Restructure class files.

Group classes by type (peak detection, partial
tracking, etc) rather than by algorithm name. This
is because Cython needs the full inheritance
hierarchy to be in the same file.

40 files changed, 28019 insertions, 999 deletions

diff --git a/setup.py b/setup.py
index 6a51f71..4e6695d 100644
--- a/setup.py
+++ b/setup.py
@@ -99,36 +99,76 @@ sndobj = Extension("simpl/_simplsndobj",
 # SMS
 # -----------------------------------------------------------------------------
 
-sms_sources = """
-    OOURA.c cepstrum.c peakContinuation.c soundIO.c tables.c
-    fileIO.c peakDetection.c spectralApprox.c transforms.c
-    filters.c residual.c spectrum.c windows.c SFMT.c fixTracks.c
-    sineSynth.c stocAnalysis.c harmDetection.c sms.c synthesis.c
-    analysis.c modify.c
-    """.split()
+# sms_sources = """
+#     OOURA.c cepstrum.c peakContinuation.c soundIO.c tables.c
+#     fileIO.c peakDetection.c spectralApprox.c transforms.c
+#     filters.c residual.c spectrum.c windows.c SFMT.c fixTracks.c
+#     sineSynth.c stocAnalysis.c harmDetection.c sms.c synthesis.c
+#     analysis.c modify.c
+#     """.split()
+
+# sms_sources = map(lambda x: 'src/sms/' + x, sms_sources)
+# sms_sources.append("simpl/sms.i")
+# sms_include_dirs = ['src/sms']
+# sms_include_dirs.extend(include_dirs)
+
+# sms = Extension("simpl/_simplsms",
+#                 sources=sms_sources,
+#                 include_dirs=sms_include_dirs,
+#                 libraries=['m', 'fftw3', 'gsl', 'gslcblas'],
+#                 extra_compile_args=['-DMERSENNE_TWISTER'])
+
+# sms = Extension("simpl.sms",
+#                 sources=["simpl/sms.pyx", "simpl/base.pyx",
+#                          "src/simpl/simplsms.cpp", "src/simpl/base.cpp"],
+#                 include_dirs=["simpl"] + simpl_include_dirs,
+#                 language="c++")
+
+# -----------------------------------------------------------------------------
+# Peak Detection
+# -----------------------------------------------------------------------------
+peak_detection = Extension(
+    "simpl.peak_detection",
+    sources=["simpl/peak_detection.pyx", "src/simpl/peak_detection.cpp",
+             "src/simpl/base.cpp"],
+    include_dirs=["simpl"] + simpl_include_dirs,
+    language="c++"
+)
 
-sms_sources = map(lambda x: 'src/sms/' + x, sms_sources)
-sms_sources.append("simpl/sms.i")
-sms_include_dirs = ['src/sms']
-sms_include_dirs.extend(include_dirs)
+# -----------------------------------------------------------------------------
+# Partial Tracking
+# -----------------------------------------------------------------------------
+partial_tracking = Extension(
+    "simpl.partial_tracking",
+    sources=["simpl/partial_tracking.pyx", "src/simpl/partial_tracking.cpp",
+             "src/simpl/base.cpp"],
+    include_dirs=["simpl"] + simpl_include_dirs,
+    language="c++"
+)
 
-sms = Extension("simpl/_simplsms",
-                sources=sms_sources,
-                include_dirs=sms_include_dirs,
-                libraries=['m', 'fftw3', 'gsl', 'gslcblas'],
-                extra_compile_args=['-DMERSENNE_TWISTER'])
 
 # -----------------------------------------------------------------------------
-# Loris
+# Synthesis
 # -----------------------------------------------------------------------------
+synthesis = Extension(
+    "simpl.synthesis",
+    sources=["simpl/synthesis.pyx", "src/simpl/synthesis.cpp",
+             "src/simpl/base.cpp"],
+    include_dirs=["simpl"] + simpl_include_dirs,
+    language="c++"
+)
 
-# simplloris_sources = ['simpl/simplloris.i']
-# simplloris_sources.extend(simpl_sources)
 
-# simplloris = Extension("simpl/_simplloris",
-#                        sources=simplloris_sources,
-#                        include_dirs=simpl_include_dirs,
-#                        swig_opts=swig_opts)
+# -----------------------------------------------------------------------------
+# Residual
+# -----------------------------------------------------------------------------
+residual = Extension(
+    "simpl.residual",
+    sources=["simpl/residual.pyx", "src/simpl/residual.cpp",
+             "src/simpl/base.cpp"],
+    include_dirs=["simpl"] + simpl_include_dirs,
+    language="c++"
+)
 
 # -----------------------------------------------------------------------------
 # Package
@@ -147,7 +187,8 @@ setup(
     author_email='j@johnglover.net',
     platforms=["Linux", "Mac OS-X", "Unix", "Windows"],
     version='0.3',
-    ext_modules=[base, sndobj, sms],
+    ext_modules=[base, peak_detection, partial_tracking,
+                 synthesis, residual, sndobj],
     cmdclass={'build_ext': build_ext},
     packages=['simpl', 'simpl.plot']
 )
diff --git a/simpl/base.i b/simpl/base.i
deleted file mode 100644
index 53efa29..0000000
--- a/simpl/base.i
+++ /dev/null
@@ -1,75 +0,0 @@
-%{
-	#include "../src/simpl/base.h"
-	#include "../src/simpl/exceptions.h"
-    #include <vector>
-	#define SWIG_FILE_WITH_INIT
-%}
-
-%include exception.i 
-%include typemaps.i 
-%include std_string.i
-%include std_vector.i
-%include std_list.i
-%include "numpy.i"
-
-%init 
-%{
-    import_array();
-%}
-
-%template(DoubleVector) std::vector<Simpl::number>;
-
-%include "../src/simpl/base.h"
-%include "../src/simpl/exceptions.h"
-
-%exception 
-{
-    try
-    {   
-        $action
-    }
-    catch(Simpl::Exception & ex) 
-    {
-        std::string s("Simpl exception: ");
-        s.append(ex.what());
-        SWIG_exception(SWIG_UnknownError, (char *) s.c_str());
-    }
-    catch(std::exception & ex) 
-    {
-        std::string s("std C++ exception: ");
-        s.append(ex.what());
-        SWIG_exception(SWIG_UnknownError, (char *) s.c_str());
-    }
-}
-
-%extend Simpl::Frame
-{
-    Simpl::samples get_audio()
-    {
-        if($self->audio())
-        {
-            /* const Simpl::samples* sp = $self->audio(); */
-            /* std::cout << sp->at(0) << std::endl; */
-
-            /* Simpl::samples s = Simpl::samples(*($self->audio())); */
-            /* return s; */
-            return Simpl::samples(512, 0.5);
-        }
-        else
-        {
-            return Simpl::samples($self->size(), 0.00);
-        }
-    }
-
-    void set_audio(const samples& new_audio)
-    {
-        $self->audio(new_audio);
-    }
-
-    %pythoncode 
-    %{
-        __swig_getmethods__["audio"] = get_audio
-        __swig_setmethods__["audio"] = set_audio
-        if _newclass: audio = property(get_audio, set_audio)
-    %}
-};
diff --git a/simpl/base.pxd b/simpl/base.pxd
new file mode 100644
index 0000000..cec5e43
--- /dev/null
+++ b/simpl/base.pxd
@@ -0,0 +1,66 @@
+import numpy as np
+cimport numpy as np
+from libcpp.vector cimport vector
+
+np.import_array()
+
+dtype = np.float64
+ctypedef np.double_t dtype_t
+
+
+cdef class Peak:
+    cdef c_Peak* thisptr
+    cdef int created
+    cdef set_peak(self, c_Peak* p)
+
+
+cdef class Frame:
+    cdef c_Frame* thisptr
+    cdef int created
+    cdef set_frame(self, c_Frame* f)
+
+
+cdef extern from "<string>" namespace "std":
+    cdef cppclass string:
+        string()
+        string(char *)
+        char * c_str()
+
+
+cdef extern from "../src/simpl/base.h" namespace "simpl":
+    cdef cppclass c_Peak "simpl::Peak":
+        c_Peak()
+        double amplitude
+        double frequency
+        double phase
+
+    cdef cppclass c_Frame "simpl::Frame":
+        c_Frame()
+        c_Frame(int frame_size)
+
+        # peaks
+        int num_peaks()
+        int max_peaks()
+        void max_peaks(int new_max_peaks)
+        void add_peak(c_Peak* peak)
+        c_Peak* peak(int peak_number)
+        void clear()
+
+        # partials
+        int num_partials()
+        int max_partials()
+        void max_partials(int new_max_partials)
+        c_Peak* partial(int partial_number)
+        void partial(int partial_number, c_Peak* peak)
+
+        # audio buffers
+        int size()
+        void size(int new_size)
+        void audio(double* new_audio)
+        double* audio()
+        void synth(double* new_synth)
+        double* synth()
+        void residual(double* new_residual)
+        double* residual()
+        void synth_residual(double* new_synth_residual)
+        double* synth_residual()
diff --git a/simpl/base.pyx b/simpl/base.pyx
index b126be1..9109bdb 100644
--- a/simpl/base.pyx
+++ b/simpl/base.pyx
@@ -2,133 +2,11 @@ import numpy as np
 cimport numpy as np
 from libcpp.vector cimport vector
 
-np.import_array()
-
-dtype = np.float64
-ctypedef np.double_t dtype_t
-
-
-cdef extern from "<string>" namespace "std":
-    cdef cppclass string:
-        string()
-        string(char *)
-        char * c_str()
-
-
-cdef extern from "../src/simpl/base.h" namespace "simpl":
-    cdef cppclass c_Peak "simpl::Peak":
-        c_Peak()
-        double amplitude
-        double frequency
-        double phase
-
-    cdef cppclass c_Frame "simpl::Frame":
-        c_Frame()
-        c_Frame(int frame_size)
-
-        # peaks
-        int num_peaks()
-        int max_peaks()
-        void max_peaks(int new_max_peaks)
-        void add_peak(c_Peak* peak)
-        c_Peak* peak(int peak_number)
-        void clear()
-
-        # partials
-        int num_partials()
-        int max_partials()
-        void max_partials(int new_max_partials)
-        c_Peak* partial(int partial_number)
-        void partial(int partial_number, c_Peak* peak)
-
-        # audio buffers
-        int size()
-        void size(int new_size)
-        void audio(double* new_audio)
-        double* audio()
-        void synth(double* new_synth)
-        double* synth()
-        void residual(double* new_residual)
-        double* residual()
-        void synth_residual(double* new_synth_residual)
-        double* synth_residual()
-
-    cdef cppclass c_PeakDetection "simpl::PeakDetection":
-        c_PeakDetection()
-
-        int sampling_rate()
-        void sampling_rate(int new_sampling_rate)
-        int frame_size()
-        void frame_size(int new_frame_size)
-        int static_frame_size()
-        void static_frame_size(int new_static_frame_size)
-        int next_frame_size()
-        int hop_size()
-        void hop_size(int new_hop_size)
-        int max_peaks()
-        void max_peaks(int new_max_peaks)
-        string window_type()
-        void window_type(string new_window_type)
-        int window_size()
-        void window_size(int new_window_size)
-        double min_peak_separation()
-        void min_peak_separation(double new_min_peak_separation)
-        int num_frames()
-        c_Frame* frame(int frame_number)
-        vector[c_Peak*] find_peaks_in_frame(c_Frame* frame)
-        vector[c_Frame*] find_peaks(int audio_size, double* audio)
-
-    cdef cppclass c_PartialTracking "simpl::PartialTracking":
-        c_PartialTracking()
-        void clear()
-        int sampling_rate()
-        void sampling_rate(int new_sampling_rate)
-        int max_partials()
-        void max_partials(int new_max_partials)
-        int min_partial_length()
-        void min_partial_length(int new_min_partial_length)
-        int max_gap()
-        void max_gap(int new_max_gap)
-        vector[c_Peak*] update_partials(c_Frame* frame)
-        vector[c_Frame*] find_partials(vector[c_Frame*] frames)
-
-    cdef cppclass c_Synthesis "simpl::Synthesis":
-        c_Synthesis()
-        int frame_size()
-        void frame_size(int new_frame_size)
-        int next_frame_size()
-        int hop_size()
-        void hop_size(int new_hop_size)
-        int sampling_rate()
-        void sampling_rate(int new_sampling_rate)
-        int max_partials()
-        void max_partials(int new_max_partials)
-        void synth_frame(c_Frame* frame)
-        vector[c_Frame*] synth(vector[c_Frame*] frames)
-
-    cdef cppclass c_Residual "simpl::Residual":
-        c_Synthesis()
-        int frame_size()
-        void frame_size(int new_frame_size)
-        int next_frame_size()
-        int hop_size()
-        void hop_size(int new_hop_size)
-        int sampling_rate()
-        void sampling_rate(int new_sampling_rate)
-        void residual_frame(int synth_size, double* synth,
-                            int original_size, double* original,
-                            int residual_size, double* residual)
-        void find_residual(int synth_size, double* synth,
-                           int original_size, double* original,
-                           int residual_size, double* residual)
-        void synth_frame(c_Frame* frame)
-        vector[c_Frame*] synth(vector[c_Frame*] frames)
+cimport base
 
+np.import_array()
 
 cdef class Peak:
-    cdef c_Peak* thisptr
-    cdef int created
-
     def __cinit__(self, create_new=True):
         if create_new:
             self.thisptr = new c_Peak()
@@ -157,9 +35,6 @@ cdef class Peak:
 
 
 cdef class Frame:
-    cdef c_Frame* thisptr
-    cdef int created
-
     def __cinit__(self, size=None, create_new=True):
         if create_new:
             if size:
@@ -268,218 +143,3 @@ cdef class Frame:
             return np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, self.thisptr.synth_residual())
         def __set__(self, np.ndarray[dtype_t, ndim=1] a):
             self.thisptr.synth_residual(<double*> a.data)
-
-
-cdef class PeakDetection:
-    cdef c_PeakDetection* thisptr
-
-    def __cinit__(self): self.thisptr = new c_PeakDetection()
-    def __dealloc__(self): del self.thisptr
-
-    property sampling_rate:
-        def __get__(self): return self.thisptr.sampling_rate()
-        def __set__(self, int i): self.thisptr.sampling_rate(i)
-
-    property frame_size:
-        def __get__(self): return self.thisptr.frame_size()
-        def __set__(self, int i): self.thisptr.frame_size(i)
-
-    property static_frame_size:
-        def __get__(self): return self.thisptr.static_frame_size()
-        def __set__(self, int i): self.thisptr.static_frame_size(i)
-
-    def next_frame_size(self):
-        return self.thisptr.next_frame_size()
-
-    property hop_size:
-        def __get__(self): return self.thisptr.hop_size()
-        def __set__(self, int i): self.thisptr.hop_size(i)
-
-    property max_peaks:
-        def __get__(self): return self.thisptr.max_peaks()
-        def __set__(self, int i): self.thisptr.max_peaks(i)
-
-    property window_type:
-        def __get__(self): return self.thisptr.window_type().c_str()
-        def __set__(self, char* s): self.thisptr.window_type(string(s))
-
-    property window_size:
-        def __get__(self): return self.thisptr.window_size()
-        def __set__(self, int i): self.thisptr.window_size(i)
-
-    property min_peak_separation:
-        def __get__(self): return self.thisptr.min_peak_separation()
-        def __set__(self, double d): self.thisptr.min_peak_separation(d)
-
-    def frame(self, int i):
-        cdef c_Frame* c_f = self.thisptr.frame(i)
-        f = Frame(None, False)
-        f.set_frame(c_f)
-        return f
-
-    property frames:
-        def __get__(self):
-            return [self.frame(i) for i in range(self.thisptr.num_frames())]
-        def __set__(self, f):
-            raise Exception("NotImplemented")
-
-    def find_peaks_in_frame(self, Frame frame not None):
-        peaks = []
-        cdef vector[c_Peak*] c_peaks = self.thisptr.find_peaks_in_frame(frame.thisptr)
-        for i in range(c_peaks.size()):
-            peak = Peak(False)
-            peak.set_peak(c_peaks[i])
-            peaks.append(peak)
-        return peaks
-
-    def find_peaks(self, np.ndarray[dtype_t, ndim=1] audio):
-        frames = []
-        cdef vector[c_Frame*] output_frames = self.thisptr.find_peaks(len(audio), <double*> audio.data)
-        for i in range(output_frames.size()):
-            f = Frame(output_frames[i].size(), False)
-            f.set_frame(output_frames[i])
-            frames.append(f)
-        return frames
-
-
-cdef class PartialTracking:
-    cdef c_PartialTracking* thisptr
-
-    def __cinit__(self): self.thisptr = new c_PartialTracking()
-    def __dealloc__(self): del self.thisptr
-
-    def clear(self):
-        self.thisptr.clear()
-
-    property sampling_rate:
-        def __get__(self): return self.thisptr.sampling_rate()
-        def __set__(self, int i): self.thisptr.sampling_rate(i)
-
-    property max_partials:
-        def __get__(self): return self.thisptr.max_partials()
-        def __set__(self, int i): self.thisptr.max_partials(i)
-
-    property min_partial_length:
-        def __get__(self): return self.thisptr.min_partial_length()
-        def __set__(self, int i): self.thisptr.min_partial_length(i)
-
-    property max_gap:
-        def __get__(self): return self.thisptr.max_gap()
-        def __set__(self, int i): self.thisptr.max_gap(i)
-
-    def update_partials(self, Frame frame not None):
-        peaks = []
-        cdef vector[c_Peak*] c_peaks = self.thisptr.update_partials(frame.thisptr)
-        for i in range(c_peaks.size()):
-            peak = Peak(False)
-            peak.set_peak(c_peaks[i])
-            peaks.append(peak)
-        return peaks
-
-    def find_partials(self, frames):
-        partial_frames = []
-        cdef vector[c_Frame*] c_frames
-        for frame in frames:
-            c_frames.push_back((<Frame>frame).thisptr)
-        cdef vector[c_Frame*] output_frames = self.thisptr.find_partials(c_frames)
-        for i in range(output_frames.size()):
-            f = Frame(output_frames[i].size(), False)
-            f.set_frame(output_frames[i])
-            partial_frames.append(f)
-        return partial_frames
-
-
-cdef class Synthesis:
-    cdef c_Synthesis* thisptr
-
-    def __cinit__(self): self.thisptr = new c_Synthesis()
-    def __dealloc__(self): del self.thisptr
-
-    property sampling_rate:
-        def __get__(self): return self.thisptr.sampling_rate()
-        def __set__(self, int i): self.thisptr.sampling_rate(i)
-
-    property frame_size:
-        def __get__(self): return self.thisptr.frame_size()
-        def __set__(self, int i): self.thisptr.frame_size(i)
-
-    property hop_size:
-        def __get__(self): return self.thisptr.hop_size()
-        def __set__(self, int i): self.thisptr.hop_size(i)
-
-    property max_partials:
-        def __get__(self): return self.thisptr.max_partials()
-        def __set__(self, int i): self.thisptr.max_partials(i)
-
-    def synth_frame(self, Frame frame not None):
-        self.thisptr.synth_frame(frame.thisptr)
-        return frame.audio
-
-    def synth(self, frames):
-        cdef vector[c_Frame*] c_frames
-        for frame in frames:
-            c_frames.push_back((<Frame>frame).thisptr)
-        cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
-        cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
-            output_frames.size() * self.thisptr.hop_size()
-        )
-        cdef np.npy_intp shape[1]
-        shape[0] = <np.npy_intp> self.thisptr.hop_size()
-        for i in range(output_frames.size()):
-            frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
-            output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
-        return output
-
-
-cdef class Residual:
-    cdef c_Residual* thisptr
-
-    def __cinit__(self): self.thisptr = new c_Residual()
-    def __dealloc__(self): del self.thisptr
-
-    property sampling_rate:
-        def __get__(self): return self.thisptr.sampling_rate()
-        def __set__(self, int i): self.thisptr.sampling_rate(i)
-
-    property frame_size:
-        def __get__(self): return self.thisptr.frame_size()
-        def __set__(self, int i): self.thisptr.frame_size(i)
-
-    property hop_size:
-        def __get__(self): return self.thisptr.hop_size()
-        def __set__(self, int i): self.thisptr.hop_size(i)
-
-    def residual_frame(self, np.ndarray[dtype_t, ndim=1] synth,
-                       np.ndarray[dtype_t, ndim=1] original):
-        cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
-        self.thisptr.residual_frame(len(synth), <double*> synth.data,
-                                    len(original), <double*> original.data,
-                                    len(residual), <double*> residual.data)
-        return residual
-
-    def find_residual(self, np.ndarray[dtype_t, ndim=1] synth,
-                      np.ndarray[dtype_t, ndim=1] original):
-        cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
-        self.thisptr.find_residual(len(synth), <double*> synth.data,
-                                   len(original), <double*> original.data,
-                                   len(residual), <double*> residual.data)
-        return residual
-
-    def synth_frame(self, Frame frame not None):
-        self.thisptr.synth_frame(frame.thisptr)
-        return frame.audio
-
-    def synth(self, frames):
-        cdef vector[c_Frame*] c_frames
-        for frame in frames:
-            c_frames.push_back((<Frame>frame).thisptr)
-        cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
-        cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
-            output_frames.size() * self.thisptr.hop_size()
-        )
-        cdef np.npy_intp shape[1]
-        shape[0] = <np.npy_intp> self.thisptr.hop_size()
-        for i in range(output_frames.size()):
-            frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
-            output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
-        return output
diff --git a/simpl/partial_tracking.cpp b/simpl/partial_tracking.cpp
new file mode 100644
index 0000000..6db90d2
--- /dev/null
+++ b/simpl/partial_tracking.cpp
@@ -0,0 +1,5728 @@
+/* Generated by Cython 0.16 on Sat Jun 30 10:29:20 2012 */
+
+#define PY_SSIZE_T_CLEAN
+#include "Python.h"
+#ifndef Py_PYTHON_H
+    #error Python headers needed to compile C extensions, please install development version of Python.
+#elif PY_VERSION_HEX < 0x02040000
+    #error Cython requires Python 2.4+.
+#else
+#include <stddef.h> /* For offsetof */
+#ifndef offsetof
+#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
+#endif
+
+#if !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+  #ifndef __fastcall
+    #define __fastcall
+  #endif
+#endif
+
+#ifndef DL_IMPORT
+  #define DL_IMPORT(t) t
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+
+#ifndef Py_HUGE_VAL
+  #define Py_HUGE_VAL HUGE_VAL
+#endif
+
+#ifdef PYPY_VERSION
+#define CYTHON_COMPILING_IN_PYPY 1
+#define CYTHON_COMPILING_IN_CPYTHON 0
+#else
+#define CYTHON_COMPILING_IN_PYPY 0
+#define CYTHON_COMPILING_IN_CPYTHON 1
+#endif
+
+#if CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyCFunction_Call PyObject_Call
+#else
+  #define __Pyx_PyCFunction_Call PyCFunction_Call
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  typedef int Py_ssize_t;
+  #define PY_SSIZE_T_MAX INT_MAX
+  #define PY_SSIZE_T_MIN INT_MIN
+  #define PY_FORMAT_SIZE_T ""
+  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
+  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
+  #define PyNumber_Index(o)    PyNumber_Int(o)
+  #define PyIndex_Check(o)     PyNumber_Check(o)
+  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
+  #define __PYX_BUILD_PY_SSIZE_T "i"
+#else
+  #define __PYX_BUILD_PY_SSIZE_T "n"
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
+  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
+  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
+  #define PyVarObject_HEAD_INIT(type, size) \
+          PyObject_HEAD_INIT(type) size,
+  #define PyType_Modified(t)
+
+  typedef struct {
+     void *buf;
+     PyObject *obj;
+     Py_ssize_t len;
+     Py_ssize_t itemsize;
+     int readonly;
+     int ndim;
+     char *format;
+     Py_ssize_t *shape;
+     Py_ssize_t *strides;
+     Py_ssize_t *suboffsets;
+     void *internal;
+  } Py_buffer;
+
+  #define PyBUF_SIMPLE 0
+  #define PyBUF_WRITABLE 0x0001
+  #define PyBUF_FORMAT 0x0004
+  #define PyBUF_ND 0x0008
+  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
+  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
+  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
+  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
+  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
+  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
+  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
+
+  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
+  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
+#endif
+
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#else
+  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#endif
+
+#if PY_MAJOR_VERSION < 3 && PY_MINOR_VERSION < 6
+  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define Py_TPFLAGS_CHECKTYPES 0
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+
+#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
+  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
+#endif
+
+
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_GET_LENGTH)
+  #define CYTHON_PEP393_ENABLED 1
+  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+#else
+  #define CYTHON_PEP393_ENABLED 0
+  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBaseString_Type            PyUnicode_Type
+  #define PyStringObject               PyUnicodeObject
+  #define PyString_Type                PyUnicode_Type
+  #define PyString_Check               PyUnicode_Check
+  #define PyString_CheckExact          PyUnicode_CheckExact
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PyBytesObject                PyStringObject
+  #define PyBytes_Type                 PyString_Type
+  #define PyBytes_Check                PyString_Check
+  #define PyBytes_CheckExact           PyString_CheckExact
+  #define PyBytes_FromString           PyString_FromString
+  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
+  #define PyBytes_FromFormat           PyString_FromFormat
+  #define PyBytes_DecodeEscape         PyString_DecodeEscape
+  #define PyBytes_AsString             PyString_AsString
+  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
+  #define PyBytes_Size                 PyString_Size
+  #define PyBytes_AS_STRING            PyString_AS_STRING
+  #define PyBytes_GET_SIZE             PyString_GET_SIZE
+  #define PyBytes_Repr                 PyString_Repr
+  #define PyBytes_Concat               PyString_Concat
+  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
+  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
+#endif
+
+#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyIntObject                  PyLongObject
+  #define PyInt_Type                   PyLong_Type
+  #define PyInt_Check(op)              PyLong_Check(op)
+  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define PyInt_FromString             PyLong_FromString
+  #define PyInt_FromUnicode            PyLong_FromUnicode
+  #define PyInt_FromLong               PyLong_FromLong
+  #define PyInt_FromSize_t             PyLong_FromSize_t
+  #define PyInt_FromSsize_t            PyLong_FromSsize_t
+  #define PyInt_AsLong                 PyLong_AsLong
+  #define PyInt_AS_LONG                PyLong_AS_LONG
+  #define PyInt_AsSsize_t              PyLong_AsSsize_t
+  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
+  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBoolObject                 PyLongObject
+#endif
+
+#if PY_VERSION_HEX < 0x03020000
+  typedef long Py_hash_t;
+  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+#else
+  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
+#endif
+
+#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
+  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
+  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
+#else
+  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
+  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
+#else
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_NAMESTR(n) ((char *)(n))
+  #define __Pyx_DOCSTR(n)  ((char *)(n))
+#else
+  #define __Pyx_NAMESTR(n) (n)
+  #define __Pyx_DOCSTR(n)  (n)
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
+#else
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
+#endif
+
+#ifndef __PYX_EXTERN_C
+  #ifdef __cplusplus
+    #define __PYX_EXTERN_C extern "C"
+  #else
+    #define __PYX_EXTERN_C extern
+  #endif
+#endif
+
+#if defined(WIN32) || defined(MS_WINDOWS)
+#define _USE_MATH_DEFINES
+#endif
+#include <math.h>
+#define __PYX_HAVE__simpl__partial_tracking
+#define __PYX_HAVE_API__simpl__partial_tracking
+#include "stdio.h"
+#include "stdlib.h"
+#include "numpy/arrayobject.h"
+#include "numpy/ufuncobject.h"
+#include <vector>
+#include <string>
+#include "../src/simpl/base.h"
+#include "../src/simpl/partial_tracking.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif /* _OPENMP */
+
+#ifdef PYREX_WITHOUT_ASSERTIONS
+#define CYTHON_WITHOUT_ASSERTIONS
+#endif
+
+
+/* inline attribute */
+#ifndef CYTHON_INLINE
+  #if defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+
+/* unused attribute */
+#ifndef CYTHON_UNUSED
+# if defined(__GNUC__)
+#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#     define CYTHON_UNUSED __attribute__ ((__unused__))
+#   else
+#     define CYTHON_UNUSED
+#   endif
+# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
+#   define CYTHON_UNUSED __attribute__ ((__unused__))
+# else
+#   define CYTHON_UNUSED
+# endif
+#endif
+
+typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
+
+
+/* Type Conversion Predeclarations */
+
+#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s)
+#define __Pyx_PyBytes_AsUString(s)   ((unsigned char*) PyBytes_AsString(s))
+
+#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
+#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
+
+#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
+
+#ifdef __GNUC__
+  /* Test for GCC > 2.95 */
+  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
+    #define likely(x)   __builtin_expect(!!(x), 1)
+    #define unlikely(x) __builtin_expect(!!(x), 0)
+  #else /* __GNUC__ > 2 ... */
+    #define likely(x)   (x)
+    #define unlikely(x) (x)
+  #endif /* __GNUC__ > 2 ... */
+#else /* __GNUC__ */
+  #define likely(x)   (x)
+  #define unlikely(x) (x)
+#endif /* __GNUC__ */
+    
+static PyObject *__pyx_m;
+static PyObject *__pyx_b;
+static PyObject *__pyx_empty_tuple;
+static PyObject *__pyx_empty_bytes;
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * __pyx_cfilenm= __FILE__;
+static const char *__pyx_filename;
+
+#if !defined(CYTHON_CCOMPLEX)
+  #if defined(__cplusplus)
+    #define CYTHON_CCOMPLEX 1
+  #elif defined(_Complex_I)
+    #define CYTHON_CCOMPLEX 1
+  #else
+    #define CYTHON_CCOMPLEX 0
+  #endif
+#endif
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    #include <complex>
+  #else
+    #include <complex.h>
+  #endif
+#endif
+#if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
+  #undef _Complex_I
+  #define _Complex_I 1.0fj
+#endif
+
+
+static const char *__pyx_f[] = {
+  "partial_tracking.pyx",
+  "numpy.pxd",
+  "base.pxd",
+};
+
+/* "numpy.pxd":722
+ * # in Cython to enable them only on the right systems.
+ * 
+ * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t
+ */
+typedef npy_int8 __pyx_t_5numpy_int8_t;
+
+/* "numpy.pxd":723
+ * 
+ * ctypedef npy_int8       int8_t
+ * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int32      int32_t
+ * ctypedef npy_int64      int64_t
+ */
+typedef npy_int16 __pyx_t_5numpy_int16_t;
+
+/* "numpy.pxd":724
+ * ctypedef npy_int8       int8_t
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int64      int64_t
+ * #ctypedef npy_int96      int96_t
+ */
+typedef npy_int32 __pyx_t_5numpy_int32_t;
+
+/* "numpy.pxd":725
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t
+ * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_int96      int96_t
+ * #ctypedef npy_int128     int128_t
+ */
+typedef npy_int64 __pyx_t_5numpy_int64_t;
+
+/* "numpy.pxd":729
+ * #ctypedef npy_int128     int128_t
+ * 
+ * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t
+ */
+typedef npy_uint8 __pyx_t_5numpy_uint8_t;
+
+/* "numpy.pxd":730
+ * 
+ * ctypedef npy_uint8      uint8_t
+ * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint32     uint32_t
+ * ctypedef npy_uint64     uint64_t
+ */
+typedef npy_uint16 __pyx_t_5numpy_uint16_t;
+
+/* "numpy.pxd":731
+ * ctypedef npy_uint8      uint8_t
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint64     uint64_t
+ * #ctypedef npy_uint96     uint96_t
+ */
+typedef npy_uint32 __pyx_t_5numpy_uint32_t;
+
+/* "numpy.pxd":732
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t
+ * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_uint96     uint96_t
+ * #ctypedef npy_uint128    uint128_t
+ */
+typedef npy_uint64 __pyx_t_5numpy_uint64_t;
+
+/* "numpy.pxd":736
+ * #ctypedef npy_uint128    uint128_t
+ * 
+ * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_float64    float64_t
+ * #ctypedef npy_float80    float80_t
+ */
+typedef npy_float32 __pyx_t_5numpy_float32_t;
+
+/* "numpy.pxd":737
+ * 
+ * ctypedef npy_float32    float32_t
+ * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_float80    float80_t
+ * #ctypedef npy_float128   float128_t
+ */
+typedef npy_float64 __pyx_t_5numpy_float64_t;
+
+/* "numpy.pxd":746
+ * # The int types are mapped a bit surprising --
+ * # numpy.int corresponds to 'l' and numpy.long to 'q'
+ * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longlong   long_t
+ * ctypedef npy_longlong   longlong_t
+ */
+typedef npy_long __pyx_t_5numpy_int_t;
+
+/* "numpy.pxd":747
+ * # numpy.int corresponds to 'l' and numpy.long to 'q'
+ * ctypedef npy_long       int_t
+ * ctypedef npy_longlong   long_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longlong   longlong_t
+ * 
+ */
+typedef npy_longlong __pyx_t_5numpy_long_t;
+
+/* "numpy.pxd":748
+ * ctypedef npy_long       int_t
+ * ctypedef npy_longlong   long_t
+ * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_ulong      uint_t
+ */
+typedef npy_longlong __pyx_t_5numpy_longlong_t;
+
+/* "numpy.pxd":750
+ * ctypedef npy_longlong   longlong_t
+ * 
+ * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_ulonglong  ulong_t
+ * ctypedef npy_ulonglong  ulonglong_t
+ */
+typedef npy_ulong __pyx_t_5numpy_uint_t;
+
+/* "numpy.pxd":751
+ * 
+ * ctypedef npy_ulong      uint_t
+ * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_ulonglong  ulonglong_t
+ * 
+ */
+typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
+
+/* "numpy.pxd":752
+ * ctypedef npy_ulong      uint_t
+ * ctypedef npy_ulonglong  ulong_t
+ * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_intp       intp_t
+ */
+typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;
+
+/* "numpy.pxd":754
+ * ctypedef npy_ulonglong  ulonglong_t
+ * 
+ * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uintp      uintp_t
+ * 
+ */
+typedef npy_intp __pyx_t_5numpy_intp_t;
+
+/* "numpy.pxd":755
+ * 
+ * ctypedef npy_intp       intp_t
+ * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_double     float_t
+ */
+typedef npy_uintp __pyx_t_5numpy_uintp_t;
+
+/* "numpy.pxd":757
+ * ctypedef npy_uintp      uintp_t
+ * 
+ * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_double     double_t
+ * ctypedef npy_longdouble longdouble_t
+ */
+typedef npy_double __pyx_t_5numpy_float_t;
+
+/* "numpy.pxd":758
+ * 
+ * ctypedef npy_double     float_t
+ * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longdouble longdouble_t
+ * 
+ */
+typedef npy_double __pyx_t_5numpy_double_t;
+
+/* "numpy.pxd":759
+ * ctypedef npy_double     float_t
+ * ctypedef npy_double     double_t
+ * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_cfloat      cfloat_t
+ */
+typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
+
+/* "base.pxd":8
+ * 
+ * dtype = np.float64
+ * ctypedef np.double_t dtype_t             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+typedef __pyx_t_5numpy_double_t __pyx_t_5simpl_4base_dtype_t;
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    typedef ::std::complex< float > __pyx_t_float_complex;
+  #else
+    typedef float _Complex __pyx_t_float_complex;
+  #endif
+#else
+    typedef struct { float real, imag; } __pyx_t_float_complex;
+#endif
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    typedef ::std::complex< double > __pyx_t_double_complex;
+  #else
+    typedef double _Complex __pyx_t_double_complex;
+  #endif
+#else
+    typedef struct { double real, imag; } __pyx_t_double_complex;
+#endif
+
+
+/*--- Type declarations ---*/
+struct __pyx_obj_5simpl_16partial_tracking_PartialTracking;
+struct __pyx_obj_5simpl_4base_Frame;
+struct __pyx_obj_5simpl_4base_Peak;
+
+/* "numpy.pxd":761
+ * ctypedef npy_longdouble longdouble_t
+ * 
+ * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_cdouble     cdouble_t
+ * ctypedef npy_clongdouble clongdouble_t
+ */
+typedef npy_cfloat __pyx_t_5numpy_cfloat_t;
+
+/* "numpy.pxd":762
+ * 
+ * ctypedef npy_cfloat      cfloat_t
+ * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_clongdouble clongdouble_t
+ * 
+ */
+typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
+
+/* "numpy.pxd":763
+ * ctypedef npy_cfloat      cfloat_t
+ * ctypedef npy_cdouble     cdouble_t
+ * ctypedef npy_clongdouble clongdouble_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_cdouble     complex_t
+ */
+typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
+
+/* "numpy.pxd":765
+ * ctypedef npy_clongdouble clongdouble_t
+ * 
+ * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):
+ */
+typedef npy_cdouble __pyx_t_5numpy_complex_t;
+
+/* "simpl/partial_tracking.pyx":12
+ * 
+ * 
+ * cdef class PartialTracking:             # <<<<<<<<<<<<<<
+ *     cdef c_PartialTracking* thisptr
+ * 
+ */
+struct __pyx_obj_5simpl_16partial_tracking_PartialTracking {
+  PyObject_HEAD
+  simpl::PartialTracking *thisptr;
+};
+
+
+/* "base.pxd":17
+ * 
+ * 
+ * cdef class Frame:             # <<<<<<<<<<<<<<
+ *     cdef c_Frame* thisptr
+ *     cdef int created
+ */
+struct __pyx_obj_5simpl_4base_Frame {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5simpl_4base_Frame *__pyx_vtab;
+  simpl::Frame *thisptr;
+  int created;
+};
+
+
+/* "base.pxd":11
+ * 
+ * 
+ * cdef class Peak:             # <<<<<<<<<<<<<<
+ *     cdef c_Peak* thisptr
+ *     cdef int created
+ */
+struct __pyx_obj_5simpl_4base_Peak {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5simpl_4base_Peak *__pyx_vtab;
+  simpl::Peak *thisptr;
+  int created;
+};
+
+
+
+struct __pyx_vtabstruct_5simpl_4base_Peak {
+  PyObject *(*set_peak)(struct __pyx_obj_5simpl_4base_Peak *, simpl::Peak *);
+};
+static struct __pyx_vtabstruct_5simpl_4base_Peak *__pyx_vtabptr_5simpl_4base_Peak;
+
+
+/* "base.pxd":17
+ * 
+ * 
+ * cdef class Frame:             # <<<<<<<<<<<<<<
+ *     cdef c_Frame* thisptr
+ *     cdef int created
+ */
+
+struct __pyx_vtabstruct_5simpl_4base_Frame {
+  PyObject *(*set_frame)(struct __pyx_obj_5simpl_4base_Frame *, simpl::Frame *);
+};
+static struct __pyx_vtabstruct_5simpl_4base_Frame *__pyx_vtabptr_5simpl_4base_Frame;
+#ifndef CYTHON_REFNANNY
+  #define CYTHON_REFNANNY 0
+#endif
+#if CYTHON_REFNANNY
+  typedef struct {
+    void (*INCREF)(void*, PyObject*, int);
+    void (*DECREF)(void*, PyObject*, int);
+    void (*GOTREF)(void*, PyObject*, int);
+    void (*GIVEREF)(void*, PyObject*, int);
+    void* (*SetupContext)(const char*, int, const char*);
+    void (*FinishContext)(void**);
+  } __Pyx_RefNannyAPIStruct;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); /*proto*/
+  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
+#ifdef WITH_THREAD
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          if (acquire_gil) { \
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure(); \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+              PyGILState_Release(__pyx_gilstate_save); \
+          } else { \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+          }
+#else
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
+#endif
+  #define __Pyx_RefNannyFinishContext() \
+          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
+#else
+  #define __Pyx_RefNannyDeclarations
+  #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContext()
+  #define __Pyx_INCREF(r) Py_INCREF(r)
+  #define __Pyx_DECREF(r) Py_DECREF(r)
+  #define __Pyx_GOTREF(r)
+  #define __Pyx_GIVEREF(r)
+  #define __Pyx_XINCREF(r) Py_XINCREF(r)
+  #define __Pyx_XDECREF(r) Py_XDECREF(r)
+  #define __Pyx_XGOTREF(r)
+  #define __Pyx_XGIVEREF(r)
+#endif /* CYTHON_REFNANNY */
+#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
+#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name); /*proto*/
+
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact); /*proto*/
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
+
+static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level); /*proto*/
+
+static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name);
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    #define __Pyx_CREAL(z) ((z).real())
+    #define __Pyx_CIMAG(z) ((z).imag())
+  #else
+    #define __Pyx_CREAL(z) (__real__(z))
+    #define __Pyx_CIMAG(z) (__imag__(z))
+  #endif
+#else
+    #define __Pyx_CREAL(z) ((z).real)
+    #define __Pyx_CIMAG(z) ((z).imag)
+#endif
+#if defined(_WIN32) && defined(__cplusplus) && CYTHON_CCOMPLEX
+    #define __Pyx_SET_CREAL(z,x) ((z).real(x))
+    #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
+#else
+    #define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
+    #define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
+#endif
+
+static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
+
+#if CYTHON_CCOMPLEX
+    #define __Pyx_c_eqf(a, b)   ((a)==(b))
+    #define __Pyx_c_sumf(a, b)  ((a)+(b))
+    #define __Pyx_c_difff(a, b) ((a)-(b))
+    #define __Pyx_c_prodf(a, b) ((a)*(b))
+    #define __Pyx_c_quotf(a, b) ((a)/(b))
+    #define __Pyx_c_negf(a)     (-(a))
+  #ifdef __cplusplus
+    #define __Pyx_c_is_zerof(z) ((z)==(float)0)
+    #define __Pyx_c_conjf(z)    (::std::conj(z))
+    #if 1
+        #define __Pyx_c_absf(z)     (::std::abs(z))
+        #define __Pyx_c_powf(a, b)  (::std::pow(a, b))
+    #endif
+  #else
+    #define __Pyx_c_is_zerof(z) ((z)==0)
+    #define __Pyx_c_conjf(z)    (conjf(z))
+    #if 1
+        #define __Pyx_c_absf(z)     (cabsf(z))
+        #define __Pyx_c_powf(a, b)  (cpowf(a, b))
+    #endif
+ #endif
+#else
+    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex);
+    #if 1
+        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex);
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex, __pyx_t_float_complex);
+    #endif
+#endif
+
+static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
+
+#if CYTHON_CCOMPLEX
+    #define __Pyx_c_eq(a, b)   ((a)==(b))
+    #define __Pyx_c_sum(a, b)  ((a)+(b))
+    #define __Pyx_c_diff(a, b) ((a)-(b))
+    #define __Pyx_c_prod(a, b) ((a)*(b))
+    #define __Pyx_c_quot(a, b) ((a)/(b))
+    #define __Pyx_c_neg(a)     (-(a))
+  #ifdef __cplusplus
+    #define __Pyx_c_is_zero(z) ((z)==(double)0)
+    #define __Pyx_c_conj(z)    (::std::conj(z))
+    #if 1
+        #define __Pyx_c_abs(z)     (::std::abs(z))
+        #define __Pyx_c_pow(a, b)  (::std::pow(a, b))
+    #endif
+  #else
+    #define __Pyx_c_is_zero(z) ((z)==0)
+    #define __Pyx_c_conj(z)    (conj(z))
+    #if 1
+        #define __Pyx_c_abs(z)     (cabs(z))
+        #define __Pyx_c_pow(a, b)  (cpow(a, b))
+    #endif
+ #endif
+#else
+    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex);
+    #if 1
+        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex);
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex, __pyx_t_double_complex);
+    #endif
+#endif
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);
+
+static int __Pyx_check_binary_version(void);
+
+#if !defined(__Pyx_PyIdentifier_FromString)
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
+#else
+  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
+#endif
+#endif
+
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);  /*proto*/
+
+static PyObject *__Pyx_ImportModule(const char *name); /*proto*/
+
+static void* __Pyx_GetVtable(PyObject *dict); /*proto*/
+
+typedef struct {
+    int code_line;
+    PyCodeObject* code_object;
+} __Pyx_CodeObjectCacheEntry;
+struct __Pyx_CodeObjectCache {
+    int count;
+    int max_count;
+    __Pyx_CodeObjectCacheEntry* entries;
+};
+static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
+static PyCodeObject *__pyx_find_code_object(int code_line);
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename); /*proto*/
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
+
+
+/* Module declarations from 'cpython.buffer' */
+
+/* Module declarations from 'cpython.ref' */
+
+/* Module declarations from 'libc.stdio' */
+
+/* Module declarations from 'cpython.object' */
+
+/* Module declarations from 'libc.stdlib' */
+
+/* Module declarations from 'numpy' */
+
+/* Module declarations from 'numpy' */
+static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
+static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
+static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
+static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
+static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
+static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/
+
+/* Module declarations from 'libcpp.vector' */
+
+/* Module declarations from 'simpl.base' */
+static PyTypeObject *__pyx_ptype_5simpl_4base_Peak = 0;
+static PyTypeObject *__pyx_ptype_5simpl_4base_Frame = 0;
+
+/* Module declarations from 'simpl.partial_tracking' */
+static PyTypeObject *__pyx_ptype_5simpl_16partial_tracking_PartialTracking = 0;
+#define __Pyx_MODULE_NAME "simpl.partial_tracking"
+int __pyx_module_is_main_simpl__partial_tracking = 0;
+
+/* Implementation of 'simpl.partial_tracking' */
+static PyObject *__pyx_builtin_range;
+static PyObject *__pyx_builtin_ValueError;
+static PyObject *__pyx_builtin_RuntimeError;
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking___cinit__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self); /* proto */
+static void __pyx_pf_5simpl_16partial_tracking_15PartialTracking_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_4clear(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_13sampling_rate___get__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_2__set__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_12max_partials___get__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking_12max_partials_2__set__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_18min_partial_length___get__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_2__set__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_7max_gap___get__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking_7max_gap_2__set__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_6update_partials(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, struct __pyx_obj_5simpl_4base_Frame *__pyx_v_frame); /* proto */
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_8find_partials(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, PyObject *__pyx_v_frames); /* proto */
+static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
+static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
+static char __pyx_k_1[] = "ndarray is not C contiguous";
+static char __pyx_k_3[] = "ndarray is not Fortran contiguous";
+static char __pyx_k_5[] = "Non-native byte order not supported";
+static char __pyx_k_7[] = "unknown dtype code in numpy.pxd (%d)";
+static char __pyx_k_8[] = "Format string allocated too short, see comment in numpy.pxd";
+static char __pyx_k_11[] = "Format string allocated too short.";
+static char __pyx_k__B[] = "B";
+static char __pyx_k__H[] = "H";
+static char __pyx_k__I[] = "I";
+static char __pyx_k__L[] = "L";
+static char __pyx_k__O[] = "O";
+static char __pyx_k__Q[] = "Q";
+static char __pyx_k__b[] = "b";
+static char __pyx_k__d[] = "d";
+static char __pyx_k__f[] = "f";
+static char __pyx_k__g[] = "g";
+static char __pyx_k__h[] = "h";
+static char __pyx_k__i[] = "i";
+static char __pyx_k__l[] = "l";
+static char __pyx_k__q[] = "q";
+static char __pyx_k__Zd[] = "Zd";
+static char __pyx_k__Zf[] = "Zf";
+static char __pyx_k__Zg[] = "Zg";
+static char __pyx_k__np[] = "np";
+static char __pyx_k__numpy[] = "numpy";
+static char __pyx_k__range[] = "range";
+static char __pyx_k____main__[] = "__main__";
+static char __pyx_k____test__[] = "__test__";
+static char __pyx_k__ValueError[] = "ValueError";
+static char __pyx_k__RuntimeError[] = "RuntimeError";
+static PyObject *__pyx_kp_u_1;
+static PyObject *__pyx_kp_u_11;
+static PyObject *__pyx_kp_u_3;
+static PyObject *__pyx_kp_u_5;
+static PyObject *__pyx_kp_u_7;
+static PyObject *__pyx_kp_u_8;
+static PyObject *__pyx_n_s__RuntimeError;
+static PyObject *__pyx_n_s__ValueError;
+static PyObject *__pyx_n_s____main__;
+static PyObject *__pyx_n_s____test__;
+static PyObject *__pyx_n_s__np;
+static PyObject *__pyx_n_s__numpy;
+static PyObject *__pyx_n_s__range;
+static PyObject *__pyx_int_15;
+static PyObject *__pyx_k_tuple_2;
+static PyObject *__pyx_k_tuple_4;
+static PyObject *__pyx_k_tuple_6;
+static PyObject *__pyx_k_tuple_9;
+static PyObject *__pyx_k_tuple_10;
+static PyObject *__pyx_k_tuple_12;
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
+  if (unlikely(PyTuple_GET_SIZE(__pyx_args) > 0)) {
+    __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 0, 0, PyTuple_GET_SIZE(__pyx_args)); return -1;}
+  if (unlikely(__pyx_kwds) && unlikely(PyDict_Size(__pyx_kwds) > 0) && unlikely(!__Pyx_CheckKeywordStrings(__pyx_kwds, "__cinit__", 0))) return -1;
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking___cinit__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":15
+ *     cdef c_PartialTracking* thisptr
+ * 
+ *     def __cinit__(self): self.thisptr = new c_PartialTracking()             # <<<<<<<<<<<<<<
+ *     def __dealloc__(self): del self.thisptr
+ * 
+ */
+
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking___cinit__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__", 0);
+  __pyx_v_self->thisptr = new simpl::PartialTracking();
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5simpl_16partial_tracking_15PartialTracking_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_5simpl_16partial_tracking_15PartialTracking_3__dealloc__(PyObject *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
+  __pyx_pf_5simpl_16partial_tracking_15PartialTracking_2__dealloc__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "simpl/partial_tracking.pyx":16
+ * 
+ *     def __cinit__(self): self.thisptr = new c_PartialTracking()
+ *     def __dealloc__(self): del self.thisptr             # <<<<<<<<<<<<<<
+ * 
+ *     def clear(self):
+ */
+
+static void __pyx_pf_5simpl_16partial_tracking_15PartialTracking_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__dealloc__", 0);
+  delete __pyx_v_self->thisptr;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_5clear(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_5clear(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("clear (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_4clear(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":18
+ *     def __dealloc__(self): del self.thisptr
+ * 
+ *     def clear(self):             # <<<<<<<<<<<<<<
+ *         self.thisptr.clear()
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_4clear(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("clear", 0);
+
+  /* "simpl/partial_tracking.pyx":19
+ * 
+ *     def clear(self):
+ *         self.thisptr.clear()             # <<<<<<<<<<<<<<
+ * 
+ *     property sampling_rate:
+ */
+  __pyx_v_self->thisptr->clear();
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_13sampling_rate___get__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":22
+ * 
+ *     property sampling_rate:
+ *         def __get__(self): return self.thisptr.sampling_rate()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.sampling_rate(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_13sampling_rate___get__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->sampling_rate()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.sampling_rate.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.sampling_rate.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_2__set__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":23
+ *     property sampling_rate:
+ *         def __get__(self): return self.thisptr.sampling_rate()
+ *         def __set__(self, int i): self.thisptr.sampling_rate(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property max_partials:
+ */
+
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_2__set__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->sampling_rate(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_12max_partials_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_12max_partials_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_12max_partials___get__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":26
+ * 
+ *     property max_partials:
+ *         def __get__(self): return self.thisptr.max_partials()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.max_partials(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_12max_partials___get__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->max_partials()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.max_partials.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_12max_partials_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_12max_partials_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.max_partials.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_12max_partials_2__set__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":27
+ *     property max_partials:
+ *         def __get__(self): return self.thisptr.max_partials()
+ *         def __set__(self, int i): self.thisptr.max_partials(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property min_partial_length:
+ */
+
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking_12max_partials_2__set__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->max_partials(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_18min_partial_length___get__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":30
+ * 
+ *     property min_partial_length:
+ *         def __get__(self): return self.thisptr.min_partial_length()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.min_partial_length(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_18min_partial_length___get__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->min_partial_length()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.min_partial_length.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.min_partial_length.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_2__set__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":31
+ *     property min_partial_length:
+ *         def __get__(self): return self.thisptr.min_partial_length()
+ *         def __set__(self, int i): self.thisptr.min_partial_length(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property max_gap:
+ */
+
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_2__set__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->min_partial_length(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_7max_gap_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_7max_gap_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_7max_gap___get__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":34
+ * 
+ *     property max_gap:
+ *         def __get__(self): return self.thisptr.max_gap()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.max_gap(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_7max_gap___get__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->max_gap()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 34; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.max_gap.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_7max_gap_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_16partial_tracking_15PartialTracking_7max_gap_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.max_gap.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_7max_gap_2__set__(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":35
+ *     property max_gap:
+ *         def __get__(self): return self.thisptr.max_gap()
+ *         def __set__(self, int i): self.thisptr.max_gap(i)             # <<<<<<<<<<<<<<
+ * 
+ *     def update_partials(self, Frame frame not None):
+ */
+
+static int __pyx_pf_5simpl_16partial_tracking_15PartialTracking_7max_gap_2__set__(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->max_gap(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_7update_partials(PyObject *__pyx_v_self, PyObject *__pyx_v_frame); /*proto*/
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_7update_partials(PyObject *__pyx_v_self, PyObject *__pyx_v_frame) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("update_partials (wrapper)", 0);
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_frame), __pyx_ptype_5simpl_4base_Frame, 0, "frame", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_6update_partials(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self), ((struct __pyx_obj_5simpl_4base_Frame *)__pyx_v_frame));
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":37
+ *         def __set__(self, int i): self.thisptr.max_gap(i)
+ * 
+ *     def update_partials(self, Frame frame not None):             # <<<<<<<<<<<<<<
+ *         peaks = []
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.update_partials(frame.thisptr)
+ */
+
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_6update_partials(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, struct __pyx_obj_5simpl_4base_Frame *__pyx_v_frame) {
+  PyObject *__pyx_v_peaks = NULL;
+  std::vector<simpl::Peak *> __pyx_v_c_peaks;
+  size_t __pyx_v_i;
+  struct __pyx_obj_5simpl_4base_Peak *__pyx_v_peak = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  size_t __pyx_t_2;
+  size_t __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("update_partials", 0);
+
+  /* "simpl/partial_tracking.pyx":38
+ * 
+ *     def update_partials(self, Frame frame not None):
+ *         peaks = []             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.update_partials(frame.thisptr)
+ *         for i in range(c_peaks.size()):
+ */
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_v_peaks = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "simpl/partial_tracking.pyx":39
+ *     def update_partials(self, Frame frame not None):
+ *         peaks = []
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.update_partials(frame.thisptr)             # <<<<<<<<<<<<<<
+ *         for i in range(c_peaks.size()):
+ *             peak = Peak(False)
+ */
+  __pyx_v_c_peaks = __pyx_v_self->thisptr->update_partials(__pyx_v_frame->thisptr);
+
+  /* "simpl/partial_tracking.pyx":40
+ *         peaks = []
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.update_partials(frame.thisptr)
+ *         for i in range(c_peaks.size()):             # <<<<<<<<<<<<<<
+ *             peak = Peak(False)
+ *             peak.set_peak(c_peaks[i])
+ */
+  __pyx_t_2 = __pyx_v_c_peaks.size();
+  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
+    __pyx_v_i = __pyx_t_3;
+
+    /* "simpl/partial_tracking.pyx":41
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.update_partials(frame.thisptr)
+ *         for i in range(c_peaks.size()):
+ *             peak = Peak(False)             # <<<<<<<<<<<<<<
+ *             peak.set_peak(c_peaks[i])
+ *             peaks.append(peak)
+ */
+    __pyx_t_1 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 41; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 41; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5simpl_4base_Peak)), ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 41; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+    __Pyx_XDECREF(((PyObject *)__pyx_v_peak));
+    __pyx_v_peak = ((struct __pyx_obj_5simpl_4base_Peak *)__pyx_t_1);
+    __pyx_t_1 = 0;
+
+    /* "simpl/partial_tracking.pyx":42
+ *         for i in range(c_peaks.size()):
+ *             peak = Peak(False)
+ *             peak.set_peak(c_peaks[i])             # <<<<<<<<<<<<<<
+ *             peaks.append(peak)
+ *         return peaks
+ */
+    __pyx_t_1 = ((struct __pyx_vtabstruct_5simpl_4base_Peak *)__pyx_v_peak->__pyx_vtab)->set_peak(__pyx_v_peak, (__pyx_v_c_peaks[__pyx_v_i])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "simpl/partial_tracking.pyx":43
+ *             peak = Peak(False)
+ *             peak.set_peak(c_peaks[i])
+ *             peaks.append(peak)             # <<<<<<<<<<<<<<
+ *         return peaks
+ * 
+ */
+    __pyx_t_5 = PyList_Append(__pyx_v_peaks, ((PyObject *)__pyx_v_peak)); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+
+  /* "simpl/partial_tracking.pyx":44
+ *             peak.set_peak(c_peaks[i])
+ *             peaks.append(peak)
+ *         return peaks             # <<<<<<<<<<<<<<
+ * 
+ *     def find_partials(self, frames):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_peaks));
+  __pyx_r = ((PyObject *)__pyx_v_peaks);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.update_partials", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_peaks);
+  __Pyx_XDECREF((PyObject *)__pyx_v_peak);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_9find_partials(PyObject *__pyx_v_self, PyObject *__pyx_v_frames); /*proto*/
+static PyObject *__pyx_pw_5simpl_16partial_tracking_15PartialTracking_9find_partials(PyObject *__pyx_v_self, PyObject *__pyx_v_frames) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("find_partials (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_16partial_tracking_15PartialTracking_8find_partials(((struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *)__pyx_v_self), ((PyObject *)__pyx_v_frames));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/partial_tracking.pyx":46
+ *         return peaks
+ * 
+ *     def find_partials(self, frames):             # <<<<<<<<<<<<<<
+ *         partial_frames = []
+ *         cdef vector[c_Frame*] c_frames
+ */
+
+static PyObject *__pyx_pf_5simpl_16partial_tracking_15PartialTracking_8find_partials(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking *__pyx_v_self, PyObject *__pyx_v_frames) {
+  PyObject *__pyx_v_partial_frames = NULL;
+  std::vector<simpl::Frame *> __pyx_v_c_frames;
+  PyObject *__pyx_v_frame = NULL;
+  std::vector<simpl::Frame *> __pyx_v_output_frames;
+  size_t __pyx_v_i;
+  struct __pyx_obj_5simpl_4base_Frame *__pyx_v_f = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  size_t __pyx_t_5;
+  size_t __pyx_t_6;
+  PyObject *__pyx_t_7 = NULL;
+  int __pyx_t_8;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("find_partials", 0);
+
+  /* "simpl/partial_tracking.pyx":47
+ * 
+ *     def find_partials(self, frames):
+ *         partial_frames = []             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:
+ */
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_v_partial_frames = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "simpl/partial_tracking.pyx":49
+ *         partial_frames = []
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:             # <<<<<<<<<<<<<<
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_partials(c_frames)
+ */
+  if (PyList_CheckExact(__pyx_v_frames) || PyTuple_CheckExact(__pyx_v_frames)) {
+    __pyx_t_1 = __pyx_v_frames; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_frames); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XDECREF(__pyx_v_frame);
+    __pyx_v_frame = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "simpl/partial_tracking.pyx":50
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:
+ *             c_frames.push_back((<Frame>frame).thisptr)             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_partials(c_frames)
+ *         for i in range(output_frames.size()):
+ */
+    __pyx_v_c_frames.push_back(((struct __pyx_obj_5simpl_4base_Frame *)__pyx_v_frame)->thisptr);
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/partial_tracking.pyx":51
+ *         for frame in frames:
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_partials(c_frames)             # <<<<<<<<<<<<<<
+ *         for i in range(output_frames.size()):
+ *             f = Frame(output_frames[i].size(), False)
+ */
+  __pyx_v_output_frames = __pyx_v_self->thisptr->find_partials(__pyx_v_c_frames);
+
+  /* "simpl/partial_tracking.pyx":52
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_partials(c_frames)
+ *         for i in range(output_frames.size()):             # <<<<<<<<<<<<<<
+ *             f = Frame(output_frames[i].size(), False)
+ *             f.set_frame(output_frames[i])
+ */
+  __pyx_t_5 = __pyx_v_output_frames.size();
+  for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
+    __pyx_v_i = __pyx_t_6;
+
+    /* "simpl/partial_tracking.pyx":53
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_partials(c_frames)
+ *         for i in range(output_frames.size()):
+ *             f = Frame(output_frames[i].size(), False)             # <<<<<<<<<<<<<<
+ *             f.set_frame(output_frames[i])
+ *             partial_frames.append(f)
+ */
+    __pyx_t_1 = PyInt_FromLong((__pyx_v_output_frames[__pyx_v_i])->size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_7 = PyTuple_New(2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    PyTuple_SET_ITEM(__pyx_t_7, 1, __pyx_t_4);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __pyx_t_1 = 0;
+    __pyx_t_4 = 0;
+    __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5simpl_4base_Frame)), ((PyObject *)__pyx_t_7), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(((PyObject *)__pyx_t_7)); __pyx_t_7 = 0;
+    __Pyx_XDECREF(((PyObject *)__pyx_v_f));
+    __pyx_v_f = ((struct __pyx_obj_5simpl_4base_Frame *)__pyx_t_4);
+    __pyx_t_4 = 0;
+
+    /* "simpl/partial_tracking.pyx":54
+ *         for i in range(output_frames.size()):
+ *             f = Frame(output_frames[i].size(), False)
+ *             f.set_frame(output_frames[i])             # <<<<<<<<<<<<<<
+ *             partial_frames.append(f)
+ *         return partial_frames
+ */
+    __pyx_t_4 = ((struct __pyx_vtabstruct_5simpl_4base_Frame *)__pyx_v_f->__pyx_vtab)->set_frame(__pyx_v_f, (__pyx_v_output_frames[__pyx_v_i])); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+    /* "simpl/partial_tracking.pyx":55
+ *             f = Frame(output_frames[i].size(), False)
+ *             f.set_frame(output_frames[i])
+ *             partial_frames.append(f)             # <<<<<<<<<<<<<<
+ *         return partial_frames
+ */
+    __pyx_t_8 = PyList_Append(__pyx_v_partial_frames, ((PyObject *)__pyx_v_f)); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+
+  /* "simpl/partial_tracking.pyx":56
+ *             f.set_frame(output_frames[i])
+ *             partial_frames.append(f)
+ *         return partial_frames             # <<<<<<<<<<<<<<
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_partial_frames));
+  __pyx_r = ((PyObject *)__pyx_v_partial_frames);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_7);
+  __Pyx_AddTraceback("simpl.partial_tracking.PartialTracking.find_partials", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_partial_frames);
+  __Pyx_XDECREF(__pyx_v_frame);
+  __Pyx_XDECREF((PyObject *)__pyx_v_f);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+static int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__getbuffer__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5numpy_7ndarray___getbuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info), ((int)__pyx_v_flags));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":193
+ *         # experimental exception made for __getbuffer__ and __releasebuffer__
+ *         # -- the details of this may change.
+ *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
+ *             # This implementation of getbuffer is geared towards Cython
+ *             # requirements, and does not yet fullfill the PEP.
+ */
+
+static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  int __pyx_v_copy_shape;
+  int __pyx_v_i;
+  int __pyx_v_ndim;
+  int __pyx_v_endian_detector;
+  int __pyx_v_little_endian;
+  int __pyx_v_t;
+  char *__pyx_v_f;
+  PyArray_Descr *__pyx_v_descr = 0;
+  int __pyx_v_offset;
+  int __pyx_v_hasfields;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  PyObject *__pyx_t_8 = NULL;
+  char *__pyx_t_9;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__getbuffer__", 0);
+  if (__pyx_v_info != NULL) {
+    __pyx_v_info->obj = Py_None; __Pyx_INCREF(Py_None);
+    __Pyx_GIVEREF(__pyx_v_info->obj);
+  }
+
+  /* "numpy.pxd":199
+ *             # of flags
+ * 
+ *             if info == NULL: return             # <<<<<<<<<<<<<<
+ * 
+ *             cdef int copy_shape, i, ndim
+ */
+  __pyx_t_1 = (__pyx_v_info == NULL);
+  if (__pyx_t_1) {
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":202
+ * 
+ *             cdef int copy_shape, i, ndim
+ *             cdef int endian_detector = 1             # <<<<<<<<<<<<<<
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ * 
+ */
+  __pyx_v_endian_detector = 1;
+
+  /* "numpy.pxd":203
+ *             cdef int copy_shape, i, ndim
+ *             cdef int endian_detector = 1
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
+ * 
+ *             ndim = PyArray_NDIM(self)
+ */
+  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
+
+  /* "numpy.pxd":205
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ * 
+ *             ndim = PyArray_NDIM(self)             # <<<<<<<<<<<<<<
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ */
+  __pyx_v_ndim = PyArray_NDIM(__pyx_v_self);
+
+  /* "numpy.pxd":207
+ *             ndim = PyArray_NDIM(self)
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
+ *                 copy_shape = 1
+ *             else:
+ */
+  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":208
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 copy_shape = 1             # <<<<<<<<<<<<<<
+ *             else:
+ *                 copy_shape = 0
+ */
+    __pyx_v_copy_shape = 1;
+    goto __pyx_L4;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":210
+ *                 copy_shape = 1
+ *             else:
+ *                 copy_shape = 0             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ */
+    __pyx_v_copy_shape = 0;
+  }
+  __pyx_L4:;
+
+  /* "numpy.pxd":212
+ *                 copy_shape = 0
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)             # <<<<<<<<<<<<<<
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ */
+  __pyx_t_1 = ((__pyx_v_flags & PyBUF_C_CONTIGUOUS) == PyBUF_C_CONTIGUOUS);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":213
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):             # <<<<<<<<<<<<<<
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ * 
+ */
+    __pyx_t_2 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_C_CONTIGUOUS));
+    __pyx_t_3 = __pyx_t_2;
+  } else {
+    __pyx_t_3 = __pyx_t_1;
+  }
+  if (__pyx_t_3) {
+
+    /* "numpy.pxd":214
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ */
+    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_2), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    goto __pyx_L5;
+  }
+  __pyx_L5:;
+
+  /* "numpy.pxd":216
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)             # <<<<<<<<<<<<<<
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ */
+  __pyx_t_3 = ((__pyx_v_flags & PyBUF_F_CONTIGUOUS) == PyBUF_F_CONTIGUOUS);
+  if (__pyx_t_3) {
+
+    /* "numpy.pxd":217
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):             # <<<<<<<<<<<<<<
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ * 
+ */
+    __pyx_t_1 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_F_CONTIGUOUS));
+    __pyx_t_2 = __pyx_t_1;
+  } else {
+    __pyx_t_2 = __pyx_t_3;
+  }
+  if (__pyx_t_2) {
+
+    /* "numpy.pxd":218
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             info.buf = PyArray_DATA(self)
+ */
+    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_4), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    goto __pyx_L6;
+  }
+  __pyx_L6:;
+
+  /* "numpy.pxd":220
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ * 
+ *             info.buf = PyArray_DATA(self)             # <<<<<<<<<<<<<<
+ *             info.ndim = ndim
+ *             if copy_shape:
+ */
+  __pyx_v_info->buf = PyArray_DATA(__pyx_v_self);
+
+  /* "numpy.pxd":221
+ * 
+ *             info.buf = PyArray_DATA(self)
+ *             info.ndim = ndim             # <<<<<<<<<<<<<<
+ *             if copy_shape:
+ *                 # Allocate new buffer for strides and shape info.
+ */
+  __pyx_v_info->ndim = __pyx_v_ndim;
+
+  /* "numpy.pxd":222
+ *             info.buf = PyArray_DATA(self)
+ *             info.ndim = ndim
+ *             if copy_shape:             # <<<<<<<<<<<<<<
+ *                 # Allocate new buffer for strides and shape info.
+ *                 # This is allocated as one block, strides first.
+ */
+  if (__pyx_v_copy_shape) {
+
+    /* "numpy.pxd":225
+ *                 # Allocate new buffer for strides and shape info.
+ *                 # This is allocated as one block, strides first.
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)             # <<<<<<<<<<<<<<
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):
+ */
+    __pyx_v_info->strides = ((Py_ssize_t *)malloc((((sizeof(Py_ssize_t)) * ((size_t)__pyx_v_ndim)) * 2)));
+
+    /* "numpy.pxd":226
+ *                 # This is allocated as one block, strides first.
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
+ *                 info.shape = info.strides + ndim             # <<<<<<<<<<<<<<
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ */
+    __pyx_v_info->shape = (__pyx_v_info->strides + __pyx_v_ndim);
+
+    /* "numpy.pxd":227
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):             # <<<<<<<<<<<<<<
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ */
+    __pyx_t_5 = __pyx_v_ndim;
+    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
+      __pyx_v_i = __pyx_t_6;
+
+      /* "numpy.pxd":228
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]             # <<<<<<<<<<<<<<
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ *             else:
+ */
+      (__pyx_v_info->strides[__pyx_v_i]) = (PyArray_STRIDES(__pyx_v_self)[__pyx_v_i]);
+
+      /* "numpy.pxd":229
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ *                     info.shape[i] = PyArray_DIMS(self)[i]             # <<<<<<<<<<<<<<
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ */
+      (__pyx_v_info->shape[__pyx_v_i]) = (PyArray_DIMS(__pyx_v_self)[__pyx_v_i]);
+    }
+    goto __pyx_L7;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":231
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)             # <<<<<<<<<<<<<<
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL
+ */
+    __pyx_v_info->strides = ((Py_ssize_t *)PyArray_STRIDES(__pyx_v_self));
+
+    /* "numpy.pxd":232
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)             # <<<<<<<<<<<<<<
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ */
+    __pyx_v_info->shape = ((Py_ssize_t *)PyArray_DIMS(__pyx_v_self));
+  }
+  __pyx_L7:;
+
+  /* "numpy.pxd":233
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL             # <<<<<<<<<<<<<<
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ *             info.readonly = not PyArray_ISWRITEABLE(self)
+ */
+  __pyx_v_info->suboffsets = NULL;
+
+  /* "numpy.pxd":234
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)             # <<<<<<<<<<<<<<
+ *             info.readonly = not PyArray_ISWRITEABLE(self)
+ * 
+ */
+  __pyx_v_info->itemsize = PyArray_ITEMSIZE(__pyx_v_self);
+
+  /* "numpy.pxd":235
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ *             info.readonly = not PyArray_ISWRITEABLE(self)             # <<<<<<<<<<<<<<
+ * 
+ *             cdef int t
+ */
+  __pyx_v_info->readonly = (!PyArray_ISWRITEABLE(__pyx_v_self));
+
+  /* "numpy.pxd":238
+ * 
+ *             cdef int t
+ *             cdef char* f = NULL             # <<<<<<<<<<<<<<
+ *             cdef dtype descr = self.descr
+ *             cdef list stack
+ */
+  __pyx_v_f = NULL;
+
+  /* "numpy.pxd":239
+ *             cdef int t
+ *             cdef char* f = NULL
+ *             cdef dtype descr = self.descr             # <<<<<<<<<<<<<<
+ *             cdef list stack
+ *             cdef int offset
+ */
+  __Pyx_INCREF(((PyObject *)__pyx_v_self->descr));
+  __pyx_v_descr = __pyx_v_self->descr;
+
+  /* "numpy.pxd":243
+ *             cdef int offset
+ * 
+ *             cdef bint hasfields = PyDataType_HASFIELDS(descr)             # <<<<<<<<<<<<<<
+ * 
+ *             if not hasfields and not copy_shape:
+ */
+  __pyx_v_hasfields = PyDataType_HASFIELDS(__pyx_v_descr);
+
+  /* "numpy.pxd":245
+ *             cdef bint hasfields = PyDataType_HASFIELDS(descr)
+ * 
+ *             if not hasfields and not copy_shape:             # <<<<<<<<<<<<<<
+ *                 # do not call releasebuffer
+ *                 info.obj = None
+ */
+  __pyx_t_2 = (!__pyx_v_hasfields);
+  if (__pyx_t_2) {
+    __pyx_t_3 = (!__pyx_v_copy_shape);
+    __pyx_t_1 = __pyx_t_3;
+  } else {
+    __pyx_t_1 = __pyx_t_2;
+  }
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":247
+ *             if not hasfields and not copy_shape:
+ *                 # do not call releasebuffer
+ *                 info.obj = None             # <<<<<<<<<<<<<<
+ *             else:
+ *                 # need to call releasebuffer
+ */
+    __Pyx_INCREF(Py_None);
+    __Pyx_GIVEREF(Py_None);
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj);
+    __pyx_v_info->obj = Py_None;
+    goto __pyx_L10;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":250
+ *             else:
+ *                 # need to call releasebuffer
+ *                 info.obj = self             # <<<<<<<<<<<<<<
+ * 
+ *             if not hasfields:
+ */
+    __Pyx_INCREF(((PyObject *)__pyx_v_self));
+    __Pyx_GIVEREF(((PyObject *)__pyx_v_self));
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj);
+    __pyx_v_info->obj = ((PyObject *)__pyx_v_self);
+  }
+  __pyx_L10:;
+
+  /* "numpy.pxd":252
+ *                 info.obj = self
+ * 
+ *             if not hasfields:             # <<<<<<<<<<<<<<
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ */
+  __pyx_t_1 = (!__pyx_v_hasfields);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":253
+ * 
+ *             if not hasfields:
+ *                 t = descr.type_num             # <<<<<<<<<<<<<<
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ */
+    __pyx_v_t = __pyx_v_descr->type_num;
+
+    /* "numpy.pxd":254
+ *             if not hasfields:
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or             # <<<<<<<<<<<<<<
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")
+ */
+    __pyx_t_1 = (__pyx_v_descr->byteorder == '>');
+    if (__pyx_t_1) {
+      __pyx_t_2 = __pyx_v_little_endian;
+    } else {
+      __pyx_t_2 = __pyx_t_1;
+    }
+    if (!__pyx_t_2) {
+
+      /* "numpy.pxd":255
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):             # <<<<<<<<<<<<<<
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"
+ */
+      __pyx_t_1 = (__pyx_v_descr->byteorder == '<');
+      if (__pyx_t_1) {
+        __pyx_t_3 = (!__pyx_v_little_endian);
+        __pyx_t_7 = __pyx_t_3;
+      } else {
+        __pyx_t_7 = __pyx_t_1;
+      }
+      __pyx_t_1 = __pyx_t_7;
+    } else {
+      __pyx_t_1 = __pyx_t_2;
+    }
+    if (__pyx_t_1) {
+
+      /* "numpy.pxd":256
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ */
+      __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_6), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L12;
+    }
+    __pyx_L12:;
+
+    /* "numpy.pxd":257
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_BYTE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__b;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":258
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_UBYTE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__B;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":259
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_SHORT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__h;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":260
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_USHORT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__H;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":261
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_INT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__i;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":262
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_UINT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__I;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":263
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__l;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":264
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_ULONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__L;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":265
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONGLONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__q;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":266
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_ULONGLONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Q;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":267
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_FLOAT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__f;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":268
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_DOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__d;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":269
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONGDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__g;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":270
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CFLOAT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zf;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":271
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zd;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":272
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_OBJECT:      f = "O"
+ *                 else:
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CLONGDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zg;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":273
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_OBJECT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__O;
+      goto __pyx_L13;
+    }
+    /*else*/ {
+
+      /* "numpy.pxd":275
+ *                 elif t == NPY_OBJECT:      f = "O"
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
+ *                 info.format = f
+ *                 return
+ */
+      __pyx_t_4 = PyInt_FromLong(__pyx_v_t); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_7), __pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(((PyObject *)__pyx_t_8));
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_t_8));
+      __Pyx_GIVEREF(((PyObject *)__pyx_t_8));
+      __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_Raise(__pyx_t_8, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    __pyx_L13:;
+
+    /* "numpy.pxd":276
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *                 info.format = f             # <<<<<<<<<<<<<<
+ *                 return
+ *             else:
+ */
+    __pyx_v_info->format = __pyx_v_f;
+
+    /* "numpy.pxd":277
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *                 info.format = f
+ *                 return             # <<<<<<<<<<<<<<
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ */
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L11;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":279
+ *                 return
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)             # <<<<<<<<<<<<<<
+ *                 info.format[0] = '^' # Native data types, manual alignment
+ *                 offset = 0
+ */
+    __pyx_v_info->format = ((char *)malloc(255));
+
+    /* "numpy.pxd":280
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ *                 info.format[0] = '^' # Native data types, manual alignment             # <<<<<<<<<<<<<<
+ *                 offset = 0
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ */
+    (__pyx_v_info->format[0]) = '^';
+
+    /* "numpy.pxd":281
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ *                 info.format[0] = '^' # Native data types, manual alignment
+ *                 offset = 0             # <<<<<<<<<<<<<<
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ *                                       info.format + _buffer_format_string_len,
+ */
+    __pyx_v_offset = 0;
+
+    /* "numpy.pxd":284
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ *                                       info.format + _buffer_format_string_len,
+ *                                       &offset)             # <<<<<<<<<<<<<<
+ *                 f[0] = 0 # Terminate format string
+ * 
+ */
+    __pyx_t_9 = __pyx_f_5numpy__util_dtypestring(__pyx_v_descr, (__pyx_v_info->format + 1), (__pyx_v_info->format + 255), (&__pyx_v_offset)); if (unlikely(__pyx_t_9 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 282; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_v_f = __pyx_t_9;
+
+    /* "numpy.pxd":285
+ *                                       info.format + _buffer_format_string_len,
+ *                                       &offset)
+ *                 f[0] = 0 # Terminate format string             # <<<<<<<<<<<<<<
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ */
+    (__pyx_v_f[0]) = 0;
+  }
+  __pyx_L11:;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_8);
+  __Pyx_AddTraceback("numpy.ndarray.__getbuffer__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  if (__pyx_v_info != NULL && __pyx_v_info->obj != NULL) {
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj); __pyx_v_info->obj = NULL;
+  }
+  goto __pyx_L2;
+  __pyx_L0:;
+  if (__pyx_v_info != NULL && __pyx_v_info->obj == Py_None) {
+    __Pyx_GOTREF(Py_None);
+    __Pyx_DECREF(Py_None); __pyx_v_info->obj = NULL;
+  }
+  __pyx_L2:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_descr);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info); /*proto*/
+static void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__releasebuffer__ (wrapper)", 0);
+  __pyx_pf_5numpy_7ndarray_2__releasebuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":287
+ *                 f[0] = 0 # Terminate format string
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ */
+
+static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("__releasebuffer__", 0);
+
+  /* "numpy.pxd":288
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ *             if PyArray_HASFIELDS(self):             # <<<<<<<<<<<<<<
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ */
+  __pyx_t_1 = PyArray_HASFIELDS(__pyx_v_self);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":289
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)             # <<<<<<<<<<<<<<
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 stdlib.free(info.strides)
+ */
+    free(__pyx_v_info->format);
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":290
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
+ *                 stdlib.free(info.strides)
+ *                 # info.shape was stored after info.strides in the same block
+ */
+  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":291
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 stdlib.free(info.strides)             # <<<<<<<<<<<<<<
+ *                 # info.shape was stored after info.strides in the same block
+ * 
+ */
+    free(__pyx_v_info->strides);
+    goto __pyx_L4;
+  }
+  __pyx_L4:;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":767
+ * ctypedef npy_cdouble     complex_t
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__pyx_v_a) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew1", 0);
+
+  /* "numpy.pxd":768
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):
+ *     return PyArray_MultiIterNew(1, <void*>a)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(1, ((void *)__pyx_v_a)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew1", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":770
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__pyx_v_a, PyObject *__pyx_v_b) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew2", 0);
+
+  /* "numpy.pxd":771
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(2, ((void *)__pyx_v_a), ((void *)__pyx_v_b)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 771; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew2", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":773
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew3", 0);
+
+  /* "numpy.pxd":774
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(3, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 774; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew3", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":776
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew4", 0);
+
+  /* "numpy.pxd":777
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(4, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 777; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew4", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":779
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d, PyObject *__pyx_v_e) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew5", 0);
+
+  /* "numpy.pxd":780
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(5, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d), ((void *)__pyx_v_e)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew5", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":782
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:             # <<<<<<<<<<<<<<
+ *     # Recursive utility function used in __getbuffer__ to get format
+ *     # string. The new location in the format string is returned.
+ */
+
+static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx_v_descr, char *__pyx_v_f, char *__pyx_v_end, int *__pyx_v_offset) {
+  PyArray_Descr *__pyx_v_child = 0;
+  int __pyx_v_endian_detector;
+  int __pyx_v_little_endian;
+  PyObject *__pyx_v_fields = 0;
+  PyObject *__pyx_v_childname = NULL;
+  PyObject *__pyx_v_new_offset = NULL;
+  PyObject *__pyx_v_t = NULL;
+  char *__pyx_r;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  int __pyx_t_8;
+  int __pyx_t_9;
+  long __pyx_t_10;
+  char *__pyx_t_11;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("_util_dtypestring", 0);
+
+  /* "numpy.pxd":789
+ *     cdef int delta_offset
+ *     cdef tuple i
+ *     cdef int endian_detector = 1             # <<<<<<<<<<<<<<
+ *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ *     cdef tuple fields
+ */
+  __pyx_v_endian_detector = 1;
+
+  /* "numpy.pxd":790
+ *     cdef tuple i
+ *     cdef int endian_detector = 1
+ *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
+ *     cdef tuple fields
+ * 
+ */
+  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
+
+  /* "numpy.pxd":793
+ *     cdef tuple fields
+ * 
+ *     for childname in descr.names:             # <<<<<<<<<<<<<<
+ *         fields = descr.fields[childname]
+ *         child, new_offset = fields
+ */
+  if (unlikely(((PyObject *)__pyx_v_descr->names) == Py_None)) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); {__pyx_filename = __pyx_f[1]; __pyx_lineno = 793; __pyx_clineno = __LINE__; goto __pyx_L1_error;} 
+  }
+  __pyx_t_1 = ((PyObject *)__pyx_v_descr->names); __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+  for (;;) {
+    if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+    __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++;
+    __Pyx_XDECREF(__pyx_v_childname);
+    __pyx_v_childname = __pyx_t_3;
+    __pyx_t_3 = 0;
+
+    /* "numpy.pxd":794
+ * 
+ *     for childname in descr.names:
+ *         fields = descr.fields[childname]             # <<<<<<<<<<<<<<
+ *         child, new_offset = fields
+ * 
+ */
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (!__pyx_t_3) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected tuple, got %.200s", Py_TYPE(__pyx_t_3)->tp_name), 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF(((PyObject *)__pyx_v_fields));
+    __pyx_v_fields = ((PyObject*)__pyx_t_3);
+    __pyx_t_3 = 0;
+
+    /* "numpy.pxd":795
+ *     for childname in descr.names:
+ *         fields = descr.fields[childname]
+ *         child, new_offset = fields             # <<<<<<<<<<<<<<
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ */
+    if (likely(PyTuple_CheckExact(((PyObject *)__pyx_v_fields)))) {
+      PyObject* sequence = ((PyObject *)__pyx_v_fields);
+      if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) {
+        if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
+        else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); 
+      __pyx_t_4 = PyTuple_GET_ITEM(sequence, 1); 
+      __Pyx_INCREF(__pyx_t_3);
+      __Pyx_INCREF(__pyx_t_4);
+    } else {
+      __Pyx_UnpackTupleError(((PyObject *)__pyx_v_fields), 2);
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_dtype))))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF(((PyObject *)__pyx_v_child));
+    __pyx_v_child = ((PyArray_Descr *)__pyx_t_3);
+    __pyx_t_3 = 0;
+    __Pyx_XDECREF(__pyx_v_new_offset);
+    __pyx_v_new_offset = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "numpy.pxd":797
+ *         child, new_offset = fields
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:             # <<<<<<<<<<<<<<
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
+ * 
+ */
+    __pyx_t_4 = PyInt_FromLong((__pyx_v_end - __pyx_v_f)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_3 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = PyNumber_Subtract(__pyx_v_new_offset, __pyx_t_3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_3 = PyNumber_Subtract(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_int_15, Py_LT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":798
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ */
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_9), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
+
+    /* "numpy.pxd":800
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or             # <<<<<<<<<<<<<<
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")
+ */
+    __pyx_t_6 = (__pyx_v_child->byteorder == '>');
+    if (__pyx_t_6) {
+      __pyx_t_7 = __pyx_v_little_endian;
+    } else {
+      __pyx_t_7 = __pyx_t_6;
+    }
+    if (!__pyx_t_7) {
+
+      /* "numpy.pxd":801
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):             # <<<<<<<<<<<<<<
+ *             raise ValueError(u"Non-native byte order not supported")
+ *             # One could encode it in the format string and have Cython
+ */
+      __pyx_t_6 = (__pyx_v_child->byteorder == '<');
+      if (__pyx_t_6) {
+        __pyx_t_8 = (!__pyx_v_little_endian);
+        __pyx_t_9 = __pyx_t_8;
+      } else {
+        __pyx_t_9 = __pyx_t_6;
+      }
+      __pyx_t_6 = __pyx_t_9;
+    } else {
+      __pyx_t_6 = __pyx_t_7;
+    }
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":802
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *             # One could encode it in the format string and have Cython
+ *             # complain instead, BUT: < and > in format strings also imply
+ */
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_10), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L6;
+    }
+    __pyx_L6:;
+
+    /* "numpy.pxd":812
+ * 
+ *         # Output padding bytes
+ *         while offset[0] < new_offset:             # <<<<<<<<<<<<<<
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1
+ */
+    while (1) {
+      __pyx_t_5 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_t_5, __pyx_v_new_offset, Py_LT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (!__pyx_t_6) break;
+
+      /* "numpy.pxd":813
+ *         # Output padding bytes
+ *         while offset[0] < new_offset:
+ *             f[0] = 120 # "x"; pad byte             # <<<<<<<<<<<<<<
+ *             f += 1
+ *             offset[0] += 1
+ */
+      (__pyx_v_f[0]) = 120;
+
+      /* "numpy.pxd":814
+ *         while offset[0] < new_offset:
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1             # <<<<<<<<<<<<<<
+ *             offset[0] += 1
+ * 
+ */
+      __pyx_v_f = (__pyx_v_f + 1);
+
+      /* "numpy.pxd":815
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1
+ *             offset[0] += 1             # <<<<<<<<<<<<<<
+ * 
+ *         offset[0] += child.itemsize
+ */
+      __pyx_t_10 = 0;
+      (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + 1);
+    }
+
+    /* "numpy.pxd":817
+ *             offset[0] += 1
+ * 
+ *         offset[0] += child.itemsize             # <<<<<<<<<<<<<<
+ * 
+ *         if not PyDataType_HASFIELDS(child):
+ */
+    __pyx_t_10 = 0;
+    (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + __pyx_v_child->elsize);
+
+    /* "numpy.pxd":819
+ *         offset[0] += child.itemsize
+ * 
+ *         if not PyDataType_HASFIELDS(child):             # <<<<<<<<<<<<<<
+ *             t = child.type_num
+ *             if end - f < 5:
+ */
+    __pyx_t_6 = (!PyDataType_HASFIELDS(__pyx_v_child));
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":820
+ * 
+ *         if not PyDataType_HASFIELDS(child):
+ *             t = child.type_num             # <<<<<<<<<<<<<<
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")
+ */
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_child->type_num); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 820; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_XDECREF(__pyx_v_t);
+      __pyx_v_t = __pyx_t_3;
+      __pyx_t_3 = 0;
+
+      /* "numpy.pxd":821
+ *         if not PyDataType_HASFIELDS(child):
+ *             t = child.type_num
+ *             if end - f < 5:             # <<<<<<<<<<<<<<
+ *                 raise RuntimeError(u"Format string allocated too short.")
+ * 
+ */
+      __pyx_t_6 = ((__pyx_v_end - __pyx_v_f) < 5);
+      if (__pyx_t_6) {
+
+        /* "numpy.pxd":822
+ *             t = child.type_num
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ */
+        __pyx_t_3 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_12), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        goto __pyx_L10;
+      }
+      __pyx_L10:;
+
+      /* "numpy.pxd":825
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_BYTE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 98;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":826
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_UBYTE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 66;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":827
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_SHORT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 104;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":828
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_USHORT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 72;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":829
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_INT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 105;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":830
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_UINT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 73;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":831
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 108;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":832
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_ULONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 76;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":833
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONGLONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 113;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":834
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_ULONGLONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 81;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":835
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_FLOAT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 102;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":836
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_DOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 100;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":837
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONGDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 103;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":838
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_CFLOAT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 102;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":839
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_CDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 100;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":840
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg             # <<<<<<<<<<<<<<
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ *             else:
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_CLONGDOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 103;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":841
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_OBJECT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 79;
+        goto __pyx_L11;
+      }
+      /*else*/ {
+
+        /* "numpy.pxd":843
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
+ *             f += 1
+ *         else:
+ */
+        __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_7), __pyx_v_t); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(((PyObject *)__pyx_t_5));
+        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_t_5));
+        __Pyx_GIVEREF(((PyObject *)__pyx_t_5));
+        __pyx_t_5 = 0;
+        __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+        __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      __pyx_L11:;
+
+      /* "numpy.pxd":844
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *             f += 1             # <<<<<<<<<<<<<<
+ *         else:
+ *             # Cython ignores struct boundary information ("T{...}"),
+ */
+      __pyx_v_f = (__pyx_v_f + 1);
+      goto __pyx_L9;
+    }
+    /*else*/ {
+
+      /* "numpy.pxd":848
+ *             # Cython ignores struct boundary information ("T{...}"),
+ *             # so don't output it
+ *             f = _util_dtypestring(child, f, end, offset)             # <<<<<<<<<<<<<<
+ *     return f
+ * 
+ */
+      __pyx_t_11 = __pyx_f_5numpy__util_dtypestring(__pyx_v_child, __pyx_v_f, __pyx_v_end, __pyx_v_offset); if (unlikely(__pyx_t_11 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_v_f = __pyx_t_11;
+    }
+    __pyx_L9:;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "numpy.pxd":849
+ *             # so don't output it
+ *             f = _util_dtypestring(child, f, end, offset)
+ *     return f             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_f;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("numpy._util_dtypestring", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_child);
+  __Pyx_XDECREF(__pyx_v_fields);
+  __Pyx_XDECREF(__pyx_v_childname);
+  __Pyx_XDECREF(__pyx_v_new_offset);
+  __Pyx_XDECREF(__pyx_v_t);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":964
+ * 
+ * 
+ * cdef inline void set_array_base(ndarray arr, object base):             # <<<<<<<<<<<<<<
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ */
+
+static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_arr, PyObject *__pyx_v_base) {
+  PyObject *__pyx_v_baseptr;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("set_array_base", 0);
+
+  /* "numpy.pxd":966
+ * cdef inline void set_array_base(ndarray arr, object base):
+ *      cdef PyObject* baseptr
+ *      if base is None:             # <<<<<<<<<<<<<<
+ *          baseptr = NULL
+ *      else:
+ */
+  __pyx_t_1 = (__pyx_v_base == Py_None);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":967
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ *          baseptr = NULL             # <<<<<<<<<<<<<<
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!
+ */
+    __pyx_v_baseptr = NULL;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":969
+ *          baseptr = NULL
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!             # <<<<<<<<<<<<<<
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)
+ */
+    Py_INCREF(__pyx_v_base);
+
+    /* "numpy.pxd":970
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!
+ *          baseptr = <PyObject*>base             # <<<<<<<<<<<<<<
+ *      Py_XDECREF(arr.base)
+ *      arr.base = baseptr
+ */
+    __pyx_v_baseptr = ((PyObject *)__pyx_v_base);
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":971
+ *          Py_INCREF(base) # important to do this before decref below!
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)             # <<<<<<<<<<<<<<
+ *      arr.base = baseptr
+ * 
+ */
+  Py_XDECREF(__pyx_v_arr->base);
+
+  /* "numpy.pxd":972
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)
+ *      arr.base = baseptr             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object get_array_base(ndarray arr):
+ */
+  __pyx_v_arr->base = __pyx_v_baseptr;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":974
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__pyx_v_arr) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("get_array_base", 0);
+
+  /* "numpy.pxd":975
+ * 
+ * cdef inline object get_array_base(ndarray arr):
+ *     if arr.base is NULL:             # <<<<<<<<<<<<<<
+ *         return None
+ *     else:
+ */
+  __pyx_t_1 = (__pyx_v_arr->base == NULL);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":976
+ * cdef inline object get_array_base(ndarray arr):
+ *     if arr.base is NULL:
+ *         return None             # <<<<<<<<<<<<<<
+ *     else:
+ *         return <object>arr.base
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(Py_None);
+    __pyx_r = Py_None;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":978
+ *         return None
+ *     else:
+ *         return <object>arr.base             # <<<<<<<<<<<<<<
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(((PyObject *)__pyx_v_arr->base));
+    __pyx_r = ((PyObject *)__pyx_v_arr->base);
+    goto __pyx_L0;
+  }
+  __pyx_L3:;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_tp_new_5simpl_16partial_tracking_PartialTracking(PyTypeObject *t, PyObject *a, PyObject *k) {
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  if (__pyx_pw_5simpl_16partial_tracking_15PartialTracking_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_5simpl_16partial_tracking_PartialTracking(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_5simpl_16partial_tracking_15PartialTracking_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyObject *__pyx_getprop_5simpl_16partial_tracking_15PartialTracking_sampling_rate(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_16partial_tracking_15PartialTracking_sampling_rate(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_16partial_tracking_15PartialTracking_13sampling_rate_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_16partial_tracking_15PartialTracking_max_partials(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_16partial_tracking_15PartialTracking_12max_partials_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_16partial_tracking_15PartialTracking_max_partials(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_16partial_tracking_15PartialTracking_12max_partials_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_16partial_tracking_15PartialTracking_min_partial_length(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_16partial_tracking_15PartialTracking_min_partial_length(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_16partial_tracking_15PartialTracking_18min_partial_length_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_16partial_tracking_15PartialTracking_max_gap(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_16partial_tracking_15PartialTracking_7max_gap_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_16partial_tracking_15PartialTracking_max_gap(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_16partial_tracking_15PartialTracking_7max_gap_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyMethodDef __pyx_methods_5simpl_16partial_tracking_PartialTracking[] = {
+  {__Pyx_NAMESTR("clear"), (PyCFunction)__pyx_pw_5simpl_16partial_tracking_15PartialTracking_5clear, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("update_partials"), (PyCFunction)__pyx_pw_5simpl_16partial_tracking_15PartialTracking_7update_partials, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("find_partials"), (PyCFunction)__pyx_pw_5simpl_16partial_tracking_15PartialTracking_9find_partials, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_5simpl_16partial_tracking_PartialTracking[] = {
+  {(char *)"sampling_rate", __pyx_getprop_5simpl_16partial_tracking_15PartialTracking_sampling_rate, __pyx_setprop_5simpl_16partial_tracking_15PartialTracking_sampling_rate, 0, 0},
+  {(char *)"max_partials", __pyx_getprop_5simpl_16partial_tracking_15PartialTracking_max_partials, __pyx_setprop_5simpl_16partial_tracking_15PartialTracking_max_partials, 0, 0},
+  {(char *)"min_partial_length", __pyx_getprop_5simpl_16partial_tracking_15PartialTracking_min_partial_length, __pyx_setprop_5simpl_16partial_tracking_15PartialTracking_min_partial_length, 0, 0},
+  {(char *)"max_gap", __pyx_getprop_5simpl_16partial_tracking_15PartialTracking_max_gap, __pyx_setprop_5simpl_16partial_tracking_15PartialTracking_max_gap, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_PartialTracking = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_PartialTracking = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_PartialTracking = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_PartialTracking = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_5simpl_16partial_tracking_PartialTracking = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("simpl.partial_tracking.PartialTracking"), /*tp_name*/
+  sizeof(struct __pyx_obj_5simpl_16partial_tracking_PartialTracking), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_5simpl_16partial_tracking_PartialTracking, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_PartialTracking, /*tp_as_number*/
+  &__pyx_tp_as_sequence_PartialTracking, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_PartialTracking, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_PartialTracking, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_5simpl_16partial_tracking_PartialTracking, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_5simpl_16partial_tracking_PartialTracking, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_5simpl_16partial_tracking_PartialTracking, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyMethodDef __pyx_methods[] = {
+  {0, 0, 0, 0}
+};
+
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef __pyx_moduledef = {
+    PyModuleDef_HEAD_INIT,
+    __Pyx_NAMESTR("partial_tracking"),
+    0, /* m_doc */
+    -1, /* m_size */
+    __pyx_methods /* m_methods */,
+    NULL, /* m_reload */
+    NULL, /* m_traverse */
+    NULL, /* m_clear */
+    NULL /* m_free */
+};
+#endif
+
+static __Pyx_StringTabEntry __pyx_string_tab[] = {
+  {&__pyx_kp_u_1, __pyx_k_1, sizeof(__pyx_k_1), 0, 1, 0, 0},
+  {&__pyx_kp_u_11, __pyx_k_11, sizeof(__pyx_k_11), 0, 1, 0, 0},
+  {&__pyx_kp_u_3, __pyx_k_3, sizeof(__pyx_k_3), 0, 1, 0, 0},
+  {&__pyx_kp_u_5, __pyx_k_5, sizeof(__pyx_k_5), 0, 1, 0, 0},
+  {&__pyx_kp_u_7, __pyx_k_7, sizeof(__pyx_k_7), 0, 1, 0, 0},
+  {&__pyx_kp_u_8, __pyx_k_8, sizeof(__pyx_k_8), 0, 1, 0, 0},
+  {&__pyx_n_s__RuntimeError, __pyx_k__RuntimeError, sizeof(__pyx_k__RuntimeError), 0, 0, 1, 1},
+  {&__pyx_n_s__ValueError, __pyx_k__ValueError, sizeof(__pyx_k__ValueError), 0, 0, 1, 1},
+  {&__pyx_n_s____main__, __pyx_k____main__, sizeof(__pyx_k____main__), 0, 0, 1, 1},
+  {&__pyx_n_s____test__, __pyx_k____test__, sizeof(__pyx_k____test__), 0, 0, 1, 1},
+  {&__pyx_n_s__np, __pyx_k__np, sizeof(__pyx_k__np), 0, 0, 1, 1},
+  {&__pyx_n_s__numpy, __pyx_k__numpy, sizeof(__pyx_k__numpy), 0, 0, 1, 1},
+  {&__pyx_n_s__range, __pyx_k__range, sizeof(__pyx_k__range), 0, 0, 1, 1},
+  {0, 0, 0, 0, 0, 0, 0}
+};
+static int __Pyx_InitCachedBuiltins(void) {
+  __pyx_builtin_range = __Pyx_GetName(__pyx_b, __pyx_n_s__range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_RuntimeError = __Pyx_GetName(__pyx_b, __pyx_n_s__RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+static int __Pyx_InitCachedConstants(void) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
+
+  /* "numpy.pxd":214
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ */
+  __pyx_k_tuple_2 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_2)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_2);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_1));
+  PyTuple_SET_ITEM(__pyx_k_tuple_2, 0, ((PyObject *)__pyx_kp_u_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_2));
+
+  /* "numpy.pxd":218
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             info.buf = PyArray_DATA(self)
+ */
+  __pyx_k_tuple_4 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_4);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_3));
+  PyTuple_SET_ITEM(__pyx_k_tuple_4, 0, ((PyObject *)__pyx_kp_u_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_4));
+
+  /* "numpy.pxd":256
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ */
+  __pyx_k_tuple_6 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_6)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_6);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_5));
+  PyTuple_SET_ITEM(__pyx_k_tuple_6, 0, ((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_6));
+
+  /* "numpy.pxd":798
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ */
+  __pyx_k_tuple_9 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_9)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_9);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_8));
+  PyTuple_SET_ITEM(__pyx_k_tuple_9, 0, ((PyObject *)__pyx_kp_u_8));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_8));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_9));
+
+  /* "numpy.pxd":802
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *             # One could encode it in the format string and have Cython
+ *             # complain instead, BUT: < and > in format strings also imply
+ */
+  __pyx_k_tuple_10 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_10)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_10);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_5));
+  PyTuple_SET_ITEM(__pyx_k_tuple_10, 0, ((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_10));
+
+  /* "numpy.pxd":822
+ *             t = child.type_num
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ */
+  __pyx_k_tuple_12 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_12)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_12);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_11));
+  PyTuple_SET_ITEM(__pyx_k_tuple_12, 0, ((PyObject *)__pyx_kp_u_11));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_11));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_12));
+  __Pyx_RefNannyFinishContext();
+  return 0;
+  __pyx_L1_error:;
+  __Pyx_RefNannyFinishContext();
+  return -1;
+}
+
+static int __Pyx_InitGlobals(void) {
+  if (__Pyx_InitStrings(__pyx_string_tab) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  __pyx_int_15 = PyInt_FromLong(15); if (unlikely(!__pyx_int_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+#if PY_MAJOR_VERSION < 3
+PyMODINIT_FUNC initpartial_tracking(void); /*proto*/
+PyMODINIT_FUNC initpartial_tracking(void)
+#else
+PyMODINIT_FUNC PyInit_partial_tracking(void); /*proto*/
+PyMODINIT_FUNC PyInit_partial_tracking(void)
+#endif
+{
+  PyObject *__pyx_t_1 = NULL;
+  __Pyx_RefNannyDeclarations
+  #if CYTHON_REFNANNY
+  __Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
+  if (!__Pyx_RefNanny) {
+      PyErr_Clear();
+      __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny");
+      if (!__Pyx_RefNanny)
+          Py_FatalError("failed to import 'refnanny' module");
+  }
+  #endif
+  __Pyx_RefNannySetupContext("PyMODINIT_FUNC PyInit_partial_tracking(void)", 0);
+  if ( __Pyx_check_binary_version() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #ifdef __Pyx_CyFunction_USED
+  if (__Pyx_CyFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  if (__pyx_FusedFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  #ifdef __Pyx_Generator_USED
+  if (__pyx_Generator_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  /*--- Library function declarations ---*/
+  /*--- Threads initialization code ---*/
+  #if defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS
+  #ifdef WITH_THREAD /* Python build with threading support? */
+  PyEval_InitThreads();
+  #endif
+  #endif
+  /*--- Module creation code ---*/
+  #if PY_MAJOR_VERSION < 3
+  __pyx_m = Py_InitModule4(__Pyx_NAMESTR("partial_tracking"), __pyx_methods, 0, 0, PYTHON_API_VERSION);
+  #else
+  __pyx_m = PyModule_Create(&__pyx_moduledef);
+  #endif
+  if (!__pyx_m) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  #if PY_MAJOR_VERSION < 3
+  Py_INCREF(__pyx_m);
+  #endif
+  __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME));
+  if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  if (__Pyx_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  /*--- Initialize various global constants etc. ---*/
+  if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__pyx_module_is_main_simpl__partial_tracking) {
+    if (__Pyx_SetAttrString(__pyx_m, "__name__", __pyx_n_s____main__) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  }
+  /*--- Builtin init code ---*/
+  if (unlikely(__Pyx_InitCachedBuiltins() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Constants init code ---*/
+  if (unlikely(__Pyx_InitCachedConstants() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Global init code ---*/
+  /*--- Variable export code ---*/
+  /*--- Function export code ---*/
+  /*--- Type init code ---*/
+  if (PyType_Ready(&__pyx_type_5simpl_16partial_tracking_PartialTracking) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 12; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "PartialTracking", (PyObject *)&__pyx_type_5simpl_16partial_tracking_PartialTracking) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 12; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_16partial_tracking_PartialTracking = &__pyx_type_5simpl_16partial_tracking_PartialTracking;
+  /*--- Type import code ---*/
+  __pyx_ptype_5numpy_dtype = __Pyx_ImportType("numpy", "dtype", sizeof(PyArray_Descr), 0); if (unlikely(!__pyx_ptype_5numpy_dtype)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 154; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_flatiter = __Pyx_ImportType("numpy", "flatiter", sizeof(PyArrayIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_flatiter)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_broadcast = __Pyx_ImportType("numpy", "broadcast", sizeof(PyArrayMultiIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_broadcast)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_ndarray = __Pyx_ImportType("numpy", "ndarray", sizeof(PyArrayObject), 0); if (unlikely(!__pyx_ptype_5numpy_ndarray)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_ufunc = __Pyx_ImportType("numpy", "ufunc", sizeof(PyUFuncObject), 0); if (unlikely(!__pyx_ptype_5numpy_ufunc)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_4base_Peak = __Pyx_ImportType("simpl.base", "Peak", sizeof(struct __pyx_obj_5simpl_4base_Peak), 1); if (unlikely(!__pyx_ptype_5simpl_4base_Peak)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_5simpl_4base_Peak = (struct __pyx_vtabstruct_5simpl_4base_Peak*)__Pyx_GetVtable(__pyx_ptype_5simpl_4base_Peak->tp_dict); if (unlikely(!__pyx_vtabptr_5simpl_4base_Peak)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_4base_Frame = __Pyx_ImportType("simpl.base", "Frame", sizeof(struct __pyx_obj_5simpl_4base_Frame), 1); if (unlikely(!__pyx_ptype_5simpl_4base_Frame)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_5simpl_4base_Frame = (struct __pyx_vtabstruct_5simpl_4base_Frame*)__Pyx_GetVtable(__pyx_ptype_5simpl_4base_Frame->tp_dict); if (unlikely(!__pyx_vtabptr_5simpl_4base_Frame)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Variable import code ---*/
+  /*--- Function import code ---*/
+  /*--- Execution code ---*/
+
+  /* "simpl/partial_tracking.pyx":1
+ * import numpy as np             # <<<<<<<<<<<<<<
+ * cimport numpy as np
+ * np.import_array()
+ */
+  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__numpy), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__np, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/partial_tracking.pyx":3
+ * import numpy as np
+ * cimport numpy as np
+ * np.import_array()             # <<<<<<<<<<<<<<
+ * from libcpp.vector cimport vector
+ * 
+ */
+  import_array();
+
+  /* "simpl/partial_tracking.pyx":1
+ * import numpy as np             # <<<<<<<<<<<<<<
+ * cimport numpy as np
+ * np.import_array()
+ */
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_1)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+
+  /* "numpy.pxd":974
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  if (__pyx_m) {
+    __Pyx_AddTraceback("init simpl.partial_tracking", __pyx_clineno, __pyx_lineno, __pyx_filename);
+    Py_DECREF(__pyx_m); __pyx_m = 0;
+  } else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_ImportError, "init simpl.partial_tracking");
+  }
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  #if PY_MAJOR_VERSION < 3
+  return;
+  #else
+  return __pyx_m;
+  #endif
+}
+
+/* Runtime support code */
+#if CYTHON_REFNANNY
+static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
+    PyObject *m = NULL, *p = NULL;
+    void *r = NULL;
+    m = PyImport_ImportModule((char *)modname);
+    if (!m) goto end;
+    p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
+    if (!p) goto end;
+    r = PyLong_AsVoidPtr(p);
+end:
+    Py_XDECREF(p);
+    Py_XDECREF(m);
+    return (__Pyx_RefNannyAPIStruct *)r;
+}
+#endif /* CYTHON_REFNANNY */
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name) {
+    PyObject *result;
+    result = PyObject_GetAttr(dict, name);
+    if (!result) {
+        if (dict != __pyx_b) {
+            PyErr_Clear();
+            result = PyObject_GetAttr(__pyx_b, name);
+        }
+        if (!result) {
+            PyErr_SetObject(PyExc_NameError, name);
+        }
+    }
+    return result;
+}
+
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
+    PyObject *kwdict,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+    while (PyDict_Next(kwdict, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
+        #else
+        if (unlikely(!PyUnicode_Check(key)))
+        #endif
+            goto invalid_keyword_type;
+    }
+    if ((!kw_allowed) && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%s() keywords must be strings", function_name);
+    return 0;
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%s() got an unexpected keyword argument '%s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact)
+{
+    if (!type) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (none_allowed && obj == Py_None) return 1;
+    else if (exact) {
+        if (Py_TYPE(obj) == type) return 1;
+    }
+    else {
+        if (PyObject_TypeCheck(obj, type)) return 1;
+    }
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%s' has incorrect type (expected %s, got %s)",
+        name, type->tp_name, Py_TYPE(obj)->tp_name);
+    return 0;
+}
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    tmp_type = tstate->curexc_type;
+    tmp_value = tstate->curexc_value;
+    tmp_tb = tstate->curexc_traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_Restore(type, value, tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(type, value, tb);
+#endif
+}
+
+#if PY_MAJOR_VERSION < 3
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
+                        CYTHON_UNUSED PyObject *cause) {
+    Py_XINCREF(type);
+    Py_XINCREF(value);
+    Py_XINCREF(tb);
+    if (tb == Py_None) {
+        Py_DECREF(tb);
+        tb = 0;
+    }
+    else if (tb != NULL && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto raise_error;
+    }
+    if (value == NULL) {
+        value = Py_None;
+        Py_INCREF(value);
+    }
+    #if PY_VERSION_HEX < 0x02050000
+    if (!PyClass_Check(type))
+    #else
+    if (!PyType_Check(type))
+    #endif
+    {
+        if (value != Py_None) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto raise_error;
+        }
+        Py_DECREF(value);
+        value = type;
+        #if PY_VERSION_HEX < 0x02050000
+            if (PyInstance_Check(type)) {
+                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
+                Py_INCREF(type);
+            }
+            else {
+                type = 0;
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception must be an old-style class or instance");
+                goto raise_error;
+            }
+        #else
+            type = (PyObject*) Py_TYPE(type);
+            Py_INCREF(type);
+            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception class must be a subclass of BaseException");
+                goto raise_error;
+            }
+        #endif
+    }
+    __Pyx_ErrRestore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
+}
+#else /* Python 3+ */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (!PyExceptionClass_Check(type)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        }
+        else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        }
+        else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        if (!value) {
+            value = PyObject_CallObject(type, NULL);
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+        PyThreadState *tstate = PyThreadState_GET();
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+    }
+bad:
+    return;
+}
+#endif
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    PyErr_Format(PyExc_ValueError,
+                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
+                 index, (index == 1) ? "" : "s");
+}
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+}
+
+static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
+    if (t == Py_None) {
+      __Pyx_RaiseNoneNotIterableError();
+    } else if (PyTuple_GET_SIZE(t) < index) {
+      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
+    } else {
+      __Pyx_RaiseTooManyValuesError(index);
+    }
+}
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    if (unlikely(!type)) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (likely(PyObject_TypeCheck(obj, type)))
+        return 1;
+    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
+                 Py_TYPE(obj)->tp_name, type->tp_name);
+    return 0;
+}
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
+    PyObject *py_import = 0;
+    PyObject *empty_list = 0;
+    PyObject *module = 0;
+    PyObject *global_dict = 0;
+    PyObject *empty_dict = 0;
+    PyObject *list;
+    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
+    if (!py_import)
+        goto bad;
+    if (from_list)
+        list = from_list;
+    else {
+        empty_list = PyList_New(0);
+        if (!empty_list)
+            goto bad;
+        list = empty_list;
+    }
+    global_dict = PyModule_GetDict(__pyx_m);
+    if (!global_dict)
+        goto bad;
+    empty_dict = PyDict_New();
+    if (!empty_dict)
+        goto bad;
+    #if PY_VERSION_HEX >= 0x02050000
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.')) {
+                /* try package relative import first */
+                PyObject *py_level = PyInt_FromLong(1);
+                if (!py_level)
+                    goto bad;
+                module = PyObject_CallFunctionObjArgs(py_import,
+                    name, global_dict, empty_dict, list, py_level, NULL);
+                Py_DECREF(py_level);
+                if (!module) {
+                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0; /* try absolute import on failure */
+        }
+        #endif
+        if (!module) {
+            PyObject *py_level = PyInt_FromLong(level);
+            if (!py_level)
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, global_dict, empty_dict, list, py_level, NULL);
+            Py_DECREF(py_level);
+        }
+    }
+    #else
+    if (level>0) {
+        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
+        goto bad;
+    }
+    module = PyObject_CallFunctionObjArgs(py_import,
+        name, global_dict, empty_dict, list, NULL);
+    #endif
+bad:
+    Py_XDECREF(empty_list);
+    Py_XDECREF(py_import);
+    Py_XDECREF(empty_dict);
+    return module;
+}
+
+static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name) {
+#if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_ImportError, "cannot import name %.230s",
+                 PyString_AsString(name));
+#else
+    PyErr_Format(PyExc_ImportError, "cannot import name %S", name);
+#endif
+}
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return ::std::complex< float >(x, y);
+    }
+  #else
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return x + y*(__pyx_t_float_complex)_Complex_I;
+    }
+  #endif
+#else
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      __pyx_t_float_complex z;
+      z.real = x;
+      z.imag = y;
+      return z;
+    }
+#endif
+
+#if CYTHON_CCOMPLEX
+#else
+    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+       return (a.real == b.real) && (a.imag == b.imag);
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real + b.real;
+        z.imag = a.imag + b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real - b.real;
+        z.imag = a.imag - b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real * b.real - a.imag * b.imag;
+        z.imag = a.real * b.imag + a.imag * b.real;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        float denom = b.real * b.real + b.imag * b.imag;
+        z.real = (a.real * b.real + a.imag * b.imag) / denom;
+        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) {
+        __pyx_t_float_complex z;
+        z.real = -a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) {
+       return (a.real == 0) && (a.imag == 0);
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) {
+        __pyx_t_float_complex z;
+        z.real =  a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    #if 1
+        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) {
+          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
+            return sqrtf(z.real*z.real + z.imag*z.imag);
+          #else
+            return hypotf(z.real, z.imag);
+          #endif
+        }
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+            __pyx_t_float_complex z;
+            float r, lnr, theta, z_r, z_theta;
+            if (b.imag == 0 && b.real == (int)b.real) {
+                if (b.real < 0) {
+                    float denom = a.real * a.real + a.imag * a.imag;
+                    a.real = a.real / denom;
+                    a.imag = -a.imag / denom;
+                    b.real = -b.real;
+                }
+                switch ((int)b.real) {
+                    case 0:
+                        z.real = 1;
+                        z.imag = 0;
+                        return z;
+                    case 1:
+                        return a;
+                    case 2:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(a, a);
+                    case 3:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(z, a);
+                    case 4:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(z, z);
+                }
+            }
+            if (a.imag == 0) {
+                if (a.real == 0) {
+                    return a;
+                }
+                r = a.real;
+                theta = 0;
+            } else {
+                r = __Pyx_c_absf(a);
+                theta = atan2f(a.imag, a.real);
+            }
+            lnr = logf(r);
+            z_r = expf(lnr * b.real - theta * b.imag);
+            z_theta = theta * b.real + lnr * b.imag;
+            z.real = z_r * cosf(z_theta);
+            z.imag = z_r * sinf(z_theta);
+            return z;
+        }
+    #endif
+#endif
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      return ::std::complex< double >(x, y);
+    }
+  #else
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      return x + y*(__pyx_t_double_complex)_Complex_I;
+    }
+  #endif
+#else
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      __pyx_t_double_complex z;
+      z.real = x;
+      z.imag = y;
+      return z;
+    }
+#endif
+
+#if CYTHON_CCOMPLEX
+#else
+    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+       return (a.real == b.real) && (a.imag == b.imag);
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real + b.real;
+        z.imag = a.imag + b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real - b.real;
+        z.imag = a.imag - b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real * b.real - a.imag * b.imag;
+        z.imag = a.real * b.imag + a.imag * b.real;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        double denom = b.real * b.real + b.imag * b.imag;
+        z.real = (a.real * b.real + a.imag * b.imag) / denom;
+        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) {
+        __pyx_t_double_complex z;
+        z.real = -a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) {
+       return (a.real == 0) && (a.imag == 0);
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) {
+        __pyx_t_double_complex z;
+        z.real =  a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    #if 1
+        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) {
+          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
+            return sqrt(z.real*z.real + z.imag*z.imag);
+          #else
+            return hypot(z.real, z.imag);
+          #endif
+        }
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+            __pyx_t_double_complex z;
+            double r, lnr, theta, z_r, z_theta;
+            if (b.imag == 0 && b.real == (int)b.real) {
+                if (b.real < 0) {
+                    double denom = a.real * a.real + a.imag * a.imag;
+                    a.real = a.real / denom;
+                    a.imag = -a.imag / denom;
+                    b.real = -b.real;
+                }
+                switch ((int)b.real) {
+                    case 0:
+                        z.real = 1;
+                        z.imag = 0;
+                        return z;
+                    case 1:
+                        return a;
+                    case 2:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(a, a);
+                    case 3:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(z, a);
+                    case 4:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(z, z);
+                }
+            }
+            if (a.imag == 0) {
+                if (a.real == 0) {
+                    return a;
+                }
+                r = a.real;
+                theta = 0;
+            } else {
+                r = __Pyx_c_abs(a);
+                theta = atan2(a.imag, a.real);
+            }
+            lnr = log(r);
+            z_r = exp(lnr * b.real - theta * b.imag);
+            z_theta = theta * b.real + lnr * b.imag;
+            z.real = z_r * cos(z_theta);
+            z.imag = z_r * sin(z_theta);
+            return z;
+        }
+    #endif
+#endif
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
+    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned char" :
+                    "value too large to convert to unsigned char");
+            }
+            return (unsigned char)-1;
+        }
+        return (unsigned char)val;
+    }
+    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
+    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned short" :
+                    "value too large to convert to unsigned short");
+            }
+            return (unsigned short)-1;
+        }
+        return (unsigned short)val;
+    }
+    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
+    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned int" :
+                    "value too large to convert to unsigned int");
+            }
+            return (unsigned int)-1;
+        }
+        return (unsigned int)val;
+    }
+    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
+    const char neg_one = (char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to char" :
+                    "value too large to convert to char");
+            }
+            return (char)-1;
+        }
+        return (char)val;
+    }
+    return (char)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
+    const short neg_one = (short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to short" :
+                    "value too large to convert to short");
+            }
+            return (short)-1;
+        }
+        return (short)val;
+    }
+    return (short)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
+    const signed char neg_one = (signed char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed char" :
+                    "value too large to convert to signed char");
+            }
+            return (signed char)-1;
+        }
+        return (signed char)val;
+    }
+    return (signed char)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
+    const signed short neg_one = (signed short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed short" :
+                    "value too large to convert to signed short");
+            }
+            return (signed short)-1;
+        }
+        return (signed short)val;
+    }
+    return (signed short)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
+    const signed int neg_one = (signed int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed int" :
+                    "value too large to convert to signed int");
+            }
+            return (signed int)-1;
+        }
+        return (signed int)val;
+    }
+    return (signed int)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
+    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned long");
+            return (unsigned long)-1;
+        }
+        return (unsigned long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned long");
+                return (unsigned long)-1;
+            }
+            return (unsigned long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (unsigned long)PyLong_AsLong(x);
+        }
+    } else {
+        unsigned long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned long)-1;
+        val = __Pyx_PyInt_AsUnsignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
+    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned PY_LONG_LONG");
+            return (unsigned PY_LONG_LONG)-1;
+        }
+        return (unsigned PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned PY_LONG_LONG");
+                return (unsigned PY_LONG_LONG)-1;
+            }
+            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        unsigned PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
+    const long neg_one = (long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to long");
+            return (long)-1;
+        }
+        return (long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to long");
+                return (long)-1;
+            }
+            return (long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (long)PyLong_AsLong(x);
+        }
+    } else {
+        long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (long)-1;
+        val = __Pyx_PyInt_AsLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
+    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to PY_LONG_LONG");
+            return (PY_LONG_LONG)-1;
+        }
+        return (PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to PY_LONG_LONG");
+                return (PY_LONG_LONG)-1;
+            }
+            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
+    const signed long neg_one = (signed long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed long");
+            return (signed long)-1;
+        }
+        return (signed long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed long");
+                return (signed long)-1;
+            }
+            return (signed long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (signed long)PyLong_AsLong(x);
+        }
+    } else {
+        signed long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed long)-1;
+        val = __Pyx_PyInt_AsSignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
+    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed PY_LONG_LONG");
+            return (signed PY_LONG_LONG)-1;
+        }
+        return (signed PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed PY_LONG_LONG");
+                return (signed PY_LONG_LONG)-1;
+            }
+            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        signed PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsSignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static int __Pyx_check_binary_version(void) {
+    char ctversion[4], rtversion[4];
+    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
+    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
+    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+        char message[200];
+        PyOS_snprintf(message, sizeof(message),
+                      "compiletime version %s of module '%.100s' "
+                      "does not match runtime version %s",
+                      ctversion, __Pyx_MODULE_NAME, rtversion);
+        #if PY_VERSION_HEX < 0x02050000
+        return PyErr_Warn(NULL, message);
+        #else
+        return PyErr_WarnEx(NULL, message, 1);
+        #endif
+    }
+    return 0;
+}
+
+#ifndef __PYX_HAVE_RT_ImportType
+#define __PYX_HAVE_RT_ImportType
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
+    size_t size, int strict)
+{
+    PyObject *py_module = 0;
+    PyObject *result = 0;
+    PyObject *py_name = 0;
+    char warning[200];
+    py_module = __Pyx_ImportModule(module_name);
+    if (!py_module)
+        goto bad;
+    py_name = __Pyx_PyIdentifier_FromString(class_name);
+    if (!py_name)
+        goto bad;
+    result = PyObject_GetAttr(py_module, py_name);
+    Py_DECREF(py_name);
+    py_name = 0;
+    Py_DECREF(py_module);
+    py_module = 0;
+    if (!result)
+        goto bad;
+    if (!PyType_Check(result)) {
+        PyErr_Format(PyExc_TypeError,
+            "%s.%s is not a type object",
+            module_name, class_name);
+        goto bad;
+    }
+    if (!strict && (size_t)((PyTypeObject *)result)->tp_basicsize > size) {
+        PyOS_snprintf(warning, sizeof(warning),
+            "%s.%s size changed, may indicate binary incompatibility",
+            module_name, class_name);
+        #if PY_VERSION_HEX < 0x02050000
+        if (PyErr_Warn(NULL, warning) < 0) goto bad;
+        #else
+        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
+        #endif
+    }
+    else if ((size_t)((PyTypeObject *)result)->tp_basicsize != size) {
+        PyErr_Format(PyExc_ValueError,
+            "%s.%s has the wrong size, try recompiling",
+            module_name, class_name);
+        goto bad;
+    }
+    return (PyTypeObject *)result;
+bad:
+    Py_XDECREF(py_module);
+    Py_XDECREF(result);
+    return NULL;
+}
+#endif
+
+#ifndef __PYX_HAVE_RT_ImportModule
+#define __PYX_HAVE_RT_ImportModule
+static PyObject *__Pyx_ImportModule(const char *name) {
+    PyObject *py_name = 0;
+    PyObject *py_module = 0;
+    py_name = __Pyx_PyIdentifier_FromString(name);
+    if (!py_name)
+        goto bad;
+    py_module = PyImport_Import(py_name);
+    Py_DECREF(py_name);
+    return py_module;
+bad:
+    Py_XDECREF(py_name);
+    return 0;
+}
+#endif
+
+static void* __Pyx_GetVtable(PyObject *dict) {
+    void* ptr;
+    PyObject *ob = PyMapping_GetItemString(dict, (char *)"__pyx_vtable__");
+    if (!ob)
+        goto bad;
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    ptr = PyCapsule_GetPointer(ob, 0);
+#else
+    ptr = PyCObject_AsVoidPtr(ob);
+#endif
+    if (!ptr && !PyErr_Occurred())
+        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
+    Py_DECREF(ob);
+    return ptr;
+bad:
+    Py_XDECREF(ob);
+    return NULL;
+}
+
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+    int start = 0, mid = 0, end = count - 1;
+    if (end >= 0 && code_line > entries[end].code_line) {
+        return count;
+    }
+    while (start < end) {
+        mid = (start + end) / 2;
+        if (code_line < entries[mid].code_line) {
+            end = mid;
+        } else if (code_line > entries[mid].code_line) {
+             start = mid + 1;
+        } else {
+            return mid;
+        }
+    }
+    if (code_line <= entries[mid].code_line) {
+        return mid;
+    } else {
+        return mid + 1;
+    }
+}
+static PyCodeObject *__pyx_find_code_object(int code_line) {
+    PyCodeObject* code_object;
+    int pos;
+    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
+        return NULL;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
+        return NULL;
+    }
+    code_object = __pyx_code_cache.entries[pos].code_object;
+    Py_INCREF(code_object);
+    return code_object;
+}
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
+    int pos, i;
+    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
+    if (unlikely(!code_line)) {
+        return;
+    }
+    if (unlikely(!entries)) {
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (likely(entries)) {
+            __pyx_code_cache.entries = entries;
+            __pyx_code_cache.max_count = 64;
+            __pyx_code_cache.count = 1;
+            entries[0].code_line = code_line;
+            entries[0].code_object = code_object;
+            Py_INCREF(code_object);
+        }
+        return;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
+        PyCodeObject* tmp = entries[pos].code_object;
+        entries[pos].code_object = code_object;
+        Py_DECREF(tmp);
+        return;
+    }
+    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
+        int new_max = __pyx_code_cache.max_count + 64;
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
+            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (unlikely(!entries)) {
+            return;
+        }
+        __pyx_code_cache.entries = entries;
+        __pyx_code_cache.max_count = new_max;
+    }
+    for (i=__pyx_code_cache.count; i>pos; i--) {
+        entries[i] = entries[i-1];
+    }
+    entries[pos].code_line = code_line;
+    entries[pos].code_object = code_object;
+    __pyx_code_cache.count++;
+    Py_INCREF(code_object);
+}
+
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
+            const char *funcname, int c_line,
+            int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_srcfile = 0;
+    PyObject *py_funcname = 0;
+    #if PY_MAJOR_VERSION < 3
+    py_srcfile = PyString_FromString(filename);
+    #else
+    py_srcfile = PyUnicode_FromString(filename);
+    #endif
+    if (!py_srcfile) goto bad;
+    if (c_line) {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #else
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #endif
+    }
+    else {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromString(funcname);
+        #else
+        py_funcname = PyUnicode_FromString(funcname);
+        #endif
+    }
+    if (!py_funcname) goto bad;
+    py_code = __Pyx_PyCode_New(
+        0,            /*int argcount,*/
+        0,            /*int kwonlyargcount,*/
+        0,            /*int nlocals,*/
+        0,            /*int stacksize,*/
+        0,            /*int flags,*/
+        __pyx_empty_bytes, /*PyObject *code,*/
+        __pyx_empty_tuple, /*PyObject *consts,*/
+        __pyx_empty_tuple, /*PyObject *names,*/
+        __pyx_empty_tuple, /*PyObject *varnames,*/
+        __pyx_empty_tuple, /*PyObject *freevars,*/
+        __pyx_empty_tuple, /*PyObject *cellvars,*/
+        py_srcfile,   /*PyObject *filename,*/
+        py_funcname,  /*PyObject *name,*/
+        py_line,      /*int firstlineno,*/
+        __pyx_empty_bytes  /*PyObject *lnotab*/
+    );
+    Py_DECREF(py_srcfile);
+    Py_DECREF(py_funcname);
+    return py_code;
+bad:
+    Py_XDECREF(py_srcfile);
+    Py_XDECREF(py_funcname);
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_globals = 0;
+    PyFrameObject *py_frame = 0;
+    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
+    if (!py_code) {
+        py_code = __Pyx_CreateCodeObjectForTraceback(
+            funcname, c_line, py_line, filename);
+        if (!py_code) goto bad;
+        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
+    }
+    py_globals = PyModule_GetDict(__pyx_m);
+    if (!py_globals) goto bad;
+    py_frame = PyFrame_New(
+        PyThreadState_GET(), /*PyThreadState *tstate,*/
+        py_code,             /*PyCodeObject *code,*/
+        py_globals,          /*PyObject *globals,*/
+        0                    /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    py_frame->f_lineno = py_line;
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+    while (t->p) {
+        #if PY_MAJOR_VERSION < 3
+        if (t->is_unicode) {
+            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
+        } else if (t->intern) {
+            *t->p = PyString_InternFromString(t->s);
+        } else {
+            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
+        }
+        #else  /* Python 3+ has unicode identifiers */
+        if (t->is_unicode | t->is_str) {
+            if (t->intern) {
+                *t->p = PyUnicode_InternFromString(t->s);
+            } else if (t->encoding) {
+                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
+            } else {
+                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
+            }
+        } else {
+            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
+        }
+        #endif
+        if (!*t->p)
+            return -1;
+        ++t;
+    }
+    return 0;
+}
+
+
+/* Type Conversion Functions */
+
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   int is_true = x == Py_True;
+   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
+   else return PyObject_IsTrue(x);
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
+  PyNumberMethods *m;
+  const char *name = NULL;
+  PyObject *res = NULL;
+#if PY_VERSION_HEX < 0x03000000
+  if (PyInt_Check(x) || PyLong_Check(x))
+#else
+  if (PyLong_Check(x))
+#endif
+    return Py_INCREF(x), x;
+  m = Py_TYPE(x)->tp_as_number;
+#if PY_VERSION_HEX < 0x03000000
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Int(x);
+  }
+  else if (m && m->nb_long) {
+    name = "long";
+    res = PyNumber_Long(x);
+  }
+#else
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Long(x);
+  }
+#endif
+  if (res) {
+#if PY_VERSION_HEX < 0x03000000
+    if (!PyInt_Check(res) && !PyLong_Check(res)) {
+#else
+    if (!PyLong_Check(res)) {
+#endif
+      PyErr_Format(PyExc_TypeError,
+                   "__%s__ returned non-%s (type %.200s)",
+                   name, name, Py_TYPE(res)->tp_name);
+      Py_DECREF(res);
+      return NULL;
+    }
+  }
+  else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_TypeError,
+                    "an integer is required");
+  }
+  return res;
+}
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject* x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyInt_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
+#if PY_VERSION_HEX < 0x02050000
+   if (ival <= LONG_MAX)
+       return PyInt_FromLong((long)ival);
+   else {
+       unsigned char *bytes = (unsigned char *) &ival;
+       int one = 1; int little = (int)*(unsigned char*)&one;
+       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
+   }
+#else
+   return PyInt_FromSize_t(ival);
+#endif
+}
+
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
+   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
+   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
+       return (size_t)-1;
+   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
+       PyErr_SetString(PyExc_OverflowError,
+                       "value too large to convert to size_t");
+       return (size_t)-1;
+   }
+   return (size_t)val;
+}
+
+
+#endif /* Py_PYTHON_H */
diff --git a/simpl/partial_tracking.pxd b/simpl/partial_tracking.pxd
new file mode 100644
index 0000000..972d6dd
--- /dev/null
+++ b/simpl/partial_tracking.pxd
@@ -0,0 +1,26 @@
+import numpy as np
+cimport numpy as np
+np.import_array()
+from libcpp.vector cimport vector
+
+from base cimport c_Peak
+from base cimport c_Frame
+from base cimport string
+from base cimport dtype_t
+from base import dtype
+
+
+cdef extern from "../src/simpl/partial_tracking.h" namespace "simpl":
+    cdef cppclass c_PartialTracking "simpl::PartialTracking":
+        c_PartialTracking()
+        void clear()
+        int sampling_rate()
+        void sampling_rate(int new_sampling_rate)
+        int max_partials()
+        void max_partials(int new_max_partials)
+        int min_partial_length()
+        void min_partial_length(int new_min_partial_length)
+        int max_gap()
+        void max_gap(int new_max_gap)
+        vector[c_Peak*] update_partials(c_Frame* frame)
+        vector[c_Frame*] find_partials(vector[c_Frame*] frames)
diff --git a/simpl/partial_tracking.pyx b/simpl/partial_tracking.pyx
new file mode 100644
index 0000000..feb6360
--- /dev/null
+++ b/simpl/partial_tracking.pyx
@@ -0,0 +1,56 @@
+import numpy as np
+cimport numpy as np
+np.import_array()
+from libcpp.vector cimport vector
+
+from base cimport Peak
+from base cimport Frame
+from base cimport c_Peak
+from base cimport c_Frame
+
+
+cdef class PartialTracking:
+    cdef c_PartialTracking* thisptr
+
+    def __cinit__(self): self.thisptr = new c_PartialTracking()
+    def __dealloc__(self): del self.thisptr
+
+    def clear(self):
+        self.thisptr.clear()
+
+    property sampling_rate:
+        def __get__(self): return self.thisptr.sampling_rate()
+        def __set__(self, int i): self.thisptr.sampling_rate(i)
+
+    property max_partials:
+        def __get__(self): return self.thisptr.max_partials()
+        def __set__(self, int i): self.thisptr.max_partials(i)
+
+    property min_partial_length:
+        def __get__(self): return self.thisptr.min_partial_length()
+        def __set__(self, int i): self.thisptr.min_partial_length(i)
+
+    property max_gap:
+        def __get__(self): return self.thisptr.max_gap()
+        def __set__(self, int i): self.thisptr.max_gap(i)
+
+    def update_partials(self, Frame frame not None):
+        peaks = []
+        cdef vector[c_Peak*] c_peaks = self.thisptr.update_partials(frame.thisptr)
+        for i in range(c_peaks.size()):
+            peak = Peak(False)
+            peak.set_peak(c_peaks[i])
+            peaks.append(peak)
+        return peaks
+
+    def find_partials(self, frames):
+        partial_frames = []
+        cdef vector[c_Frame*] c_frames
+        for frame in frames:
+            c_frames.push_back((<Frame>frame).thisptr)
+        cdef vector[c_Frame*] output_frames = self.thisptr.find_partials(c_frames)
+        for i in range(output_frames.size()):
+            f = Frame(output_frames[i].size(), False)
+            f.set_frame(output_frames[i])
+            partial_frames.append(f)
+        return partial_frames
diff --git a/simpl/peak_detection.cpp b/simpl/peak_detection.cpp
new file mode 100644
index 0000000..46e702b
--- /dev/null
+++ b/simpl/peak_detection.cpp
@@ -0,0 +1,7500 @@
+/* Generated by Cython 0.16 on Sat Jun 30 10:29:13 2012 */
+
+#define PY_SSIZE_T_CLEAN
+#include "Python.h"
+#ifndef Py_PYTHON_H
+    #error Python headers needed to compile C extensions, please install development version of Python.
+#elif PY_VERSION_HEX < 0x02040000
+    #error Cython requires Python 2.4+.
+#else
+#include <stddef.h> /* For offsetof */
+#ifndef offsetof
+#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
+#endif
+
+#if !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+  #ifndef __fastcall
+    #define __fastcall
+  #endif
+#endif
+
+#ifndef DL_IMPORT
+  #define DL_IMPORT(t) t
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+
+#ifndef Py_HUGE_VAL
+  #define Py_HUGE_VAL HUGE_VAL
+#endif
+
+#ifdef PYPY_VERSION
+#define CYTHON_COMPILING_IN_PYPY 1
+#define CYTHON_COMPILING_IN_CPYTHON 0
+#else
+#define CYTHON_COMPILING_IN_PYPY 0
+#define CYTHON_COMPILING_IN_CPYTHON 1
+#endif
+
+#if CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyCFunction_Call PyObject_Call
+#else
+  #define __Pyx_PyCFunction_Call PyCFunction_Call
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  typedef int Py_ssize_t;
+  #define PY_SSIZE_T_MAX INT_MAX
+  #define PY_SSIZE_T_MIN INT_MIN
+  #define PY_FORMAT_SIZE_T ""
+  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
+  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
+  #define PyNumber_Index(o)    PyNumber_Int(o)
+  #define PyIndex_Check(o)     PyNumber_Check(o)
+  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
+  #define __PYX_BUILD_PY_SSIZE_T "i"
+#else
+  #define __PYX_BUILD_PY_SSIZE_T "n"
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
+  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
+  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
+  #define PyVarObject_HEAD_INIT(type, size) \
+          PyObject_HEAD_INIT(type) size,
+  #define PyType_Modified(t)
+
+  typedef struct {
+     void *buf;
+     PyObject *obj;
+     Py_ssize_t len;
+     Py_ssize_t itemsize;
+     int readonly;
+     int ndim;
+     char *format;
+     Py_ssize_t *shape;
+     Py_ssize_t *strides;
+     Py_ssize_t *suboffsets;
+     void *internal;
+  } Py_buffer;
+
+  #define PyBUF_SIMPLE 0
+  #define PyBUF_WRITABLE 0x0001
+  #define PyBUF_FORMAT 0x0004
+  #define PyBUF_ND 0x0008
+  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
+  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
+  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
+  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
+  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
+  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
+  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
+
+  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
+  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
+#endif
+
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#else
+  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#endif
+
+#if PY_MAJOR_VERSION < 3 && PY_MINOR_VERSION < 6
+  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define Py_TPFLAGS_CHECKTYPES 0
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+
+#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
+  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
+#endif
+
+
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_GET_LENGTH)
+  #define CYTHON_PEP393_ENABLED 1
+  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+#else
+  #define CYTHON_PEP393_ENABLED 0
+  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBaseString_Type            PyUnicode_Type
+  #define PyStringObject               PyUnicodeObject
+  #define PyString_Type                PyUnicode_Type
+  #define PyString_Check               PyUnicode_Check
+  #define PyString_CheckExact          PyUnicode_CheckExact
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PyBytesObject                PyStringObject
+  #define PyBytes_Type                 PyString_Type
+  #define PyBytes_Check                PyString_Check
+  #define PyBytes_CheckExact           PyString_CheckExact
+  #define PyBytes_FromString           PyString_FromString
+  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
+  #define PyBytes_FromFormat           PyString_FromFormat
+  #define PyBytes_DecodeEscape         PyString_DecodeEscape
+  #define PyBytes_AsString             PyString_AsString
+  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
+  #define PyBytes_Size                 PyString_Size
+  #define PyBytes_AS_STRING            PyString_AS_STRING
+  #define PyBytes_GET_SIZE             PyString_GET_SIZE
+  #define PyBytes_Repr                 PyString_Repr
+  #define PyBytes_Concat               PyString_Concat
+  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
+  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
+#endif
+
+#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyIntObject                  PyLongObject
+  #define PyInt_Type                   PyLong_Type
+  #define PyInt_Check(op)              PyLong_Check(op)
+  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define PyInt_FromString             PyLong_FromString
+  #define PyInt_FromUnicode            PyLong_FromUnicode
+  #define PyInt_FromLong               PyLong_FromLong
+  #define PyInt_FromSize_t             PyLong_FromSize_t
+  #define PyInt_FromSsize_t            PyLong_FromSsize_t
+  #define PyInt_AsLong                 PyLong_AsLong
+  #define PyInt_AS_LONG                PyLong_AS_LONG
+  #define PyInt_AsSsize_t              PyLong_AsSsize_t
+  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
+  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBoolObject                 PyLongObject
+#endif
+
+#if PY_VERSION_HEX < 0x03020000
+  typedef long Py_hash_t;
+  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+#else
+  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
+#endif
+
+#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
+  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
+  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
+#else
+  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
+  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
+#else
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_NAMESTR(n) ((char *)(n))
+  #define __Pyx_DOCSTR(n)  ((char *)(n))
+#else
+  #define __Pyx_NAMESTR(n) (n)
+  #define __Pyx_DOCSTR(n)  (n)
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
+#else
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
+#endif
+
+#ifndef __PYX_EXTERN_C
+  #ifdef __cplusplus
+    #define __PYX_EXTERN_C extern "C"
+  #else
+    #define __PYX_EXTERN_C extern
+  #endif
+#endif
+
+#if defined(WIN32) || defined(MS_WINDOWS)
+#define _USE_MATH_DEFINES
+#endif
+#include <math.h>
+#define __PYX_HAVE__simpl__peak_detection
+#define __PYX_HAVE_API__simpl__peak_detection
+#include "stdio.h"
+#include "stdlib.h"
+#include "numpy/arrayobject.h"
+#include "numpy/ufuncobject.h"
+#include <vector>
+#include <string>
+#include "../src/simpl/base.h"
+#include "../src/simpl/peak_detection.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif /* _OPENMP */
+
+#ifdef PYREX_WITHOUT_ASSERTIONS
+#define CYTHON_WITHOUT_ASSERTIONS
+#endif
+
+
+/* inline attribute */
+#ifndef CYTHON_INLINE
+  #if defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+
+/* unused attribute */
+#ifndef CYTHON_UNUSED
+# if defined(__GNUC__)
+#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#     define CYTHON_UNUSED __attribute__ ((__unused__))
+#   else
+#     define CYTHON_UNUSED
+#   endif
+# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
+#   define CYTHON_UNUSED __attribute__ ((__unused__))
+# else
+#   define CYTHON_UNUSED
+# endif
+#endif
+
+typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
+
+
+/* Type Conversion Predeclarations */
+
+#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s)
+#define __Pyx_PyBytes_AsUString(s)   ((unsigned char*) PyBytes_AsString(s))
+
+#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
+#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
+
+#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
+
+#ifdef __GNUC__
+  /* Test for GCC > 2.95 */
+  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
+    #define likely(x)   __builtin_expect(!!(x), 1)
+    #define unlikely(x) __builtin_expect(!!(x), 0)
+  #else /* __GNUC__ > 2 ... */
+    #define likely(x)   (x)
+    #define unlikely(x) (x)
+  #endif /* __GNUC__ > 2 ... */
+#else /* __GNUC__ */
+  #define likely(x)   (x)
+  #define unlikely(x) (x)
+#endif /* __GNUC__ */
+    
+static PyObject *__pyx_m;
+static PyObject *__pyx_b;
+static PyObject *__pyx_empty_tuple;
+static PyObject *__pyx_empty_bytes;
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * __pyx_cfilenm= __FILE__;
+static const char *__pyx_filename;
+
+#if !defined(CYTHON_CCOMPLEX)
+  #if defined(__cplusplus)
+    #define CYTHON_CCOMPLEX 1
+  #elif defined(_Complex_I)
+    #define CYTHON_CCOMPLEX 1
+  #else
+    #define CYTHON_CCOMPLEX 0
+  #endif
+#endif
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    #include <complex>
+  #else
+    #include <complex.h>
+  #endif
+#endif
+#if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
+  #undef _Complex_I
+  #define _Complex_I 1.0fj
+#endif
+
+
+static const char *__pyx_f[] = {
+  "peak_detection.pyx",
+  "numpy.pxd",
+  "base.pxd",
+};
+#define IS_UNSIGNED(type) (((type) -1) > 0)
+struct __Pyx_StructField_;
+#define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
+typedef struct {
+  const char* name; /* for error messages only */
+  struct __Pyx_StructField_* fields;
+  size_t size;     /* sizeof(type) */
+  size_t arraysize[8]; /* length of array in each dimension */
+  int ndim;
+  char typegroup; /* _R_eal, _C_omplex, Signed _I_nt, _U_nsigned int, _S_truct, _P_ointer, _O_bject */
+  char is_unsigned;
+  int flags;
+} __Pyx_TypeInfo;
+typedef struct __Pyx_StructField_ {
+  __Pyx_TypeInfo* type;
+  const char* name;
+  size_t offset;
+} __Pyx_StructField;
+typedef struct {
+  __Pyx_StructField* field;
+  size_t parent_offset;
+} __Pyx_BufFmt_StackElem;
+typedef struct {
+  __Pyx_StructField root;
+  __Pyx_BufFmt_StackElem* head;
+  size_t fmt_offset;
+  size_t new_count, enc_count;
+  size_t struct_alignment;
+  int is_complex;
+  char enc_type;
+  char new_packmode;
+  char enc_packmode;
+  char is_valid_array;
+} __Pyx_BufFmt_Context;
+
+
+/* "numpy.pxd":722
+ * # in Cython to enable them only on the right systems.
+ * 
+ * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t
+ */
+typedef npy_int8 __pyx_t_5numpy_int8_t;
+
+/* "numpy.pxd":723
+ * 
+ * ctypedef npy_int8       int8_t
+ * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int32      int32_t
+ * ctypedef npy_int64      int64_t
+ */
+typedef npy_int16 __pyx_t_5numpy_int16_t;
+
+/* "numpy.pxd":724
+ * ctypedef npy_int8       int8_t
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int64      int64_t
+ * #ctypedef npy_int96      int96_t
+ */
+typedef npy_int32 __pyx_t_5numpy_int32_t;
+
+/* "numpy.pxd":725
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t
+ * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_int96      int96_t
+ * #ctypedef npy_int128     int128_t
+ */
+typedef npy_int64 __pyx_t_5numpy_int64_t;
+
+/* "numpy.pxd":729
+ * #ctypedef npy_int128     int128_t
+ * 
+ * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t
+ */
+typedef npy_uint8 __pyx_t_5numpy_uint8_t;
+
+/* "numpy.pxd":730
+ * 
+ * ctypedef npy_uint8      uint8_t
+ * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint32     uint32_t
+ * ctypedef npy_uint64     uint64_t
+ */
+typedef npy_uint16 __pyx_t_5numpy_uint16_t;
+
+/* "numpy.pxd":731
+ * ctypedef npy_uint8      uint8_t
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint64     uint64_t
+ * #ctypedef npy_uint96     uint96_t
+ */
+typedef npy_uint32 __pyx_t_5numpy_uint32_t;
+
+/* "numpy.pxd":732
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t
+ * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_uint96     uint96_t
+ * #ctypedef npy_uint128    uint128_t
+ */
+typedef npy_uint64 __pyx_t_5numpy_uint64_t;
+
+/* "numpy.pxd":736
+ * #ctypedef npy_uint128    uint128_t
+ * 
+ * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_float64    float64_t
+ * #ctypedef npy_float80    float80_t
+ */
+typedef npy_float32 __pyx_t_5numpy_float32_t;
+
+/* "numpy.pxd":737
+ * 
+ * ctypedef npy_float32    float32_t
+ * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_float80    float80_t
+ * #ctypedef npy_float128   float128_t
+ */
+typedef npy_float64 __pyx_t_5numpy_float64_t;
+
+/* "numpy.pxd":746
+ * # The int types are mapped a bit surprising --
+ * # numpy.int corresponds to 'l' and numpy.long to 'q'
+ * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longlong   long_t
+ * ctypedef npy_longlong   longlong_t
+ */
+typedef npy_long __pyx_t_5numpy_int_t;
+
+/* "numpy.pxd":747
+ * # numpy.int corresponds to 'l' and numpy.long to 'q'
+ * ctypedef npy_long       int_t
+ * ctypedef npy_longlong   long_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longlong   longlong_t
+ * 
+ */
+typedef npy_longlong __pyx_t_5numpy_long_t;
+
+/* "numpy.pxd":748
+ * ctypedef npy_long       int_t
+ * ctypedef npy_longlong   long_t
+ * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_ulong      uint_t
+ */
+typedef npy_longlong __pyx_t_5numpy_longlong_t;
+
+/* "numpy.pxd":750
+ * ctypedef npy_longlong   longlong_t
+ * 
+ * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_ulonglong  ulong_t
+ * ctypedef npy_ulonglong  ulonglong_t
+ */
+typedef npy_ulong __pyx_t_5numpy_uint_t;
+
+/* "numpy.pxd":751
+ * 
+ * ctypedef npy_ulong      uint_t
+ * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_ulonglong  ulonglong_t
+ * 
+ */
+typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
+
+/* "numpy.pxd":752
+ * ctypedef npy_ulong      uint_t
+ * ctypedef npy_ulonglong  ulong_t
+ * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_intp       intp_t
+ */
+typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;
+
+/* "numpy.pxd":754
+ * ctypedef npy_ulonglong  ulonglong_t
+ * 
+ * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uintp      uintp_t
+ * 
+ */
+typedef npy_intp __pyx_t_5numpy_intp_t;
+
+/* "numpy.pxd":755
+ * 
+ * ctypedef npy_intp       intp_t
+ * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_double     float_t
+ */
+typedef npy_uintp __pyx_t_5numpy_uintp_t;
+
+/* "numpy.pxd":757
+ * ctypedef npy_uintp      uintp_t
+ * 
+ * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_double     double_t
+ * ctypedef npy_longdouble longdouble_t
+ */
+typedef npy_double __pyx_t_5numpy_float_t;
+
+/* "numpy.pxd":758
+ * 
+ * ctypedef npy_double     float_t
+ * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longdouble longdouble_t
+ * 
+ */
+typedef npy_double __pyx_t_5numpy_double_t;
+
+/* "numpy.pxd":759
+ * ctypedef npy_double     float_t
+ * ctypedef npy_double     double_t
+ * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_cfloat      cfloat_t
+ */
+typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
+
+/* "base.pxd":8
+ * 
+ * dtype = np.float64
+ * ctypedef np.double_t dtype_t             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+typedef __pyx_t_5numpy_double_t __pyx_t_5simpl_4base_dtype_t;
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    typedef ::std::complex< float > __pyx_t_float_complex;
+  #else
+    typedef float _Complex __pyx_t_float_complex;
+  #endif
+#else
+    typedef struct { float real, imag; } __pyx_t_float_complex;
+#endif
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    typedef ::std::complex< double > __pyx_t_double_complex;
+  #else
+    typedef double _Complex __pyx_t_double_complex;
+  #endif
+#else
+    typedef struct { double real, imag; } __pyx_t_double_complex;
+#endif
+
+
+/*--- Type declarations ---*/
+struct __pyx_obj_5simpl_14peak_detection_PeakDetection;
+struct __pyx_obj_5simpl_4base_Frame;
+struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection;
+struct __pyx_obj_5simpl_4base_Peak;
+
+/* "numpy.pxd":761
+ * ctypedef npy_longdouble longdouble_t
+ * 
+ * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_cdouble     cdouble_t
+ * ctypedef npy_clongdouble clongdouble_t
+ */
+typedef npy_cfloat __pyx_t_5numpy_cfloat_t;
+
+/* "numpy.pxd":762
+ * 
+ * ctypedef npy_cfloat      cfloat_t
+ * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_clongdouble clongdouble_t
+ * 
+ */
+typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
+
+/* "numpy.pxd":763
+ * ctypedef npy_cfloat      cfloat_t
+ * ctypedef npy_cdouble     cdouble_t
+ * ctypedef npy_clongdouble clongdouble_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_cdouble     complex_t
+ */
+typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
+
+/* "numpy.pxd":765
+ * ctypedef npy_clongdouble clongdouble_t
+ * 
+ * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):
+ */
+typedef npy_cdouble __pyx_t_5numpy_complex_t;
+
+/* "simpl/peak_detection.pyx":12
+ * 
+ * 
+ * cdef class PeakDetection:             # <<<<<<<<<<<<<<
+ *     cdef c_PeakDetection* thisptr
+ * 
+ */
+struct __pyx_obj_5simpl_14peak_detection_PeakDetection {
+  PyObject_HEAD
+  simpl::PeakDetection *thisptr;
+};
+
+
+/* "base.pxd":17
+ * 
+ * 
+ * cdef class Frame:             # <<<<<<<<<<<<<<
+ *     cdef c_Frame* thisptr
+ *     cdef int created
+ */
+struct __pyx_obj_5simpl_4base_Frame {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5simpl_4base_Frame *__pyx_vtab;
+  simpl::Frame *thisptr;
+  int created;
+};
+
+
+/* "simpl/peak_detection.pyx":88
+ * 
+ * 
+ * cdef class SMSPeakDetection(PeakDetection):             # <<<<<<<<<<<<<<
+ *     def __cinit__(self):
+ *         if self.thisptr:
+ */
+struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection {
+  struct __pyx_obj_5simpl_14peak_detection_PeakDetection __pyx_base;
+};
+
+
+/* "base.pxd":11
+ * 
+ * 
+ * cdef class Peak:             # <<<<<<<<<<<<<<
+ *     cdef c_Peak* thisptr
+ *     cdef int created
+ */
+struct __pyx_obj_5simpl_4base_Peak {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5simpl_4base_Peak *__pyx_vtab;
+  simpl::Peak *thisptr;
+  int created;
+};
+
+
+
+struct __pyx_vtabstruct_5simpl_4base_Peak {
+  PyObject *(*set_peak)(struct __pyx_obj_5simpl_4base_Peak *, simpl::Peak *);
+};
+static struct __pyx_vtabstruct_5simpl_4base_Peak *__pyx_vtabptr_5simpl_4base_Peak;
+
+
+/* "base.pxd":17
+ * 
+ * 
+ * cdef class Frame:             # <<<<<<<<<<<<<<
+ *     cdef c_Frame* thisptr
+ *     cdef int created
+ */
+
+struct __pyx_vtabstruct_5simpl_4base_Frame {
+  PyObject *(*set_frame)(struct __pyx_obj_5simpl_4base_Frame *, simpl::Frame *);
+};
+static struct __pyx_vtabstruct_5simpl_4base_Frame *__pyx_vtabptr_5simpl_4base_Frame;
+#ifndef CYTHON_REFNANNY
+  #define CYTHON_REFNANNY 0
+#endif
+#if CYTHON_REFNANNY
+  typedef struct {
+    void (*INCREF)(void*, PyObject*, int);
+    void (*DECREF)(void*, PyObject*, int);
+    void (*GOTREF)(void*, PyObject*, int);
+    void (*GIVEREF)(void*, PyObject*, int);
+    void* (*SetupContext)(const char*, int, const char*);
+    void (*FinishContext)(void**);
+  } __Pyx_RefNannyAPIStruct;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); /*proto*/
+  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
+#ifdef WITH_THREAD
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          if (acquire_gil) { \
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure(); \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+              PyGILState_Release(__pyx_gilstate_save); \
+          } else { \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+          }
+#else
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
+#endif
+  #define __Pyx_RefNannyFinishContext() \
+          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
+#else
+  #define __Pyx_RefNannyDeclarations
+  #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContext()
+  #define __Pyx_INCREF(r) Py_INCREF(r)
+  #define __Pyx_DECREF(r) Py_DECREF(r)
+  #define __Pyx_GOTREF(r)
+  #define __Pyx_GIVEREF(r)
+  #define __Pyx_XINCREF(r) Py_XINCREF(r)
+  #define __Pyx_XDECREF(r) Py_XDECREF(r)
+  #define __Pyx_XGOTREF(r)
+  #define __Pyx_XGIVEREF(r)
+#endif /* CYTHON_REFNANNY */
+#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
+#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name); /*proto*/
+
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact); /*proto*/
+
+static CYTHON_INLINE int  __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj,
+    __Pyx_TypeInfo* dtype, int flags, int nd, int cast, __Pyx_BufFmt_StackElem* stack);
+static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info);
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
+
+static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level); /*proto*/
+
+static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name);
+
+typedef struct {
+  Py_ssize_t shape, strides, suboffsets;
+} __Pyx_Buf_DimInfo;
+typedef struct {
+  size_t refcount;
+  Py_buffer pybuffer;
+} __Pyx_Buffer;
+typedef struct {
+  __Pyx_Buffer *rcbuffer;
+  char *data;
+  __Pyx_Buf_DimInfo diminfo[8];
+} __Pyx_LocalBuf_ND;
+
+#if PY_MAJOR_VERSION < 3
+    static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags);
+    static void __Pyx_ReleaseBuffer(Py_buffer *view);
+#else
+    #define __Pyx_GetBuffer PyObject_GetBuffer
+    #define __Pyx_ReleaseBuffer PyBuffer_Release
+#endif
+
+static Py_ssize_t __Pyx_zeros[] = {0, 0, 0, 0, 0, 0, 0, 0};
+static Py_ssize_t __Pyx_minusones[] = {-1, -1, -1, -1, -1, -1, -1, -1};
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    #define __Pyx_CREAL(z) ((z).real())
+    #define __Pyx_CIMAG(z) ((z).imag())
+  #else
+    #define __Pyx_CREAL(z) (__real__(z))
+    #define __Pyx_CIMAG(z) (__imag__(z))
+  #endif
+#else
+    #define __Pyx_CREAL(z) ((z).real)
+    #define __Pyx_CIMAG(z) ((z).imag)
+#endif
+#if defined(_WIN32) && defined(__cplusplus) && CYTHON_CCOMPLEX
+    #define __Pyx_SET_CREAL(z,x) ((z).real(x))
+    #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
+#else
+    #define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
+    #define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
+#endif
+
+static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
+
+#if CYTHON_CCOMPLEX
+    #define __Pyx_c_eqf(a, b)   ((a)==(b))
+    #define __Pyx_c_sumf(a, b)  ((a)+(b))
+    #define __Pyx_c_difff(a, b) ((a)-(b))
+    #define __Pyx_c_prodf(a, b) ((a)*(b))
+    #define __Pyx_c_quotf(a, b) ((a)/(b))
+    #define __Pyx_c_negf(a)     (-(a))
+  #ifdef __cplusplus
+    #define __Pyx_c_is_zerof(z) ((z)==(float)0)
+    #define __Pyx_c_conjf(z)    (::std::conj(z))
+    #if 1
+        #define __Pyx_c_absf(z)     (::std::abs(z))
+        #define __Pyx_c_powf(a, b)  (::std::pow(a, b))
+    #endif
+  #else
+    #define __Pyx_c_is_zerof(z) ((z)==0)
+    #define __Pyx_c_conjf(z)    (conjf(z))
+    #if 1
+        #define __Pyx_c_absf(z)     (cabsf(z))
+        #define __Pyx_c_powf(a, b)  (cpowf(a, b))
+    #endif
+ #endif
+#else
+    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex);
+    #if 1
+        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex);
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex, __pyx_t_float_complex);
+    #endif
+#endif
+
+static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
+
+#if CYTHON_CCOMPLEX
+    #define __Pyx_c_eq(a, b)   ((a)==(b))
+    #define __Pyx_c_sum(a, b)  ((a)+(b))
+    #define __Pyx_c_diff(a, b) ((a)-(b))
+    #define __Pyx_c_prod(a, b) ((a)*(b))
+    #define __Pyx_c_quot(a, b) ((a)/(b))
+    #define __Pyx_c_neg(a)     (-(a))
+  #ifdef __cplusplus
+    #define __Pyx_c_is_zero(z) ((z)==(double)0)
+    #define __Pyx_c_conj(z)    (::std::conj(z))
+    #if 1
+        #define __Pyx_c_abs(z)     (::std::abs(z))
+        #define __Pyx_c_pow(a, b)  (::std::pow(a, b))
+    #endif
+  #else
+    #define __Pyx_c_is_zero(z) ((z)==0)
+    #define __Pyx_c_conj(z)    (conj(z))
+    #if 1
+        #define __Pyx_c_abs(z)     (cabs(z))
+        #define __Pyx_c_pow(a, b)  (cpow(a, b))
+    #endif
+ #endif
+#else
+    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex);
+    #if 1
+        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex);
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex, __pyx_t_double_complex);
+    #endif
+#endif
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);
+
+static int __Pyx_check_binary_version(void);
+
+#if !defined(__Pyx_PyIdentifier_FromString)
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
+#else
+  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
+#endif
+#endif
+
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);  /*proto*/
+
+static PyObject *__Pyx_ImportModule(const char *name); /*proto*/
+
+static void* __Pyx_GetVtable(PyObject *dict); /*proto*/
+
+typedef struct {
+    int code_line;
+    PyCodeObject* code_object;
+} __Pyx_CodeObjectCacheEntry;
+struct __Pyx_CodeObjectCache {
+    int count;
+    int max_count;
+    __Pyx_CodeObjectCacheEntry* entries;
+};
+static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
+static PyCodeObject *__pyx_find_code_object(int code_line);
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename); /*proto*/
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
+
+
+/* Module declarations from 'cpython.buffer' */
+
+/* Module declarations from 'cpython.ref' */
+
+/* Module declarations from 'libc.stdio' */
+
+/* Module declarations from 'cpython.object' */
+
+/* Module declarations from 'libc.stdlib' */
+
+/* Module declarations from 'numpy' */
+
+/* Module declarations from 'numpy' */
+static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
+static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
+static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
+static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
+static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
+static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/
+
+/* Module declarations from 'libcpp.vector' */
+
+/* Module declarations from 'simpl.base' */
+static PyTypeObject *__pyx_ptype_5simpl_4base_Peak = 0;
+static PyTypeObject *__pyx_ptype_5simpl_4base_Frame = 0;
+
+/* Module declarations from 'simpl.peak_detection' */
+static PyTypeObject *__pyx_ptype_5simpl_14peak_detection_PeakDetection = 0;
+static PyTypeObject *__pyx_ptype_5simpl_14peak_detection_SMSPeakDetection = 0;
+static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t = { "dtype_t", NULL, sizeof(__pyx_t_5simpl_4base_dtype_t), { 0 }, 0, 'R', 0, 0 };
+#define __Pyx_MODULE_NAME "simpl.peak_detection"
+int __pyx_module_is_main_simpl__peak_detection = 0;
+
+/* Implementation of 'simpl.peak_detection' */
+static PyObject *__pyx_builtin_range;
+static PyObject *__pyx_builtin_Exception;
+static PyObject *__pyx_builtin_ValueError;
+static PyObject *__pyx_builtin_RuntimeError;
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection___cinit__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static void __pyx_pf_5simpl_14peak_detection_13PeakDetection_2__dealloc__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_13sampling_rate___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_13sampling_rate_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_10frame_size___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_10frame_size_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_17static_frame_size___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_17static_frame_size_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_4next_frame_size(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_8hop_size___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_8hop_size_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_9max_peaks___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_9max_peaks_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_type___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_type_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, char *__pyx_v_s); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_size___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_size_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_19min_peak_separation___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, double __pyx_v_d); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_6frame(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_6frames___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_6frames_2__set__(CYTHON_UNUSED struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_f); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_8find_peaks_in_frame(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, struct __pyx_obj_5simpl_4base_Frame *__pyx_v_frame); /* proto */
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_10find_peaks(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, PyArrayObject *__pyx_v_audio); /* proto */
+static int __pyx_pf_5simpl_14peak_detection_16SMSPeakDetection___cinit__(struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection *__pyx_v_self); /* proto */
+static void __pyx_pf_5simpl_14peak_detection_16SMSPeakDetection_2__dealloc__(struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection *__pyx_v_self); /* proto */
+static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
+static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
+static char __pyx_k_2[] = "ndarray is not C contiguous";
+static char __pyx_k_4[] = "ndarray is not Fortran contiguous";
+static char __pyx_k_6[] = "Non-native byte order not supported";
+static char __pyx_k_8[] = "unknown dtype code in numpy.pxd (%d)";
+static char __pyx_k_9[] = "Format string allocated too short, see comment in numpy.pxd";
+static char __pyx_k_12[] = "Format string allocated too short.";
+static char __pyx_k__B[] = "B";
+static char __pyx_k__H[] = "H";
+static char __pyx_k__I[] = "I";
+static char __pyx_k__L[] = "L";
+static char __pyx_k__O[] = "O";
+static char __pyx_k__Q[] = "Q";
+static char __pyx_k__b[] = "b";
+static char __pyx_k__d[] = "d";
+static char __pyx_k__f[] = "f";
+static char __pyx_k__g[] = "g";
+static char __pyx_k__h[] = "h";
+static char __pyx_k__i[] = "i";
+static char __pyx_k__l[] = "l";
+static char __pyx_k__q[] = "q";
+static char __pyx_k__Zd[] = "Zd";
+static char __pyx_k__Zf[] = "Zf";
+static char __pyx_k__Zg[] = "Zg";
+static char __pyx_k__np[] = "np";
+static char __pyx_k__frame[] = "frame";
+static char __pyx_k__numpy[] = "numpy";
+static char __pyx_k__range[] = "range";
+static char __pyx_k____main__[] = "__main__";
+static char __pyx_k____test__[] = "__test__";
+static char __pyx_k__Exception[] = "Exception";
+static char __pyx_k__ValueError[] = "ValueError";
+static char __pyx_k__RuntimeError[] = "RuntimeError";
+static char __pyx_k__NotImplemented[] = "NotImplemented";
+static PyObject *__pyx_kp_u_12;
+static PyObject *__pyx_kp_u_2;
+static PyObject *__pyx_kp_u_4;
+static PyObject *__pyx_kp_u_6;
+static PyObject *__pyx_kp_u_8;
+static PyObject *__pyx_kp_u_9;
+static PyObject *__pyx_n_s__Exception;
+static PyObject *__pyx_n_s__NotImplemented;
+static PyObject *__pyx_n_s__RuntimeError;
+static PyObject *__pyx_n_s__ValueError;
+static PyObject *__pyx_n_s____main__;
+static PyObject *__pyx_n_s____test__;
+static PyObject *__pyx_n_s__frame;
+static PyObject *__pyx_n_s__np;
+static PyObject *__pyx_n_s__numpy;
+static PyObject *__pyx_n_s__range;
+static PyObject *__pyx_int_15;
+static PyObject *__pyx_k_tuple_1;
+static PyObject *__pyx_k_tuple_3;
+static PyObject *__pyx_k_tuple_5;
+static PyObject *__pyx_k_tuple_7;
+static PyObject *__pyx_k_tuple_10;
+static PyObject *__pyx_k_tuple_11;
+static PyObject *__pyx_k_tuple_13;
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
+  if (unlikely(PyTuple_GET_SIZE(__pyx_args) > 0)) {
+    __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 0, 0, PyTuple_GET_SIZE(__pyx_args)); return -1;}
+  if (unlikely(__pyx_kwds) && unlikely(PyDict_Size(__pyx_kwds) > 0) && unlikely(!__Pyx_CheckKeywordStrings(__pyx_kwds, "__cinit__", 0))) return -1;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection___cinit__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":15
+ *     cdef c_PeakDetection* thisptr
+ * 
+ *     def __cinit__(self):             # <<<<<<<<<<<<<<
+ *         self.thisptr = new c_PeakDetection()
+ * 
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection___cinit__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__", 0);
+
+  /* "simpl/peak_detection.pyx":16
+ * 
+ *     def __cinit__(self):
+ *         self.thisptr = new c_PeakDetection()             # <<<<<<<<<<<<<<
+ * 
+ *     def __dealloc__(self):
+ */
+  __pyx_v_self->thisptr = new simpl::PeakDetection();
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5simpl_14peak_detection_13PeakDetection_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_5simpl_14peak_detection_13PeakDetection_3__dealloc__(PyObject *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
+  __pyx_pf_5simpl_14peak_detection_13PeakDetection_2__dealloc__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "simpl/peak_detection.pyx":18
+ *         self.thisptr = new c_PeakDetection()
+ * 
+ *     def __dealloc__(self):             # <<<<<<<<<<<<<<
+ *         if self.thisptr:
+ *             del self.thisptr
+ */
+
+static void __pyx_pf_5simpl_14peak_detection_13PeakDetection_2__dealloc__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("__dealloc__", 0);
+
+  /* "simpl/peak_detection.pyx":19
+ * 
+ *     def __dealloc__(self):
+ *         if self.thisptr:             # <<<<<<<<<<<<<<
+ *             del self.thisptr
+ * 
+ */
+  __pyx_t_1 = (__pyx_v_self->thisptr != 0);
+  if (__pyx_t_1) {
+
+    /* "simpl/peak_detection.pyx":20
+ *     def __dealloc__(self):
+ *         if self.thisptr:
+ *             del self.thisptr             # <<<<<<<<<<<<<<
+ * 
+ *     property sampling_rate:
+ */
+    delete __pyx_v_self->thisptr;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_13sampling_rate_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_13sampling_rate_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_13sampling_rate___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":23
+ * 
+ *     property sampling_rate:
+ *         def __get__(self): return self.thisptr.sampling_rate()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.sampling_rate(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_13sampling_rate___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->sampling_rate()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.sampling_rate.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_13sampling_rate_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_13sampling_rate_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.sampling_rate.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_13sampling_rate_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":24
+ *     property sampling_rate:
+ *         def __get__(self): return self.thisptr.sampling_rate()
+ *         def __set__(self, int i): self.thisptr.sampling_rate(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property frame_size:
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_13sampling_rate_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->sampling_rate(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_10frame_size_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_10frame_size_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_10frame_size___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":27
+ * 
+ *     property frame_size:
+ *         def __get__(self): return self.thisptr.frame_size()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.frame_size(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_10frame_size___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->frame_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.frame_size.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_10frame_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_10frame_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.frame_size.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_10frame_size_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":28
+ *     property frame_size:
+ *         def __get__(self): return self.thisptr.frame_size()
+ *         def __set__(self, int i): self.thisptr.frame_size(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property static_frame_size:
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_10frame_size_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->frame_size(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_17static_frame_size_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_17static_frame_size_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_17static_frame_size___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":31
+ * 
+ *     property static_frame_size:
+ *         def __get__(self): return self.thisptr.static_frame_size()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.static_frame_size(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_17static_frame_size___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->static_frame_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.static_frame_size.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_17static_frame_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_17static_frame_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.static_frame_size.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_17static_frame_size_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":32
+ *     property static_frame_size:
+ *         def __get__(self): return self.thisptr.static_frame_size()
+ *         def __set__(self, int i): self.thisptr.static_frame_size(i)             # <<<<<<<<<<<<<<
+ * 
+ *     def next_frame_size(self):
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_17static_frame_size_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->static_frame_size(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_5next_frame_size(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_5next_frame_size(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("next_frame_size (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_4next_frame_size(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":34
+ *         def __set__(self, int i): self.thisptr.static_frame_size(i)
+ * 
+ *     def next_frame_size(self):             # <<<<<<<<<<<<<<
+ *         return self.thisptr.next_frame_size()
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_4next_frame_size(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("next_frame_size", 0);
+
+  /* "simpl/peak_detection.pyx":35
+ * 
+ *     def next_frame_size(self):
+ *         return self.thisptr.next_frame_size()             # <<<<<<<<<<<<<<
+ * 
+ *     property hop_size:
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->next_frame_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.next_frame_size", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_8hop_size_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_8hop_size_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_8hop_size___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":38
+ * 
+ *     property hop_size:
+ *         def __get__(self): return self.thisptr.hop_size()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.hop_size(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_8hop_size___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->hop_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.hop_size.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_8hop_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_8hop_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 39; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.hop_size.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_8hop_size_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":39
+ *     property hop_size:
+ *         def __get__(self): return self.thisptr.hop_size()
+ *         def __set__(self, int i): self.thisptr.hop_size(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property max_peaks:
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_8hop_size_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->hop_size(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_9max_peaks_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_9max_peaks_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_9max_peaks___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":42
+ * 
+ *     property max_peaks:
+ *         def __get__(self): return self.thisptr.max_peaks()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.max_peaks(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_9max_peaks___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->max_peaks()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.max_peaks.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_9max_peaks_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_9max_peaks_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.max_peaks.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_9max_peaks_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":43
+ *     property max_peaks:
+ *         def __get__(self): return self.thisptr.max_peaks()
+ *         def __set__(self, int i): self.thisptr.max_peaks(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property window_type:
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_9max_peaks_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->max_peaks(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_type_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_type_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_type___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":46
+ * 
+ *     property window_type:
+ *         def __get__(self): return self.thisptr.window_type().c_str()             # <<<<<<<<<<<<<<
+ *         def __set__(self, char* s): self.thisptr.window_type(string(s))
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_type___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyBytes_FromString(__pyx_v_self->thisptr->window_type().c_str()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  __pyx_r = ((PyObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.window_type.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_type_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_s); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_type_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_s) {
+  char *__pyx_v_s;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_s); {
+    __pyx_v_s = PyBytes_AsString(__pyx_arg_s); if (unlikely((!__pyx_v_s) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.window_type.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_type_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((char *)__pyx_v_s));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":47
+ *     property window_type:
+ *         def __get__(self): return self.thisptr.window_type().c_str()
+ *         def __set__(self, char* s): self.thisptr.window_type(string(s))             # <<<<<<<<<<<<<<
+ * 
+ *     property window_size:
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_type_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, char *__pyx_v_s) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->window_type(std::string(__pyx_v_s));
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_size_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_size_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_size___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":50
+ * 
+ *     property window_size:
+ *         def __get__(self): return self.thisptr.window_size()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.window_size(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_size___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->window_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.window_size.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 51; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.window_size.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_size_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":51
+ *     property window_size:
+ *         def __get__(self): return self.thisptr.window_size()
+ *         def __set__(self, int i): self.thisptr.window_size(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property min_peak_separation:
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_11window_size_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->window_size(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_19min_peak_separation___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":54
+ * 
+ *     property min_peak_separation:
+ *         def __get__(self): return self.thisptr.min_peak_separation()             # <<<<<<<<<<<<<<
+ *         def __set__(self, double d): self.thisptr.min_peak_separation(d)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_19min_peak_separation___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyFloat_FromDouble(__pyx_v_self->thisptr->min_peak_separation()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.min_peak_separation.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_d); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_d) {
+  double __pyx_v_d;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_d); {
+    __pyx_v_d = __pyx_PyFloat_AsDouble(__pyx_arg_d); if (unlikely((__pyx_v_d == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.min_peak_separation.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((double)__pyx_v_d));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":55
+ *     property min_peak_separation:
+ *         def __get__(self): return self.thisptr.min_peak_separation()
+ *         def __set__(self, double d): self.thisptr.min_peak_separation(d)             # <<<<<<<<<<<<<<
+ * 
+ *     def frame(self, int i):
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_2__set__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, double __pyx_v_d) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->min_peak_separation(__pyx_v_d);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_7frame(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_7frame(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("frame (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.frame", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_6frame(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":57
+ *         def __set__(self, double d): self.thisptr.min_peak_separation(d)
+ * 
+ *     def frame(self, int i):             # <<<<<<<<<<<<<<
+ *         cdef c_Frame* c_f = self.thisptr.frame(i)
+ *         f = Frame(None, False)
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_6frame(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, int __pyx_v_i) {
+  simpl::Frame *__pyx_v_c_f;
+  struct __pyx_obj_5simpl_4base_Frame *__pyx_v_f = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("frame", 0);
+
+  /* "simpl/peak_detection.pyx":58
+ * 
+ *     def frame(self, int i):
+ *         cdef c_Frame* c_f = self.thisptr.frame(i)             # <<<<<<<<<<<<<<
+ *         f = Frame(None, False)
+ *         f.set_frame(c_f)
+ */
+  __pyx_v_c_f = __pyx_v_self->thisptr->frame(__pyx_v_i);
+
+  /* "simpl/peak_detection.pyx":59
+ *     def frame(self, int i):
+ *         cdef c_Frame* c_f = self.thisptr.frame(i)
+ *         f = Frame(None, False)             # <<<<<<<<<<<<<<
+ *         f.set_frame(c_f)
+ *         return f
+ */
+  __pyx_t_1 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_INCREF(Py_None);
+  PyTuple_SET_ITEM(__pyx_t_2, 0, Py_None);
+  __Pyx_GIVEREF(Py_None);
+  PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5simpl_4base_Frame)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_v_f = ((struct __pyx_obj_5simpl_4base_Frame *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "simpl/peak_detection.pyx":60
+ *         cdef c_Frame* c_f = self.thisptr.frame(i)
+ *         f = Frame(None, False)
+ *         f.set_frame(c_f)             # <<<<<<<<<<<<<<
+ *         return f
+ * 
+ */
+  __pyx_t_1 = ((struct __pyx_vtabstruct_5simpl_4base_Frame *)__pyx_v_f->__pyx_vtab)->set_frame(__pyx_v_f, __pyx_v_c_f); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/peak_detection.pyx":61
+ *         f = Frame(None, False)
+ *         f.set_frame(c_f)
+ *         return f             # <<<<<<<<<<<<<<
+ * 
+ *     property frames:
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_f));
+  __pyx_r = ((PyObject *)__pyx_v_f);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.frame", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_f);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_6frames_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_6frames_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_6frames___get__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":64
+ * 
+ *     property frames:
+ *         def __get__(self):             # <<<<<<<<<<<<<<
+ *             return [self.frame(i) for i in range(self.thisptr.num_frames())]
+ *         def __set__(self, f):
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_6frames___get__(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self) {
+  PyObject *__pyx_v_i = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  Py_ssize_t __pyx_t_4;
+  PyObject *(*__pyx_t_5)(PyObject *);
+  PyObject *__pyx_t_6 = NULL;
+  PyObject *__pyx_t_7 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+
+  /* "simpl/peak_detection.pyx":65
+ *     property frames:
+ *         def __get__(self):
+ *             return [self.frame(i) for i in range(self.thisptr.num_frames())]             # <<<<<<<<<<<<<<
+ *         def __set__(self, f):
+ *             raise Exception("NotImplemented")
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyInt_FromLong(__pyx_v_self->thisptr->num_frames()); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_2);
+  __Pyx_GIVEREF(__pyx_t_2);
+  __pyx_t_2 = 0;
+  __pyx_t_2 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  if (PyList_CheckExact(__pyx_t_2) || PyTuple_CheckExact(__pyx_t_2)) {
+    __pyx_t_3 = __pyx_t_2; __Pyx_INCREF(__pyx_t_3); __pyx_t_4 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_4 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = Py_TYPE(__pyx_t_3)->tp_iternext;
+  }
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_3)) break;
+      __pyx_t_2 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++;
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+      __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++;
+    } else {
+      __pyx_t_2 = __pyx_t_5(__pyx_t_3);
+      if (unlikely(!__pyx_t_2)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_2);
+    }
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_2;
+    __pyx_t_2 = 0;
+    __pyx_t_2 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__frame); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __Pyx_INCREF(__pyx_v_i);
+    PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_v_i);
+    __Pyx_GIVEREF(__pyx_v_i);
+    __pyx_t_7 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+    if (unlikely(PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_7))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __Pyx_INCREF(((PyObject *)__pyx_t_1));
+  __pyx_r = ((PyObject *)__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_6);
+  __Pyx_XDECREF(__pyx_t_7);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.frames.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_i);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_6frames_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_f); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_13PeakDetection_6frames_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_f) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_6frames_2__set__(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((PyObject *)__pyx_v_f));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":66
+ *         def __get__(self):
+ *             return [self.frame(i) for i in range(self.thisptr.num_frames())]
+ *         def __set__(self, f):             # <<<<<<<<<<<<<<
+ *             raise Exception("NotImplemented")
+ * 
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_13PeakDetection_6frames_2__set__(CYTHON_UNUSED struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_f) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__set__", 0);
+
+  /* "simpl/peak_detection.pyx":67
+ *             return [self.frame(i) for i in range(self.thisptr.num_frames())]
+ *         def __set__(self, f):
+ *             raise Exception("NotImplemented")             # <<<<<<<<<<<<<<
+ * 
+ *     def find_peaks_in_frame(self, Frame frame not None):
+ */
+  __pyx_t_1 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_1), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_Raise(__pyx_t_1, 0, 0, 0);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.frames.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_9find_peaks_in_frame(PyObject *__pyx_v_self, PyObject *__pyx_v_frame); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_9find_peaks_in_frame(PyObject *__pyx_v_self, PyObject *__pyx_v_frame) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("find_peaks_in_frame (wrapper)", 0);
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_frame), __pyx_ptype_5simpl_4base_Frame, 0, "frame", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 69; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_8find_peaks_in_frame(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((struct __pyx_obj_5simpl_4base_Frame *)__pyx_v_frame));
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":69
+ *             raise Exception("NotImplemented")
+ * 
+ *     def find_peaks_in_frame(self, Frame frame not None):             # <<<<<<<<<<<<<<
+ *         peaks = []
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.find_peaks_in_frame(frame.thisptr)
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_8find_peaks_in_frame(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, struct __pyx_obj_5simpl_4base_Frame *__pyx_v_frame) {
+  PyObject *__pyx_v_peaks = NULL;
+  std::vector<simpl::Peak *> __pyx_v_c_peaks;
+  size_t __pyx_v_i;
+  struct __pyx_obj_5simpl_4base_Peak *__pyx_v_peak = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  size_t __pyx_t_2;
+  size_t __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("find_peaks_in_frame", 0);
+
+  /* "simpl/peak_detection.pyx":70
+ * 
+ *     def find_peaks_in_frame(self, Frame frame not None):
+ *         peaks = []             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.find_peaks_in_frame(frame.thisptr)
+ *         for i in range(c_peaks.size()):
+ */
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_v_peaks = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "simpl/peak_detection.pyx":71
+ *     def find_peaks_in_frame(self, Frame frame not None):
+ *         peaks = []
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.find_peaks_in_frame(frame.thisptr)             # <<<<<<<<<<<<<<
+ *         for i in range(c_peaks.size()):
+ *             peak = Peak(False)
+ */
+  __pyx_v_c_peaks = __pyx_v_self->thisptr->find_peaks_in_frame(__pyx_v_frame->thisptr);
+
+  /* "simpl/peak_detection.pyx":72
+ *         peaks = []
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.find_peaks_in_frame(frame.thisptr)
+ *         for i in range(c_peaks.size()):             # <<<<<<<<<<<<<<
+ *             peak = Peak(False)
+ *             peak.set_peak(c_peaks[i])
+ */
+  __pyx_t_2 = __pyx_v_c_peaks.size();
+  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
+    __pyx_v_i = __pyx_t_3;
+
+    /* "simpl/peak_detection.pyx":73
+ *         cdef vector[c_Peak*] c_peaks = self.thisptr.find_peaks_in_frame(frame.thisptr)
+ *         for i in range(c_peaks.size()):
+ *             peak = Peak(False)             # <<<<<<<<<<<<<<
+ *             peak.set_peak(c_peaks[i])
+ *             peaks.append(peak)
+ */
+    __pyx_t_1 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5simpl_4base_Peak)), ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+    __Pyx_XDECREF(((PyObject *)__pyx_v_peak));
+    __pyx_v_peak = ((struct __pyx_obj_5simpl_4base_Peak *)__pyx_t_1);
+    __pyx_t_1 = 0;
+
+    /* "simpl/peak_detection.pyx":74
+ *         for i in range(c_peaks.size()):
+ *             peak = Peak(False)
+ *             peak.set_peak(c_peaks[i])             # <<<<<<<<<<<<<<
+ *             peaks.append(peak)
+ *         return peaks
+ */
+    __pyx_t_1 = ((struct __pyx_vtabstruct_5simpl_4base_Peak *)__pyx_v_peak->__pyx_vtab)->set_peak(__pyx_v_peak, (__pyx_v_c_peaks[__pyx_v_i])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 74; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "simpl/peak_detection.pyx":75
+ *             peak = Peak(False)
+ *             peak.set_peak(c_peaks[i])
+ *             peaks.append(peak)             # <<<<<<<<<<<<<<
+ *         return peaks
+ * 
+ */
+    __pyx_t_5 = PyList_Append(__pyx_v_peaks, ((PyObject *)__pyx_v_peak)); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+
+  /* "simpl/peak_detection.pyx":76
+ *             peak.set_peak(c_peaks[i])
+ *             peaks.append(peak)
+ *         return peaks             # <<<<<<<<<<<<<<
+ * 
+ *     def find_peaks(self, np.ndarray[dtype_t, ndim=1] audio):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_peaks));
+  __pyx_r = ((PyObject *)__pyx_v_peaks);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.find_peaks_in_frame", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_peaks);
+  __Pyx_XDECREF((PyObject *)__pyx_v_peak);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_11find_peaks(PyObject *__pyx_v_self, PyObject *__pyx_v_audio); /*proto*/
+static PyObject *__pyx_pw_5simpl_14peak_detection_13PeakDetection_11find_peaks(PyObject *__pyx_v_self, PyObject *__pyx_v_audio) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("find_peaks (wrapper)", 0);
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_audio), __pyx_ptype_5numpy_ndarray, 1, "audio", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 78; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_13PeakDetection_10find_peaks(((struct __pyx_obj_5simpl_14peak_detection_PeakDetection *)__pyx_v_self), ((PyArrayObject *)__pyx_v_audio));
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":78
+ *         return peaks
+ * 
+ *     def find_peaks(self, np.ndarray[dtype_t, ndim=1] audio):             # <<<<<<<<<<<<<<
+ *         frames = []
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_peaks(len(audio), <double*> audio.data)
+ */
+
+static PyObject *__pyx_pf_5simpl_14peak_detection_13PeakDetection_10find_peaks(struct __pyx_obj_5simpl_14peak_detection_PeakDetection *__pyx_v_self, PyArrayObject *__pyx_v_audio) {
+  PyObject *__pyx_v_frames = NULL;
+  std::vector<simpl::Frame *> __pyx_v_output_frames;
+  size_t __pyx_v_i;
+  struct __pyx_obj_5simpl_4base_Frame *__pyx_v_f = NULL;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_audio;
+  __Pyx_Buffer __pyx_pybuffer_audio;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  size_t __pyx_t_3;
+  size_t __pyx_t_4;
+  PyObject *__pyx_t_5 = NULL;
+  PyObject *__pyx_t_6 = NULL;
+  int __pyx_t_7;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("find_peaks", 0);
+  __pyx_pybuffer_audio.pybuffer.buf = NULL;
+  __pyx_pybuffer_audio.refcount = 0;
+  __pyx_pybuffernd_audio.data = NULL;
+  __pyx_pybuffernd_audio.rcbuffer = &__pyx_pybuffer_audio;
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_audio.rcbuffer->pybuffer, (PyObject*)__pyx_v_audio, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 78; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __pyx_pybuffernd_audio.diminfo[0].strides = __pyx_pybuffernd_audio.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_audio.diminfo[0].shape = __pyx_pybuffernd_audio.rcbuffer->pybuffer.shape[0];
+
+  /* "simpl/peak_detection.pyx":79
+ * 
+ *     def find_peaks(self, np.ndarray[dtype_t, ndim=1] audio):
+ *         frames = []             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_peaks(len(audio), <double*> audio.data)
+ *         for i in range(output_frames.size()):
+ */
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_v_frames = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "simpl/peak_detection.pyx":80
+ *     def find_peaks(self, np.ndarray[dtype_t, ndim=1] audio):
+ *         frames = []
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_peaks(len(audio), <double*> audio.data)             # <<<<<<<<<<<<<<
+ *         for i in range(output_frames.size()):
+ *             f = Frame(output_frames[i].size(), False)
+ */
+  __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_audio)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_v_output_frames = __pyx_v_self->thisptr->find_peaks(__pyx_t_2, ((double *)__pyx_v_audio->data));
+
+  /* "simpl/peak_detection.pyx":81
+ *         frames = []
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_peaks(len(audio), <double*> audio.data)
+ *         for i in range(output_frames.size()):             # <<<<<<<<<<<<<<
+ *             f = Frame(output_frames[i].size(), False)
+ *             f.set_frame(output_frames[i])
+ */
+  __pyx_t_3 = __pyx_v_output_frames.size();
+  for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
+    __pyx_v_i = __pyx_t_4;
+
+    /* "simpl/peak_detection.pyx":82
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.find_peaks(len(audio), <double*> audio.data)
+ *         for i in range(output_frames.size()):
+ *             f = Frame(output_frames[i].size(), False)             # <<<<<<<<<<<<<<
+ *             f.set_frame(output_frames[i])
+ *             frames.append(f)
+ */
+    __pyx_t_1 = PyInt_FromLong((__pyx_v_output_frames[__pyx_v_i])->size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_5 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_6 = PyTuple_New(2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    PyTuple_SET_ITEM(__pyx_t_6, 1, __pyx_t_5);
+    __Pyx_GIVEREF(__pyx_t_5);
+    __pyx_t_1 = 0;
+    __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_5simpl_4base_Frame)), ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+    __Pyx_XDECREF(((PyObject *)__pyx_v_f));
+    __pyx_v_f = ((struct __pyx_obj_5simpl_4base_Frame *)__pyx_t_5);
+    __pyx_t_5 = 0;
+
+    /* "simpl/peak_detection.pyx":83
+ *         for i in range(output_frames.size()):
+ *             f = Frame(output_frames[i].size(), False)
+ *             f.set_frame(output_frames[i])             # <<<<<<<<<<<<<<
+ *             frames.append(f)
+ *         return frames
+ */
+    __pyx_t_5 = ((struct __pyx_vtabstruct_5simpl_4base_Frame *)__pyx_v_f->__pyx_vtab)->set_frame(__pyx_v_f, (__pyx_v_output_frames[__pyx_v_i])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+
+    /* "simpl/peak_detection.pyx":84
+ *             f = Frame(output_frames[i].size(), False)
+ *             f.set_frame(output_frames[i])
+ *             frames.append(f)             # <<<<<<<<<<<<<<
+ *         return frames
+ * 
+ */
+    __pyx_t_7 = PyList_Append(__pyx_v_frames, ((PyObject *)__pyx_v_f)); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+
+  /* "simpl/peak_detection.pyx":85
+ *             f.set_frame(output_frames[i])
+ *             frames.append(f)
+ *         return frames             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_frames));
+  __pyx_r = ((PyObject *)__pyx_v_frames);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_6);
+  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
+    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_audio.rcbuffer->pybuffer);
+  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
+  __Pyx_AddTraceback("simpl.peak_detection.PeakDetection.find_peaks", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  goto __pyx_L2;
+  __pyx_L0:;
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_audio.rcbuffer->pybuffer);
+  __pyx_L2:;
+  __Pyx_XDECREF(__pyx_v_frames);
+  __Pyx_XDECREF((PyObject *)__pyx_v_f);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_14peak_detection_16SMSPeakDetection_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_5simpl_14peak_detection_16SMSPeakDetection_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
+  if (unlikely(PyTuple_GET_SIZE(__pyx_args) > 0)) {
+    __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 0, 0, PyTuple_GET_SIZE(__pyx_args)); return -1;}
+  if (unlikely(__pyx_kwds) && unlikely(PyDict_Size(__pyx_kwds) > 0) && unlikely(!__Pyx_CheckKeywordStrings(__pyx_kwds, "__cinit__", 0))) return -1;
+  __pyx_r = __pyx_pf_5simpl_14peak_detection_16SMSPeakDetection___cinit__(((struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/peak_detection.pyx":89
+ * 
+ * cdef class SMSPeakDetection(PeakDetection):
+ *     def __cinit__(self):             # <<<<<<<<<<<<<<
+ *         if self.thisptr:
+ *             del self.thisptr
+ */
+
+static int __pyx_pf_5simpl_14peak_detection_16SMSPeakDetection___cinit__(struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection *__pyx_v_self) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("__cinit__", 0);
+
+  /* "simpl/peak_detection.pyx":90
+ * cdef class SMSPeakDetection(PeakDetection):
+ *     def __cinit__(self):
+ *         if self.thisptr:             # <<<<<<<<<<<<<<
+ *             del self.thisptr
+ *         self.thisptr = new c_SMSPeakDetection()
+ */
+  __pyx_t_1 = (__pyx_v_self->__pyx_base.thisptr != 0);
+  if (__pyx_t_1) {
+
+    /* "simpl/peak_detection.pyx":91
+ *     def __cinit__(self):
+ *         if self.thisptr:
+ *             del self.thisptr             # <<<<<<<<<<<<<<
+ *         self.thisptr = new c_SMSPeakDetection()
+ * 
+ */
+    delete __pyx_v_self->__pyx_base.thisptr;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "simpl/peak_detection.pyx":92
+ *         if self.thisptr:
+ *             del self.thisptr
+ *         self.thisptr = new c_SMSPeakDetection()             # <<<<<<<<<<<<<<
+ * 
+ *     def __dealloc__(self):
+ */
+  __pyx_v_self->__pyx_base.thisptr = new simpl::SMSPeakDetection();
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5simpl_14peak_detection_16SMSPeakDetection_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_5simpl_14peak_detection_16SMSPeakDetection_3__dealloc__(PyObject *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
+  __pyx_pf_5simpl_14peak_detection_16SMSPeakDetection_2__dealloc__(((struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "simpl/peak_detection.pyx":94
+ *         self.thisptr = new c_SMSPeakDetection()
+ * 
+ *     def __dealloc__(self):             # <<<<<<<<<<<<<<
+ *         if self.thisptr:
+ *             del self.thisptr
+ */
+
+static void __pyx_pf_5simpl_14peak_detection_16SMSPeakDetection_2__dealloc__(struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("__dealloc__", 0);
+
+  /* "simpl/peak_detection.pyx":95
+ * 
+ *     def __dealloc__(self):
+ *         if self.thisptr:             # <<<<<<<<<<<<<<
+ *             del self.thisptr
+ *             self.thisptr = <c_PeakDetection*>0
+ */
+  __pyx_t_1 = (__pyx_v_self->__pyx_base.thisptr != 0);
+  if (__pyx_t_1) {
+
+    /* "simpl/peak_detection.pyx":96
+ *     def __dealloc__(self):
+ *         if self.thisptr:
+ *             del self.thisptr             # <<<<<<<<<<<<<<
+ *             self.thisptr = <c_PeakDetection*>0
+ */
+    delete __pyx_v_self->__pyx_base.thisptr;
+
+    /* "simpl/peak_detection.pyx":97
+ *         if self.thisptr:
+ *             del self.thisptr
+ *             self.thisptr = <c_PeakDetection*>0             # <<<<<<<<<<<<<<
+ */
+    __pyx_v_self->__pyx_base.thisptr = ((simpl::PeakDetection *)0);
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* Python wrapper */
+static int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+static int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__getbuffer__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5numpy_7ndarray___getbuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info), ((int)__pyx_v_flags));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":193
+ *         # experimental exception made for __getbuffer__ and __releasebuffer__
+ *         # -- the details of this may change.
+ *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
+ *             # This implementation of getbuffer is geared towards Cython
+ *             # requirements, and does not yet fullfill the PEP.
+ */
+
+static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  int __pyx_v_copy_shape;
+  int __pyx_v_i;
+  int __pyx_v_ndim;
+  int __pyx_v_endian_detector;
+  int __pyx_v_little_endian;
+  int __pyx_v_t;
+  char *__pyx_v_f;
+  PyArray_Descr *__pyx_v_descr = 0;
+  int __pyx_v_offset;
+  int __pyx_v_hasfields;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  PyObject *__pyx_t_8 = NULL;
+  char *__pyx_t_9;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__getbuffer__", 0);
+  if (__pyx_v_info != NULL) {
+    __pyx_v_info->obj = Py_None; __Pyx_INCREF(Py_None);
+    __Pyx_GIVEREF(__pyx_v_info->obj);
+  }
+
+  /* "numpy.pxd":199
+ *             # of flags
+ * 
+ *             if info == NULL: return             # <<<<<<<<<<<<<<
+ * 
+ *             cdef int copy_shape, i, ndim
+ */
+  __pyx_t_1 = (__pyx_v_info == NULL);
+  if (__pyx_t_1) {
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":202
+ * 
+ *             cdef int copy_shape, i, ndim
+ *             cdef int endian_detector = 1             # <<<<<<<<<<<<<<
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ * 
+ */
+  __pyx_v_endian_detector = 1;
+
+  /* "numpy.pxd":203
+ *             cdef int copy_shape, i, ndim
+ *             cdef int endian_detector = 1
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
+ * 
+ *             ndim = PyArray_NDIM(self)
+ */
+  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
+
+  /* "numpy.pxd":205
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ * 
+ *             ndim = PyArray_NDIM(self)             # <<<<<<<<<<<<<<
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ */
+  __pyx_v_ndim = PyArray_NDIM(__pyx_v_self);
+
+  /* "numpy.pxd":207
+ *             ndim = PyArray_NDIM(self)
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
+ *                 copy_shape = 1
+ *             else:
+ */
+  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":208
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 copy_shape = 1             # <<<<<<<<<<<<<<
+ *             else:
+ *                 copy_shape = 0
+ */
+    __pyx_v_copy_shape = 1;
+    goto __pyx_L4;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":210
+ *                 copy_shape = 1
+ *             else:
+ *                 copy_shape = 0             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ */
+    __pyx_v_copy_shape = 0;
+  }
+  __pyx_L4:;
+
+  /* "numpy.pxd":212
+ *                 copy_shape = 0
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)             # <<<<<<<<<<<<<<
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ */
+  __pyx_t_1 = ((__pyx_v_flags & PyBUF_C_CONTIGUOUS) == PyBUF_C_CONTIGUOUS);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":213
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):             # <<<<<<<<<<<<<<
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ * 
+ */
+    __pyx_t_2 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_C_CONTIGUOUS));
+    __pyx_t_3 = __pyx_t_2;
+  } else {
+    __pyx_t_3 = __pyx_t_1;
+  }
+  if (__pyx_t_3) {
+
+    /* "numpy.pxd":214
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ */
+    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    goto __pyx_L5;
+  }
+  __pyx_L5:;
+
+  /* "numpy.pxd":216
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)             # <<<<<<<<<<<<<<
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ */
+  __pyx_t_3 = ((__pyx_v_flags & PyBUF_F_CONTIGUOUS) == PyBUF_F_CONTIGUOUS);
+  if (__pyx_t_3) {
+
+    /* "numpy.pxd":217
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):             # <<<<<<<<<<<<<<
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ * 
+ */
+    __pyx_t_1 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_F_CONTIGUOUS));
+    __pyx_t_2 = __pyx_t_1;
+  } else {
+    __pyx_t_2 = __pyx_t_3;
+  }
+  if (__pyx_t_2) {
+
+    /* "numpy.pxd":218
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             info.buf = PyArray_DATA(self)
+ */
+    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_5), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    goto __pyx_L6;
+  }
+  __pyx_L6:;
+
+  /* "numpy.pxd":220
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ * 
+ *             info.buf = PyArray_DATA(self)             # <<<<<<<<<<<<<<
+ *             info.ndim = ndim
+ *             if copy_shape:
+ */
+  __pyx_v_info->buf = PyArray_DATA(__pyx_v_self);
+
+  /* "numpy.pxd":221
+ * 
+ *             info.buf = PyArray_DATA(self)
+ *             info.ndim = ndim             # <<<<<<<<<<<<<<
+ *             if copy_shape:
+ *                 # Allocate new buffer for strides and shape info.
+ */
+  __pyx_v_info->ndim = __pyx_v_ndim;
+
+  /* "numpy.pxd":222
+ *             info.buf = PyArray_DATA(self)
+ *             info.ndim = ndim
+ *             if copy_shape:             # <<<<<<<<<<<<<<
+ *                 # Allocate new buffer for strides and shape info.
+ *                 # This is allocated as one block, strides first.
+ */
+  if (__pyx_v_copy_shape) {
+
+    /* "numpy.pxd":225
+ *                 # Allocate new buffer for strides and shape info.
+ *                 # This is allocated as one block, strides first.
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)             # <<<<<<<<<<<<<<
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):
+ */
+    __pyx_v_info->strides = ((Py_ssize_t *)malloc((((sizeof(Py_ssize_t)) * ((size_t)__pyx_v_ndim)) * 2)));
+
+    /* "numpy.pxd":226
+ *                 # This is allocated as one block, strides first.
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
+ *                 info.shape = info.strides + ndim             # <<<<<<<<<<<<<<
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ */
+    __pyx_v_info->shape = (__pyx_v_info->strides + __pyx_v_ndim);
+
+    /* "numpy.pxd":227
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):             # <<<<<<<<<<<<<<
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ */
+    __pyx_t_5 = __pyx_v_ndim;
+    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
+      __pyx_v_i = __pyx_t_6;
+
+      /* "numpy.pxd":228
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]             # <<<<<<<<<<<<<<
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ *             else:
+ */
+      (__pyx_v_info->strides[__pyx_v_i]) = (PyArray_STRIDES(__pyx_v_self)[__pyx_v_i]);
+
+      /* "numpy.pxd":229
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ *                     info.shape[i] = PyArray_DIMS(self)[i]             # <<<<<<<<<<<<<<
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ */
+      (__pyx_v_info->shape[__pyx_v_i]) = (PyArray_DIMS(__pyx_v_self)[__pyx_v_i]);
+    }
+    goto __pyx_L7;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":231
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)             # <<<<<<<<<<<<<<
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL
+ */
+    __pyx_v_info->strides = ((Py_ssize_t *)PyArray_STRIDES(__pyx_v_self));
+
+    /* "numpy.pxd":232
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)             # <<<<<<<<<<<<<<
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ */
+    __pyx_v_info->shape = ((Py_ssize_t *)PyArray_DIMS(__pyx_v_self));
+  }
+  __pyx_L7:;
+
+  /* "numpy.pxd":233
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL             # <<<<<<<<<<<<<<
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ *             info.readonly = not PyArray_ISWRITEABLE(self)
+ */
+  __pyx_v_info->suboffsets = NULL;
+
+  /* "numpy.pxd":234
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)             # <<<<<<<<<<<<<<
+ *             info.readonly = not PyArray_ISWRITEABLE(self)
+ * 
+ */
+  __pyx_v_info->itemsize = PyArray_ITEMSIZE(__pyx_v_self);
+
+  /* "numpy.pxd":235
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ *             info.readonly = not PyArray_ISWRITEABLE(self)             # <<<<<<<<<<<<<<
+ * 
+ *             cdef int t
+ */
+  __pyx_v_info->readonly = (!PyArray_ISWRITEABLE(__pyx_v_self));
+
+  /* "numpy.pxd":238
+ * 
+ *             cdef int t
+ *             cdef char* f = NULL             # <<<<<<<<<<<<<<
+ *             cdef dtype descr = self.descr
+ *             cdef list stack
+ */
+  __pyx_v_f = NULL;
+
+  /* "numpy.pxd":239
+ *             cdef int t
+ *             cdef char* f = NULL
+ *             cdef dtype descr = self.descr             # <<<<<<<<<<<<<<
+ *             cdef list stack
+ *             cdef int offset
+ */
+  __Pyx_INCREF(((PyObject *)__pyx_v_self->descr));
+  __pyx_v_descr = __pyx_v_self->descr;
+
+  /* "numpy.pxd":243
+ *             cdef int offset
+ * 
+ *             cdef bint hasfields = PyDataType_HASFIELDS(descr)             # <<<<<<<<<<<<<<
+ * 
+ *             if not hasfields and not copy_shape:
+ */
+  __pyx_v_hasfields = PyDataType_HASFIELDS(__pyx_v_descr);
+
+  /* "numpy.pxd":245
+ *             cdef bint hasfields = PyDataType_HASFIELDS(descr)
+ * 
+ *             if not hasfields and not copy_shape:             # <<<<<<<<<<<<<<
+ *                 # do not call releasebuffer
+ *                 info.obj = None
+ */
+  __pyx_t_2 = (!__pyx_v_hasfields);
+  if (__pyx_t_2) {
+    __pyx_t_3 = (!__pyx_v_copy_shape);
+    __pyx_t_1 = __pyx_t_3;
+  } else {
+    __pyx_t_1 = __pyx_t_2;
+  }
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":247
+ *             if not hasfields and not copy_shape:
+ *                 # do not call releasebuffer
+ *                 info.obj = None             # <<<<<<<<<<<<<<
+ *             else:
+ *                 # need to call releasebuffer
+ */
+    __Pyx_INCREF(Py_None);
+    __Pyx_GIVEREF(Py_None);
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj);
+    __pyx_v_info->obj = Py_None;
+    goto __pyx_L10;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":250
+ *             else:
+ *                 # need to call releasebuffer
+ *                 info.obj = self             # <<<<<<<<<<<<<<
+ * 
+ *             if not hasfields:
+ */
+    __Pyx_INCREF(((PyObject *)__pyx_v_self));
+    __Pyx_GIVEREF(((PyObject *)__pyx_v_self));
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj);
+    __pyx_v_info->obj = ((PyObject *)__pyx_v_self);
+  }
+  __pyx_L10:;
+
+  /* "numpy.pxd":252
+ *                 info.obj = self
+ * 
+ *             if not hasfields:             # <<<<<<<<<<<<<<
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ */
+  __pyx_t_1 = (!__pyx_v_hasfields);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":253
+ * 
+ *             if not hasfields:
+ *                 t = descr.type_num             # <<<<<<<<<<<<<<
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ */
+    __pyx_v_t = __pyx_v_descr->type_num;
+
+    /* "numpy.pxd":254
+ *             if not hasfields:
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or             # <<<<<<<<<<<<<<
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")
+ */
+    __pyx_t_1 = (__pyx_v_descr->byteorder == '>');
+    if (__pyx_t_1) {
+      __pyx_t_2 = __pyx_v_little_endian;
+    } else {
+      __pyx_t_2 = __pyx_t_1;
+    }
+    if (!__pyx_t_2) {
+
+      /* "numpy.pxd":255
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):             # <<<<<<<<<<<<<<
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"
+ */
+      __pyx_t_1 = (__pyx_v_descr->byteorder == '<');
+      if (__pyx_t_1) {
+        __pyx_t_3 = (!__pyx_v_little_endian);
+        __pyx_t_7 = __pyx_t_3;
+      } else {
+        __pyx_t_7 = __pyx_t_1;
+      }
+      __pyx_t_1 = __pyx_t_7;
+    } else {
+      __pyx_t_1 = __pyx_t_2;
+    }
+    if (__pyx_t_1) {
+
+      /* "numpy.pxd":256
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ */
+      __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_7), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L12;
+    }
+    __pyx_L12:;
+
+    /* "numpy.pxd":257
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_BYTE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__b;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":258
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_UBYTE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__B;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":259
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_SHORT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__h;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":260
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_USHORT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__H;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":261
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_INT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__i;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":262
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_UINT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__I;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":263
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__l;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":264
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_ULONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__L;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":265
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONGLONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__q;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":266
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_ULONGLONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Q;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":267
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_FLOAT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__f;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":268
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_DOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__d;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":269
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONGDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__g;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":270
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CFLOAT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zf;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":271
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zd;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":272
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_OBJECT:      f = "O"
+ *                 else:
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CLONGDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zg;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":273
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_OBJECT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__O;
+      goto __pyx_L13;
+    }
+    /*else*/ {
+
+      /* "numpy.pxd":275
+ *                 elif t == NPY_OBJECT:      f = "O"
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
+ *                 info.format = f
+ *                 return
+ */
+      __pyx_t_4 = PyInt_FromLong(__pyx_v_t); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_8), __pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(((PyObject *)__pyx_t_8));
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_t_8));
+      __Pyx_GIVEREF(((PyObject *)__pyx_t_8));
+      __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_Raise(__pyx_t_8, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    __pyx_L13:;
+
+    /* "numpy.pxd":276
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *                 info.format = f             # <<<<<<<<<<<<<<
+ *                 return
+ *             else:
+ */
+    __pyx_v_info->format = __pyx_v_f;
+
+    /* "numpy.pxd":277
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *                 info.format = f
+ *                 return             # <<<<<<<<<<<<<<
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ */
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L11;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":279
+ *                 return
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)             # <<<<<<<<<<<<<<
+ *                 info.format[0] = '^' # Native data types, manual alignment
+ *                 offset = 0
+ */
+    __pyx_v_info->format = ((char *)malloc(255));
+
+    /* "numpy.pxd":280
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ *                 info.format[0] = '^' # Native data types, manual alignment             # <<<<<<<<<<<<<<
+ *                 offset = 0
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ */
+    (__pyx_v_info->format[0]) = '^';
+
+    /* "numpy.pxd":281
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ *                 info.format[0] = '^' # Native data types, manual alignment
+ *                 offset = 0             # <<<<<<<<<<<<<<
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ *                                       info.format + _buffer_format_string_len,
+ */
+    __pyx_v_offset = 0;
+
+    /* "numpy.pxd":284
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ *                                       info.format + _buffer_format_string_len,
+ *                                       &offset)             # <<<<<<<<<<<<<<
+ *                 f[0] = 0 # Terminate format string
+ * 
+ */
+    __pyx_t_9 = __pyx_f_5numpy__util_dtypestring(__pyx_v_descr, (__pyx_v_info->format + 1), (__pyx_v_info->format + 255), (&__pyx_v_offset)); if (unlikely(__pyx_t_9 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 282; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_v_f = __pyx_t_9;
+
+    /* "numpy.pxd":285
+ *                                       info.format + _buffer_format_string_len,
+ *                                       &offset)
+ *                 f[0] = 0 # Terminate format string             # <<<<<<<<<<<<<<
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ */
+    (__pyx_v_f[0]) = 0;
+  }
+  __pyx_L11:;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_8);
+  __Pyx_AddTraceback("numpy.ndarray.__getbuffer__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  if (__pyx_v_info != NULL && __pyx_v_info->obj != NULL) {
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj); __pyx_v_info->obj = NULL;
+  }
+  goto __pyx_L2;
+  __pyx_L0:;
+  if (__pyx_v_info != NULL && __pyx_v_info->obj == Py_None) {
+    __Pyx_GOTREF(Py_None);
+    __Pyx_DECREF(Py_None); __pyx_v_info->obj = NULL;
+  }
+  __pyx_L2:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_descr);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info); /*proto*/
+static void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__releasebuffer__ (wrapper)", 0);
+  __pyx_pf_5numpy_7ndarray_2__releasebuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":287
+ *                 f[0] = 0 # Terminate format string
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ */
+
+static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("__releasebuffer__", 0);
+
+  /* "numpy.pxd":288
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ *             if PyArray_HASFIELDS(self):             # <<<<<<<<<<<<<<
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ */
+  __pyx_t_1 = PyArray_HASFIELDS(__pyx_v_self);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":289
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)             # <<<<<<<<<<<<<<
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 stdlib.free(info.strides)
+ */
+    free(__pyx_v_info->format);
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":290
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
+ *                 stdlib.free(info.strides)
+ *                 # info.shape was stored after info.strides in the same block
+ */
+  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":291
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 stdlib.free(info.strides)             # <<<<<<<<<<<<<<
+ *                 # info.shape was stored after info.strides in the same block
+ * 
+ */
+    free(__pyx_v_info->strides);
+    goto __pyx_L4;
+  }
+  __pyx_L4:;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":767
+ * ctypedef npy_cdouble     complex_t
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__pyx_v_a) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew1", 0);
+
+  /* "numpy.pxd":768
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):
+ *     return PyArray_MultiIterNew(1, <void*>a)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(1, ((void *)__pyx_v_a)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew1", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":770
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__pyx_v_a, PyObject *__pyx_v_b) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew2", 0);
+
+  /* "numpy.pxd":771
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(2, ((void *)__pyx_v_a), ((void *)__pyx_v_b)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 771; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew2", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":773
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew3", 0);
+
+  /* "numpy.pxd":774
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(3, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 774; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew3", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":776
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew4", 0);
+
+  /* "numpy.pxd":777
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(4, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 777; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew4", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":779
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d, PyObject *__pyx_v_e) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew5", 0);
+
+  /* "numpy.pxd":780
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(5, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d), ((void *)__pyx_v_e)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew5", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":782
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:             # <<<<<<<<<<<<<<
+ *     # Recursive utility function used in __getbuffer__ to get format
+ *     # string. The new location in the format string is returned.
+ */
+
+static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx_v_descr, char *__pyx_v_f, char *__pyx_v_end, int *__pyx_v_offset) {
+  PyArray_Descr *__pyx_v_child = 0;
+  int __pyx_v_endian_detector;
+  int __pyx_v_little_endian;
+  PyObject *__pyx_v_fields = 0;
+  PyObject *__pyx_v_childname = NULL;
+  PyObject *__pyx_v_new_offset = NULL;
+  PyObject *__pyx_v_t = NULL;
+  char *__pyx_r;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  int __pyx_t_8;
+  int __pyx_t_9;
+  long __pyx_t_10;
+  char *__pyx_t_11;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("_util_dtypestring", 0);
+
+  /* "numpy.pxd":789
+ *     cdef int delta_offset
+ *     cdef tuple i
+ *     cdef int endian_detector = 1             # <<<<<<<<<<<<<<
+ *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ *     cdef tuple fields
+ */
+  __pyx_v_endian_detector = 1;
+
+  /* "numpy.pxd":790
+ *     cdef tuple i
+ *     cdef int endian_detector = 1
+ *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
+ *     cdef tuple fields
+ * 
+ */
+  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
+
+  /* "numpy.pxd":793
+ *     cdef tuple fields
+ * 
+ *     for childname in descr.names:             # <<<<<<<<<<<<<<
+ *         fields = descr.fields[childname]
+ *         child, new_offset = fields
+ */
+  if (unlikely(((PyObject *)__pyx_v_descr->names) == Py_None)) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); {__pyx_filename = __pyx_f[1]; __pyx_lineno = 793; __pyx_clineno = __LINE__; goto __pyx_L1_error;} 
+  }
+  __pyx_t_1 = ((PyObject *)__pyx_v_descr->names); __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+  for (;;) {
+    if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+    __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++;
+    __Pyx_XDECREF(__pyx_v_childname);
+    __pyx_v_childname = __pyx_t_3;
+    __pyx_t_3 = 0;
+
+    /* "numpy.pxd":794
+ * 
+ *     for childname in descr.names:
+ *         fields = descr.fields[childname]             # <<<<<<<<<<<<<<
+ *         child, new_offset = fields
+ * 
+ */
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (!__pyx_t_3) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected tuple, got %.200s", Py_TYPE(__pyx_t_3)->tp_name), 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF(((PyObject *)__pyx_v_fields));
+    __pyx_v_fields = ((PyObject*)__pyx_t_3);
+    __pyx_t_3 = 0;
+
+    /* "numpy.pxd":795
+ *     for childname in descr.names:
+ *         fields = descr.fields[childname]
+ *         child, new_offset = fields             # <<<<<<<<<<<<<<
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ */
+    if (likely(PyTuple_CheckExact(((PyObject *)__pyx_v_fields)))) {
+      PyObject* sequence = ((PyObject *)__pyx_v_fields);
+      if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) {
+        if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
+        else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); 
+      __pyx_t_4 = PyTuple_GET_ITEM(sequence, 1); 
+      __Pyx_INCREF(__pyx_t_3);
+      __Pyx_INCREF(__pyx_t_4);
+    } else {
+      __Pyx_UnpackTupleError(((PyObject *)__pyx_v_fields), 2);
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_dtype))))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF(((PyObject *)__pyx_v_child));
+    __pyx_v_child = ((PyArray_Descr *)__pyx_t_3);
+    __pyx_t_3 = 0;
+    __Pyx_XDECREF(__pyx_v_new_offset);
+    __pyx_v_new_offset = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "numpy.pxd":797
+ *         child, new_offset = fields
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:             # <<<<<<<<<<<<<<
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
+ * 
+ */
+    __pyx_t_4 = PyInt_FromLong((__pyx_v_end - __pyx_v_f)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_3 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = PyNumber_Subtract(__pyx_v_new_offset, __pyx_t_3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_3 = PyNumber_Subtract(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_int_15, Py_LT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":798
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ */
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_10), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
+
+    /* "numpy.pxd":800
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or             # <<<<<<<<<<<<<<
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")
+ */
+    __pyx_t_6 = (__pyx_v_child->byteorder == '>');
+    if (__pyx_t_6) {
+      __pyx_t_7 = __pyx_v_little_endian;
+    } else {
+      __pyx_t_7 = __pyx_t_6;
+    }
+    if (!__pyx_t_7) {
+
+      /* "numpy.pxd":801
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):             # <<<<<<<<<<<<<<
+ *             raise ValueError(u"Non-native byte order not supported")
+ *             # One could encode it in the format string and have Cython
+ */
+      __pyx_t_6 = (__pyx_v_child->byteorder == '<');
+      if (__pyx_t_6) {
+        __pyx_t_8 = (!__pyx_v_little_endian);
+        __pyx_t_9 = __pyx_t_8;
+      } else {
+        __pyx_t_9 = __pyx_t_6;
+      }
+      __pyx_t_6 = __pyx_t_9;
+    } else {
+      __pyx_t_6 = __pyx_t_7;
+    }
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":802
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *             # One could encode it in the format string and have Cython
+ *             # complain instead, BUT: < and > in format strings also imply
+ */
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_11), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L6;
+    }
+    __pyx_L6:;
+
+    /* "numpy.pxd":812
+ * 
+ *         # Output padding bytes
+ *         while offset[0] < new_offset:             # <<<<<<<<<<<<<<
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1
+ */
+    while (1) {
+      __pyx_t_5 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_t_5, __pyx_v_new_offset, Py_LT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (!__pyx_t_6) break;
+
+      /* "numpy.pxd":813
+ *         # Output padding bytes
+ *         while offset[0] < new_offset:
+ *             f[0] = 120 # "x"; pad byte             # <<<<<<<<<<<<<<
+ *             f += 1
+ *             offset[0] += 1
+ */
+      (__pyx_v_f[0]) = 120;
+
+      /* "numpy.pxd":814
+ *         while offset[0] < new_offset:
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1             # <<<<<<<<<<<<<<
+ *             offset[0] += 1
+ * 
+ */
+      __pyx_v_f = (__pyx_v_f + 1);
+
+      /* "numpy.pxd":815
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1
+ *             offset[0] += 1             # <<<<<<<<<<<<<<
+ * 
+ *         offset[0] += child.itemsize
+ */
+      __pyx_t_10 = 0;
+      (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + 1);
+    }
+
+    /* "numpy.pxd":817
+ *             offset[0] += 1
+ * 
+ *         offset[0] += child.itemsize             # <<<<<<<<<<<<<<
+ * 
+ *         if not PyDataType_HASFIELDS(child):
+ */
+    __pyx_t_10 = 0;
+    (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + __pyx_v_child->elsize);
+
+    /* "numpy.pxd":819
+ *         offset[0] += child.itemsize
+ * 
+ *         if not PyDataType_HASFIELDS(child):             # <<<<<<<<<<<<<<
+ *             t = child.type_num
+ *             if end - f < 5:
+ */
+    __pyx_t_6 = (!PyDataType_HASFIELDS(__pyx_v_child));
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":820
+ * 
+ *         if not PyDataType_HASFIELDS(child):
+ *             t = child.type_num             # <<<<<<<<<<<<<<
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")
+ */
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_child->type_num); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 820; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_XDECREF(__pyx_v_t);
+      __pyx_v_t = __pyx_t_3;
+      __pyx_t_3 = 0;
+
+      /* "numpy.pxd":821
+ *         if not PyDataType_HASFIELDS(child):
+ *             t = child.type_num
+ *             if end - f < 5:             # <<<<<<<<<<<<<<
+ *                 raise RuntimeError(u"Format string allocated too short.")
+ * 
+ */
+      __pyx_t_6 = ((__pyx_v_end - __pyx_v_f) < 5);
+      if (__pyx_t_6) {
+
+        /* "numpy.pxd":822
+ *             t = child.type_num
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ */
+        __pyx_t_3 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_13), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        goto __pyx_L10;
+      }
+      __pyx_L10:;
+
+      /* "numpy.pxd":825
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_BYTE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 98;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":826
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_UBYTE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 66;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":827
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_SHORT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 104;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":828
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_USHORT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 72;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":829
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_INT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 105;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":830
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_UINT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 73;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":831
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 108;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":832
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_ULONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 76;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":833
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONGLONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 113;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":834
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_ULONGLONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 81;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":835
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_FLOAT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 102;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":836
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_DOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 100;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":837
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONGDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 103;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":838
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_CFLOAT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 102;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":839
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_CDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 100;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":840
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg             # <<<<<<<<<<<<<<
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ *             else:
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_CLONGDOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 103;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":841
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_OBJECT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 79;
+        goto __pyx_L11;
+      }
+      /*else*/ {
+
+        /* "numpy.pxd":843
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
+ *             f += 1
+ *         else:
+ */
+        __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_8), __pyx_v_t); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(((PyObject *)__pyx_t_5));
+        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_t_5));
+        __Pyx_GIVEREF(((PyObject *)__pyx_t_5));
+        __pyx_t_5 = 0;
+        __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+        __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      __pyx_L11:;
+
+      /* "numpy.pxd":844
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *             f += 1             # <<<<<<<<<<<<<<
+ *         else:
+ *             # Cython ignores struct boundary information ("T{...}"),
+ */
+      __pyx_v_f = (__pyx_v_f + 1);
+      goto __pyx_L9;
+    }
+    /*else*/ {
+
+      /* "numpy.pxd":848
+ *             # Cython ignores struct boundary information ("T{...}"),
+ *             # so don't output it
+ *             f = _util_dtypestring(child, f, end, offset)             # <<<<<<<<<<<<<<
+ *     return f
+ * 
+ */
+      __pyx_t_11 = __pyx_f_5numpy__util_dtypestring(__pyx_v_child, __pyx_v_f, __pyx_v_end, __pyx_v_offset); if (unlikely(__pyx_t_11 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_v_f = __pyx_t_11;
+    }
+    __pyx_L9:;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "numpy.pxd":849
+ *             # so don't output it
+ *             f = _util_dtypestring(child, f, end, offset)
+ *     return f             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_f;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("numpy._util_dtypestring", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_child);
+  __Pyx_XDECREF(__pyx_v_fields);
+  __Pyx_XDECREF(__pyx_v_childname);
+  __Pyx_XDECREF(__pyx_v_new_offset);
+  __Pyx_XDECREF(__pyx_v_t);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":964
+ * 
+ * 
+ * cdef inline void set_array_base(ndarray arr, object base):             # <<<<<<<<<<<<<<
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ */
+
+static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_arr, PyObject *__pyx_v_base) {
+  PyObject *__pyx_v_baseptr;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("set_array_base", 0);
+
+  /* "numpy.pxd":966
+ * cdef inline void set_array_base(ndarray arr, object base):
+ *      cdef PyObject* baseptr
+ *      if base is None:             # <<<<<<<<<<<<<<
+ *          baseptr = NULL
+ *      else:
+ */
+  __pyx_t_1 = (__pyx_v_base == Py_None);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":967
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ *          baseptr = NULL             # <<<<<<<<<<<<<<
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!
+ */
+    __pyx_v_baseptr = NULL;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":969
+ *          baseptr = NULL
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!             # <<<<<<<<<<<<<<
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)
+ */
+    Py_INCREF(__pyx_v_base);
+
+    /* "numpy.pxd":970
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!
+ *          baseptr = <PyObject*>base             # <<<<<<<<<<<<<<
+ *      Py_XDECREF(arr.base)
+ *      arr.base = baseptr
+ */
+    __pyx_v_baseptr = ((PyObject *)__pyx_v_base);
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":971
+ *          Py_INCREF(base) # important to do this before decref below!
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)             # <<<<<<<<<<<<<<
+ *      arr.base = baseptr
+ * 
+ */
+  Py_XDECREF(__pyx_v_arr->base);
+
+  /* "numpy.pxd":972
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)
+ *      arr.base = baseptr             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object get_array_base(ndarray arr):
+ */
+  __pyx_v_arr->base = __pyx_v_baseptr;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":974
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__pyx_v_arr) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("get_array_base", 0);
+
+  /* "numpy.pxd":975
+ * 
+ * cdef inline object get_array_base(ndarray arr):
+ *     if arr.base is NULL:             # <<<<<<<<<<<<<<
+ *         return None
+ *     else:
+ */
+  __pyx_t_1 = (__pyx_v_arr->base == NULL);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":976
+ * cdef inline object get_array_base(ndarray arr):
+ *     if arr.base is NULL:
+ *         return None             # <<<<<<<<<<<<<<
+ *     else:
+ *         return <object>arr.base
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(Py_None);
+    __pyx_r = Py_None;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":978
+ *         return None
+ *     else:
+ *         return <object>arr.base             # <<<<<<<<<<<<<<
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(((PyObject *)__pyx_v_arr->base));
+    __pyx_r = ((PyObject *)__pyx_v_arr->base);
+    goto __pyx_L0;
+  }
+  __pyx_L3:;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_tp_new_5simpl_14peak_detection_PeakDetection(PyTypeObject *t, PyObject *a, PyObject *k) {
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  if (__pyx_pw_5simpl_14peak_detection_13PeakDetection_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_5simpl_14peak_detection_PeakDetection(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_5simpl_14peak_detection_13PeakDetection_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_sampling_rate(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_13sampling_rate_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_sampling_rate(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_13sampling_rate_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_frame_size(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_10frame_size_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_frame_size(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_10frame_size_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_static_frame_size(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_17static_frame_size_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_static_frame_size(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_17static_frame_size_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_hop_size(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_8hop_size_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_hop_size(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_8hop_size_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_max_peaks(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_9max_peaks_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_max_peaks(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_9max_peaks_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_window_type(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_type_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_window_type(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_type_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_window_size(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_size_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_window_size(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_11window_size_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_min_peak_separation(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_min_peak_separation(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_19min_peak_separation_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_14peak_detection_13PeakDetection_frames(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_14peak_detection_13PeakDetection_6frames_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_14peak_detection_13PeakDetection_frames(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_14peak_detection_13PeakDetection_6frames_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyMethodDef __pyx_methods_5simpl_14peak_detection_PeakDetection[] = {
+  {__Pyx_NAMESTR("next_frame_size"), (PyCFunction)__pyx_pw_5simpl_14peak_detection_13PeakDetection_5next_frame_size, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("frame"), (PyCFunction)__pyx_pw_5simpl_14peak_detection_13PeakDetection_7frame, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("find_peaks_in_frame"), (PyCFunction)__pyx_pw_5simpl_14peak_detection_13PeakDetection_9find_peaks_in_frame, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("find_peaks"), (PyCFunction)__pyx_pw_5simpl_14peak_detection_13PeakDetection_11find_peaks, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_5simpl_14peak_detection_PeakDetection[] = {
+  {(char *)"sampling_rate", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_sampling_rate, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_sampling_rate, 0, 0},
+  {(char *)"frame_size", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_frame_size, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_frame_size, 0, 0},
+  {(char *)"static_frame_size", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_static_frame_size, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_static_frame_size, 0, 0},
+  {(char *)"hop_size", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_hop_size, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_hop_size, 0, 0},
+  {(char *)"max_peaks", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_max_peaks, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_max_peaks, 0, 0},
+  {(char *)"window_type", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_window_type, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_window_type, 0, 0},
+  {(char *)"window_size", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_window_size, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_window_size, 0, 0},
+  {(char *)"min_peak_separation", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_min_peak_separation, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_min_peak_separation, 0, 0},
+  {(char *)"frames", __pyx_getprop_5simpl_14peak_detection_13PeakDetection_frames, __pyx_setprop_5simpl_14peak_detection_13PeakDetection_frames, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_PeakDetection = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_PeakDetection = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_PeakDetection = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_PeakDetection = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_5simpl_14peak_detection_PeakDetection = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("simpl.peak_detection.PeakDetection"), /*tp_name*/
+  sizeof(struct __pyx_obj_5simpl_14peak_detection_PeakDetection), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_5simpl_14peak_detection_PeakDetection, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_PeakDetection, /*tp_as_number*/
+  &__pyx_tp_as_sequence_PeakDetection, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_PeakDetection, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_PeakDetection, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_5simpl_14peak_detection_PeakDetection, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_5simpl_14peak_detection_PeakDetection, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_5simpl_14peak_detection_PeakDetection, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_5simpl_14peak_detection_SMSPeakDetection(PyTypeObject *t, PyObject *a, PyObject *k) {
+  PyObject *o = __pyx_tp_new_5simpl_14peak_detection_PeakDetection(t, a, k);
+  if (!o) return 0;
+  if (__pyx_pw_5simpl_14peak_detection_16SMSPeakDetection_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_5simpl_14peak_detection_SMSPeakDetection(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_5simpl_14peak_detection_16SMSPeakDetection_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  __pyx_tp_dealloc_5simpl_14peak_detection_PeakDetection(o);
+}
+
+static PyMethodDef __pyx_methods_5simpl_14peak_detection_SMSPeakDetection[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_SMSPeakDetection = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_SMSPeakDetection = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_SMSPeakDetection = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_SMSPeakDetection = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_5simpl_14peak_detection_SMSPeakDetection = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("simpl.peak_detection.SMSPeakDetection"), /*tp_name*/
+  sizeof(struct __pyx_obj_5simpl_14peak_detection_SMSPeakDetection), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_5simpl_14peak_detection_SMSPeakDetection, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_SMSPeakDetection, /*tp_as_number*/
+  &__pyx_tp_as_sequence_SMSPeakDetection, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_SMSPeakDetection, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_SMSPeakDetection, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_5simpl_14peak_detection_SMSPeakDetection, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_5simpl_14peak_detection_SMSPeakDetection, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyMethodDef __pyx_methods[] = {
+  {0, 0, 0, 0}
+};
+
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef __pyx_moduledef = {
+    PyModuleDef_HEAD_INIT,
+    __Pyx_NAMESTR("peak_detection"),
+    0, /* m_doc */
+    -1, /* m_size */
+    __pyx_methods /* m_methods */,
+    NULL, /* m_reload */
+    NULL, /* m_traverse */
+    NULL, /* m_clear */
+    NULL /* m_free */
+};
+#endif
+
+static __Pyx_StringTabEntry __pyx_string_tab[] = {
+  {&__pyx_kp_u_12, __pyx_k_12, sizeof(__pyx_k_12), 0, 1, 0, 0},
+  {&__pyx_kp_u_2, __pyx_k_2, sizeof(__pyx_k_2), 0, 1, 0, 0},
+  {&__pyx_kp_u_4, __pyx_k_4, sizeof(__pyx_k_4), 0, 1, 0, 0},
+  {&__pyx_kp_u_6, __pyx_k_6, sizeof(__pyx_k_6), 0, 1, 0, 0},
+  {&__pyx_kp_u_8, __pyx_k_8, sizeof(__pyx_k_8), 0, 1, 0, 0},
+  {&__pyx_kp_u_9, __pyx_k_9, sizeof(__pyx_k_9), 0, 1, 0, 0},
+  {&__pyx_n_s__Exception, __pyx_k__Exception, sizeof(__pyx_k__Exception), 0, 0, 1, 1},
+  {&__pyx_n_s__NotImplemented, __pyx_k__NotImplemented, sizeof(__pyx_k__NotImplemented), 0, 0, 1, 1},
+  {&__pyx_n_s__RuntimeError, __pyx_k__RuntimeError, sizeof(__pyx_k__RuntimeError), 0, 0, 1, 1},
+  {&__pyx_n_s__ValueError, __pyx_k__ValueError, sizeof(__pyx_k__ValueError), 0, 0, 1, 1},
+  {&__pyx_n_s____main__, __pyx_k____main__, sizeof(__pyx_k____main__), 0, 0, 1, 1},
+  {&__pyx_n_s____test__, __pyx_k____test__, sizeof(__pyx_k____test__), 0, 0, 1, 1},
+  {&__pyx_n_s__frame, __pyx_k__frame, sizeof(__pyx_k__frame), 0, 0, 1, 1},
+  {&__pyx_n_s__np, __pyx_k__np, sizeof(__pyx_k__np), 0, 0, 1, 1},
+  {&__pyx_n_s__numpy, __pyx_k__numpy, sizeof(__pyx_k__numpy), 0, 0, 1, 1},
+  {&__pyx_n_s__range, __pyx_k__range, sizeof(__pyx_k__range), 0, 0, 1, 1},
+  {0, 0, 0, 0, 0, 0, 0}
+};
+static int __Pyx_InitCachedBuiltins(void) {
+  __pyx_builtin_range = __Pyx_GetName(__pyx_b, __pyx_n_s__range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_Exception = __Pyx_GetName(__pyx_b, __pyx_n_s__Exception); if (!__pyx_builtin_Exception) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_RuntimeError = __Pyx_GetName(__pyx_b, __pyx_n_s__RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+static int __Pyx_InitCachedConstants(void) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
+
+  /* "simpl/peak_detection.pyx":67
+ *             return [self.frame(i) for i in range(self.thisptr.num_frames())]
+ *         def __set__(self, f):
+ *             raise Exception("NotImplemented")             # <<<<<<<<<<<<<<
+ * 
+ *     def find_peaks_in_frame(self, Frame frame not None):
+ */
+  __pyx_k_tuple_1 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_1);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__NotImplemented));
+  PyTuple_SET_ITEM(__pyx_k_tuple_1, 0, ((PyObject *)__pyx_n_s__NotImplemented));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__NotImplemented));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_1));
+
+  /* "numpy.pxd":214
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ */
+  __pyx_k_tuple_3 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_3);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_2));
+  PyTuple_SET_ITEM(__pyx_k_tuple_3, 0, ((PyObject *)__pyx_kp_u_2));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_2));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_3));
+
+  /* "numpy.pxd":218
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             info.buf = PyArray_DATA(self)
+ */
+  __pyx_k_tuple_5 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_5);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_4));
+  PyTuple_SET_ITEM(__pyx_k_tuple_5, 0, ((PyObject *)__pyx_kp_u_4));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_4));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_5));
+
+  /* "numpy.pxd":256
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ */
+  __pyx_k_tuple_7 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_7)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_7);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_6));
+  PyTuple_SET_ITEM(__pyx_k_tuple_7, 0, ((PyObject *)__pyx_kp_u_6));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_6));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_7));
+
+  /* "numpy.pxd":798
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ */
+  __pyx_k_tuple_10 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_10)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_10);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_9));
+  PyTuple_SET_ITEM(__pyx_k_tuple_10, 0, ((PyObject *)__pyx_kp_u_9));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_9));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_10));
+
+  /* "numpy.pxd":802
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *             # One could encode it in the format string and have Cython
+ *             # complain instead, BUT: < and > in format strings also imply
+ */
+  __pyx_k_tuple_11 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_11)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_11);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_6));
+  PyTuple_SET_ITEM(__pyx_k_tuple_11, 0, ((PyObject *)__pyx_kp_u_6));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_6));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_11));
+
+  /* "numpy.pxd":822
+ *             t = child.type_num
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ */
+  __pyx_k_tuple_13 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_13)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_13);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_12));
+  PyTuple_SET_ITEM(__pyx_k_tuple_13, 0, ((PyObject *)__pyx_kp_u_12));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_12));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_13));
+  __Pyx_RefNannyFinishContext();
+  return 0;
+  __pyx_L1_error:;
+  __Pyx_RefNannyFinishContext();
+  return -1;
+}
+
+static int __Pyx_InitGlobals(void) {
+  if (__Pyx_InitStrings(__pyx_string_tab) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  __pyx_int_15 = PyInt_FromLong(15); if (unlikely(!__pyx_int_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+#if PY_MAJOR_VERSION < 3
+PyMODINIT_FUNC initpeak_detection(void); /*proto*/
+PyMODINIT_FUNC initpeak_detection(void)
+#else
+PyMODINIT_FUNC PyInit_peak_detection(void); /*proto*/
+PyMODINIT_FUNC PyInit_peak_detection(void)
+#endif
+{
+  PyObject *__pyx_t_1 = NULL;
+  __Pyx_RefNannyDeclarations
+  #if CYTHON_REFNANNY
+  __Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
+  if (!__Pyx_RefNanny) {
+      PyErr_Clear();
+      __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny");
+      if (!__Pyx_RefNanny)
+          Py_FatalError("failed to import 'refnanny' module");
+  }
+  #endif
+  __Pyx_RefNannySetupContext("PyMODINIT_FUNC PyInit_peak_detection(void)", 0);
+  if ( __Pyx_check_binary_version() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #ifdef __Pyx_CyFunction_USED
+  if (__Pyx_CyFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  if (__pyx_FusedFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  #ifdef __Pyx_Generator_USED
+  if (__pyx_Generator_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  /*--- Library function declarations ---*/
+  /*--- Threads initialization code ---*/
+  #if defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS
+  #ifdef WITH_THREAD /* Python build with threading support? */
+  PyEval_InitThreads();
+  #endif
+  #endif
+  /*--- Module creation code ---*/
+  #if PY_MAJOR_VERSION < 3
+  __pyx_m = Py_InitModule4(__Pyx_NAMESTR("peak_detection"), __pyx_methods, 0, 0, PYTHON_API_VERSION);
+  #else
+  __pyx_m = PyModule_Create(&__pyx_moduledef);
+  #endif
+  if (!__pyx_m) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  #if PY_MAJOR_VERSION < 3
+  Py_INCREF(__pyx_m);
+  #endif
+  __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME));
+  if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  if (__Pyx_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  /*--- Initialize various global constants etc. ---*/
+  if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__pyx_module_is_main_simpl__peak_detection) {
+    if (__Pyx_SetAttrString(__pyx_m, "__name__", __pyx_n_s____main__) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  }
+  /*--- Builtin init code ---*/
+  if (unlikely(__Pyx_InitCachedBuiltins() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Constants init code ---*/
+  if (unlikely(__Pyx_InitCachedConstants() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Global init code ---*/
+  /*--- Variable export code ---*/
+  /*--- Function export code ---*/
+  /*--- Type init code ---*/
+  if (PyType_Ready(&__pyx_type_5simpl_14peak_detection_PeakDetection) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 12; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "PeakDetection", (PyObject *)&__pyx_type_5simpl_14peak_detection_PeakDetection) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 12; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_14peak_detection_PeakDetection = &__pyx_type_5simpl_14peak_detection_PeakDetection;
+  __pyx_type_5simpl_14peak_detection_SMSPeakDetection.tp_base = __pyx_ptype_5simpl_14peak_detection_PeakDetection;
+  if (PyType_Ready(&__pyx_type_5simpl_14peak_detection_SMSPeakDetection) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "SMSPeakDetection", (PyObject *)&__pyx_type_5simpl_14peak_detection_SMSPeakDetection) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_14peak_detection_SMSPeakDetection = &__pyx_type_5simpl_14peak_detection_SMSPeakDetection;
+  /*--- Type import code ---*/
+  __pyx_ptype_5numpy_dtype = __Pyx_ImportType("numpy", "dtype", sizeof(PyArray_Descr), 0); if (unlikely(!__pyx_ptype_5numpy_dtype)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 154; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_flatiter = __Pyx_ImportType("numpy", "flatiter", sizeof(PyArrayIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_flatiter)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_broadcast = __Pyx_ImportType("numpy", "broadcast", sizeof(PyArrayMultiIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_broadcast)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_ndarray = __Pyx_ImportType("numpy", "ndarray", sizeof(PyArrayObject), 0); if (unlikely(!__pyx_ptype_5numpy_ndarray)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_ufunc = __Pyx_ImportType("numpy", "ufunc", sizeof(PyUFuncObject), 0); if (unlikely(!__pyx_ptype_5numpy_ufunc)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_4base_Peak = __Pyx_ImportType("simpl.base", "Peak", sizeof(struct __pyx_obj_5simpl_4base_Peak), 1); if (unlikely(!__pyx_ptype_5simpl_4base_Peak)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_5simpl_4base_Peak = (struct __pyx_vtabstruct_5simpl_4base_Peak*)__Pyx_GetVtable(__pyx_ptype_5simpl_4base_Peak->tp_dict); if (unlikely(!__pyx_vtabptr_5simpl_4base_Peak)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_4base_Frame = __Pyx_ImportType("simpl.base", "Frame", sizeof(struct __pyx_obj_5simpl_4base_Frame), 1); if (unlikely(!__pyx_ptype_5simpl_4base_Frame)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_5simpl_4base_Frame = (struct __pyx_vtabstruct_5simpl_4base_Frame*)__Pyx_GetVtable(__pyx_ptype_5simpl_4base_Frame->tp_dict); if (unlikely(!__pyx_vtabptr_5simpl_4base_Frame)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Variable import code ---*/
+  /*--- Function import code ---*/
+  /*--- Execution code ---*/
+
+  /* "simpl/peak_detection.pyx":1
+ * import numpy as np             # <<<<<<<<<<<<<<
+ * cimport numpy as np
+ * np.import_array()
+ */
+  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__numpy), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__np, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/peak_detection.pyx":3
+ * import numpy as np
+ * cimport numpy as np
+ * np.import_array()             # <<<<<<<<<<<<<<
+ * from libcpp.vector cimport vector
+ * 
+ */
+  import_array();
+
+  /* "simpl/peak_detection.pyx":1
+ * import numpy as np             # <<<<<<<<<<<<<<
+ * cimport numpy as np
+ * np.import_array()
+ */
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_1)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+
+  /* "numpy.pxd":974
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  if (__pyx_m) {
+    __Pyx_AddTraceback("init simpl.peak_detection", __pyx_clineno, __pyx_lineno, __pyx_filename);
+    Py_DECREF(__pyx_m); __pyx_m = 0;
+  } else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_ImportError, "init simpl.peak_detection");
+  }
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  #if PY_MAJOR_VERSION < 3
+  return;
+  #else
+  return __pyx_m;
+  #endif
+}
+
+/* Runtime support code */
+#if CYTHON_REFNANNY
+static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
+    PyObject *m = NULL, *p = NULL;
+    void *r = NULL;
+    m = PyImport_ImportModule((char *)modname);
+    if (!m) goto end;
+    p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
+    if (!p) goto end;
+    r = PyLong_AsVoidPtr(p);
+end:
+    Py_XDECREF(p);
+    Py_XDECREF(m);
+    return (__Pyx_RefNannyAPIStruct *)r;
+}
+#endif /* CYTHON_REFNANNY */
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name) {
+    PyObject *result;
+    result = PyObject_GetAttr(dict, name);
+    if (!result) {
+        if (dict != __pyx_b) {
+            PyErr_Clear();
+            result = PyObject_GetAttr(__pyx_b, name);
+        }
+        if (!result) {
+            PyErr_SetObject(PyExc_NameError, name);
+        }
+    }
+    return result;
+}
+
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
+    PyObject *kwdict,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+    while (PyDict_Next(kwdict, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
+        #else
+        if (unlikely(!PyUnicode_Check(key)))
+        #endif
+            goto invalid_keyword_type;
+    }
+    if ((!kw_allowed) && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%s() keywords must be strings", function_name);
+    return 0;
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%s() got an unexpected keyword argument '%s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    tmp_type = tstate->curexc_type;
+    tmp_value = tstate->curexc_value;
+    tmp_tb = tstate->curexc_traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_Restore(type, value, tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(type, value, tb);
+#endif
+}
+
+#if PY_MAJOR_VERSION < 3
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
+                        CYTHON_UNUSED PyObject *cause) {
+    Py_XINCREF(type);
+    Py_XINCREF(value);
+    Py_XINCREF(tb);
+    if (tb == Py_None) {
+        Py_DECREF(tb);
+        tb = 0;
+    }
+    else if (tb != NULL && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto raise_error;
+    }
+    if (value == NULL) {
+        value = Py_None;
+        Py_INCREF(value);
+    }
+    #if PY_VERSION_HEX < 0x02050000
+    if (!PyClass_Check(type))
+    #else
+    if (!PyType_Check(type))
+    #endif
+    {
+        if (value != Py_None) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto raise_error;
+        }
+        Py_DECREF(value);
+        value = type;
+        #if PY_VERSION_HEX < 0x02050000
+            if (PyInstance_Check(type)) {
+                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
+                Py_INCREF(type);
+            }
+            else {
+                type = 0;
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception must be an old-style class or instance");
+                goto raise_error;
+            }
+        #else
+            type = (PyObject*) Py_TYPE(type);
+            Py_INCREF(type);
+            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception class must be a subclass of BaseException");
+                goto raise_error;
+            }
+        #endif
+    }
+    __Pyx_ErrRestore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
+}
+#else /* Python 3+ */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (!PyExceptionClass_Check(type)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        }
+        else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        }
+        else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        if (!value) {
+            value = PyObject_CallObject(type, NULL);
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+        PyThreadState *tstate = PyThreadState_GET();
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+    }
+bad:
+    return;
+}
+#endif
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact)
+{
+    if (!type) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (none_allowed && obj == Py_None) return 1;
+    else if (exact) {
+        if (Py_TYPE(obj) == type) return 1;
+    }
+    else {
+        if (PyObject_TypeCheck(obj, type)) return 1;
+    }
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%s' has incorrect type (expected %s, got %s)",
+        name, type->tp_name, Py_TYPE(obj)->tp_name);
+    return 0;
+}
+
+static CYTHON_INLINE int __Pyx_IsLittleEndian(void) {
+  unsigned int n = 1;
+  return *(unsigned char*)(&n) != 0;
+}
+static void __Pyx_BufFmt_Init(__Pyx_BufFmt_Context* ctx,
+                              __Pyx_BufFmt_StackElem* stack,
+                              __Pyx_TypeInfo* type) {
+  stack[0].field = &ctx->root;
+  stack[0].parent_offset = 0;
+  ctx->root.type = type;
+  ctx->root.name = "buffer dtype";
+  ctx->root.offset = 0;
+  ctx->head = stack;
+  ctx->head->field = &ctx->root;
+  ctx->fmt_offset = 0;
+  ctx->head->parent_offset = 0;
+  ctx->new_packmode = '@';
+  ctx->enc_packmode = '@';
+  ctx->new_count = 1;
+  ctx->enc_count = 0;
+  ctx->enc_type = 0;
+  ctx->is_complex = 0;
+  ctx->is_valid_array = 0;
+  ctx->struct_alignment = 0;
+  while (type->typegroup == 'S') {
+    ++ctx->head;
+    ctx->head->field = type->fields;
+    ctx->head->parent_offset = 0;
+    type = type->fields->type;
+  }
+}
+static int __Pyx_BufFmt_ParseNumber(const char** ts) {
+    int count;
+    const char* t = *ts;
+    if (*t < '0' || *t > '9') {
+      return -1;
+    } else {
+        count = *t++ - '0';
+        while (*t >= '0' && *t < '9') {
+            count *= 10;
+            count += *t++ - '0';
+        }
+    }
+    *ts = t;
+    return count;
+}
+static int __Pyx_BufFmt_ExpectNumber(const char **ts) {
+    int number = __Pyx_BufFmt_ParseNumber(ts);
+    if (number == -1) /* First char was not a digit */
+        PyErr_Format(PyExc_ValueError,\
+                     "Does not understand character buffer dtype format string ('%c')", **ts);
+    return number;
+}
+static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) {
+  PyErr_Format(PyExc_ValueError,
+               "Unexpected format string character: '%c'", ch);
+}
+static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
+  switch (ch) {
+    case 'b': return "'char'";
+    case 'B': return "'unsigned char'";
+    case 'h': return "'short'";
+    case 'H': return "'unsigned short'";
+    case 'i': return "'int'";
+    case 'I': return "'unsigned int'";
+    case 'l': return "'long'";
+    case 'L': return "'unsigned long'";
+    case 'q': return "'long long'";
+    case 'Q': return "'unsigned long long'";
+    case 'f': return (is_complex ? "'complex float'" : "'float'");
+    case 'd': return (is_complex ? "'complex double'" : "'double'");
+    case 'g': return (is_complex ? "'complex long double'" : "'long double'");
+    case 'T': return "a struct";
+    case 'O': return "Python object";
+    case 'P': return "a pointer";
+    case 's': case 'p': return "a string";
+    case 0: return "end";
+    default: return "unparseable format string";
+  }
+}
+static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return 2;
+    case 'i': case 'I': case 'l': case 'L': return 4;
+    case 'q': case 'Q': return 8;
+    case 'f': return (is_complex ? 8 : 4);
+    case 'd': return (is_complex ? 16 : 8);
+    case 'g': {
+      PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g')..");
+      return 0;
+    }
+    case 'O': case 'P': return sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) {
+  switch (ch) {
+    case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(short);
+    case 'i': case 'I': return sizeof(int);
+    case 'l': case 'L': return sizeof(long);
+    #ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(PY_LONG_LONG);
+    #endif
+    case 'f': return sizeof(float) * (is_complex ? 2 : 1);
+    case 'd': return sizeof(double) * (is_complex ? 2 : 1);
+    case 'g': return sizeof(long double) * (is_complex ? 2 : 1);
+    case 'O': case 'P': return sizeof(void*);
+    default: {
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+  }
+}
+typedef struct { char c; short x; } __Pyx_st_short;
+typedef struct { char c; int x; } __Pyx_st_int;
+typedef struct { char c; long x; } __Pyx_st_long;
+typedef struct { char c; float x; } __Pyx_st_float;
+typedef struct { char c; double x; } __Pyx_st_double;
+typedef struct { char c; long double x; } __Pyx_st_longdouble;
+typedef struct { char c; void *x; } __Pyx_st_void_p;
+#ifdef HAVE_LONG_LONG
+typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
+#endif
+static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
+    case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int);
+    case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long);
+#ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG);
+#endif
+    case 'f': return sizeof(__Pyx_st_float) - sizeof(float);
+    case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
+    case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double);
+    case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+/* These are for computing the padding at the end of the struct to align
+   on the first member of the struct. This will probably the same as above,
+   but we don't have any guarantees.
+ */
+typedef struct { short x; char c; } __Pyx_pad_short;
+typedef struct { int x; char c; } __Pyx_pad_int;
+typedef struct { long x; char c; } __Pyx_pad_long;
+typedef struct { float x; char c; } __Pyx_pad_float;
+typedef struct { double x; char c; } __Pyx_pad_double;
+typedef struct { long double x; char c; } __Pyx_pad_longdouble;
+typedef struct { void *x; char c; } __Pyx_pad_void_p;
+#ifdef HAVE_LONG_LONG
+typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
+#endif
+static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
+    case 'i': case 'I': return sizeof(__Pyx_pad_int) - sizeof(int);
+    case 'l': case 'L': return sizeof(__Pyx_pad_long) - sizeof(long);
+#ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(__Pyx_pad_longlong) - sizeof(PY_LONG_LONG);
+#endif
+    case 'f': return sizeof(__Pyx_pad_float) - sizeof(float);
+    case 'd': return sizeof(__Pyx_pad_double) - sizeof(double);
+    case 'g': return sizeof(__Pyx_pad_longdouble) - sizeof(long double);
+    case 'P': case 'O': return sizeof(__Pyx_pad_void_p) - sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
+  switch (ch) {
+    case 'c': case 'b': case 'h': case 'i':
+    case 'l': case 'q': case 's': case 'p':
+        return 'I';
+    case 'B': case 'H': case 'I': case 'L': case 'Q':
+        return 'U';
+    case 'f': case 'd': case 'g':
+        return (is_complex ? 'C' : 'R');
+    case 'O':
+        return 'O';
+    case 'P':
+        return 'P';
+    default: {
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+  }
+}
+static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) {
+  if (ctx->head == NULL || ctx->head->field == &ctx->root) {
+    const char* expected;
+    const char* quote;
+    if (ctx->head == NULL) {
+      expected = "end";
+      quote = "";
+    } else {
+      expected = ctx->head->field->type->name;
+      quote = "'";
+    }
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer dtype mismatch, expected %s%s%s but got %s",
+                 quote, expected, quote,
+                 __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex));
+  } else {
+    __Pyx_StructField* field = ctx->head->field;
+    __Pyx_StructField* parent = (ctx->head - 1)->field;
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'",
+                 field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex),
+                 parent->type->name, field->name);
+  }
+}
+static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
+  char group;
+  size_t size, offset, arraysize = 1;
+  if (ctx->enc_type == 0) return 0;
+  if (ctx->head->field->type->arraysize[0]) {
+    int i, ndim = 0;
+    if (ctx->enc_type == 's' || ctx->enc_type == 'p') {
+        ctx->is_valid_array = ctx->head->field->type->ndim == 1;
+        ndim = 1;
+        if (ctx->enc_count != ctx->head->field->type->arraysize[0]) {
+            PyErr_Format(PyExc_ValueError,
+                         "Expected a dimension of size %zu, got %zu",
+                         ctx->head->field->type->arraysize[0], ctx->enc_count);
+            return -1;
+        }
+    }
+    if (!ctx->is_valid_array) {
+      PyErr_Format(PyExc_ValueError, "Expected %d dimensions, got %d",
+                   ctx->head->field->type->ndim, ndim);
+      return -1;
+    }
+    for (i = 0; i < ctx->head->field->type->ndim; i++) {
+      arraysize *= ctx->head->field->type->arraysize[i];
+    }
+    ctx->is_valid_array = 0;
+    ctx->enc_count = 1;
+  }
+  group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex);
+  do {
+    __Pyx_StructField* field = ctx->head->field;
+    __Pyx_TypeInfo* type = field->type;
+    if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') {
+      size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex);
+    } else {
+      size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex);
+    }
+    if (ctx->enc_packmode == '@') {
+      size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex);
+      size_t align_mod_offset;
+      if (align_at == 0) return -1;
+      align_mod_offset = ctx->fmt_offset % align_at;
+      if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset;
+      if (ctx->struct_alignment == 0)
+          ctx->struct_alignment = __Pyx_BufFmt_TypeCharToPadding(ctx->enc_type,
+                                                                 ctx->is_complex);
+    }
+    if (type->size != size || type->typegroup != group) {
+      if (type->typegroup == 'C' && type->fields != NULL) {
+        size_t parent_offset = ctx->head->parent_offset + field->offset;
+        ++ctx->head;
+        ctx->head->field = type->fields;
+        ctx->head->parent_offset = parent_offset;
+        continue;
+      }
+      __Pyx_BufFmt_RaiseExpected(ctx);
+      return -1;
+    }
+    offset = ctx->head->parent_offset + field->offset;
+    if (ctx->fmt_offset != offset) {
+      PyErr_Format(PyExc_ValueError,
+                   "Buffer dtype mismatch; next field is at offset %"PY_FORMAT_SIZE_T"d but %"PY_FORMAT_SIZE_T"d expected",
+                   (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
+      return -1;
+    }
+    ctx->fmt_offset += size;
+    if (arraysize)
+      ctx->fmt_offset += (arraysize - 1) * size;
+    --ctx->enc_count; /* Consume from buffer string */
+    while (1) {
+      if (field == &ctx->root) {
+        ctx->head = NULL;
+        if (ctx->enc_count != 0) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return -1;
+        }
+        break; /* breaks both loops as ctx->enc_count == 0 */
+      }
+      ctx->head->field = ++field;
+      if (field->type == NULL) {
+        --ctx->head;
+        field = ctx->head->field;
+        continue;
+      } else if (field->type->typegroup == 'S') {
+        size_t parent_offset = ctx->head->parent_offset + field->offset;
+        if (field->type->fields->type == NULL) continue; /* empty struct */
+        field = field->type->fields;
+        ++ctx->head;
+        ctx->head->field = field;
+        ctx->head->parent_offset = parent_offset;
+        break;
+      } else {
+        break;
+      }
+    }
+  } while (ctx->enc_count);
+  ctx->enc_type = 0;
+  ctx->is_complex = 0;
+  return 0;
+}
+static CYTHON_INLINE PyObject *
+__pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
+{
+    const char *ts = *tsp;
+    int i = 0, number;
+    int ndim = ctx->head->field->type->ndim;
+;
+    ++ts;
+    if (ctx->new_count != 1) {
+        PyErr_SetString(PyExc_ValueError,
+                        "Cannot handle repeated arrays in format string");
+        return NULL;
+    }
+    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+    while (*ts && *ts != ')') {
+        if (isspace(*ts))
+            continue;
+        number = __Pyx_BufFmt_ExpectNumber(&ts);
+        if (number == -1) return NULL;
+        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
+            return PyErr_Format(PyExc_ValueError,
+                        "Expected a dimension of size %zu, got %d",
+                        ctx->head->field->type->arraysize[i], number);
+        if (*ts != ',' && *ts != ')')
+            return PyErr_Format(PyExc_ValueError,
+                                "Expected a comma in format string, got '%c'", *ts);
+        if (*ts == ',') ts++;
+        i++;
+    }
+    if (i != ndim)
+        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
+                            ctx->head->field->type->ndim, i);
+    if (!*ts) {
+        PyErr_SetString(PyExc_ValueError,
+                        "Unexpected end of format string, expected ')'");
+        return NULL;
+    }
+    ctx->is_valid_array = 1;
+    ctx->new_count = 1;
+    *tsp = ++ts;
+    return Py_None;
+}
+static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
+  int got_Z = 0;
+  while (1) {
+    switch(*ts) {
+      case 0:
+        if (ctx->enc_type != 0 && ctx->head == NULL) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return NULL;
+        }
+        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+        if (ctx->head != NULL) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return NULL;
+        }
+                return ts;
+      case ' ':
+      case 10:
+      case 13:
+        ++ts;
+        break;
+      case '<':
+        if (!__Pyx_IsLittleEndian()) {
+          PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler");
+          return NULL;
+        }
+        ctx->new_packmode = '=';
+        ++ts;
+        break;
+      case '>':
+      case '!':
+        if (__Pyx_IsLittleEndian()) {
+          PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler");
+          return NULL;
+        }
+        ctx->new_packmode = '=';
+        ++ts;
+        break;
+      case '=':
+      case '@':
+      case '^':
+        ctx->new_packmode = *ts++;
+        break;
+      case 'T': /* substruct */
+        {
+          const char* ts_after_sub;
+          size_t i, struct_count = ctx->new_count;
+          size_t struct_alignment = ctx->struct_alignment;
+          ctx->new_count = 1;
+          ++ts;
+          if (*ts != '{') {
+            PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
+            return NULL;
+          }
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_type = 0; /* Erase processed last struct element */
+          ctx->enc_count = 0;
+          ctx->struct_alignment = 0;
+          ++ts;
+          ts_after_sub = ts;
+          for (i = 0; i != struct_count; ++i) {
+            ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts);
+            if (!ts_after_sub) return NULL;
+          }
+          ts = ts_after_sub;
+          if (struct_alignment) ctx->struct_alignment = struct_alignment;
+        }
+        break;
+      case '}': /* end of substruct; either repeat or move on */
+        {
+          size_t alignment = ctx->struct_alignment;
+          ++ts;
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_type = 0; /* Erase processed last struct element */
+          if (alignment && ctx->fmt_offset % alignment) {
+            ctx->fmt_offset += alignment - (ctx->fmt_offset % alignment);
+          }
+        }
+        return ts;
+      case 'x':
+        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+        ctx->fmt_offset += ctx->new_count;
+        ctx->new_count = 1;
+        ctx->enc_count = 0;
+        ctx->enc_type = 0;
+        ctx->enc_packmode = ctx->new_packmode;
+        ++ts;
+        break;
+      case 'Z':
+        got_Z = 1;
+        ++ts;
+        if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
+          __Pyx_BufFmt_RaiseUnexpectedChar('Z');
+          return NULL;
+        }        /* fall through */
+      case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
+      case 'l': case 'L': case 'q': case 'Q':
+      case 'f': case 'd': case 'g':
+      case 'O': case 's': case 'p':
+        if (ctx->enc_type == *ts && got_Z == ctx->is_complex &&
+            ctx->enc_packmode == ctx->new_packmode) {
+          ctx->enc_count += ctx->new_count;
+        } else {
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_count = ctx->new_count;
+          ctx->enc_packmode = ctx->new_packmode;
+          ctx->enc_type = *ts;
+          ctx->is_complex = got_Z;
+        }
+        ++ts;
+        ctx->new_count = 1;
+        got_Z = 0;
+        break;
+      case ':':
+        ++ts;
+        while(*ts != ':') ++ts;
+        ++ts;
+        break;
+      case '(':
+        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
+        break;
+      default:
+        {
+          int number = __Pyx_BufFmt_ExpectNumber(&ts);
+          if (number == -1) return NULL;
+          ctx->new_count = (size_t)number;
+        }
+    }
+  }
+}
+static CYTHON_INLINE void __Pyx_ZeroBuffer(Py_buffer* buf) {
+  buf->buf = NULL;
+  buf->obj = NULL;
+  buf->strides = __Pyx_zeros;
+  buf->shape = __Pyx_zeros;
+  buf->suboffsets = __Pyx_minusones;
+}
+static CYTHON_INLINE int __Pyx_GetBufferAndValidate(
+        Py_buffer* buf, PyObject* obj,  __Pyx_TypeInfo* dtype, int flags,
+        int nd, int cast, __Pyx_BufFmt_StackElem* stack)
+{
+  if (obj == Py_None || obj == NULL) {
+    __Pyx_ZeroBuffer(buf);
+    return 0;
+  }
+  buf->buf = NULL;
+  if (__Pyx_GetBuffer(obj, buf, flags) == -1) goto fail;
+  if (buf->ndim != nd) {
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer has wrong number of dimensions (expected %d, got %d)",
+                 nd, buf->ndim);
+    goto fail;
+  }
+  if (!cast) {
+    __Pyx_BufFmt_Context ctx;
+    __Pyx_BufFmt_Init(&ctx, stack, dtype);
+    if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail;
+  }
+  if ((unsigned)buf->itemsize != dtype->size) {
+    PyErr_Format(PyExc_ValueError,
+      "Item size of buffer (%"PY_FORMAT_SIZE_T"d byte%s) does not match size of '%s' (%"PY_FORMAT_SIZE_T"d byte%s)",
+      buf->itemsize, (buf->itemsize > 1) ? "s" : "",
+      dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : "");
+    goto fail;
+  }
+  if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones;
+  return 0;
+fail:;
+  __Pyx_ZeroBuffer(buf);
+  return -1;
+}
+static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
+  if (info->buf == NULL) return;
+  if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL;
+  __Pyx_ReleaseBuffer(info);
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    PyErr_Format(PyExc_ValueError,
+                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
+                 index, (index == 1) ? "" : "s");
+}
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+}
+
+static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
+    if (t == Py_None) {
+      __Pyx_RaiseNoneNotIterableError();
+    } else if (PyTuple_GET_SIZE(t) < index) {
+      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
+    } else {
+      __Pyx_RaiseTooManyValuesError(index);
+    }
+}
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    if (unlikely(!type)) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (likely(PyObject_TypeCheck(obj, type)))
+        return 1;
+    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
+                 Py_TYPE(obj)->tp_name, type->tp_name);
+    return 0;
+}
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
+    PyObject *py_import = 0;
+    PyObject *empty_list = 0;
+    PyObject *module = 0;
+    PyObject *global_dict = 0;
+    PyObject *empty_dict = 0;
+    PyObject *list;
+    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
+    if (!py_import)
+        goto bad;
+    if (from_list)
+        list = from_list;
+    else {
+        empty_list = PyList_New(0);
+        if (!empty_list)
+            goto bad;
+        list = empty_list;
+    }
+    global_dict = PyModule_GetDict(__pyx_m);
+    if (!global_dict)
+        goto bad;
+    empty_dict = PyDict_New();
+    if (!empty_dict)
+        goto bad;
+    #if PY_VERSION_HEX >= 0x02050000
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.')) {
+                /* try package relative import first */
+                PyObject *py_level = PyInt_FromLong(1);
+                if (!py_level)
+                    goto bad;
+                module = PyObject_CallFunctionObjArgs(py_import,
+                    name, global_dict, empty_dict, list, py_level, NULL);
+                Py_DECREF(py_level);
+                if (!module) {
+                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0; /* try absolute import on failure */
+        }
+        #endif
+        if (!module) {
+            PyObject *py_level = PyInt_FromLong(level);
+            if (!py_level)
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, global_dict, empty_dict, list, py_level, NULL);
+            Py_DECREF(py_level);
+        }
+    }
+    #else
+    if (level>0) {
+        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
+        goto bad;
+    }
+    module = PyObject_CallFunctionObjArgs(py_import,
+        name, global_dict, empty_dict, list, NULL);
+    #endif
+bad:
+    Py_XDECREF(empty_list);
+    Py_XDECREF(py_import);
+    Py_XDECREF(empty_dict);
+    return module;
+}
+
+static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name) {
+#if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_ImportError, "cannot import name %.230s",
+                 PyString_AsString(name));
+#else
+    PyErr_Format(PyExc_ImportError, "cannot import name %S", name);
+#endif
+}
+
+#if PY_MAJOR_VERSION < 3
+static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
+    PyObject *getbuffer_cobj;
+
+  #if PY_VERSION_HEX >= 0x02060000
+    if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
+  #endif
+
+        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pw_5numpy_7ndarray_1__getbuffer__(obj, view, flags);
+
+  #if PY_VERSION_HEX < 0x02060000
+    if (obj->ob_type->tp_dict &&
+        (getbuffer_cobj = PyMapping_GetItemString(obj->ob_type->tp_dict,
+                                             "__pyx_getbuffer"))) {
+        getbufferproc func;
+
+      #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION == 0)
+        func = (getbufferproc) PyCapsule_GetPointer(getbuffer_cobj, "getbuffer(obj, view, flags)");
+      #else
+        func = (getbufferproc) PyCObject_AsVoidPtr(getbuffer_cobj);
+      #endif
+        Py_DECREF(getbuffer_cobj);
+        if (!func)
+            goto fail;
+
+        return func(obj, view, flags);
+    } else {
+        PyErr_Clear();
+    }
+  #endif
+
+    PyErr_Format(PyExc_TypeError, "'%100s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
+
+#if PY_VERSION_HEX < 0x02060000
+fail:
+#endif
+
+    return -1;
+}
+
+static void __Pyx_ReleaseBuffer(Py_buffer *view) {
+    PyObject *obj = view->obj;
+    PyObject *releasebuffer_cobj;
+
+    if (!obj) return;
+
+  #if PY_VERSION_HEX >= 0x02060000
+    if (PyObject_CheckBuffer(obj)) {
+        PyBuffer_Release(view);
+        return;
+    }
+  #endif
+
+        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) { __pyx_pw_5numpy_7ndarray_3__releasebuffer__(obj, view); return; }
+
+  #if PY_VERSION_HEX < 0x02060000
+    if (obj->ob_type->tp_dict &&
+        (releasebuffer_cobj = PyMapping_GetItemString(obj->ob_type->tp_dict,
+                                                      "__pyx_releasebuffer"))) {
+        releasebufferproc func;
+
+      #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION == 0)
+        func = (releasebufferproc) PyCapsule_GetPointer(releasebuffer_cobj, "releasebuffer(obj, view)");
+      #else
+        func = (releasebufferproc) PyCObject_AsVoidPtr(releasebuffer_cobj);
+      #endif
+
+        Py_DECREF(releasebuffer_cobj);
+
+        if (!func)
+            goto fail;
+
+        func(obj, view);
+        return;
+    } else {
+        PyErr_Clear();
+    }
+  #endif
+
+    goto nofail;
+
+#if PY_VERSION_HEX < 0x02060000
+fail:
+#endif
+    PyErr_WriteUnraisable(obj);
+
+nofail:
+    Py_DECREF(obj);
+    view->obj = NULL;
+}
+
+#endif /*  PY_MAJOR_VERSION < 3 */
+
+  #if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return ::std::complex< float >(x, y);
+    }
+  #else
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return x + y*(__pyx_t_float_complex)_Complex_I;
+    }
+  #endif
+#else
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      __pyx_t_float_complex z;
+      z.real = x;
+      z.imag = y;
+      return z;
+    }
+#endif
+
+#if CYTHON_CCOMPLEX
+#else
+    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+       return (a.real == b.real) && (a.imag == b.imag);
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real + b.real;
+        z.imag = a.imag + b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real - b.real;
+        z.imag = a.imag - b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real * b.real - a.imag * b.imag;
+        z.imag = a.real * b.imag + a.imag * b.real;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        float denom = b.real * b.real + b.imag * b.imag;
+        z.real = (a.real * b.real + a.imag * b.imag) / denom;
+        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) {
+        __pyx_t_float_complex z;
+        z.real = -a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) {
+       return (a.real == 0) && (a.imag == 0);
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) {
+        __pyx_t_float_complex z;
+        z.real =  a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    #if 1
+        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) {
+          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
+            return sqrtf(z.real*z.real + z.imag*z.imag);
+          #else
+            return hypotf(z.real, z.imag);
+          #endif
+        }
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+            __pyx_t_float_complex z;
+            float r, lnr, theta, z_r, z_theta;
+            if (b.imag == 0 && b.real == (int)b.real) {
+                if (b.real < 0) {
+                    float denom = a.real * a.real + a.imag * a.imag;
+                    a.real = a.real / denom;
+                    a.imag = -a.imag / denom;
+                    b.real = -b.real;
+                }
+                switch ((int)b.real) {
+                    case 0:
+                        z.real = 1;
+                        z.imag = 0;
+                        return z;
+                    case 1:
+                        return a;
+                    case 2:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(a, a);
+                    case 3:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(z, a);
+                    case 4:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(z, z);
+                }
+            }
+            if (a.imag == 0) {
+                if (a.real == 0) {
+                    return a;
+                }
+                r = a.real;
+                theta = 0;
+            } else {
+                r = __Pyx_c_absf(a);
+                theta = atan2f(a.imag, a.real);
+            }
+            lnr = logf(r);
+            z_r = expf(lnr * b.real - theta * b.imag);
+            z_theta = theta * b.real + lnr * b.imag;
+            z.real = z_r * cosf(z_theta);
+            z.imag = z_r * sinf(z_theta);
+            return z;
+        }
+    #endif
+#endif
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      return ::std::complex< double >(x, y);
+    }
+  #else
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      return x + y*(__pyx_t_double_complex)_Complex_I;
+    }
+  #endif
+#else
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      __pyx_t_double_complex z;
+      z.real = x;
+      z.imag = y;
+      return z;
+    }
+#endif
+
+#if CYTHON_CCOMPLEX
+#else
+    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+       return (a.real == b.real) && (a.imag == b.imag);
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real + b.real;
+        z.imag = a.imag + b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real - b.real;
+        z.imag = a.imag - b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real * b.real - a.imag * b.imag;
+        z.imag = a.real * b.imag + a.imag * b.real;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        double denom = b.real * b.real + b.imag * b.imag;
+        z.real = (a.real * b.real + a.imag * b.imag) / denom;
+        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) {
+        __pyx_t_double_complex z;
+        z.real = -a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) {
+       return (a.real == 0) && (a.imag == 0);
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) {
+        __pyx_t_double_complex z;
+        z.real =  a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    #if 1
+        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) {
+          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
+            return sqrt(z.real*z.real + z.imag*z.imag);
+          #else
+            return hypot(z.real, z.imag);
+          #endif
+        }
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+            __pyx_t_double_complex z;
+            double r, lnr, theta, z_r, z_theta;
+            if (b.imag == 0 && b.real == (int)b.real) {
+                if (b.real < 0) {
+                    double denom = a.real * a.real + a.imag * a.imag;
+                    a.real = a.real / denom;
+                    a.imag = -a.imag / denom;
+                    b.real = -b.real;
+                }
+                switch ((int)b.real) {
+                    case 0:
+                        z.real = 1;
+                        z.imag = 0;
+                        return z;
+                    case 1:
+                        return a;
+                    case 2:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(a, a);
+                    case 3:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(z, a);
+                    case 4:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(z, z);
+                }
+            }
+            if (a.imag == 0) {
+                if (a.real == 0) {
+                    return a;
+                }
+                r = a.real;
+                theta = 0;
+            } else {
+                r = __Pyx_c_abs(a);
+                theta = atan2(a.imag, a.real);
+            }
+            lnr = log(r);
+            z_r = exp(lnr * b.real - theta * b.imag);
+            z_theta = theta * b.real + lnr * b.imag;
+            z.real = z_r * cos(z_theta);
+            z.imag = z_r * sin(z_theta);
+            return z;
+        }
+    #endif
+#endif
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
+    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned char" :
+                    "value too large to convert to unsigned char");
+            }
+            return (unsigned char)-1;
+        }
+        return (unsigned char)val;
+    }
+    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
+    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned short" :
+                    "value too large to convert to unsigned short");
+            }
+            return (unsigned short)-1;
+        }
+        return (unsigned short)val;
+    }
+    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
+    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned int" :
+                    "value too large to convert to unsigned int");
+            }
+            return (unsigned int)-1;
+        }
+        return (unsigned int)val;
+    }
+    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
+    const char neg_one = (char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to char" :
+                    "value too large to convert to char");
+            }
+            return (char)-1;
+        }
+        return (char)val;
+    }
+    return (char)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
+    const short neg_one = (short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to short" :
+                    "value too large to convert to short");
+            }
+            return (short)-1;
+        }
+        return (short)val;
+    }
+    return (short)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
+    const signed char neg_one = (signed char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed char" :
+                    "value too large to convert to signed char");
+            }
+            return (signed char)-1;
+        }
+        return (signed char)val;
+    }
+    return (signed char)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
+    const signed short neg_one = (signed short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed short" :
+                    "value too large to convert to signed short");
+            }
+            return (signed short)-1;
+        }
+        return (signed short)val;
+    }
+    return (signed short)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
+    const signed int neg_one = (signed int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed int" :
+                    "value too large to convert to signed int");
+            }
+            return (signed int)-1;
+        }
+        return (signed int)val;
+    }
+    return (signed int)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
+    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned long");
+            return (unsigned long)-1;
+        }
+        return (unsigned long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned long");
+                return (unsigned long)-1;
+            }
+            return (unsigned long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (unsigned long)PyLong_AsLong(x);
+        }
+    } else {
+        unsigned long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned long)-1;
+        val = __Pyx_PyInt_AsUnsignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
+    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned PY_LONG_LONG");
+            return (unsigned PY_LONG_LONG)-1;
+        }
+        return (unsigned PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned PY_LONG_LONG");
+                return (unsigned PY_LONG_LONG)-1;
+            }
+            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        unsigned PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
+    const long neg_one = (long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to long");
+            return (long)-1;
+        }
+        return (long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to long");
+                return (long)-1;
+            }
+            return (long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (long)PyLong_AsLong(x);
+        }
+    } else {
+        long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (long)-1;
+        val = __Pyx_PyInt_AsLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
+    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to PY_LONG_LONG");
+            return (PY_LONG_LONG)-1;
+        }
+        return (PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to PY_LONG_LONG");
+                return (PY_LONG_LONG)-1;
+            }
+            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
+    const signed long neg_one = (signed long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed long");
+            return (signed long)-1;
+        }
+        return (signed long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed long");
+                return (signed long)-1;
+            }
+            return (signed long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (signed long)PyLong_AsLong(x);
+        }
+    } else {
+        signed long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed long)-1;
+        val = __Pyx_PyInt_AsSignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
+    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed PY_LONG_LONG");
+            return (signed PY_LONG_LONG)-1;
+        }
+        return (signed PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed PY_LONG_LONG");
+                return (signed PY_LONG_LONG)-1;
+            }
+            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        signed PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsSignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static int __Pyx_check_binary_version(void) {
+    char ctversion[4], rtversion[4];
+    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
+    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
+    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+        char message[200];
+        PyOS_snprintf(message, sizeof(message),
+                      "compiletime version %s of module '%.100s' "
+                      "does not match runtime version %s",
+                      ctversion, __Pyx_MODULE_NAME, rtversion);
+        #if PY_VERSION_HEX < 0x02050000
+        return PyErr_Warn(NULL, message);
+        #else
+        return PyErr_WarnEx(NULL, message, 1);
+        #endif
+    }
+    return 0;
+}
+
+#ifndef __PYX_HAVE_RT_ImportType
+#define __PYX_HAVE_RT_ImportType
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
+    size_t size, int strict)
+{
+    PyObject *py_module = 0;
+    PyObject *result = 0;
+    PyObject *py_name = 0;
+    char warning[200];
+    py_module = __Pyx_ImportModule(module_name);
+    if (!py_module)
+        goto bad;
+    py_name = __Pyx_PyIdentifier_FromString(class_name);
+    if (!py_name)
+        goto bad;
+    result = PyObject_GetAttr(py_module, py_name);
+    Py_DECREF(py_name);
+    py_name = 0;
+    Py_DECREF(py_module);
+    py_module = 0;
+    if (!result)
+        goto bad;
+    if (!PyType_Check(result)) {
+        PyErr_Format(PyExc_TypeError,
+            "%s.%s is not a type object",
+            module_name, class_name);
+        goto bad;
+    }
+    if (!strict && (size_t)((PyTypeObject *)result)->tp_basicsize > size) {
+        PyOS_snprintf(warning, sizeof(warning),
+            "%s.%s size changed, may indicate binary incompatibility",
+            module_name, class_name);
+        #if PY_VERSION_HEX < 0x02050000
+        if (PyErr_Warn(NULL, warning) < 0) goto bad;
+        #else
+        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
+        #endif
+    }
+    else if ((size_t)((PyTypeObject *)result)->tp_basicsize != size) {
+        PyErr_Format(PyExc_ValueError,
+            "%s.%s has the wrong size, try recompiling",
+            module_name, class_name);
+        goto bad;
+    }
+    return (PyTypeObject *)result;
+bad:
+    Py_XDECREF(py_module);
+    Py_XDECREF(result);
+    return NULL;
+}
+#endif
+
+#ifndef __PYX_HAVE_RT_ImportModule
+#define __PYX_HAVE_RT_ImportModule
+static PyObject *__Pyx_ImportModule(const char *name) {
+    PyObject *py_name = 0;
+    PyObject *py_module = 0;
+    py_name = __Pyx_PyIdentifier_FromString(name);
+    if (!py_name)
+        goto bad;
+    py_module = PyImport_Import(py_name);
+    Py_DECREF(py_name);
+    return py_module;
+bad:
+    Py_XDECREF(py_name);
+    return 0;
+}
+#endif
+
+static void* __Pyx_GetVtable(PyObject *dict) {
+    void* ptr;
+    PyObject *ob = PyMapping_GetItemString(dict, (char *)"__pyx_vtable__");
+    if (!ob)
+        goto bad;
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    ptr = PyCapsule_GetPointer(ob, 0);
+#else
+    ptr = PyCObject_AsVoidPtr(ob);
+#endif
+    if (!ptr && !PyErr_Occurred())
+        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
+    Py_DECREF(ob);
+    return ptr;
+bad:
+    Py_XDECREF(ob);
+    return NULL;
+}
+
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+    int start = 0, mid = 0, end = count - 1;
+    if (end >= 0 && code_line > entries[end].code_line) {
+        return count;
+    }
+    while (start < end) {
+        mid = (start + end) / 2;
+        if (code_line < entries[mid].code_line) {
+            end = mid;
+        } else if (code_line > entries[mid].code_line) {
+             start = mid + 1;
+        } else {
+            return mid;
+        }
+    }
+    if (code_line <= entries[mid].code_line) {
+        return mid;
+    } else {
+        return mid + 1;
+    }
+}
+static PyCodeObject *__pyx_find_code_object(int code_line) {
+    PyCodeObject* code_object;
+    int pos;
+    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
+        return NULL;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
+        return NULL;
+    }
+    code_object = __pyx_code_cache.entries[pos].code_object;
+    Py_INCREF(code_object);
+    return code_object;
+}
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
+    int pos, i;
+    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
+    if (unlikely(!code_line)) {
+        return;
+    }
+    if (unlikely(!entries)) {
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (likely(entries)) {
+            __pyx_code_cache.entries = entries;
+            __pyx_code_cache.max_count = 64;
+            __pyx_code_cache.count = 1;
+            entries[0].code_line = code_line;
+            entries[0].code_object = code_object;
+            Py_INCREF(code_object);
+        }
+        return;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
+        PyCodeObject* tmp = entries[pos].code_object;
+        entries[pos].code_object = code_object;
+        Py_DECREF(tmp);
+        return;
+    }
+    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
+        int new_max = __pyx_code_cache.max_count + 64;
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
+            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (unlikely(!entries)) {
+            return;
+        }
+        __pyx_code_cache.entries = entries;
+        __pyx_code_cache.max_count = new_max;
+    }
+    for (i=__pyx_code_cache.count; i>pos; i--) {
+        entries[i] = entries[i-1];
+    }
+    entries[pos].code_line = code_line;
+    entries[pos].code_object = code_object;
+    __pyx_code_cache.count++;
+    Py_INCREF(code_object);
+}
+
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
+            const char *funcname, int c_line,
+            int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_srcfile = 0;
+    PyObject *py_funcname = 0;
+    #if PY_MAJOR_VERSION < 3
+    py_srcfile = PyString_FromString(filename);
+    #else
+    py_srcfile = PyUnicode_FromString(filename);
+    #endif
+    if (!py_srcfile) goto bad;
+    if (c_line) {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #else
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #endif
+    }
+    else {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromString(funcname);
+        #else
+        py_funcname = PyUnicode_FromString(funcname);
+        #endif
+    }
+    if (!py_funcname) goto bad;
+    py_code = __Pyx_PyCode_New(
+        0,            /*int argcount,*/
+        0,            /*int kwonlyargcount,*/
+        0,            /*int nlocals,*/
+        0,            /*int stacksize,*/
+        0,            /*int flags,*/
+        __pyx_empty_bytes, /*PyObject *code,*/
+        __pyx_empty_tuple, /*PyObject *consts,*/
+        __pyx_empty_tuple, /*PyObject *names,*/
+        __pyx_empty_tuple, /*PyObject *varnames,*/
+        __pyx_empty_tuple, /*PyObject *freevars,*/
+        __pyx_empty_tuple, /*PyObject *cellvars,*/
+        py_srcfile,   /*PyObject *filename,*/
+        py_funcname,  /*PyObject *name,*/
+        py_line,      /*int firstlineno,*/
+        __pyx_empty_bytes  /*PyObject *lnotab*/
+    );
+    Py_DECREF(py_srcfile);
+    Py_DECREF(py_funcname);
+    return py_code;
+bad:
+    Py_XDECREF(py_srcfile);
+    Py_XDECREF(py_funcname);
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_globals = 0;
+    PyFrameObject *py_frame = 0;
+    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
+    if (!py_code) {
+        py_code = __Pyx_CreateCodeObjectForTraceback(
+            funcname, c_line, py_line, filename);
+        if (!py_code) goto bad;
+        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
+    }
+    py_globals = PyModule_GetDict(__pyx_m);
+    if (!py_globals) goto bad;
+    py_frame = PyFrame_New(
+        PyThreadState_GET(), /*PyThreadState *tstate,*/
+        py_code,             /*PyCodeObject *code,*/
+        py_globals,          /*PyObject *globals,*/
+        0                    /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    py_frame->f_lineno = py_line;
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+    while (t->p) {
+        #if PY_MAJOR_VERSION < 3
+        if (t->is_unicode) {
+            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
+        } else if (t->intern) {
+            *t->p = PyString_InternFromString(t->s);
+        } else {
+            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
+        }
+        #else  /* Python 3+ has unicode identifiers */
+        if (t->is_unicode | t->is_str) {
+            if (t->intern) {
+                *t->p = PyUnicode_InternFromString(t->s);
+            } else if (t->encoding) {
+                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
+            } else {
+                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
+            }
+        } else {
+            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
+        }
+        #endif
+        if (!*t->p)
+            return -1;
+        ++t;
+    }
+    return 0;
+}
+
+
+/* Type Conversion Functions */
+
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   int is_true = x == Py_True;
+   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
+   else return PyObject_IsTrue(x);
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
+  PyNumberMethods *m;
+  const char *name = NULL;
+  PyObject *res = NULL;
+#if PY_VERSION_HEX < 0x03000000
+  if (PyInt_Check(x) || PyLong_Check(x))
+#else
+  if (PyLong_Check(x))
+#endif
+    return Py_INCREF(x), x;
+  m = Py_TYPE(x)->tp_as_number;
+#if PY_VERSION_HEX < 0x03000000
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Int(x);
+  }
+  else if (m && m->nb_long) {
+    name = "long";
+    res = PyNumber_Long(x);
+  }
+#else
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Long(x);
+  }
+#endif
+  if (res) {
+#if PY_VERSION_HEX < 0x03000000
+    if (!PyInt_Check(res) && !PyLong_Check(res)) {
+#else
+    if (!PyLong_Check(res)) {
+#endif
+      PyErr_Format(PyExc_TypeError,
+                   "__%s__ returned non-%s (type %.200s)",
+                   name, name, Py_TYPE(res)->tp_name);
+      Py_DECREF(res);
+      return NULL;
+    }
+  }
+  else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_TypeError,
+                    "an integer is required");
+  }
+  return res;
+}
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject* x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyInt_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
+#if PY_VERSION_HEX < 0x02050000
+   if (ival <= LONG_MAX)
+       return PyInt_FromLong((long)ival);
+   else {
+       unsigned char *bytes = (unsigned char *) &ival;
+       int one = 1; int little = (int)*(unsigned char*)&one;
+       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
+   }
+#else
+   return PyInt_FromSize_t(ival);
+#endif
+}
+
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
+   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
+   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
+       return (size_t)-1;
+   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
+       PyErr_SetString(PyExc_OverflowError,
+                       "value too large to convert to size_t");
+       return (size_t)-1;
+   }
+   return (size_t)val;
+}
+
+
+#endif /* Py_PYTHON_H */
diff --git a/simpl/peak_detection.pxd b/simpl/peak_detection.pxd
new file mode 100644
index 0000000..7ff9d09
--- /dev/null
+++ b/simpl/peak_detection.pxd
@@ -0,0 +1,39 @@
+import numpy as np
+cimport numpy as np
+np.import_array()
+from libcpp.vector cimport vector
+
+from base cimport c_Peak
+from base cimport c_Frame
+from base cimport string
+from base cimport dtype_t
+from base import dtype
+
+
+cdef extern from "../src/simpl/peak_detection.h" namespace "simpl":
+    cdef cppclass c_PeakDetection "simpl::PeakDetection":
+        c_PeakDetection()
+        int sampling_rate()
+        void sampling_rate(int new_sampling_rate)
+        int frame_size()
+        void frame_size(int new_frame_size)
+        int static_frame_size()
+        void static_frame_size(int new_static_frame_size)
+        int next_frame_size()
+        int hop_size()
+        void hop_size(int new_hop_size)
+        int max_peaks()
+        void max_peaks(int new_max_peaks)
+        string window_type()
+        void window_type(string new_window_type)
+        int window_size()
+        void window_size(int new_window_size)
+        double min_peak_separation()
+        void min_peak_separation(double new_min_peak_separation)
+        int num_frames()
+        c_Frame* frame(int frame_number)
+        vector[c_Peak*] find_peaks_in_frame(c_Frame* frame)
+        vector[c_Frame*] find_peaks(int audio_size, double* audio)
+
+    cdef cppclass c_SMSPeakDetection "simpl::SMSPeakDetection"(c_PeakDetection):
+        c_SMSPeakDetection()
diff --git a/simpl/peak_detection.pyx b/simpl/peak_detection.pyx
new file mode 100644
index 0000000..a2fc8f5
--- /dev/null
+++ b/simpl/peak_detection.pyx
@@ -0,0 +1,97 @@
+import numpy as np
+cimport numpy as np
+np.import_array()
+from libcpp.vector cimport vector
+
+from base cimport Peak
+from base cimport Frame
+from base cimport c_Peak
+from base cimport c_Frame
+
+
+cdef class PeakDetection:
+    cdef c_PeakDetection* thisptr
+
+    def __cinit__(self):
+        self.thisptr = new c_PeakDetection()
+
+    def __dealloc__(self):
+        if self.thisptr:
+            del self.thisptr
+
+    property sampling_rate:
+        def __get__(self): return self.thisptr.sampling_rate()
+        def __set__(self, int i): self.thisptr.sampling_rate(i)
+
+    property frame_size:
+        def __get__(self): return self.thisptr.frame_size()
+        def __set__(self, int i): self.thisptr.frame_size(i)
+
+    property static_frame_size:
+        def __get__(self): return self.thisptr.static_frame_size()
+        def __set__(self, int i): self.thisptr.static_frame_size(i)
+
+    def next_frame_size(self):
+        return self.thisptr.next_frame_size()
+
+    property hop_size:
+        def __get__(self): return self.thisptr.hop_size()
+        def __set__(self, int i): self.thisptr.hop_size(i)
+
+    property max_peaks:
+        def __get__(self): return self.thisptr.max_peaks()
+        def __set__(self, int i): self.thisptr.max_peaks(i)
+
+    property window_type:
+        def __get__(self): return self.thisptr.window_type().c_str()
+        def __set__(self, char* s): self.thisptr.window_type(string(s))
+
+    property window_size:
+        def __get__(self): return self.thisptr.window_size()
+        def __set__(self, int i): self.thisptr.window_size(i)
+
+    property min_peak_separation:
+        def __get__(self): return self.thisptr.min_peak_separation()
+        def __set__(self, double d): self.thisptr.min_peak_separation(d)
+
+    def frame(self, int i):
+        cdef c_Frame* c_f = self.thisptr.frame(i)
+        f = Frame(None, False)
+        f.set_frame(c_f)
+        return f
+
+    property frames:
+        def __get__(self):
+            return [self.frame(i) for i in range(self.thisptr.num_frames())]
+        def __set__(self, f):
+            raise Exception("NotImplemented")
+
+    def find_peaks_in_frame(self, Frame frame not None):
+        peaks = []
+        cdef vector[c_Peak*] c_peaks = self.thisptr.find_peaks_in_frame(frame.thisptr)
+        for i in range(c_peaks.size()):
+            peak = Peak(False)
+            peak.set_peak(c_peaks[i])
+            peaks.append(peak)
+        return peaks
+
+    def find_peaks(self, np.ndarray[dtype_t, ndim=1] audio):
+        frames = []
+        cdef vector[c_Frame*] output_frames = self.thisptr.find_peaks(len(audio), <double*> audio.data)
+        for i in range(output_frames.size()):
+            f = Frame(output_frames[i].size(), False)
+            f.set_frame(output_frames[i])
+            frames.append(f)
+        return frames
+
+
+cdef class SMSPeakDetection(PeakDetection):
+    def __cinit__(self):
+        if self.thisptr:
+            del self.thisptr
+        self.thisptr = new c_SMSPeakDetection()
+
+    def __dealloc__(self):
+        if self.thisptr:
+            del self.thisptr
+            self.thisptr = <c_PeakDetection*>0
diff --git a/simpl/residual.cpp b/simpl/residual.cpp
new file mode 100644
index 0000000..f6e949b
--- /dev/null
+++ b/simpl/residual.cpp
@@ -0,0 +1,6850 @@
+/* Generated by Cython 0.16 on Sat Jun 30 10:44:34 2012 */
+
+#define PY_SSIZE_T_CLEAN
+#include "Python.h"
+#ifndef Py_PYTHON_H
+    #error Python headers needed to compile C extensions, please install development version of Python.
+#elif PY_VERSION_HEX < 0x02040000
+    #error Cython requires Python 2.4+.
+#else
+#include <stddef.h> /* For offsetof */
+#ifndef offsetof
+#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
+#endif
+
+#if !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+  #ifndef __fastcall
+    #define __fastcall
+  #endif
+#endif
+
+#ifndef DL_IMPORT
+  #define DL_IMPORT(t) t
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+
+#ifndef Py_HUGE_VAL
+  #define Py_HUGE_VAL HUGE_VAL
+#endif
+
+#ifdef PYPY_VERSION
+#define CYTHON_COMPILING_IN_PYPY 1
+#define CYTHON_COMPILING_IN_CPYTHON 0
+#else
+#define CYTHON_COMPILING_IN_PYPY 0
+#define CYTHON_COMPILING_IN_CPYTHON 1
+#endif
+
+#if CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyCFunction_Call PyObject_Call
+#else
+  #define __Pyx_PyCFunction_Call PyCFunction_Call
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  typedef int Py_ssize_t;
+  #define PY_SSIZE_T_MAX INT_MAX
+  #define PY_SSIZE_T_MIN INT_MIN
+  #define PY_FORMAT_SIZE_T ""
+  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
+  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
+  #define PyNumber_Index(o)    PyNumber_Int(o)
+  #define PyIndex_Check(o)     PyNumber_Check(o)
+  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
+  #define __PYX_BUILD_PY_SSIZE_T "i"
+#else
+  #define __PYX_BUILD_PY_SSIZE_T "n"
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
+  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
+  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
+  #define PyVarObject_HEAD_INIT(type, size) \
+          PyObject_HEAD_INIT(type) size,
+  #define PyType_Modified(t)
+
+  typedef struct {
+     void *buf;
+     PyObject *obj;
+     Py_ssize_t len;
+     Py_ssize_t itemsize;
+     int readonly;
+     int ndim;
+     char *format;
+     Py_ssize_t *shape;
+     Py_ssize_t *strides;
+     Py_ssize_t *suboffsets;
+     void *internal;
+  } Py_buffer;
+
+  #define PyBUF_SIMPLE 0
+  #define PyBUF_WRITABLE 0x0001
+  #define PyBUF_FORMAT 0x0004
+  #define PyBUF_ND 0x0008
+  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
+  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
+  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
+  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
+  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
+  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
+  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
+
+  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
+  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
+#endif
+
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#else
+  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#endif
+
+#if PY_MAJOR_VERSION < 3 && PY_MINOR_VERSION < 6
+  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define Py_TPFLAGS_CHECKTYPES 0
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+
+#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
+  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
+#endif
+
+
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_GET_LENGTH)
+  #define CYTHON_PEP393_ENABLED 1
+  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+#else
+  #define CYTHON_PEP393_ENABLED 0
+  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBaseString_Type            PyUnicode_Type
+  #define PyStringObject               PyUnicodeObject
+  #define PyString_Type                PyUnicode_Type
+  #define PyString_Check               PyUnicode_Check
+  #define PyString_CheckExact          PyUnicode_CheckExact
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PyBytesObject                PyStringObject
+  #define PyBytes_Type                 PyString_Type
+  #define PyBytes_Check                PyString_Check
+  #define PyBytes_CheckExact           PyString_CheckExact
+  #define PyBytes_FromString           PyString_FromString
+  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
+  #define PyBytes_FromFormat           PyString_FromFormat
+  #define PyBytes_DecodeEscape         PyString_DecodeEscape
+  #define PyBytes_AsString             PyString_AsString
+  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
+  #define PyBytes_Size                 PyString_Size
+  #define PyBytes_AS_STRING            PyString_AS_STRING
+  #define PyBytes_GET_SIZE             PyString_GET_SIZE
+  #define PyBytes_Repr                 PyString_Repr
+  #define PyBytes_Concat               PyString_Concat
+  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
+  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
+#endif
+
+#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyIntObject                  PyLongObject
+  #define PyInt_Type                   PyLong_Type
+  #define PyInt_Check(op)              PyLong_Check(op)
+  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define PyInt_FromString             PyLong_FromString
+  #define PyInt_FromUnicode            PyLong_FromUnicode
+  #define PyInt_FromLong               PyLong_FromLong
+  #define PyInt_FromSize_t             PyLong_FromSize_t
+  #define PyInt_FromSsize_t            PyLong_FromSsize_t
+  #define PyInt_AsLong                 PyLong_AsLong
+  #define PyInt_AS_LONG                PyLong_AS_LONG
+  #define PyInt_AsSsize_t              PyLong_AsSsize_t
+  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
+  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBoolObject                 PyLongObject
+#endif
+
+#if PY_VERSION_HEX < 0x03020000
+  typedef long Py_hash_t;
+  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+#else
+  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
+#endif
+
+#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
+  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
+  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
+#else
+  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
+  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
+#else
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_NAMESTR(n) ((char *)(n))
+  #define __Pyx_DOCSTR(n)  ((char *)(n))
+#else
+  #define __Pyx_NAMESTR(n) (n)
+  #define __Pyx_DOCSTR(n)  (n)
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
+#else
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
+#endif
+
+#ifndef __PYX_EXTERN_C
+  #ifdef __cplusplus
+    #define __PYX_EXTERN_C extern "C"
+  #else
+    #define __PYX_EXTERN_C extern
+  #endif
+#endif
+
+#if defined(WIN32) || defined(MS_WINDOWS)
+#define _USE_MATH_DEFINES
+#endif
+#include <math.h>
+#define __PYX_HAVE__simpl__residual
+#define __PYX_HAVE_API__simpl__residual
+#include "stdio.h"
+#include "stdlib.h"
+#include "numpy/arrayobject.h"
+#include "numpy/ufuncobject.h"
+#include <vector>
+#include <string>
+#include "../src/simpl/base.h"
+#include "../src/simpl/residual.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif /* _OPENMP */
+
+#ifdef PYREX_WITHOUT_ASSERTIONS
+#define CYTHON_WITHOUT_ASSERTIONS
+#endif
+
+
+/* inline attribute */
+#ifndef CYTHON_INLINE
+  #if defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+
+/* unused attribute */
+#ifndef CYTHON_UNUSED
+# if defined(__GNUC__)
+#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#     define CYTHON_UNUSED __attribute__ ((__unused__))
+#   else
+#     define CYTHON_UNUSED
+#   endif
+# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
+#   define CYTHON_UNUSED __attribute__ ((__unused__))
+# else
+#   define CYTHON_UNUSED
+# endif
+#endif
+
+typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
+
+
+/* Type Conversion Predeclarations */
+
+#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s)
+#define __Pyx_PyBytes_AsUString(s)   ((unsigned char*) PyBytes_AsString(s))
+
+#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
+#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
+
+#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
+
+#ifdef __GNUC__
+  /* Test for GCC > 2.95 */
+  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
+    #define likely(x)   __builtin_expect(!!(x), 1)
+    #define unlikely(x) __builtin_expect(!!(x), 0)
+  #else /* __GNUC__ > 2 ... */
+    #define likely(x)   (x)
+    #define unlikely(x) (x)
+  #endif /* __GNUC__ > 2 ... */
+#else /* __GNUC__ */
+  #define likely(x)   (x)
+  #define unlikely(x) (x)
+#endif /* __GNUC__ */
+    
+static PyObject *__pyx_m;
+static PyObject *__pyx_b;
+static PyObject *__pyx_empty_tuple;
+static PyObject *__pyx_empty_bytes;
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * __pyx_cfilenm= __FILE__;
+static const char *__pyx_filename;
+
+#if !defined(CYTHON_CCOMPLEX)
+  #if defined(__cplusplus)
+    #define CYTHON_CCOMPLEX 1
+  #elif defined(_Complex_I)
+    #define CYTHON_CCOMPLEX 1
+  #else
+    #define CYTHON_CCOMPLEX 0
+  #endif
+#endif
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    #include <complex>
+  #else
+    #include <complex.h>
+  #endif
+#endif
+#if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
+  #undef _Complex_I
+  #define _Complex_I 1.0fj
+#endif
+
+
+static const char *__pyx_f[] = {
+  "residual.pyx",
+  "numpy.pxd",
+  "base.pxd",
+};
+#define IS_UNSIGNED(type) (((type) -1) > 0)
+struct __Pyx_StructField_;
+#define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
+typedef struct {
+  const char* name; /* for error messages only */
+  struct __Pyx_StructField_* fields;
+  size_t size;     /* sizeof(type) */
+  size_t arraysize[8]; /* length of array in each dimension */
+  int ndim;
+  char typegroup; /* _R_eal, _C_omplex, Signed _I_nt, _U_nsigned int, _S_truct, _P_ointer, _O_bject */
+  char is_unsigned;
+  int flags;
+} __Pyx_TypeInfo;
+typedef struct __Pyx_StructField_ {
+  __Pyx_TypeInfo* type;
+  const char* name;
+  size_t offset;
+} __Pyx_StructField;
+typedef struct {
+  __Pyx_StructField* field;
+  size_t parent_offset;
+} __Pyx_BufFmt_StackElem;
+typedef struct {
+  __Pyx_StructField root;
+  __Pyx_BufFmt_StackElem* head;
+  size_t fmt_offset;
+  size_t new_count, enc_count;
+  size_t struct_alignment;
+  int is_complex;
+  char enc_type;
+  char new_packmode;
+  char enc_packmode;
+  char is_valid_array;
+} __Pyx_BufFmt_Context;
+
+
+/* "numpy.pxd":722
+ * # in Cython to enable them only on the right systems.
+ * 
+ * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t
+ */
+typedef npy_int8 __pyx_t_5numpy_int8_t;
+
+/* "numpy.pxd":723
+ * 
+ * ctypedef npy_int8       int8_t
+ * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int32      int32_t
+ * ctypedef npy_int64      int64_t
+ */
+typedef npy_int16 __pyx_t_5numpy_int16_t;
+
+/* "numpy.pxd":724
+ * ctypedef npy_int8       int8_t
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int64      int64_t
+ * #ctypedef npy_int96      int96_t
+ */
+typedef npy_int32 __pyx_t_5numpy_int32_t;
+
+/* "numpy.pxd":725
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t
+ * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_int96      int96_t
+ * #ctypedef npy_int128     int128_t
+ */
+typedef npy_int64 __pyx_t_5numpy_int64_t;
+
+/* "numpy.pxd":729
+ * #ctypedef npy_int128     int128_t
+ * 
+ * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t
+ */
+typedef npy_uint8 __pyx_t_5numpy_uint8_t;
+
+/* "numpy.pxd":730
+ * 
+ * ctypedef npy_uint8      uint8_t
+ * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint32     uint32_t
+ * ctypedef npy_uint64     uint64_t
+ */
+typedef npy_uint16 __pyx_t_5numpy_uint16_t;
+
+/* "numpy.pxd":731
+ * ctypedef npy_uint8      uint8_t
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint64     uint64_t
+ * #ctypedef npy_uint96     uint96_t
+ */
+typedef npy_uint32 __pyx_t_5numpy_uint32_t;
+
+/* "numpy.pxd":732
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t
+ * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_uint96     uint96_t
+ * #ctypedef npy_uint128    uint128_t
+ */
+typedef npy_uint64 __pyx_t_5numpy_uint64_t;
+
+/* "numpy.pxd":736
+ * #ctypedef npy_uint128    uint128_t
+ * 
+ * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_float64    float64_t
+ * #ctypedef npy_float80    float80_t
+ */
+typedef npy_float32 __pyx_t_5numpy_float32_t;
+
+/* "numpy.pxd":737
+ * 
+ * ctypedef npy_float32    float32_t
+ * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_float80    float80_t
+ * #ctypedef npy_float128   float128_t
+ */
+typedef npy_float64 __pyx_t_5numpy_float64_t;
+
+/* "numpy.pxd":746
+ * # The int types are mapped a bit surprising --
+ * # numpy.int corresponds to 'l' and numpy.long to 'q'
+ * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longlong   long_t
+ * ctypedef npy_longlong   longlong_t
+ */
+typedef npy_long __pyx_t_5numpy_int_t;
+
+/* "numpy.pxd":747
+ * # numpy.int corresponds to 'l' and numpy.long to 'q'
+ * ctypedef npy_long       int_t
+ * ctypedef npy_longlong   long_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longlong   longlong_t
+ * 
+ */
+typedef npy_longlong __pyx_t_5numpy_long_t;
+
+/* "numpy.pxd":748
+ * ctypedef npy_long       int_t
+ * ctypedef npy_longlong   long_t
+ * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_ulong      uint_t
+ */
+typedef npy_longlong __pyx_t_5numpy_longlong_t;
+
+/* "numpy.pxd":750
+ * ctypedef npy_longlong   longlong_t
+ * 
+ * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_ulonglong  ulong_t
+ * ctypedef npy_ulonglong  ulonglong_t
+ */
+typedef npy_ulong __pyx_t_5numpy_uint_t;
+
+/* "numpy.pxd":751
+ * 
+ * ctypedef npy_ulong      uint_t
+ * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_ulonglong  ulonglong_t
+ * 
+ */
+typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
+
+/* "numpy.pxd":752
+ * ctypedef npy_ulong      uint_t
+ * ctypedef npy_ulonglong  ulong_t
+ * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_intp       intp_t
+ */
+typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;
+
+/* "numpy.pxd":754
+ * ctypedef npy_ulonglong  ulonglong_t
+ * 
+ * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uintp      uintp_t
+ * 
+ */
+typedef npy_intp __pyx_t_5numpy_intp_t;
+
+/* "numpy.pxd":755
+ * 
+ * ctypedef npy_intp       intp_t
+ * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_double     float_t
+ */
+typedef npy_uintp __pyx_t_5numpy_uintp_t;
+
+/* "numpy.pxd":757
+ * ctypedef npy_uintp      uintp_t
+ * 
+ * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_double     double_t
+ * ctypedef npy_longdouble longdouble_t
+ */
+typedef npy_double __pyx_t_5numpy_float_t;
+
+/* "numpy.pxd":758
+ * 
+ * ctypedef npy_double     float_t
+ * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longdouble longdouble_t
+ * 
+ */
+typedef npy_double __pyx_t_5numpy_double_t;
+
+/* "numpy.pxd":759
+ * ctypedef npy_double     float_t
+ * ctypedef npy_double     double_t
+ * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_cfloat      cfloat_t
+ */
+typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
+
+/* "base.pxd":8
+ * 
+ * dtype = np.float64
+ * ctypedef np.double_t dtype_t             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+typedef __pyx_t_5numpy_double_t __pyx_t_5simpl_4base_dtype_t;
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    typedef ::std::complex< float > __pyx_t_float_complex;
+  #else
+    typedef float _Complex __pyx_t_float_complex;
+  #endif
+#else
+    typedef struct { float real, imag; } __pyx_t_float_complex;
+#endif
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    typedef ::std::complex< double > __pyx_t_double_complex;
+  #else
+    typedef double _Complex __pyx_t_double_complex;
+  #endif
+#else
+    typedef struct { double real, imag; } __pyx_t_double_complex;
+#endif
+
+
+/*--- Type declarations ---*/
+struct __pyx_obj_5simpl_8residual_Residual;
+struct __pyx_obj_5simpl_4base_Frame;
+struct __pyx_obj_5simpl_4base_Peak;
+
+/* "numpy.pxd":761
+ * ctypedef npy_longdouble longdouble_t
+ * 
+ * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_cdouble     cdouble_t
+ * ctypedef npy_clongdouble clongdouble_t
+ */
+typedef npy_cfloat __pyx_t_5numpy_cfloat_t;
+
+/* "numpy.pxd":762
+ * 
+ * ctypedef npy_cfloat      cfloat_t
+ * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_clongdouble clongdouble_t
+ * 
+ */
+typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
+
+/* "numpy.pxd":763
+ * ctypedef npy_cfloat      cfloat_t
+ * ctypedef npy_cdouble     cdouble_t
+ * ctypedef npy_clongdouble clongdouble_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_cdouble     complex_t
+ */
+typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
+
+/* "numpy.pxd":765
+ * ctypedef npy_clongdouble clongdouble_t
+ * 
+ * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):
+ */
+typedef npy_cdouble __pyx_t_5numpy_complex_t;
+
+/* "simpl/residual.pyx":12
+ * 
+ * 
+ * cdef class Residual:             # <<<<<<<<<<<<<<
+ *     cdef c_Residual* thisptr
+ * 
+ */
+struct __pyx_obj_5simpl_8residual_Residual {
+  PyObject_HEAD
+  simpl::Residual *thisptr;
+};
+
+
+/* "base.pxd":17
+ * 
+ * 
+ * cdef class Frame:             # <<<<<<<<<<<<<<
+ *     cdef c_Frame* thisptr
+ *     cdef int created
+ */
+struct __pyx_obj_5simpl_4base_Frame {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5simpl_4base_Frame *__pyx_vtab;
+  simpl::Frame *thisptr;
+  int created;
+};
+
+
+/* "base.pxd":11
+ * 
+ * 
+ * cdef class Peak:             # <<<<<<<<<<<<<<
+ *     cdef c_Peak* thisptr
+ *     cdef int created
+ */
+struct __pyx_obj_5simpl_4base_Peak {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5simpl_4base_Peak *__pyx_vtab;
+  simpl::Peak *thisptr;
+  int created;
+};
+
+
+
+struct __pyx_vtabstruct_5simpl_4base_Peak {
+  PyObject *(*set_peak)(struct __pyx_obj_5simpl_4base_Peak *, simpl::Peak *);
+};
+static struct __pyx_vtabstruct_5simpl_4base_Peak *__pyx_vtabptr_5simpl_4base_Peak;
+
+
+/* "base.pxd":17
+ * 
+ * 
+ * cdef class Frame:             # <<<<<<<<<<<<<<
+ *     cdef c_Frame* thisptr
+ *     cdef int created
+ */
+
+struct __pyx_vtabstruct_5simpl_4base_Frame {
+  PyObject *(*set_frame)(struct __pyx_obj_5simpl_4base_Frame *, simpl::Frame *);
+};
+static struct __pyx_vtabstruct_5simpl_4base_Frame *__pyx_vtabptr_5simpl_4base_Frame;
+#ifndef CYTHON_REFNANNY
+  #define CYTHON_REFNANNY 0
+#endif
+#if CYTHON_REFNANNY
+  typedef struct {
+    void (*INCREF)(void*, PyObject*, int);
+    void (*DECREF)(void*, PyObject*, int);
+    void (*GOTREF)(void*, PyObject*, int);
+    void (*GIVEREF)(void*, PyObject*, int);
+    void* (*SetupContext)(const char*, int, const char*);
+    void (*FinishContext)(void**);
+  } __Pyx_RefNannyAPIStruct;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); /*proto*/
+  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
+#ifdef WITH_THREAD
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          if (acquire_gil) { \
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure(); \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+              PyGILState_Release(__pyx_gilstate_save); \
+          } else { \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+          }
+#else
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
+#endif
+  #define __Pyx_RefNannyFinishContext() \
+          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
+#else
+  #define __Pyx_RefNannyDeclarations
+  #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContext()
+  #define __Pyx_INCREF(r) Py_INCREF(r)
+  #define __Pyx_DECREF(r) Py_DECREF(r)
+  #define __Pyx_GOTREF(r)
+  #define __Pyx_GIVEREF(r)
+  #define __Pyx_XINCREF(r) Py_XINCREF(r)
+  #define __Pyx_XDECREF(r) Py_XDECREF(r)
+  #define __Pyx_XGOTREF(r)
+  #define __Pyx_XGIVEREF(r)
+#endif /* CYTHON_REFNANNY */
+#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
+#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name); /*proto*/
+
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
+
+static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); /*proto*/
+
+static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], \
+    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, \
+    const char* function_name); /*proto*/
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact); /*proto*/
+
+static CYTHON_INLINE int  __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj,
+    __Pyx_TypeInfo* dtype, int flags, int nd, int cast, __Pyx_BufFmt_StackElem* stack);
+static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info);
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
+
+static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level); /*proto*/
+
+static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name);
+
+typedef struct {
+  Py_ssize_t shape, strides, suboffsets;
+} __Pyx_Buf_DimInfo;
+typedef struct {
+  size_t refcount;
+  Py_buffer pybuffer;
+} __Pyx_Buffer;
+typedef struct {
+  __Pyx_Buffer *rcbuffer;
+  char *data;
+  __Pyx_Buf_DimInfo diminfo[8];
+} __Pyx_LocalBuf_ND;
+
+#if PY_MAJOR_VERSION < 3
+    static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags);
+    static void __Pyx_ReleaseBuffer(Py_buffer *view);
+#else
+    #define __Pyx_GetBuffer PyObject_GetBuffer
+    #define __Pyx_ReleaseBuffer PyBuffer_Release
+#endif
+
+static Py_ssize_t __Pyx_zeros[] = {0, 0, 0, 0, 0, 0, 0, 0};
+static Py_ssize_t __Pyx_minusones[] = {-1, -1, -1, -1, -1, -1, -1, -1};
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    #define __Pyx_CREAL(z) ((z).real())
+    #define __Pyx_CIMAG(z) ((z).imag())
+  #else
+    #define __Pyx_CREAL(z) (__real__(z))
+    #define __Pyx_CIMAG(z) (__imag__(z))
+  #endif
+#else
+    #define __Pyx_CREAL(z) ((z).real)
+    #define __Pyx_CIMAG(z) ((z).imag)
+#endif
+#if defined(_WIN32) && defined(__cplusplus) && CYTHON_CCOMPLEX
+    #define __Pyx_SET_CREAL(z,x) ((z).real(x))
+    #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
+#else
+    #define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
+    #define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
+#endif
+
+static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
+
+#if CYTHON_CCOMPLEX
+    #define __Pyx_c_eqf(a, b)   ((a)==(b))
+    #define __Pyx_c_sumf(a, b)  ((a)+(b))
+    #define __Pyx_c_difff(a, b) ((a)-(b))
+    #define __Pyx_c_prodf(a, b) ((a)*(b))
+    #define __Pyx_c_quotf(a, b) ((a)/(b))
+    #define __Pyx_c_negf(a)     (-(a))
+  #ifdef __cplusplus
+    #define __Pyx_c_is_zerof(z) ((z)==(float)0)
+    #define __Pyx_c_conjf(z)    (::std::conj(z))
+    #if 1
+        #define __Pyx_c_absf(z)     (::std::abs(z))
+        #define __Pyx_c_powf(a, b)  (::std::pow(a, b))
+    #endif
+  #else
+    #define __Pyx_c_is_zerof(z) ((z)==0)
+    #define __Pyx_c_conjf(z)    (conjf(z))
+    #if 1
+        #define __Pyx_c_absf(z)     (cabsf(z))
+        #define __Pyx_c_powf(a, b)  (cpowf(a, b))
+    #endif
+ #endif
+#else
+    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex);
+    #if 1
+        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex);
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex, __pyx_t_float_complex);
+    #endif
+#endif
+
+static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
+
+#if CYTHON_CCOMPLEX
+    #define __Pyx_c_eq(a, b)   ((a)==(b))
+    #define __Pyx_c_sum(a, b)  ((a)+(b))
+    #define __Pyx_c_diff(a, b) ((a)-(b))
+    #define __Pyx_c_prod(a, b) ((a)*(b))
+    #define __Pyx_c_quot(a, b) ((a)/(b))
+    #define __Pyx_c_neg(a)     (-(a))
+  #ifdef __cplusplus
+    #define __Pyx_c_is_zero(z) ((z)==(double)0)
+    #define __Pyx_c_conj(z)    (::std::conj(z))
+    #if 1
+        #define __Pyx_c_abs(z)     (::std::abs(z))
+        #define __Pyx_c_pow(a, b)  (::std::pow(a, b))
+    #endif
+  #else
+    #define __Pyx_c_is_zero(z) ((z)==0)
+    #define __Pyx_c_conj(z)    (conj(z))
+    #if 1
+        #define __Pyx_c_abs(z)     (cabs(z))
+        #define __Pyx_c_pow(a, b)  (cpow(a, b))
+    #endif
+ #endif
+#else
+    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex);
+    #if 1
+        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex);
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex, __pyx_t_double_complex);
+    #endif
+#endif
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);
+
+static int __Pyx_check_binary_version(void);
+
+#if !defined(__Pyx_PyIdentifier_FromString)
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
+#else
+  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
+#endif
+#endif
+
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);  /*proto*/
+
+static PyObject *__Pyx_ImportModule(const char *name); /*proto*/
+
+static void* __Pyx_GetVtable(PyObject *dict); /*proto*/
+
+typedef struct {
+    int code_line;
+    PyCodeObject* code_object;
+} __Pyx_CodeObjectCacheEntry;
+struct __Pyx_CodeObjectCache {
+    int count;
+    int max_count;
+    __Pyx_CodeObjectCacheEntry* entries;
+};
+static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
+static PyCodeObject *__pyx_find_code_object(int code_line);
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename); /*proto*/
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
+
+
+/* Module declarations from 'cpython.buffer' */
+
+/* Module declarations from 'cpython.ref' */
+
+/* Module declarations from 'libc.stdio' */
+
+/* Module declarations from 'cpython.object' */
+
+/* Module declarations from 'libc.stdlib' */
+
+/* Module declarations from 'numpy' */
+
+/* Module declarations from 'numpy' */
+static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
+static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
+static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
+static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
+static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
+static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/
+
+/* Module declarations from 'libcpp.vector' */
+
+/* Module declarations from 'simpl.base' */
+static PyTypeObject *__pyx_ptype_5simpl_4base_Peak = 0;
+static PyTypeObject *__pyx_ptype_5simpl_4base_Frame = 0;
+
+/* Module declarations from 'simpl.residual' */
+static PyTypeObject *__pyx_ptype_5simpl_8residual_Residual = 0;
+static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t = { "dtype_t", NULL, sizeof(__pyx_t_5simpl_4base_dtype_t), { 0 }, 0, 'R', 0, 0 };
+#define __Pyx_MODULE_NAME "simpl.residual"
+int __pyx_module_is_main_simpl__residual = 0;
+
+/* Implementation of 'simpl.residual' */
+static PyObject *__pyx_builtin_range;
+static PyObject *__pyx_builtin_ValueError;
+static PyObject *__pyx_builtin_RuntimeError;
+static int __pyx_pf_5simpl_8residual_8Residual___cinit__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self); /* proto */
+static void __pyx_pf_5simpl_8residual_8Residual_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_13sampling_rate___get__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_8residual_8Residual_13sampling_rate_2__set__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_10frame_size___get__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_8residual_8Residual_10frame_size_2__set__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_8hop_size___get__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_8residual_8Residual_8hop_size_2__set__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_4residual_frame(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, PyArrayObject *__pyx_v_synth, PyArrayObject *__pyx_v_original); /* proto */
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_6find_residual(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, PyArrayObject *__pyx_v_synth, PyArrayObject *__pyx_v_original); /* proto */
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_8synth_frame(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, struct __pyx_obj_5simpl_4base_Frame *__pyx_v_frame); /* proto */
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_10synth(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, PyObject *__pyx_v_frames); /* proto */
+static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
+static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
+static char __pyx_k_1[] = "ndarray is not C contiguous";
+static char __pyx_k_3[] = "ndarray is not Fortran contiguous";
+static char __pyx_k_5[] = "Non-native byte order not supported";
+static char __pyx_k_7[] = "unknown dtype code in numpy.pxd (%d)";
+static char __pyx_k_8[] = "Format string allocated too short, see comment in numpy.pxd";
+static char __pyx_k_11[] = "Format string allocated too short.";
+static char __pyx_k__B[] = "B";
+static char __pyx_k__H[] = "H";
+static char __pyx_k__I[] = "I";
+static char __pyx_k__L[] = "L";
+static char __pyx_k__O[] = "O";
+static char __pyx_k__Q[] = "Q";
+static char __pyx_k__b[] = "b";
+static char __pyx_k__d[] = "d";
+static char __pyx_k__f[] = "f";
+static char __pyx_k__g[] = "g";
+static char __pyx_k__h[] = "h";
+static char __pyx_k__i[] = "i";
+static char __pyx_k__l[] = "l";
+static char __pyx_k__q[] = "q";
+static char __pyx_k__Zd[] = "Zd";
+static char __pyx_k__Zf[] = "Zf";
+static char __pyx_k__Zg[] = "Zg";
+static char __pyx_k__np[] = "np";
+static char __pyx_k__audio[] = "audio";
+static char __pyx_k__numpy[] = "numpy";
+static char __pyx_k__range[] = "range";
+static char __pyx_k__synth[] = "synth";
+static char __pyx_k__zeros[] = "zeros";
+static char __pyx_k____main__[] = "__main__";
+static char __pyx_k____test__[] = "__test__";
+static char __pyx_k__original[] = "original";
+static char __pyx_k__ValueError[] = "ValueError";
+static char __pyx_k__RuntimeError[] = "RuntimeError";
+static PyObject *__pyx_kp_u_1;
+static PyObject *__pyx_kp_u_11;
+static PyObject *__pyx_kp_u_3;
+static PyObject *__pyx_kp_u_5;
+static PyObject *__pyx_kp_u_7;
+static PyObject *__pyx_kp_u_8;
+static PyObject *__pyx_n_s__RuntimeError;
+static PyObject *__pyx_n_s__ValueError;
+static PyObject *__pyx_n_s____main__;
+static PyObject *__pyx_n_s____test__;
+static PyObject *__pyx_n_s__audio;
+static PyObject *__pyx_n_s__np;
+static PyObject *__pyx_n_s__numpy;
+static PyObject *__pyx_n_s__original;
+static PyObject *__pyx_n_s__range;
+static PyObject *__pyx_n_s__synth;
+static PyObject *__pyx_n_s__zeros;
+static PyObject *__pyx_int_1;
+static PyObject *__pyx_int_15;
+static PyObject *__pyx_k_tuple_2;
+static PyObject *__pyx_k_tuple_4;
+static PyObject *__pyx_k_tuple_6;
+static PyObject *__pyx_k_tuple_9;
+static PyObject *__pyx_k_tuple_10;
+static PyObject *__pyx_k_tuple_12;
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_8residual_8Residual_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_5simpl_8residual_8Residual_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
+  if (unlikely(PyTuple_GET_SIZE(__pyx_args) > 0)) {
+    __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 0, 0, PyTuple_GET_SIZE(__pyx_args)); return -1;}
+  if (unlikely(__pyx_kwds) && unlikely(PyDict_Size(__pyx_kwds) > 0) && unlikely(!__Pyx_CheckKeywordStrings(__pyx_kwds, "__cinit__", 0))) return -1;
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual___cinit__(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":15
+ *     cdef c_Residual* thisptr
+ * 
+ *     def __cinit__(self): self.thisptr = new c_Residual()             # <<<<<<<<<<<<<<
+ *     def __dealloc__(self): del self.thisptr
+ * 
+ */
+
+static int __pyx_pf_5simpl_8residual_8Residual___cinit__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__", 0);
+  __pyx_v_self->thisptr = new simpl::Residual();
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5simpl_8residual_8Residual_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_5simpl_8residual_8Residual_3__dealloc__(PyObject *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
+  __pyx_pf_5simpl_8residual_8Residual_2__dealloc__(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "simpl/residual.pyx":16
+ * 
+ *     def __cinit__(self): self.thisptr = new c_Residual()
+ *     def __dealloc__(self): del self.thisptr             # <<<<<<<<<<<<<<
+ * 
+ *     property sampling_rate:
+ */
+
+static void __pyx_pf_5simpl_8residual_8Residual_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__dealloc__", 0);
+  delete __pyx_v_self->thisptr;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_13sampling_rate_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_13sampling_rate_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_13sampling_rate___get__(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":19
+ * 
+ *     property sampling_rate:
+ *         def __get__(self): return self.thisptr.sampling_rate()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.sampling_rate(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_13sampling_rate___get__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->sampling_rate()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 19; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.residual.Residual.sampling_rate.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_8residual_8Residual_13sampling_rate_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_8residual_8Residual_13sampling_rate_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.residual.Residual.sampling_rate.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_13sampling_rate_2__set__(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":20
+ *     property sampling_rate:
+ *         def __get__(self): return self.thisptr.sampling_rate()
+ *         def __set__(self, int i): self.thisptr.sampling_rate(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property frame_size:
+ */
+
+static int __pyx_pf_5simpl_8residual_8Residual_13sampling_rate_2__set__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->sampling_rate(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_10frame_size_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_10frame_size_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_10frame_size___get__(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":23
+ * 
+ *     property frame_size:
+ *         def __get__(self): return self.thisptr.frame_size()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.frame_size(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_10frame_size___get__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->frame_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.residual.Residual.frame_size.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_8residual_8Residual_10frame_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_8residual_8Residual_10frame_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.residual.Residual.frame_size.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_10frame_size_2__set__(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":24
+ *     property frame_size:
+ *         def __get__(self): return self.thisptr.frame_size()
+ *         def __set__(self, int i): self.thisptr.frame_size(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property hop_size:
+ */
+
+static int __pyx_pf_5simpl_8residual_8Residual_10frame_size_2__set__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->frame_size(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_8hop_size_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_8hop_size_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_8hop_size___get__(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":27
+ * 
+ *     property hop_size:
+ *         def __get__(self): return self.thisptr.hop_size()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.hop_size(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_8hop_size___get__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->hop_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.residual.Residual.hop_size.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_8residual_8Residual_8hop_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_8residual_8Residual_8hop_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.residual.Residual.hop_size.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_8hop_size_2__set__(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":28
+ *     property hop_size:
+ *         def __get__(self): return self.thisptr.hop_size()
+ *         def __set__(self, int i): self.thisptr.hop_size(i)             # <<<<<<<<<<<<<<
+ * 
+ *     def residual_frame(self, np.ndarray[dtype_t, ndim=1] synth,
+ */
+
+static int __pyx_pf_5simpl_8residual_8Residual_8hop_size_2__set__(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->hop_size(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_5residual_frame(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_5residual_frame(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyArrayObject *__pyx_v_synth = 0;
+  PyArrayObject *__pyx_v_original = 0;
+  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__synth,&__pyx_n_s__original,0};
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("residual_frame (wrapper)", 0);
+  {
+    PyObject* values[2] = {0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__synth);
+        if (likely(values[0])) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__original);
+        if (likely(values[1])) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("residual_frame", 1, 2, 2, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "residual_frame") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+    }
+    __pyx_v_synth = ((PyArrayObject *)values[0]);
+    __pyx_v_original = ((PyArrayObject *)values[1]);
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("residual_frame", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.residual.Residual.residual_frame", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_synth), __pyx_ptype_5numpy_ndarray, 1, "synth", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_original), __pyx_ptype_5numpy_ndarray, 1, "original", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_4residual_frame(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self), __pyx_v_synth, __pyx_v_original);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":30
+ *         def __set__(self, int i): self.thisptr.hop_size(i)
+ * 
+ *     def residual_frame(self, np.ndarray[dtype_t, ndim=1] synth,             # <<<<<<<<<<<<<<
+ *                        np.ndarray[dtype_t, ndim=1] original):
+ *         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+ */
+
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_4residual_frame(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, PyArrayObject *__pyx_v_synth, PyArrayObject *__pyx_v_original) {
+  PyArrayObject *__pyx_v_residual = 0;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_original;
+  __Pyx_Buffer __pyx_pybuffer_original;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_residual;
+  __Pyx_Buffer __pyx_pybuffer_residual;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_synth;
+  __Pyx_Buffer __pyx_pybuffer_synth;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  Py_ssize_t __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  PyArrayObject *__pyx_t_5 = NULL;
+  Py_ssize_t __pyx_t_6;
+  Py_ssize_t __pyx_t_7;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("residual_frame", 0);
+  __pyx_pybuffer_residual.pybuffer.buf = NULL;
+  __pyx_pybuffer_residual.refcount = 0;
+  __pyx_pybuffernd_residual.data = NULL;
+  __pyx_pybuffernd_residual.rcbuffer = &__pyx_pybuffer_residual;
+  __pyx_pybuffer_synth.pybuffer.buf = NULL;
+  __pyx_pybuffer_synth.refcount = 0;
+  __pyx_pybuffernd_synth.data = NULL;
+  __pyx_pybuffernd_synth.rcbuffer = &__pyx_pybuffer_synth;
+  __pyx_pybuffer_original.pybuffer.buf = NULL;
+  __pyx_pybuffer_original.refcount = 0;
+  __pyx_pybuffernd_original.data = NULL;
+  __pyx_pybuffernd_original.rcbuffer = &__pyx_pybuffer_original;
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_synth.rcbuffer->pybuffer, (PyObject*)__pyx_v_synth, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __pyx_pybuffernd_synth.diminfo[0].strides = __pyx_pybuffernd_synth.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_synth.diminfo[0].shape = __pyx_pybuffernd_synth.rcbuffer->pybuffer.shape[0];
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_original.rcbuffer->pybuffer, (PyObject*)__pyx_v_original, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __pyx_pybuffernd_original.diminfo[0].strides = __pyx_pybuffernd_original.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_original.diminfo[0].shape = __pyx_pybuffernd_original.rcbuffer->pybuffer.shape[0];
+
+  /* "simpl/residual.pyx":32
+ *     def residual_frame(self, np.ndarray[dtype_t, ndim=1] synth,
+ *                        np.ndarray[dtype_t, ndim=1] original):
+ *         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))             # <<<<<<<<<<<<<<
+ *         self.thisptr.residual_frame(len(synth), <double*> synth.data,
+ *                                     len(original), <double*> original.data,
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__zeros); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = PyObject_Length(((PyObject *)__pyx_v_synth)); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = ((PyArrayObject *)__pyx_t_1);
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_residual.rcbuffer->pybuffer, (PyObject*)__pyx_t_5, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
+      __pyx_v_residual = ((PyArrayObject *)Py_None); __Pyx_INCREF(Py_None); __pyx_pybuffernd_residual.rcbuffer->pybuffer.buf = NULL;
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    } else {__pyx_pybuffernd_residual.diminfo[0].strides = __pyx_pybuffernd_residual.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_residual.diminfo[0].shape = __pyx_pybuffernd_residual.rcbuffer->pybuffer.shape[0];
+    }
+  }
+  __pyx_t_5 = 0;
+  __pyx_v_residual = ((PyArrayObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "simpl/residual.pyx":33
+ *                        np.ndarray[dtype_t, ndim=1] original):
+ *         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+ *         self.thisptr.residual_frame(len(synth), <double*> synth.data,             # <<<<<<<<<<<<<<
+ *                                     len(original), <double*> original.data,
+ *                                     len(residual), <double*> residual.data)
+ */
+  __pyx_t_3 = PyObject_Length(((PyObject *)__pyx_v_synth)); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 33; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "simpl/residual.pyx":34
+ *         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+ *         self.thisptr.residual_frame(len(synth), <double*> synth.data,
+ *                                     len(original), <double*> original.data,             # <<<<<<<<<<<<<<
+ *                                     len(residual), <double*> residual.data)
+ *         return residual
+ */
+  __pyx_t_6 = PyObject_Length(((PyObject *)__pyx_v_original)); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 34; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "simpl/residual.pyx":35
+ *         self.thisptr.residual_frame(len(synth), <double*> synth.data,
+ *                                     len(original), <double*> original.data,
+ *                                     len(residual), <double*> residual.data)             # <<<<<<<<<<<<<<
+ *         return residual
+ * 
+ */
+  __pyx_t_7 = PyObject_Length(((PyObject *)__pyx_v_residual)); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_v_self->thisptr->residual_frame(__pyx_t_3, ((double *)__pyx_v_synth->data), __pyx_t_6, ((double *)__pyx_v_original->data), __pyx_t_7, ((double *)__pyx_v_residual->data));
+
+  /* "simpl/residual.pyx":36
+ *                                     len(original), <double*> original.data,
+ *                                     len(residual), <double*> residual.data)
+ *         return residual             # <<<<<<<<<<<<<<
+ * 
+ *     def find_residual(self, np.ndarray[dtype_t, ndim=1] synth,
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_residual));
+  __pyx_r = ((PyObject *)__pyx_v_residual);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_4);
+  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
+    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_original.rcbuffer->pybuffer);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_residual.rcbuffer->pybuffer);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_synth.rcbuffer->pybuffer);
+  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
+  __Pyx_AddTraceback("simpl.residual.Residual.residual_frame", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  goto __pyx_L2;
+  __pyx_L0:;
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_original.rcbuffer->pybuffer);
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_residual.rcbuffer->pybuffer);
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_synth.rcbuffer->pybuffer);
+  __pyx_L2:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_residual);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_7find_residual(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_7find_residual(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyArrayObject *__pyx_v_synth = 0;
+  PyArrayObject *__pyx_v_original = 0;
+  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__synth,&__pyx_n_s__original,0};
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("find_residual (wrapper)", 0);
+  {
+    PyObject* values[2] = {0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__synth);
+        if (likely(values[0])) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__original);
+        if (likely(values[1])) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("find_residual", 1, 2, 2, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "find_residual") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+    }
+    __pyx_v_synth = ((PyArrayObject *)values[0]);
+    __pyx_v_original = ((PyArrayObject *)values[1]);
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("find_residual", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.residual.Residual.find_residual", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_synth), __pyx_ptype_5numpy_ndarray, 1, "synth", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_original), __pyx_ptype_5numpy_ndarray, 1, "original", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 39; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_6find_residual(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self), __pyx_v_synth, __pyx_v_original);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":38
+ *         return residual
+ * 
+ *     def find_residual(self, np.ndarray[dtype_t, ndim=1] synth,             # <<<<<<<<<<<<<<
+ *                       np.ndarray[dtype_t, ndim=1] original):
+ *         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+ */
+
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_6find_residual(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, PyArrayObject *__pyx_v_synth, PyArrayObject *__pyx_v_original) {
+  PyArrayObject *__pyx_v_residual = 0;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_original;
+  __Pyx_Buffer __pyx_pybuffer_original;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_residual;
+  __Pyx_Buffer __pyx_pybuffer_residual;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_synth;
+  __Pyx_Buffer __pyx_pybuffer_synth;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  Py_ssize_t __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  PyArrayObject *__pyx_t_5 = NULL;
+  Py_ssize_t __pyx_t_6;
+  Py_ssize_t __pyx_t_7;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("find_residual", 0);
+  __pyx_pybuffer_residual.pybuffer.buf = NULL;
+  __pyx_pybuffer_residual.refcount = 0;
+  __pyx_pybuffernd_residual.data = NULL;
+  __pyx_pybuffernd_residual.rcbuffer = &__pyx_pybuffer_residual;
+  __pyx_pybuffer_synth.pybuffer.buf = NULL;
+  __pyx_pybuffer_synth.refcount = 0;
+  __pyx_pybuffernd_synth.data = NULL;
+  __pyx_pybuffernd_synth.rcbuffer = &__pyx_pybuffer_synth;
+  __pyx_pybuffer_original.pybuffer.buf = NULL;
+  __pyx_pybuffer_original.refcount = 0;
+  __pyx_pybuffernd_original.data = NULL;
+  __pyx_pybuffernd_original.rcbuffer = &__pyx_pybuffer_original;
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_synth.rcbuffer->pybuffer, (PyObject*)__pyx_v_synth, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __pyx_pybuffernd_synth.diminfo[0].strides = __pyx_pybuffernd_synth.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_synth.diminfo[0].shape = __pyx_pybuffernd_synth.rcbuffer->pybuffer.shape[0];
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_original.rcbuffer->pybuffer, (PyObject*)__pyx_v_original, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __pyx_pybuffernd_original.diminfo[0].strides = __pyx_pybuffernd_original.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_original.diminfo[0].shape = __pyx_pybuffernd_original.rcbuffer->pybuffer.shape[0];
+
+  /* "simpl/residual.pyx":40
+ *     def find_residual(self, np.ndarray[dtype_t, ndim=1] synth,
+ *                       np.ndarray[dtype_t, ndim=1] original):
+ *         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))             # <<<<<<<<<<<<<<
+ *         self.thisptr.find_residual(len(synth), <double*> synth.data,
+ *                                    len(original), <double*> original.data,
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__zeros); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = PyObject_Length(((PyObject *)__pyx_v_synth)); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = ((PyArrayObject *)__pyx_t_1);
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_residual.rcbuffer->pybuffer, (PyObject*)__pyx_t_5, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
+      __pyx_v_residual = ((PyArrayObject *)Py_None); __Pyx_INCREF(Py_None); __pyx_pybuffernd_residual.rcbuffer->pybuffer.buf = NULL;
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    } else {__pyx_pybuffernd_residual.diminfo[0].strides = __pyx_pybuffernd_residual.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_residual.diminfo[0].shape = __pyx_pybuffernd_residual.rcbuffer->pybuffer.shape[0];
+    }
+  }
+  __pyx_t_5 = 0;
+  __pyx_v_residual = ((PyArrayObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "simpl/residual.pyx":41
+ *                       np.ndarray[dtype_t, ndim=1] original):
+ *         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+ *         self.thisptr.find_residual(len(synth), <double*> synth.data,             # <<<<<<<<<<<<<<
+ *                                    len(original), <double*> original.data,
+ *                                    len(residual), <double*> residual.data)
+ */
+  __pyx_t_3 = PyObject_Length(((PyObject *)__pyx_v_synth)); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 41; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "simpl/residual.pyx":42
+ *         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+ *         self.thisptr.find_residual(len(synth), <double*> synth.data,
+ *                                    len(original), <double*> original.data,             # <<<<<<<<<<<<<<
+ *                                    len(residual), <double*> residual.data)
+ *         return residual
+ */
+  __pyx_t_6 = PyObject_Length(((PyObject *)__pyx_v_original)); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "simpl/residual.pyx":43
+ *         self.thisptr.find_residual(len(synth), <double*> synth.data,
+ *                                    len(original), <double*> original.data,
+ *                                    len(residual), <double*> residual.data)             # <<<<<<<<<<<<<<
+ *         return residual
+ * 
+ */
+  __pyx_t_7 = PyObject_Length(((PyObject *)__pyx_v_residual)); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_v_self->thisptr->find_residual(__pyx_t_3, ((double *)__pyx_v_synth->data), __pyx_t_6, ((double *)__pyx_v_original->data), __pyx_t_7, ((double *)__pyx_v_residual->data));
+
+  /* "simpl/residual.pyx":44
+ *                                    len(original), <double*> original.data,
+ *                                    len(residual), <double*> residual.data)
+ *         return residual             # <<<<<<<<<<<<<<
+ * 
+ *     def synth_frame(self, Frame frame not None):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_residual));
+  __pyx_r = ((PyObject *)__pyx_v_residual);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_4);
+  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
+    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_original.rcbuffer->pybuffer);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_residual.rcbuffer->pybuffer);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_synth.rcbuffer->pybuffer);
+  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
+  __Pyx_AddTraceback("simpl.residual.Residual.find_residual", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  goto __pyx_L2;
+  __pyx_L0:;
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_original.rcbuffer->pybuffer);
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_residual.rcbuffer->pybuffer);
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_synth.rcbuffer->pybuffer);
+  __pyx_L2:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_residual);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_9synth_frame(PyObject *__pyx_v_self, PyObject *__pyx_v_frame); /*proto*/
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_9synth_frame(PyObject *__pyx_v_self, PyObject *__pyx_v_frame) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("synth_frame (wrapper)", 0);
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_frame), __pyx_ptype_5simpl_4base_Frame, 0, "frame", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_8synth_frame(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self), ((struct __pyx_obj_5simpl_4base_Frame *)__pyx_v_frame));
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":46
+ *         return residual
+ * 
+ *     def synth_frame(self, Frame frame not None):             # <<<<<<<<<<<<<<
+ *         self.thisptr.synth_frame(frame.thisptr)
+ *         return frame.audio
+ */
+
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_8synth_frame(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, struct __pyx_obj_5simpl_4base_Frame *__pyx_v_frame) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("synth_frame", 0);
+
+  /* "simpl/residual.pyx":47
+ * 
+ *     def synth_frame(self, Frame frame not None):
+ *         self.thisptr.synth_frame(frame.thisptr)             # <<<<<<<<<<<<<<
+ *         return frame.audio
+ * 
+ */
+  __pyx_v_self->thisptr->synth_frame(__pyx_v_frame->thisptr);
+
+  /* "simpl/residual.pyx":48
+ *     def synth_frame(self, Frame frame not None):
+ *         self.thisptr.synth_frame(frame.thisptr)
+ *         return frame.audio             # <<<<<<<<<<<<<<
+ * 
+ *     def synth(self, frames):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_frame), __pyx_n_s__audio); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.residual.Residual.synth_frame", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_11synth(PyObject *__pyx_v_self, PyObject *__pyx_v_frames); /*proto*/
+static PyObject *__pyx_pw_5simpl_8residual_8Residual_11synth(PyObject *__pyx_v_self, PyObject *__pyx_v_frames) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("synth (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_8residual_8Residual_10synth(((struct __pyx_obj_5simpl_8residual_Residual *)__pyx_v_self), ((PyObject *)__pyx_v_frames));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/residual.pyx":50
+ *         return frame.audio
+ * 
+ *     def synth(self, frames):             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:
+ */
+
+static PyObject *__pyx_pf_5simpl_8residual_8Residual_10synth(struct __pyx_obj_5simpl_8residual_Residual *__pyx_v_self, PyObject *__pyx_v_frames) {
+  std::vector<simpl::Frame *> __pyx_v_c_frames;
+  PyObject *__pyx_v_frame = NULL;
+  std::vector<simpl::Frame *> __pyx_v_output_frames;
+  PyArrayObject *__pyx_v_output = 0;
+  npy_intp __pyx_v_shape[1];
+  PyObject *__pyx_v_i = NULL;
+  PyObject *__pyx_v_frame_audio = NULL;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_output;
+  __Pyx_Buffer __pyx_pybuffer_output;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  PyArrayObject *__pyx_t_6 = NULL;
+  size_t __pyx_t_7;
+  Py_ssize_t __pyx_t_8;
+  PyObject *__pyx_t_9 = NULL;
+  Py_ssize_t __pyx_t_10;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("synth", 0);
+  __pyx_pybuffer_output.pybuffer.buf = NULL;
+  __pyx_pybuffer_output.refcount = 0;
+  __pyx_pybuffernd_output.data = NULL;
+  __pyx_pybuffernd_output.rcbuffer = &__pyx_pybuffer_output;
+
+  /* "simpl/residual.pyx":52
+ *     def synth(self, frames):
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:             # <<<<<<<<<<<<<<
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+ */
+  if (PyList_CheckExact(__pyx_v_frames) || PyTuple_CheckExact(__pyx_v_frames)) {
+    __pyx_t_1 = __pyx_v_frames; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_frames); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 52; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 52; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XDECREF(__pyx_v_frame);
+    __pyx_v_frame = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "simpl/residual.pyx":53
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:
+ *             c_frames.push_back((<Frame>frame).thisptr)             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+ *         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+ */
+    __pyx_v_c_frames.push_back(((struct __pyx_obj_5simpl_4base_Frame *)__pyx_v_frame)->thisptr);
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/residual.pyx":54
+ *         for frame in frames:
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)             # <<<<<<<<<<<<<<
+ *         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+ *             output_frames.size() * self.thisptr.hop_size()
+ */
+  __pyx_v_output_frames = __pyx_v_self->thisptr->synth(__pyx_v_c_frames);
+
+  /* "simpl/residual.pyx":55
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+ *         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(             # <<<<<<<<<<<<<<
+ *             output_frames.size() * self.thisptr.hop_size()
+ *         )
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_4 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__zeros); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/residual.pyx":56
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+ *         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+ *             output_frames.size() * self.thisptr.hop_size()             # <<<<<<<<<<<<<<
+ *         )
+ *         cdef np.npy_intp shape[1]
+ */
+  __pyx_t_1 = __Pyx_PyInt_FromSize_t((__pyx_v_output_frames.size() * __pyx_v_self->thisptr->hop_size())); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = ((PyArrayObject *)__pyx_t_1);
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_output.rcbuffer->pybuffer, (PyObject*)__pyx_t_6, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
+      __pyx_v_output = ((PyArrayObject *)Py_None); __Pyx_INCREF(Py_None); __pyx_pybuffernd_output.rcbuffer->pybuffer.buf = NULL;
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    } else {__pyx_pybuffernd_output.diminfo[0].strides = __pyx_pybuffernd_output.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_output.diminfo[0].shape = __pyx_pybuffernd_output.rcbuffer->pybuffer.shape[0];
+    }
+  }
+  __pyx_t_6 = 0;
+  __pyx_v_output = ((PyArrayObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "simpl/residual.pyx":59
+ *         )
+ *         cdef np.npy_intp shape[1]
+ *         shape[0] = <np.npy_intp> self.thisptr.hop_size()             # <<<<<<<<<<<<<<
+ *         for i in range(output_frames.size()):
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+ */
+  (__pyx_v_shape[0]) = ((npy_intp)__pyx_v_self->thisptr->hop_size());
+
+  /* "simpl/residual.pyx":60
+ *         cdef np.npy_intp shape[1]
+ *         shape[0] = <np.npy_intp> self.thisptr.hop_size()
+ *         for i in range(output_frames.size()):             # <<<<<<<<<<<<<<
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+ *             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+ */
+  __pyx_t_1 = __Pyx_PyInt_FromSize_t(__pyx_v_output_frames.size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+  if (PyList_CheckExact(__pyx_t_1) || PyTuple_CheckExact(__pyx_t_1)) {
+    __pyx_t_5 = __pyx_t_1; __Pyx_INCREF(__pyx_t_5); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_5 = PyObject_GetIter(__pyx_t_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_3 = Py_TYPE(__pyx_t_5)->tp_iternext;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_5)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_5)) break;
+      __pyx_t_1 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_2); __Pyx_INCREF(__pyx_t_1); __pyx_t_2++;
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_5)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_5)) break;
+      __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_5, __pyx_t_2); __Pyx_INCREF(__pyx_t_1); __pyx_t_2++;
+    } else {
+      __pyx_t_1 = __pyx_t_3(__pyx_t_5);
+      if (unlikely(!__pyx_t_1)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_1);
+    }
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_1;
+    __pyx_t_1 = 0;
+
+    /* "simpl/residual.pyx":61
+ *         shape[0] = <np.npy_intp> self.thisptr.hop_size()
+ *         for i in range(output_frames.size()):
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())             # <<<<<<<<<<<<<<
+ *             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+ *         return output
+ */
+    __pyx_t_7 = __Pyx_PyInt_AsSize_t(__pyx_v_i); if (unlikely((__pyx_t_7 == (size_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyArray_SimpleNewFromData(1, __pyx_v_shape, NPY_DOUBLE, (__pyx_v_output_frames[__pyx_t_7])->synth()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_XDECREF(__pyx_v_frame_audio);
+    __pyx_v_frame_audio = __pyx_t_1;
+    __pyx_t_1 = 0;
+
+    /* "simpl/residual.pyx":62
+ *         for i in range(output_frames.size()):
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+ *             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio             # <<<<<<<<<<<<<<
+ *         return output
+ */
+    __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->hop_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = PyNumber_Multiply(__pyx_v_i, __pyx_t_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_8 = __Pyx_PyIndex_AsSsize_t(__pyx_t_4); if (unlikely((__pyx_t_8 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_4 = PyNumber_Add(__pyx_v_i, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->hop_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_9 = PyNumber_Multiply(__pyx_t_4, __pyx_t_1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_9);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_10 = __Pyx_PyIndex_AsSsize_t(__pyx_t_9); if (unlikely((__pyx_t_10 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+    if (__Pyx_PySequence_SetSlice(((PyObject *)__pyx_v_output), __pyx_t_8, __pyx_t_10, __pyx_v_frame_audio) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+
+  /* "simpl/residual.pyx":63
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+ *             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+ *         return output             # <<<<<<<<<<<<<<
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_output));
+  __pyx_r = ((PyObject *)__pyx_v_output);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_9);
+  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
+    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_output.rcbuffer->pybuffer);
+  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
+  __Pyx_AddTraceback("simpl.residual.Residual.synth", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  goto __pyx_L2;
+  __pyx_L0:;
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_output.rcbuffer->pybuffer);
+  __pyx_L2:;
+  __Pyx_XDECREF(__pyx_v_frame);
+  __Pyx_XDECREF((PyObject *)__pyx_v_output);
+  __Pyx_XDECREF(__pyx_v_i);
+  __Pyx_XDECREF(__pyx_v_frame_audio);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+static int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__getbuffer__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5numpy_7ndarray___getbuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info), ((int)__pyx_v_flags));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":193
+ *         # experimental exception made for __getbuffer__ and __releasebuffer__
+ *         # -- the details of this may change.
+ *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
+ *             # This implementation of getbuffer is geared towards Cython
+ *             # requirements, and does not yet fullfill the PEP.
+ */
+
+static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  int __pyx_v_copy_shape;
+  int __pyx_v_i;
+  int __pyx_v_ndim;
+  int __pyx_v_endian_detector;
+  int __pyx_v_little_endian;
+  int __pyx_v_t;
+  char *__pyx_v_f;
+  PyArray_Descr *__pyx_v_descr = 0;
+  int __pyx_v_offset;
+  int __pyx_v_hasfields;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  PyObject *__pyx_t_8 = NULL;
+  char *__pyx_t_9;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__getbuffer__", 0);
+  if (__pyx_v_info != NULL) {
+    __pyx_v_info->obj = Py_None; __Pyx_INCREF(Py_None);
+    __Pyx_GIVEREF(__pyx_v_info->obj);
+  }
+
+  /* "numpy.pxd":199
+ *             # of flags
+ * 
+ *             if info == NULL: return             # <<<<<<<<<<<<<<
+ * 
+ *             cdef int copy_shape, i, ndim
+ */
+  __pyx_t_1 = (__pyx_v_info == NULL);
+  if (__pyx_t_1) {
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":202
+ * 
+ *             cdef int copy_shape, i, ndim
+ *             cdef int endian_detector = 1             # <<<<<<<<<<<<<<
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ * 
+ */
+  __pyx_v_endian_detector = 1;
+
+  /* "numpy.pxd":203
+ *             cdef int copy_shape, i, ndim
+ *             cdef int endian_detector = 1
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
+ * 
+ *             ndim = PyArray_NDIM(self)
+ */
+  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
+
+  /* "numpy.pxd":205
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ * 
+ *             ndim = PyArray_NDIM(self)             # <<<<<<<<<<<<<<
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ */
+  __pyx_v_ndim = PyArray_NDIM(__pyx_v_self);
+
+  /* "numpy.pxd":207
+ *             ndim = PyArray_NDIM(self)
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
+ *                 copy_shape = 1
+ *             else:
+ */
+  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":208
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 copy_shape = 1             # <<<<<<<<<<<<<<
+ *             else:
+ *                 copy_shape = 0
+ */
+    __pyx_v_copy_shape = 1;
+    goto __pyx_L4;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":210
+ *                 copy_shape = 1
+ *             else:
+ *                 copy_shape = 0             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ */
+    __pyx_v_copy_shape = 0;
+  }
+  __pyx_L4:;
+
+  /* "numpy.pxd":212
+ *                 copy_shape = 0
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)             # <<<<<<<<<<<<<<
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ */
+  __pyx_t_1 = ((__pyx_v_flags & PyBUF_C_CONTIGUOUS) == PyBUF_C_CONTIGUOUS);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":213
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):             # <<<<<<<<<<<<<<
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ * 
+ */
+    __pyx_t_2 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_C_CONTIGUOUS));
+    __pyx_t_3 = __pyx_t_2;
+  } else {
+    __pyx_t_3 = __pyx_t_1;
+  }
+  if (__pyx_t_3) {
+
+    /* "numpy.pxd":214
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ */
+    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_2), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    goto __pyx_L5;
+  }
+  __pyx_L5:;
+
+  /* "numpy.pxd":216
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)             # <<<<<<<<<<<<<<
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ */
+  __pyx_t_3 = ((__pyx_v_flags & PyBUF_F_CONTIGUOUS) == PyBUF_F_CONTIGUOUS);
+  if (__pyx_t_3) {
+
+    /* "numpy.pxd":217
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):             # <<<<<<<<<<<<<<
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ * 
+ */
+    __pyx_t_1 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_F_CONTIGUOUS));
+    __pyx_t_2 = __pyx_t_1;
+  } else {
+    __pyx_t_2 = __pyx_t_3;
+  }
+  if (__pyx_t_2) {
+
+    /* "numpy.pxd":218
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             info.buf = PyArray_DATA(self)
+ */
+    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_4), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    goto __pyx_L6;
+  }
+  __pyx_L6:;
+
+  /* "numpy.pxd":220
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ * 
+ *             info.buf = PyArray_DATA(self)             # <<<<<<<<<<<<<<
+ *             info.ndim = ndim
+ *             if copy_shape:
+ */
+  __pyx_v_info->buf = PyArray_DATA(__pyx_v_self);
+
+  /* "numpy.pxd":221
+ * 
+ *             info.buf = PyArray_DATA(self)
+ *             info.ndim = ndim             # <<<<<<<<<<<<<<
+ *             if copy_shape:
+ *                 # Allocate new buffer for strides and shape info.
+ */
+  __pyx_v_info->ndim = __pyx_v_ndim;
+
+  /* "numpy.pxd":222
+ *             info.buf = PyArray_DATA(self)
+ *             info.ndim = ndim
+ *             if copy_shape:             # <<<<<<<<<<<<<<
+ *                 # Allocate new buffer for strides and shape info.
+ *                 # This is allocated as one block, strides first.
+ */
+  if (__pyx_v_copy_shape) {
+
+    /* "numpy.pxd":225
+ *                 # Allocate new buffer for strides and shape info.
+ *                 # This is allocated as one block, strides first.
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)             # <<<<<<<<<<<<<<
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):
+ */
+    __pyx_v_info->strides = ((Py_ssize_t *)malloc((((sizeof(Py_ssize_t)) * ((size_t)__pyx_v_ndim)) * 2)));
+
+    /* "numpy.pxd":226
+ *                 # This is allocated as one block, strides first.
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
+ *                 info.shape = info.strides + ndim             # <<<<<<<<<<<<<<
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ */
+    __pyx_v_info->shape = (__pyx_v_info->strides + __pyx_v_ndim);
+
+    /* "numpy.pxd":227
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):             # <<<<<<<<<<<<<<
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ */
+    __pyx_t_5 = __pyx_v_ndim;
+    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
+      __pyx_v_i = __pyx_t_6;
+
+      /* "numpy.pxd":228
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]             # <<<<<<<<<<<<<<
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ *             else:
+ */
+      (__pyx_v_info->strides[__pyx_v_i]) = (PyArray_STRIDES(__pyx_v_self)[__pyx_v_i]);
+
+      /* "numpy.pxd":229
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ *                     info.shape[i] = PyArray_DIMS(self)[i]             # <<<<<<<<<<<<<<
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ */
+      (__pyx_v_info->shape[__pyx_v_i]) = (PyArray_DIMS(__pyx_v_self)[__pyx_v_i]);
+    }
+    goto __pyx_L7;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":231
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)             # <<<<<<<<<<<<<<
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL
+ */
+    __pyx_v_info->strides = ((Py_ssize_t *)PyArray_STRIDES(__pyx_v_self));
+
+    /* "numpy.pxd":232
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)             # <<<<<<<<<<<<<<
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ */
+    __pyx_v_info->shape = ((Py_ssize_t *)PyArray_DIMS(__pyx_v_self));
+  }
+  __pyx_L7:;
+
+  /* "numpy.pxd":233
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL             # <<<<<<<<<<<<<<
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ *             info.readonly = not PyArray_ISWRITEABLE(self)
+ */
+  __pyx_v_info->suboffsets = NULL;
+
+  /* "numpy.pxd":234
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)             # <<<<<<<<<<<<<<
+ *             info.readonly = not PyArray_ISWRITEABLE(self)
+ * 
+ */
+  __pyx_v_info->itemsize = PyArray_ITEMSIZE(__pyx_v_self);
+
+  /* "numpy.pxd":235
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ *             info.readonly = not PyArray_ISWRITEABLE(self)             # <<<<<<<<<<<<<<
+ * 
+ *             cdef int t
+ */
+  __pyx_v_info->readonly = (!PyArray_ISWRITEABLE(__pyx_v_self));
+
+  /* "numpy.pxd":238
+ * 
+ *             cdef int t
+ *             cdef char* f = NULL             # <<<<<<<<<<<<<<
+ *             cdef dtype descr = self.descr
+ *             cdef list stack
+ */
+  __pyx_v_f = NULL;
+
+  /* "numpy.pxd":239
+ *             cdef int t
+ *             cdef char* f = NULL
+ *             cdef dtype descr = self.descr             # <<<<<<<<<<<<<<
+ *             cdef list stack
+ *             cdef int offset
+ */
+  __Pyx_INCREF(((PyObject *)__pyx_v_self->descr));
+  __pyx_v_descr = __pyx_v_self->descr;
+
+  /* "numpy.pxd":243
+ *             cdef int offset
+ * 
+ *             cdef bint hasfields = PyDataType_HASFIELDS(descr)             # <<<<<<<<<<<<<<
+ * 
+ *             if not hasfields and not copy_shape:
+ */
+  __pyx_v_hasfields = PyDataType_HASFIELDS(__pyx_v_descr);
+
+  /* "numpy.pxd":245
+ *             cdef bint hasfields = PyDataType_HASFIELDS(descr)
+ * 
+ *             if not hasfields and not copy_shape:             # <<<<<<<<<<<<<<
+ *                 # do not call releasebuffer
+ *                 info.obj = None
+ */
+  __pyx_t_2 = (!__pyx_v_hasfields);
+  if (__pyx_t_2) {
+    __pyx_t_3 = (!__pyx_v_copy_shape);
+    __pyx_t_1 = __pyx_t_3;
+  } else {
+    __pyx_t_1 = __pyx_t_2;
+  }
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":247
+ *             if not hasfields and not copy_shape:
+ *                 # do not call releasebuffer
+ *                 info.obj = None             # <<<<<<<<<<<<<<
+ *             else:
+ *                 # need to call releasebuffer
+ */
+    __Pyx_INCREF(Py_None);
+    __Pyx_GIVEREF(Py_None);
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj);
+    __pyx_v_info->obj = Py_None;
+    goto __pyx_L10;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":250
+ *             else:
+ *                 # need to call releasebuffer
+ *                 info.obj = self             # <<<<<<<<<<<<<<
+ * 
+ *             if not hasfields:
+ */
+    __Pyx_INCREF(((PyObject *)__pyx_v_self));
+    __Pyx_GIVEREF(((PyObject *)__pyx_v_self));
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj);
+    __pyx_v_info->obj = ((PyObject *)__pyx_v_self);
+  }
+  __pyx_L10:;
+
+  /* "numpy.pxd":252
+ *                 info.obj = self
+ * 
+ *             if not hasfields:             # <<<<<<<<<<<<<<
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ */
+  __pyx_t_1 = (!__pyx_v_hasfields);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":253
+ * 
+ *             if not hasfields:
+ *                 t = descr.type_num             # <<<<<<<<<<<<<<
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ */
+    __pyx_v_t = __pyx_v_descr->type_num;
+
+    /* "numpy.pxd":254
+ *             if not hasfields:
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or             # <<<<<<<<<<<<<<
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")
+ */
+    __pyx_t_1 = (__pyx_v_descr->byteorder == '>');
+    if (__pyx_t_1) {
+      __pyx_t_2 = __pyx_v_little_endian;
+    } else {
+      __pyx_t_2 = __pyx_t_1;
+    }
+    if (!__pyx_t_2) {
+
+      /* "numpy.pxd":255
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):             # <<<<<<<<<<<<<<
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"
+ */
+      __pyx_t_1 = (__pyx_v_descr->byteorder == '<');
+      if (__pyx_t_1) {
+        __pyx_t_3 = (!__pyx_v_little_endian);
+        __pyx_t_7 = __pyx_t_3;
+      } else {
+        __pyx_t_7 = __pyx_t_1;
+      }
+      __pyx_t_1 = __pyx_t_7;
+    } else {
+      __pyx_t_1 = __pyx_t_2;
+    }
+    if (__pyx_t_1) {
+
+      /* "numpy.pxd":256
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ */
+      __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_6), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L12;
+    }
+    __pyx_L12:;
+
+    /* "numpy.pxd":257
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_BYTE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__b;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":258
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_UBYTE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__B;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":259
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_SHORT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__h;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":260
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_USHORT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__H;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":261
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_INT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__i;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":262
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_UINT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__I;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":263
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__l;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":264
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_ULONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__L;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":265
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONGLONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__q;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":266
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_ULONGLONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Q;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":267
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_FLOAT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__f;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":268
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_DOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__d;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":269
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONGDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__g;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":270
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CFLOAT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zf;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":271
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zd;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":272
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_OBJECT:      f = "O"
+ *                 else:
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CLONGDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zg;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":273
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_OBJECT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__O;
+      goto __pyx_L13;
+    }
+    /*else*/ {
+
+      /* "numpy.pxd":275
+ *                 elif t == NPY_OBJECT:      f = "O"
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
+ *                 info.format = f
+ *                 return
+ */
+      __pyx_t_4 = PyInt_FromLong(__pyx_v_t); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_7), __pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(((PyObject *)__pyx_t_8));
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_t_8));
+      __Pyx_GIVEREF(((PyObject *)__pyx_t_8));
+      __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_Raise(__pyx_t_8, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    __pyx_L13:;
+
+    /* "numpy.pxd":276
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *                 info.format = f             # <<<<<<<<<<<<<<
+ *                 return
+ *             else:
+ */
+    __pyx_v_info->format = __pyx_v_f;
+
+    /* "numpy.pxd":277
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *                 info.format = f
+ *                 return             # <<<<<<<<<<<<<<
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ */
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L11;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":279
+ *                 return
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)             # <<<<<<<<<<<<<<
+ *                 info.format[0] = '^' # Native data types, manual alignment
+ *                 offset = 0
+ */
+    __pyx_v_info->format = ((char *)malloc(255));
+
+    /* "numpy.pxd":280
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ *                 info.format[0] = '^' # Native data types, manual alignment             # <<<<<<<<<<<<<<
+ *                 offset = 0
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ */
+    (__pyx_v_info->format[0]) = '^';
+
+    /* "numpy.pxd":281
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ *                 info.format[0] = '^' # Native data types, manual alignment
+ *                 offset = 0             # <<<<<<<<<<<<<<
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ *                                       info.format + _buffer_format_string_len,
+ */
+    __pyx_v_offset = 0;
+
+    /* "numpy.pxd":284
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ *                                       info.format + _buffer_format_string_len,
+ *                                       &offset)             # <<<<<<<<<<<<<<
+ *                 f[0] = 0 # Terminate format string
+ * 
+ */
+    __pyx_t_9 = __pyx_f_5numpy__util_dtypestring(__pyx_v_descr, (__pyx_v_info->format + 1), (__pyx_v_info->format + 255), (&__pyx_v_offset)); if (unlikely(__pyx_t_9 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 282; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_v_f = __pyx_t_9;
+
+    /* "numpy.pxd":285
+ *                                       info.format + _buffer_format_string_len,
+ *                                       &offset)
+ *                 f[0] = 0 # Terminate format string             # <<<<<<<<<<<<<<
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ */
+    (__pyx_v_f[0]) = 0;
+  }
+  __pyx_L11:;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_8);
+  __Pyx_AddTraceback("numpy.ndarray.__getbuffer__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  if (__pyx_v_info != NULL && __pyx_v_info->obj != NULL) {
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj); __pyx_v_info->obj = NULL;
+  }
+  goto __pyx_L2;
+  __pyx_L0:;
+  if (__pyx_v_info != NULL && __pyx_v_info->obj == Py_None) {
+    __Pyx_GOTREF(Py_None);
+    __Pyx_DECREF(Py_None); __pyx_v_info->obj = NULL;
+  }
+  __pyx_L2:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_descr);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info); /*proto*/
+static void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__releasebuffer__ (wrapper)", 0);
+  __pyx_pf_5numpy_7ndarray_2__releasebuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":287
+ *                 f[0] = 0 # Terminate format string
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ */
+
+static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("__releasebuffer__", 0);
+
+  /* "numpy.pxd":288
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ *             if PyArray_HASFIELDS(self):             # <<<<<<<<<<<<<<
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ */
+  __pyx_t_1 = PyArray_HASFIELDS(__pyx_v_self);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":289
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)             # <<<<<<<<<<<<<<
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 stdlib.free(info.strides)
+ */
+    free(__pyx_v_info->format);
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":290
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
+ *                 stdlib.free(info.strides)
+ *                 # info.shape was stored after info.strides in the same block
+ */
+  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":291
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 stdlib.free(info.strides)             # <<<<<<<<<<<<<<
+ *                 # info.shape was stored after info.strides in the same block
+ * 
+ */
+    free(__pyx_v_info->strides);
+    goto __pyx_L4;
+  }
+  __pyx_L4:;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":767
+ * ctypedef npy_cdouble     complex_t
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__pyx_v_a) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew1", 0);
+
+  /* "numpy.pxd":768
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):
+ *     return PyArray_MultiIterNew(1, <void*>a)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(1, ((void *)__pyx_v_a)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew1", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":770
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__pyx_v_a, PyObject *__pyx_v_b) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew2", 0);
+
+  /* "numpy.pxd":771
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(2, ((void *)__pyx_v_a), ((void *)__pyx_v_b)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 771; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew2", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":773
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew3", 0);
+
+  /* "numpy.pxd":774
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(3, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 774; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew3", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":776
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew4", 0);
+
+  /* "numpy.pxd":777
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(4, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 777; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew4", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":779
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d, PyObject *__pyx_v_e) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew5", 0);
+
+  /* "numpy.pxd":780
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(5, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d), ((void *)__pyx_v_e)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew5", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":782
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:             # <<<<<<<<<<<<<<
+ *     # Recursive utility function used in __getbuffer__ to get format
+ *     # string. The new location in the format string is returned.
+ */
+
+static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx_v_descr, char *__pyx_v_f, char *__pyx_v_end, int *__pyx_v_offset) {
+  PyArray_Descr *__pyx_v_child = 0;
+  int __pyx_v_endian_detector;
+  int __pyx_v_little_endian;
+  PyObject *__pyx_v_fields = 0;
+  PyObject *__pyx_v_childname = NULL;
+  PyObject *__pyx_v_new_offset = NULL;
+  PyObject *__pyx_v_t = NULL;
+  char *__pyx_r;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  int __pyx_t_8;
+  int __pyx_t_9;
+  long __pyx_t_10;
+  char *__pyx_t_11;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("_util_dtypestring", 0);
+
+  /* "numpy.pxd":789
+ *     cdef int delta_offset
+ *     cdef tuple i
+ *     cdef int endian_detector = 1             # <<<<<<<<<<<<<<
+ *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ *     cdef tuple fields
+ */
+  __pyx_v_endian_detector = 1;
+
+  /* "numpy.pxd":790
+ *     cdef tuple i
+ *     cdef int endian_detector = 1
+ *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
+ *     cdef tuple fields
+ * 
+ */
+  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
+
+  /* "numpy.pxd":793
+ *     cdef tuple fields
+ * 
+ *     for childname in descr.names:             # <<<<<<<<<<<<<<
+ *         fields = descr.fields[childname]
+ *         child, new_offset = fields
+ */
+  if (unlikely(((PyObject *)__pyx_v_descr->names) == Py_None)) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); {__pyx_filename = __pyx_f[1]; __pyx_lineno = 793; __pyx_clineno = __LINE__; goto __pyx_L1_error;} 
+  }
+  __pyx_t_1 = ((PyObject *)__pyx_v_descr->names); __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+  for (;;) {
+    if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+    __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++;
+    __Pyx_XDECREF(__pyx_v_childname);
+    __pyx_v_childname = __pyx_t_3;
+    __pyx_t_3 = 0;
+
+    /* "numpy.pxd":794
+ * 
+ *     for childname in descr.names:
+ *         fields = descr.fields[childname]             # <<<<<<<<<<<<<<
+ *         child, new_offset = fields
+ * 
+ */
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (!__pyx_t_3) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected tuple, got %.200s", Py_TYPE(__pyx_t_3)->tp_name), 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF(((PyObject *)__pyx_v_fields));
+    __pyx_v_fields = ((PyObject*)__pyx_t_3);
+    __pyx_t_3 = 0;
+
+    /* "numpy.pxd":795
+ *     for childname in descr.names:
+ *         fields = descr.fields[childname]
+ *         child, new_offset = fields             # <<<<<<<<<<<<<<
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ */
+    if (likely(PyTuple_CheckExact(((PyObject *)__pyx_v_fields)))) {
+      PyObject* sequence = ((PyObject *)__pyx_v_fields);
+      if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) {
+        if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
+        else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); 
+      __pyx_t_4 = PyTuple_GET_ITEM(sequence, 1); 
+      __Pyx_INCREF(__pyx_t_3);
+      __Pyx_INCREF(__pyx_t_4);
+    } else {
+      __Pyx_UnpackTupleError(((PyObject *)__pyx_v_fields), 2);
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_dtype))))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF(((PyObject *)__pyx_v_child));
+    __pyx_v_child = ((PyArray_Descr *)__pyx_t_3);
+    __pyx_t_3 = 0;
+    __Pyx_XDECREF(__pyx_v_new_offset);
+    __pyx_v_new_offset = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "numpy.pxd":797
+ *         child, new_offset = fields
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:             # <<<<<<<<<<<<<<
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
+ * 
+ */
+    __pyx_t_4 = PyInt_FromLong((__pyx_v_end - __pyx_v_f)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_3 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = PyNumber_Subtract(__pyx_v_new_offset, __pyx_t_3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_3 = PyNumber_Subtract(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_int_15, Py_LT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":798
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ */
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_9), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
+
+    /* "numpy.pxd":800
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or             # <<<<<<<<<<<<<<
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")
+ */
+    __pyx_t_6 = (__pyx_v_child->byteorder == '>');
+    if (__pyx_t_6) {
+      __pyx_t_7 = __pyx_v_little_endian;
+    } else {
+      __pyx_t_7 = __pyx_t_6;
+    }
+    if (!__pyx_t_7) {
+
+      /* "numpy.pxd":801
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):             # <<<<<<<<<<<<<<
+ *             raise ValueError(u"Non-native byte order not supported")
+ *             # One could encode it in the format string and have Cython
+ */
+      __pyx_t_6 = (__pyx_v_child->byteorder == '<');
+      if (__pyx_t_6) {
+        __pyx_t_8 = (!__pyx_v_little_endian);
+        __pyx_t_9 = __pyx_t_8;
+      } else {
+        __pyx_t_9 = __pyx_t_6;
+      }
+      __pyx_t_6 = __pyx_t_9;
+    } else {
+      __pyx_t_6 = __pyx_t_7;
+    }
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":802
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *             # One could encode it in the format string and have Cython
+ *             # complain instead, BUT: < and > in format strings also imply
+ */
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_10), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L6;
+    }
+    __pyx_L6:;
+
+    /* "numpy.pxd":812
+ * 
+ *         # Output padding bytes
+ *         while offset[0] < new_offset:             # <<<<<<<<<<<<<<
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1
+ */
+    while (1) {
+      __pyx_t_5 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_t_5, __pyx_v_new_offset, Py_LT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (!__pyx_t_6) break;
+
+      /* "numpy.pxd":813
+ *         # Output padding bytes
+ *         while offset[0] < new_offset:
+ *             f[0] = 120 # "x"; pad byte             # <<<<<<<<<<<<<<
+ *             f += 1
+ *             offset[0] += 1
+ */
+      (__pyx_v_f[0]) = 120;
+
+      /* "numpy.pxd":814
+ *         while offset[0] < new_offset:
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1             # <<<<<<<<<<<<<<
+ *             offset[0] += 1
+ * 
+ */
+      __pyx_v_f = (__pyx_v_f + 1);
+
+      /* "numpy.pxd":815
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1
+ *             offset[0] += 1             # <<<<<<<<<<<<<<
+ * 
+ *         offset[0] += child.itemsize
+ */
+      __pyx_t_10 = 0;
+      (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + 1);
+    }
+
+    /* "numpy.pxd":817
+ *             offset[0] += 1
+ * 
+ *         offset[0] += child.itemsize             # <<<<<<<<<<<<<<
+ * 
+ *         if not PyDataType_HASFIELDS(child):
+ */
+    __pyx_t_10 = 0;
+    (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + __pyx_v_child->elsize);
+
+    /* "numpy.pxd":819
+ *         offset[0] += child.itemsize
+ * 
+ *         if not PyDataType_HASFIELDS(child):             # <<<<<<<<<<<<<<
+ *             t = child.type_num
+ *             if end - f < 5:
+ */
+    __pyx_t_6 = (!PyDataType_HASFIELDS(__pyx_v_child));
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":820
+ * 
+ *         if not PyDataType_HASFIELDS(child):
+ *             t = child.type_num             # <<<<<<<<<<<<<<
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")
+ */
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_child->type_num); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 820; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_XDECREF(__pyx_v_t);
+      __pyx_v_t = __pyx_t_3;
+      __pyx_t_3 = 0;
+
+      /* "numpy.pxd":821
+ *         if not PyDataType_HASFIELDS(child):
+ *             t = child.type_num
+ *             if end - f < 5:             # <<<<<<<<<<<<<<
+ *                 raise RuntimeError(u"Format string allocated too short.")
+ * 
+ */
+      __pyx_t_6 = ((__pyx_v_end - __pyx_v_f) < 5);
+      if (__pyx_t_6) {
+
+        /* "numpy.pxd":822
+ *             t = child.type_num
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ */
+        __pyx_t_3 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_12), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        goto __pyx_L10;
+      }
+      __pyx_L10:;
+
+      /* "numpy.pxd":825
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_BYTE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 98;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":826
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_UBYTE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 66;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":827
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_SHORT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 104;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":828
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_USHORT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 72;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":829
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_INT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 105;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":830
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_UINT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 73;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":831
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 108;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":832
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_ULONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 76;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":833
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONGLONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 113;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":834
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_ULONGLONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 81;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":835
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_FLOAT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 102;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":836
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_DOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 100;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":837
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONGDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 103;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":838
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_CFLOAT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 102;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":839
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_CDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 100;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":840
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg             # <<<<<<<<<<<<<<
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ *             else:
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_CLONGDOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 103;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":841
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_OBJECT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 79;
+        goto __pyx_L11;
+      }
+      /*else*/ {
+
+        /* "numpy.pxd":843
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
+ *             f += 1
+ *         else:
+ */
+        __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_7), __pyx_v_t); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(((PyObject *)__pyx_t_5));
+        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_t_5));
+        __Pyx_GIVEREF(((PyObject *)__pyx_t_5));
+        __pyx_t_5 = 0;
+        __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+        __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      __pyx_L11:;
+
+      /* "numpy.pxd":844
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *             f += 1             # <<<<<<<<<<<<<<
+ *         else:
+ *             # Cython ignores struct boundary information ("T{...}"),
+ */
+      __pyx_v_f = (__pyx_v_f + 1);
+      goto __pyx_L9;
+    }
+    /*else*/ {
+
+      /* "numpy.pxd":848
+ *             # Cython ignores struct boundary information ("T{...}"),
+ *             # so don't output it
+ *             f = _util_dtypestring(child, f, end, offset)             # <<<<<<<<<<<<<<
+ *     return f
+ * 
+ */
+      __pyx_t_11 = __pyx_f_5numpy__util_dtypestring(__pyx_v_child, __pyx_v_f, __pyx_v_end, __pyx_v_offset); if (unlikely(__pyx_t_11 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_v_f = __pyx_t_11;
+    }
+    __pyx_L9:;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "numpy.pxd":849
+ *             # so don't output it
+ *             f = _util_dtypestring(child, f, end, offset)
+ *     return f             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_f;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("numpy._util_dtypestring", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_child);
+  __Pyx_XDECREF(__pyx_v_fields);
+  __Pyx_XDECREF(__pyx_v_childname);
+  __Pyx_XDECREF(__pyx_v_new_offset);
+  __Pyx_XDECREF(__pyx_v_t);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":964
+ * 
+ * 
+ * cdef inline void set_array_base(ndarray arr, object base):             # <<<<<<<<<<<<<<
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ */
+
+static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_arr, PyObject *__pyx_v_base) {
+  PyObject *__pyx_v_baseptr;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("set_array_base", 0);
+
+  /* "numpy.pxd":966
+ * cdef inline void set_array_base(ndarray arr, object base):
+ *      cdef PyObject* baseptr
+ *      if base is None:             # <<<<<<<<<<<<<<
+ *          baseptr = NULL
+ *      else:
+ */
+  __pyx_t_1 = (__pyx_v_base == Py_None);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":967
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ *          baseptr = NULL             # <<<<<<<<<<<<<<
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!
+ */
+    __pyx_v_baseptr = NULL;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":969
+ *          baseptr = NULL
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!             # <<<<<<<<<<<<<<
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)
+ */
+    Py_INCREF(__pyx_v_base);
+
+    /* "numpy.pxd":970
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!
+ *          baseptr = <PyObject*>base             # <<<<<<<<<<<<<<
+ *      Py_XDECREF(arr.base)
+ *      arr.base = baseptr
+ */
+    __pyx_v_baseptr = ((PyObject *)__pyx_v_base);
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":971
+ *          Py_INCREF(base) # important to do this before decref below!
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)             # <<<<<<<<<<<<<<
+ *      arr.base = baseptr
+ * 
+ */
+  Py_XDECREF(__pyx_v_arr->base);
+
+  /* "numpy.pxd":972
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)
+ *      arr.base = baseptr             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object get_array_base(ndarray arr):
+ */
+  __pyx_v_arr->base = __pyx_v_baseptr;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":974
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__pyx_v_arr) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("get_array_base", 0);
+
+  /* "numpy.pxd":975
+ * 
+ * cdef inline object get_array_base(ndarray arr):
+ *     if arr.base is NULL:             # <<<<<<<<<<<<<<
+ *         return None
+ *     else:
+ */
+  __pyx_t_1 = (__pyx_v_arr->base == NULL);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":976
+ * cdef inline object get_array_base(ndarray arr):
+ *     if arr.base is NULL:
+ *         return None             # <<<<<<<<<<<<<<
+ *     else:
+ *         return <object>arr.base
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(Py_None);
+    __pyx_r = Py_None;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":978
+ *         return None
+ *     else:
+ *         return <object>arr.base             # <<<<<<<<<<<<<<
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(((PyObject *)__pyx_v_arr->base));
+    __pyx_r = ((PyObject *)__pyx_v_arr->base);
+    goto __pyx_L0;
+  }
+  __pyx_L3:;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_tp_new_5simpl_8residual_Residual(PyTypeObject *t, PyObject *a, PyObject *k) {
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  if (__pyx_pw_5simpl_8residual_8Residual_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_5simpl_8residual_Residual(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_5simpl_8residual_8Residual_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyObject *__pyx_getprop_5simpl_8residual_8Residual_sampling_rate(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_8residual_8Residual_13sampling_rate_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_8residual_8Residual_sampling_rate(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_8residual_8Residual_13sampling_rate_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_8residual_8Residual_frame_size(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_8residual_8Residual_10frame_size_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_8residual_8Residual_frame_size(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_8residual_8Residual_10frame_size_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_8residual_8Residual_hop_size(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_8residual_8Residual_8hop_size_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_8residual_8Residual_hop_size(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_8residual_8Residual_8hop_size_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyMethodDef __pyx_methods_5simpl_8residual_Residual[] = {
+  {__Pyx_NAMESTR("residual_frame"), (PyCFunction)__pyx_pw_5simpl_8residual_8Residual_5residual_frame, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("find_residual"), (PyCFunction)__pyx_pw_5simpl_8residual_8Residual_7find_residual, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("synth_frame"), (PyCFunction)__pyx_pw_5simpl_8residual_8Residual_9synth_frame, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("synth"), (PyCFunction)__pyx_pw_5simpl_8residual_8Residual_11synth, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_5simpl_8residual_Residual[] = {
+  {(char *)"sampling_rate", __pyx_getprop_5simpl_8residual_8Residual_sampling_rate, __pyx_setprop_5simpl_8residual_8Residual_sampling_rate, 0, 0},
+  {(char *)"frame_size", __pyx_getprop_5simpl_8residual_8Residual_frame_size, __pyx_setprop_5simpl_8residual_8Residual_frame_size, 0, 0},
+  {(char *)"hop_size", __pyx_getprop_5simpl_8residual_8Residual_hop_size, __pyx_setprop_5simpl_8residual_8Residual_hop_size, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Residual = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Residual = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Residual = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Residual = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_5simpl_8residual_Residual = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("simpl.residual.Residual"), /*tp_name*/
+  sizeof(struct __pyx_obj_5simpl_8residual_Residual), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_5simpl_8residual_Residual, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Residual, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Residual, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Residual, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Residual, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_5simpl_8residual_Residual, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_5simpl_8residual_Residual, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_5simpl_8residual_Residual, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyMethodDef __pyx_methods[] = {
+  {0, 0, 0, 0}
+};
+
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef __pyx_moduledef = {
+    PyModuleDef_HEAD_INIT,
+    __Pyx_NAMESTR("residual"),
+    0, /* m_doc */
+    -1, /* m_size */
+    __pyx_methods /* m_methods */,
+    NULL, /* m_reload */
+    NULL, /* m_traverse */
+    NULL, /* m_clear */
+    NULL /* m_free */
+};
+#endif
+
+static __Pyx_StringTabEntry __pyx_string_tab[] = {
+  {&__pyx_kp_u_1, __pyx_k_1, sizeof(__pyx_k_1), 0, 1, 0, 0},
+  {&__pyx_kp_u_11, __pyx_k_11, sizeof(__pyx_k_11), 0, 1, 0, 0},
+  {&__pyx_kp_u_3, __pyx_k_3, sizeof(__pyx_k_3), 0, 1, 0, 0},
+  {&__pyx_kp_u_5, __pyx_k_5, sizeof(__pyx_k_5), 0, 1, 0, 0},
+  {&__pyx_kp_u_7, __pyx_k_7, sizeof(__pyx_k_7), 0, 1, 0, 0},
+  {&__pyx_kp_u_8, __pyx_k_8, sizeof(__pyx_k_8), 0, 1, 0, 0},
+  {&__pyx_n_s__RuntimeError, __pyx_k__RuntimeError, sizeof(__pyx_k__RuntimeError), 0, 0, 1, 1},
+  {&__pyx_n_s__ValueError, __pyx_k__ValueError, sizeof(__pyx_k__ValueError), 0, 0, 1, 1},
+  {&__pyx_n_s____main__, __pyx_k____main__, sizeof(__pyx_k____main__), 0, 0, 1, 1},
+  {&__pyx_n_s____test__, __pyx_k____test__, sizeof(__pyx_k____test__), 0, 0, 1, 1},
+  {&__pyx_n_s__audio, __pyx_k__audio, sizeof(__pyx_k__audio), 0, 0, 1, 1},
+  {&__pyx_n_s__np, __pyx_k__np, sizeof(__pyx_k__np), 0, 0, 1, 1},
+  {&__pyx_n_s__numpy, __pyx_k__numpy, sizeof(__pyx_k__numpy), 0, 0, 1, 1},
+  {&__pyx_n_s__original, __pyx_k__original, sizeof(__pyx_k__original), 0, 0, 1, 1},
+  {&__pyx_n_s__range, __pyx_k__range, sizeof(__pyx_k__range), 0, 0, 1, 1},
+  {&__pyx_n_s__synth, __pyx_k__synth, sizeof(__pyx_k__synth), 0, 0, 1, 1},
+  {&__pyx_n_s__zeros, __pyx_k__zeros, sizeof(__pyx_k__zeros), 0, 0, 1, 1},
+  {0, 0, 0, 0, 0, 0, 0}
+};
+static int __Pyx_InitCachedBuiltins(void) {
+  __pyx_builtin_range = __Pyx_GetName(__pyx_b, __pyx_n_s__range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_RuntimeError = __Pyx_GetName(__pyx_b, __pyx_n_s__RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+static int __Pyx_InitCachedConstants(void) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
+
+  /* "numpy.pxd":214
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ */
+  __pyx_k_tuple_2 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_2)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_2);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_1));
+  PyTuple_SET_ITEM(__pyx_k_tuple_2, 0, ((PyObject *)__pyx_kp_u_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_2));
+
+  /* "numpy.pxd":218
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             info.buf = PyArray_DATA(self)
+ */
+  __pyx_k_tuple_4 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_4);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_3));
+  PyTuple_SET_ITEM(__pyx_k_tuple_4, 0, ((PyObject *)__pyx_kp_u_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_4));
+
+  /* "numpy.pxd":256
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ */
+  __pyx_k_tuple_6 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_6)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_6);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_5));
+  PyTuple_SET_ITEM(__pyx_k_tuple_6, 0, ((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_6));
+
+  /* "numpy.pxd":798
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ */
+  __pyx_k_tuple_9 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_9)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_9);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_8));
+  PyTuple_SET_ITEM(__pyx_k_tuple_9, 0, ((PyObject *)__pyx_kp_u_8));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_8));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_9));
+
+  /* "numpy.pxd":802
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *             # One could encode it in the format string and have Cython
+ *             # complain instead, BUT: < and > in format strings also imply
+ */
+  __pyx_k_tuple_10 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_10)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_10);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_5));
+  PyTuple_SET_ITEM(__pyx_k_tuple_10, 0, ((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_10));
+
+  /* "numpy.pxd":822
+ *             t = child.type_num
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ */
+  __pyx_k_tuple_12 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_12)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_12);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_11));
+  PyTuple_SET_ITEM(__pyx_k_tuple_12, 0, ((PyObject *)__pyx_kp_u_11));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_11));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_12));
+  __Pyx_RefNannyFinishContext();
+  return 0;
+  __pyx_L1_error:;
+  __Pyx_RefNannyFinishContext();
+  return -1;
+}
+
+static int __Pyx_InitGlobals(void) {
+  if (__Pyx_InitStrings(__pyx_string_tab) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  __pyx_int_15 = PyInt_FromLong(15); if (unlikely(!__pyx_int_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+#if PY_MAJOR_VERSION < 3
+PyMODINIT_FUNC initresidual(void); /*proto*/
+PyMODINIT_FUNC initresidual(void)
+#else
+PyMODINIT_FUNC PyInit_residual(void); /*proto*/
+PyMODINIT_FUNC PyInit_residual(void)
+#endif
+{
+  PyObject *__pyx_t_1 = NULL;
+  __Pyx_RefNannyDeclarations
+  #if CYTHON_REFNANNY
+  __Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
+  if (!__Pyx_RefNanny) {
+      PyErr_Clear();
+      __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny");
+      if (!__Pyx_RefNanny)
+          Py_FatalError("failed to import 'refnanny' module");
+  }
+  #endif
+  __Pyx_RefNannySetupContext("PyMODINIT_FUNC PyInit_residual(void)", 0);
+  if ( __Pyx_check_binary_version() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #ifdef __Pyx_CyFunction_USED
+  if (__Pyx_CyFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  if (__pyx_FusedFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  #ifdef __Pyx_Generator_USED
+  if (__pyx_Generator_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  /*--- Library function declarations ---*/
+  /*--- Threads initialization code ---*/
+  #if defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS
+  #ifdef WITH_THREAD /* Python build with threading support? */
+  PyEval_InitThreads();
+  #endif
+  #endif
+  /*--- Module creation code ---*/
+  #if PY_MAJOR_VERSION < 3
+  __pyx_m = Py_InitModule4(__Pyx_NAMESTR("residual"), __pyx_methods, 0, 0, PYTHON_API_VERSION);
+  #else
+  __pyx_m = PyModule_Create(&__pyx_moduledef);
+  #endif
+  if (!__pyx_m) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  #if PY_MAJOR_VERSION < 3
+  Py_INCREF(__pyx_m);
+  #endif
+  __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME));
+  if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  if (__Pyx_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  /*--- Initialize various global constants etc. ---*/
+  if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__pyx_module_is_main_simpl__residual) {
+    if (__Pyx_SetAttrString(__pyx_m, "__name__", __pyx_n_s____main__) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  }
+  /*--- Builtin init code ---*/
+  if (unlikely(__Pyx_InitCachedBuiltins() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Constants init code ---*/
+  if (unlikely(__Pyx_InitCachedConstants() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Global init code ---*/
+  /*--- Variable export code ---*/
+  /*--- Function export code ---*/
+  /*--- Type init code ---*/
+  if (PyType_Ready(&__pyx_type_5simpl_8residual_Residual) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 12; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Residual", (PyObject *)&__pyx_type_5simpl_8residual_Residual) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 12; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_8residual_Residual = &__pyx_type_5simpl_8residual_Residual;
+  /*--- Type import code ---*/
+  __pyx_ptype_5numpy_dtype = __Pyx_ImportType("numpy", "dtype", sizeof(PyArray_Descr), 0); if (unlikely(!__pyx_ptype_5numpy_dtype)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 154; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_flatiter = __Pyx_ImportType("numpy", "flatiter", sizeof(PyArrayIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_flatiter)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_broadcast = __Pyx_ImportType("numpy", "broadcast", sizeof(PyArrayMultiIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_broadcast)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_ndarray = __Pyx_ImportType("numpy", "ndarray", sizeof(PyArrayObject), 0); if (unlikely(!__pyx_ptype_5numpy_ndarray)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_ufunc = __Pyx_ImportType("numpy", "ufunc", sizeof(PyUFuncObject), 0); if (unlikely(!__pyx_ptype_5numpy_ufunc)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_4base_Peak = __Pyx_ImportType("simpl.base", "Peak", sizeof(struct __pyx_obj_5simpl_4base_Peak), 1); if (unlikely(!__pyx_ptype_5simpl_4base_Peak)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_5simpl_4base_Peak = (struct __pyx_vtabstruct_5simpl_4base_Peak*)__Pyx_GetVtable(__pyx_ptype_5simpl_4base_Peak->tp_dict); if (unlikely(!__pyx_vtabptr_5simpl_4base_Peak)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_4base_Frame = __Pyx_ImportType("simpl.base", "Frame", sizeof(struct __pyx_obj_5simpl_4base_Frame), 1); if (unlikely(!__pyx_ptype_5simpl_4base_Frame)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_5simpl_4base_Frame = (struct __pyx_vtabstruct_5simpl_4base_Frame*)__Pyx_GetVtable(__pyx_ptype_5simpl_4base_Frame->tp_dict); if (unlikely(!__pyx_vtabptr_5simpl_4base_Frame)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Variable import code ---*/
+  /*--- Function import code ---*/
+  /*--- Execution code ---*/
+
+  /* "simpl/residual.pyx":1
+ * import numpy as np             # <<<<<<<<<<<<<<
+ * cimport numpy as np
+ * np.import_array()
+ */
+  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__numpy), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__np, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/residual.pyx":3
+ * import numpy as np
+ * cimport numpy as np
+ * np.import_array()             # <<<<<<<<<<<<<<
+ * from libcpp.vector cimport vector
+ * 
+ */
+  import_array();
+
+  /* "simpl/residual.pyx":1
+ * import numpy as np             # <<<<<<<<<<<<<<
+ * cimport numpy as np
+ * np.import_array()
+ */
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_1)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+
+  /* "numpy.pxd":974
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  if (__pyx_m) {
+    __Pyx_AddTraceback("init simpl.residual", __pyx_clineno, __pyx_lineno, __pyx_filename);
+    Py_DECREF(__pyx_m); __pyx_m = 0;
+  } else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_ImportError, "init simpl.residual");
+  }
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  #if PY_MAJOR_VERSION < 3
+  return;
+  #else
+  return __pyx_m;
+  #endif
+}
+
+/* Runtime support code */
+#if CYTHON_REFNANNY
+static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
+    PyObject *m = NULL, *p = NULL;
+    void *r = NULL;
+    m = PyImport_ImportModule((char *)modname);
+    if (!m) goto end;
+    p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
+    if (!p) goto end;
+    r = PyLong_AsVoidPtr(p);
+end:
+    Py_XDECREF(p);
+    Py_XDECREF(m);
+    return (__Pyx_RefNannyAPIStruct *)r;
+}
+#endif /* CYTHON_REFNANNY */
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name) {
+    PyObject *result;
+    result = PyObject_GetAttr(dict, name);
+    if (!result) {
+        if (dict != __pyx_b) {
+            PyErr_Clear();
+            result = PyObject_GetAttr(__pyx_b, name);
+        }
+        if (!result) {
+            PyErr_SetObject(PyExc_NameError, name);
+        }
+    }
+    return result;
+}
+
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
+    PyObject *kwdict,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+    while (PyDict_Next(kwdict, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
+        #else
+        if (unlikely(!PyUnicode_Check(key)))
+        #endif
+            goto invalid_keyword_type;
+    }
+    if ((!kw_allowed) && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%s() keywords must be strings", function_name);
+    return 0;
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%s() got an unexpected keyword argument '%s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
+static void __Pyx_RaiseDoubleKeywordsError(
+    const char* func_name,
+    PyObject* kw_name)
+{
+    PyErr_Format(PyExc_TypeError,
+        #if PY_MAJOR_VERSION >= 3
+        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
+        #else
+        "%s() got multiple values for keyword argument '%s'", func_name,
+        PyString_AS_STRING(kw_name));
+        #endif
+}
+
+static int __Pyx_ParseOptionalKeywords(
+    PyObject *kwds,
+    PyObject **argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name)
+{
+    PyObject *key = 0, *value = 0;
+    Py_ssize_t pos = 0;
+    PyObject*** name;
+    PyObject*** first_kw_arg = argnames + num_pos_args;
+    while (PyDict_Next(kwds, &pos, &key, &value)) {
+        name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (*name) {
+            values[name-argnames] = value;
+        } else {
+            #if PY_MAJOR_VERSION < 3
+            if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key))) {
+            #else
+            if (unlikely(!PyUnicode_Check(key))) {
+            #endif
+                goto invalid_keyword_type;
+            } else {
+                for (name = first_kw_arg; *name; name++) {
+                    #if PY_MAJOR_VERSION >= 3
+                    if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
+                        PyUnicode_Compare(**name, key) == 0) break;
+                    #else
+                    if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
+                        _PyString_Eq(**name, key)) break;
+                    #endif
+                }
+                if (*name) {
+                    values[name-argnames] = value;
+                } else {
+                    for (name=argnames; name != first_kw_arg; name++) {
+                        if (**name == key) goto arg_passed_twice;
+                        #if PY_MAJOR_VERSION >= 3
+                        if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
+                            PyUnicode_Compare(**name, key) == 0) goto arg_passed_twice;
+                        #else
+                        if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
+                            _PyString_Eq(**name, key)) goto arg_passed_twice;
+                        #endif
+                    }
+                    if (kwds2) {
+                        if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
+                    } else {
+                        goto invalid_keyword;
+                    }
+                }
+            }
+        }
+    }
+    return 0;
+arg_passed_twice:
+    __Pyx_RaiseDoubleKeywordsError(function_name, **name);
+    goto bad;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%s() keywords must be strings", function_name);
+    goto bad;
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%s() got an unexpected keyword argument '%s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+bad:
+    return -1;
+}
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact)
+{
+    if (!type) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (none_allowed && obj == Py_None) return 1;
+    else if (exact) {
+        if (Py_TYPE(obj) == type) return 1;
+    }
+    else {
+        if (PyObject_TypeCheck(obj, type)) return 1;
+    }
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%s' has incorrect type (expected %s, got %s)",
+        name, type->tp_name, Py_TYPE(obj)->tp_name);
+    return 0;
+}
+
+static CYTHON_INLINE int __Pyx_IsLittleEndian(void) {
+  unsigned int n = 1;
+  return *(unsigned char*)(&n) != 0;
+}
+static void __Pyx_BufFmt_Init(__Pyx_BufFmt_Context* ctx,
+                              __Pyx_BufFmt_StackElem* stack,
+                              __Pyx_TypeInfo* type) {
+  stack[0].field = &ctx->root;
+  stack[0].parent_offset = 0;
+  ctx->root.type = type;
+  ctx->root.name = "buffer dtype";
+  ctx->root.offset = 0;
+  ctx->head = stack;
+  ctx->head->field = &ctx->root;
+  ctx->fmt_offset = 0;
+  ctx->head->parent_offset = 0;
+  ctx->new_packmode = '@';
+  ctx->enc_packmode = '@';
+  ctx->new_count = 1;
+  ctx->enc_count = 0;
+  ctx->enc_type = 0;
+  ctx->is_complex = 0;
+  ctx->is_valid_array = 0;
+  ctx->struct_alignment = 0;
+  while (type->typegroup == 'S') {
+    ++ctx->head;
+    ctx->head->field = type->fields;
+    ctx->head->parent_offset = 0;
+    type = type->fields->type;
+  }
+}
+static int __Pyx_BufFmt_ParseNumber(const char** ts) {
+    int count;
+    const char* t = *ts;
+    if (*t < '0' || *t > '9') {
+      return -1;
+    } else {
+        count = *t++ - '0';
+        while (*t >= '0' && *t < '9') {
+            count *= 10;
+            count += *t++ - '0';
+        }
+    }
+    *ts = t;
+    return count;
+}
+static int __Pyx_BufFmt_ExpectNumber(const char **ts) {
+    int number = __Pyx_BufFmt_ParseNumber(ts);
+    if (number == -1) /* First char was not a digit */
+        PyErr_Format(PyExc_ValueError,\
+                     "Does not understand character buffer dtype format string ('%c')", **ts);
+    return number;
+}
+static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) {
+  PyErr_Format(PyExc_ValueError,
+               "Unexpected format string character: '%c'", ch);
+}
+static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
+  switch (ch) {
+    case 'b': return "'char'";
+    case 'B': return "'unsigned char'";
+    case 'h': return "'short'";
+    case 'H': return "'unsigned short'";
+    case 'i': return "'int'";
+    case 'I': return "'unsigned int'";
+    case 'l': return "'long'";
+    case 'L': return "'unsigned long'";
+    case 'q': return "'long long'";
+    case 'Q': return "'unsigned long long'";
+    case 'f': return (is_complex ? "'complex float'" : "'float'");
+    case 'd': return (is_complex ? "'complex double'" : "'double'");
+    case 'g': return (is_complex ? "'complex long double'" : "'long double'");
+    case 'T': return "a struct";
+    case 'O': return "Python object";
+    case 'P': return "a pointer";
+    case 's': case 'p': return "a string";
+    case 0: return "end";
+    default: return "unparseable format string";
+  }
+}
+static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return 2;
+    case 'i': case 'I': case 'l': case 'L': return 4;
+    case 'q': case 'Q': return 8;
+    case 'f': return (is_complex ? 8 : 4);
+    case 'd': return (is_complex ? 16 : 8);
+    case 'g': {
+      PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g')..");
+      return 0;
+    }
+    case 'O': case 'P': return sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) {
+  switch (ch) {
+    case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(short);
+    case 'i': case 'I': return sizeof(int);
+    case 'l': case 'L': return sizeof(long);
+    #ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(PY_LONG_LONG);
+    #endif
+    case 'f': return sizeof(float) * (is_complex ? 2 : 1);
+    case 'd': return sizeof(double) * (is_complex ? 2 : 1);
+    case 'g': return sizeof(long double) * (is_complex ? 2 : 1);
+    case 'O': case 'P': return sizeof(void*);
+    default: {
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+  }
+}
+typedef struct { char c; short x; } __Pyx_st_short;
+typedef struct { char c; int x; } __Pyx_st_int;
+typedef struct { char c; long x; } __Pyx_st_long;
+typedef struct { char c; float x; } __Pyx_st_float;
+typedef struct { char c; double x; } __Pyx_st_double;
+typedef struct { char c; long double x; } __Pyx_st_longdouble;
+typedef struct { char c; void *x; } __Pyx_st_void_p;
+#ifdef HAVE_LONG_LONG
+typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
+#endif
+static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
+    case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int);
+    case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long);
+#ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG);
+#endif
+    case 'f': return sizeof(__Pyx_st_float) - sizeof(float);
+    case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
+    case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double);
+    case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+/* These are for computing the padding at the end of the struct to align
+   on the first member of the struct. This will probably the same as above,
+   but we don't have any guarantees.
+ */
+typedef struct { short x; char c; } __Pyx_pad_short;
+typedef struct { int x; char c; } __Pyx_pad_int;
+typedef struct { long x; char c; } __Pyx_pad_long;
+typedef struct { float x; char c; } __Pyx_pad_float;
+typedef struct { double x; char c; } __Pyx_pad_double;
+typedef struct { long double x; char c; } __Pyx_pad_longdouble;
+typedef struct { void *x; char c; } __Pyx_pad_void_p;
+#ifdef HAVE_LONG_LONG
+typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
+#endif
+static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
+    case 'i': case 'I': return sizeof(__Pyx_pad_int) - sizeof(int);
+    case 'l': case 'L': return sizeof(__Pyx_pad_long) - sizeof(long);
+#ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(__Pyx_pad_longlong) - sizeof(PY_LONG_LONG);
+#endif
+    case 'f': return sizeof(__Pyx_pad_float) - sizeof(float);
+    case 'd': return sizeof(__Pyx_pad_double) - sizeof(double);
+    case 'g': return sizeof(__Pyx_pad_longdouble) - sizeof(long double);
+    case 'P': case 'O': return sizeof(__Pyx_pad_void_p) - sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
+  switch (ch) {
+    case 'c': case 'b': case 'h': case 'i':
+    case 'l': case 'q': case 's': case 'p':
+        return 'I';
+    case 'B': case 'H': case 'I': case 'L': case 'Q':
+        return 'U';
+    case 'f': case 'd': case 'g':
+        return (is_complex ? 'C' : 'R');
+    case 'O':
+        return 'O';
+    case 'P':
+        return 'P';
+    default: {
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+  }
+}
+static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) {
+  if (ctx->head == NULL || ctx->head->field == &ctx->root) {
+    const char* expected;
+    const char* quote;
+    if (ctx->head == NULL) {
+      expected = "end";
+      quote = "";
+    } else {
+      expected = ctx->head->field->type->name;
+      quote = "'";
+    }
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer dtype mismatch, expected %s%s%s but got %s",
+                 quote, expected, quote,
+                 __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex));
+  } else {
+    __Pyx_StructField* field = ctx->head->field;
+    __Pyx_StructField* parent = (ctx->head - 1)->field;
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'",
+                 field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex),
+                 parent->type->name, field->name);
+  }
+}
+static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
+  char group;
+  size_t size, offset, arraysize = 1;
+  if (ctx->enc_type == 0) return 0;
+  if (ctx->head->field->type->arraysize[0]) {
+    int i, ndim = 0;
+    if (ctx->enc_type == 's' || ctx->enc_type == 'p') {
+        ctx->is_valid_array = ctx->head->field->type->ndim == 1;
+        ndim = 1;
+        if (ctx->enc_count != ctx->head->field->type->arraysize[0]) {
+            PyErr_Format(PyExc_ValueError,
+                         "Expected a dimension of size %zu, got %zu",
+                         ctx->head->field->type->arraysize[0], ctx->enc_count);
+            return -1;
+        }
+    }
+    if (!ctx->is_valid_array) {
+      PyErr_Format(PyExc_ValueError, "Expected %d dimensions, got %d",
+                   ctx->head->field->type->ndim, ndim);
+      return -1;
+    }
+    for (i = 0; i < ctx->head->field->type->ndim; i++) {
+      arraysize *= ctx->head->field->type->arraysize[i];
+    }
+    ctx->is_valid_array = 0;
+    ctx->enc_count = 1;
+  }
+  group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex);
+  do {
+    __Pyx_StructField* field = ctx->head->field;
+    __Pyx_TypeInfo* type = field->type;
+    if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') {
+      size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex);
+    } else {
+      size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex);
+    }
+    if (ctx->enc_packmode == '@') {
+      size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex);
+      size_t align_mod_offset;
+      if (align_at == 0) return -1;
+      align_mod_offset = ctx->fmt_offset % align_at;
+      if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset;
+      if (ctx->struct_alignment == 0)
+          ctx->struct_alignment = __Pyx_BufFmt_TypeCharToPadding(ctx->enc_type,
+                                                                 ctx->is_complex);
+    }
+    if (type->size != size || type->typegroup != group) {
+      if (type->typegroup == 'C' && type->fields != NULL) {
+        size_t parent_offset = ctx->head->parent_offset + field->offset;
+        ++ctx->head;
+        ctx->head->field = type->fields;
+        ctx->head->parent_offset = parent_offset;
+        continue;
+      }
+      __Pyx_BufFmt_RaiseExpected(ctx);
+      return -1;
+    }
+    offset = ctx->head->parent_offset + field->offset;
+    if (ctx->fmt_offset != offset) {
+      PyErr_Format(PyExc_ValueError,
+                   "Buffer dtype mismatch; next field is at offset %"PY_FORMAT_SIZE_T"d but %"PY_FORMAT_SIZE_T"d expected",
+                   (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
+      return -1;
+    }
+    ctx->fmt_offset += size;
+    if (arraysize)
+      ctx->fmt_offset += (arraysize - 1) * size;
+    --ctx->enc_count; /* Consume from buffer string */
+    while (1) {
+      if (field == &ctx->root) {
+        ctx->head = NULL;
+        if (ctx->enc_count != 0) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return -1;
+        }
+        break; /* breaks both loops as ctx->enc_count == 0 */
+      }
+      ctx->head->field = ++field;
+      if (field->type == NULL) {
+        --ctx->head;
+        field = ctx->head->field;
+        continue;
+      } else if (field->type->typegroup == 'S') {
+        size_t parent_offset = ctx->head->parent_offset + field->offset;
+        if (field->type->fields->type == NULL) continue; /* empty struct */
+        field = field->type->fields;
+        ++ctx->head;
+        ctx->head->field = field;
+        ctx->head->parent_offset = parent_offset;
+        break;
+      } else {
+        break;
+      }
+    }
+  } while (ctx->enc_count);
+  ctx->enc_type = 0;
+  ctx->is_complex = 0;
+  return 0;
+}
+static CYTHON_INLINE PyObject *
+__pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
+{
+    const char *ts = *tsp;
+    int i = 0, number;
+    int ndim = ctx->head->field->type->ndim;
+;
+    ++ts;
+    if (ctx->new_count != 1) {
+        PyErr_SetString(PyExc_ValueError,
+                        "Cannot handle repeated arrays in format string");
+        return NULL;
+    }
+    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+    while (*ts && *ts != ')') {
+        if (isspace(*ts))
+            continue;
+        number = __Pyx_BufFmt_ExpectNumber(&ts);
+        if (number == -1) return NULL;
+        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
+            return PyErr_Format(PyExc_ValueError,
+                        "Expected a dimension of size %zu, got %d",
+                        ctx->head->field->type->arraysize[i], number);
+        if (*ts != ',' && *ts != ')')
+            return PyErr_Format(PyExc_ValueError,
+                                "Expected a comma in format string, got '%c'", *ts);
+        if (*ts == ',') ts++;
+        i++;
+    }
+    if (i != ndim)
+        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
+                            ctx->head->field->type->ndim, i);
+    if (!*ts) {
+        PyErr_SetString(PyExc_ValueError,
+                        "Unexpected end of format string, expected ')'");
+        return NULL;
+    }
+    ctx->is_valid_array = 1;
+    ctx->new_count = 1;
+    *tsp = ++ts;
+    return Py_None;
+}
+static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
+  int got_Z = 0;
+  while (1) {
+    switch(*ts) {
+      case 0:
+        if (ctx->enc_type != 0 && ctx->head == NULL) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return NULL;
+        }
+        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+        if (ctx->head != NULL) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return NULL;
+        }
+                return ts;
+      case ' ':
+      case 10:
+      case 13:
+        ++ts;
+        break;
+      case '<':
+        if (!__Pyx_IsLittleEndian()) {
+          PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler");
+          return NULL;
+        }
+        ctx->new_packmode = '=';
+        ++ts;
+        break;
+      case '>':
+      case '!':
+        if (__Pyx_IsLittleEndian()) {
+          PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler");
+          return NULL;
+        }
+        ctx->new_packmode = '=';
+        ++ts;
+        break;
+      case '=':
+      case '@':
+      case '^':
+        ctx->new_packmode = *ts++;
+        break;
+      case 'T': /* substruct */
+        {
+          const char* ts_after_sub;
+          size_t i, struct_count = ctx->new_count;
+          size_t struct_alignment = ctx->struct_alignment;
+          ctx->new_count = 1;
+          ++ts;
+          if (*ts != '{') {
+            PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
+            return NULL;
+          }
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_type = 0; /* Erase processed last struct element */
+          ctx->enc_count = 0;
+          ctx->struct_alignment = 0;
+          ++ts;
+          ts_after_sub = ts;
+          for (i = 0; i != struct_count; ++i) {
+            ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts);
+            if (!ts_after_sub) return NULL;
+          }
+          ts = ts_after_sub;
+          if (struct_alignment) ctx->struct_alignment = struct_alignment;
+        }
+        break;
+      case '}': /* end of substruct; either repeat or move on */
+        {
+          size_t alignment = ctx->struct_alignment;
+          ++ts;
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_type = 0; /* Erase processed last struct element */
+          if (alignment && ctx->fmt_offset % alignment) {
+            ctx->fmt_offset += alignment - (ctx->fmt_offset % alignment);
+          }
+        }
+        return ts;
+      case 'x':
+        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+        ctx->fmt_offset += ctx->new_count;
+        ctx->new_count = 1;
+        ctx->enc_count = 0;
+        ctx->enc_type = 0;
+        ctx->enc_packmode = ctx->new_packmode;
+        ++ts;
+        break;
+      case 'Z':
+        got_Z = 1;
+        ++ts;
+        if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
+          __Pyx_BufFmt_RaiseUnexpectedChar('Z');
+          return NULL;
+        }        /* fall through */
+      case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
+      case 'l': case 'L': case 'q': case 'Q':
+      case 'f': case 'd': case 'g':
+      case 'O': case 's': case 'p':
+        if (ctx->enc_type == *ts && got_Z == ctx->is_complex &&
+            ctx->enc_packmode == ctx->new_packmode) {
+          ctx->enc_count += ctx->new_count;
+        } else {
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_count = ctx->new_count;
+          ctx->enc_packmode = ctx->new_packmode;
+          ctx->enc_type = *ts;
+          ctx->is_complex = got_Z;
+        }
+        ++ts;
+        ctx->new_count = 1;
+        got_Z = 0;
+        break;
+      case ':':
+        ++ts;
+        while(*ts != ':') ++ts;
+        ++ts;
+        break;
+      case '(':
+        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
+        break;
+      default:
+        {
+          int number = __Pyx_BufFmt_ExpectNumber(&ts);
+          if (number == -1) return NULL;
+          ctx->new_count = (size_t)number;
+        }
+    }
+  }
+}
+static CYTHON_INLINE void __Pyx_ZeroBuffer(Py_buffer* buf) {
+  buf->buf = NULL;
+  buf->obj = NULL;
+  buf->strides = __Pyx_zeros;
+  buf->shape = __Pyx_zeros;
+  buf->suboffsets = __Pyx_minusones;
+}
+static CYTHON_INLINE int __Pyx_GetBufferAndValidate(
+        Py_buffer* buf, PyObject* obj,  __Pyx_TypeInfo* dtype, int flags,
+        int nd, int cast, __Pyx_BufFmt_StackElem* stack)
+{
+  if (obj == Py_None || obj == NULL) {
+    __Pyx_ZeroBuffer(buf);
+    return 0;
+  }
+  buf->buf = NULL;
+  if (__Pyx_GetBuffer(obj, buf, flags) == -1) goto fail;
+  if (buf->ndim != nd) {
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer has wrong number of dimensions (expected %d, got %d)",
+                 nd, buf->ndim);
+    goto fail;
+  }
+  if (!cast) {
+    __Pyx_BufFmt_Context ctx;
+    __Pyx_BufFmt_Init(&ctx, stack, dtype);
+    if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail;
+  }
+  if ((unsigned)buf->itemsize != dtype->size) {
+    PyErr_Format(PyExc_ValueError,
+      "Item size of buffer (%"PY_FORMAT_SIZE_T"d byte%s) does not match size of '%s' (%"PY_FORMAT_SIZE_T"d byte%s)",
+      buf->itemsize, (buf->itemsize > 1) ? "s" : "",
+      dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : "");
+    goto fail;
+  }
+  if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones;
+  return 0;
+fail:;
+  __Pyx_ZeroBuffer(buf);
+  return -1;
+}
+static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
+  if (info->buf == NULL) return;
+  if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL;
+  __Pyx_ReleaseBuffer(info);
+}
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    if (unlikely(!type)) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (likely(PyObject_TypeCheck(obj, type)))
+        return 1;
+    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
+                 Py_TYPE(obj)->tp_name, type->tp_name);
+    return 0;
+}
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    tmp_type = tstate->curexc_type;
+    tmp_value = tstate->curexc_value;
+    tmp_tb = tstate->curexc_traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_Restore(type, value, tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(type, value, tb);
+#endif
+}
+
+#if PY_MAJOR_VERSION < 3
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
+                        CYTHON_UNUSED PyObject *cause) {
+    Py_XINCREF(type);
+    Py_XINCREF(value);
+    Py_XINCREF(tb);
+    if (tb == Py_None) {
+        Py_DECREF(tb);
+        tb = 0;
+    }
+    else if (tb != NULL && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto raise_error;
+    }
+    if (value == NULL) {
+        value = Py_None;
+        Py_INCREF(value);
+    }
+    #if PY_VERSION_HEX < 0x02050000
+    if (!PyClass_Check(type))
+    #else
+    if (!PyType_Check(type))
+    #endif
+    {
+        if (value != Py_None) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto raise_error;
+        }
+        Py_DECREF(value);
+        value = type;
+        #if PY_VERSION_HEX < 0x02050000
+            if (PyInstance_Check(type)) {
+                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
+                Py_INCREF(type);
+            }
+            else {
+                type = 0;
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception must be an old-style class or instance");
+                goto raise_error;
+            }
+        #else
+            type = (PyObject*) Py_TYPE(type);
+            Py_INCREF(type);
+            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception class must be a subclass of BaseException");
+                goto raise_error;
+            }
+        #endif
+    }
+    __Pyx_ErrRestore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
+}
+#else /* Python 3+ */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (!PyExceptionClass_Check(type)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        }
+        else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        }
+        else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        if (!value) {
+            value = PyObject_CallObject(type, NULL);
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+        PyThreadState *tstate = PyThreadState_GET();
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+    }
+bad:
+    return;
+}
+#endif
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    PyErr_Format(PyExc_ValueError,
+                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
+                 index, (index == 1) ? "" : "s");
+}
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+}
+
+static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
+    if (t == Py_None) {
+      __Pyx_RaiseNoneNotIterableError();
+    } else if (PyTuple_GET_SIZE(t) < index) {
+      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
+    } else {
+      __Pyx_RaiseTooManyValuesError(index);
+    }
+}
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
+    PyObject *py_import = 0;
+    PyObject *empty_list = 0;
+    PyObject *module = 0;
+    PyObject *global_dict = 0;
+    PyObject *empty_dict = 0;
+    PyObject *list;
+    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
+    if (!py_import)
+        goto bad;
+    if (from_list)
+        list = from_list;
+    else {
+        empty_list = PyList_New(0);
+        if (!empty_list)
+            goto bad;
+        list = empty_list;
+    }
+    global_dict = PyModule_GetDict(__pyx_m);
+    if (!global_dict)
+        goto bad;
+    empty_dict = PyDict_New();
+    if (!empty_dict)
+        goto bad;
+    #if PY_VERSION_HEX >= 0x02050000
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.')) {
+                /* try package relative import first */
+                PyObject *py_level = PyInt_FromLong(1);
+                if (!py_level)
+                    goto bad;
+                module = PyObject_CallFunctionObjArgs(py_import,
+                    name, global_dict, empty_dict, list, py_level, NULL);
+                Py_DECREF(py_level);
+                if (!module) {
+                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0; /* try absolute import on failure */
+        }
+        #endif
+        if (!module) {
+            PyObject *py_level = PyInt_FromLong(level);
+            if (!py_level)
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, global_dict, empty_dict, list, py_level, NULL);
+            Py_DECREF(py_level);
+        }
+    }
+    #else
+    if (level>0) {
+        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
+        goto bad;
+    }
+    module = PyObject_CallFunctionObjArgs(py_import,
+        name, global_dict, empty_dict, list, NULL);
+    #endif
+bad:
+    Py_XDECREF(empty_list);
+    Py_XDECREF(py_import);
+    Py_XDECREF(empty_dict);
+    return module;
+}
+
+static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name) {
+#if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_ImportError, "cannot import name %.230s",
+                 PyString_AsString(name));
+#else
+    PyErr_Format(PyExc_ImportError, "cannot import name %S", name);
+#endif
+}
+
+#if PY_MAJOR_VERSION < 3
+static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
+    PyObject *getbuffer_cobj;
+
+  #if PY_VERSION_HEX >= 0x02060000
+    if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
+  #endif
+
+        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pw_5numpy_7ndarray_1__getbuffer__(obj, view, flags);
+
+  #if PY_VERSION_HEX < 0x02060000
+    if (obj->ob_type->tp_dict &&
+        (getbuffer_cobj = PyMapping_GetItemString(obj->ob_type->tp_dict,
+                                             "__pyx_getbuffer"))) {
+        getbufferproc func;
+
+      #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION == 0)
+        func = (getbufferproc) PyCapsule_GetPointer(getbuffer_cobj, "getbuffer(obj, view, flags)");
+      #else
+        func = (getbufferproc) PyCObject_AsVoidPtr(getbuffer_cobj);
+      #endif
+        Py_DECREF(getbuffer_cobj);
+        if (!func)
+            goto fail;
+
+        return func(obj, view, flags);
+    } else {
+        PyErr_Clear();
+    }
+  #endif
+
+    PyErr_Format(PyExc_TypeError, "'%100s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
+
+#if PY_VERSION_HEX < 0x02060000
+fail:
+#endif
+
+    return -1;
+}
+
+static void __Pyx_ReleaseBuffer(Py_buffer *view) {
+    PyObject *obj = view->obj;
+    PyObject *releasebuffer_cobj;
+
+    if (!obj) return;
+
+  #if PY_VERSION_HEX >= 0x02060000
+    if (PyObject_CheckBuffer(obj)) {
+        PyBuffer_Release(view);
+        return;
+    }
+  #endif
+
+        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) { __pyx_pw_5numpy_7ndarray_3__releasebuffer__(obj, view); return; }
+
+  #if PY_VERSION_HEX < 0x02060000
+    if (obj->ob_type->tp_dict &&
+        (releasebuffer_cobj = PyMapping_GetItemString(obj->ob_type->tp_dict,
+                                                      "__pyx_releasebuffer"))) {
+        releasebufferproc func;
+
+      #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION == 0)
+        func = (releasebufferproc) PyCapsule_GetPointer(releasebuffer_cobj, "releasebuffer(obj, view)");
+      #else
+        func = (releasebufferproc) PyCObject_AsVoidPtr(releasebuffer_cobj);
+      #endif
+
+        Py_DECREF(releasebuffer_cobj);
+
+        if (!func)
+            goto fail;
+
+        func(obj, view);
+        return;
+    } else {
+        PyErr_Clear();
+    }
+  #endif
+
+    goto nofail;
+
+#if PY_VERSION_HEX < 0x02060000
+fail:
+#endif
+    PyErr_WriteUnraisable(obj);
+
+nofail:
+    Py_DECREF(obj);
+    view->obj = NULL;
+}
+
+#endif /*  PY_MAJOR_VERSION < 3 */
+
+    #if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return ::std::complex< float >(x, y);
+    }
+  #else
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return x + y*(__pyx_t_float_complex)_Complex_I;
+    }
+  #endif
+#else
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      __pyx_t_float_complex z;
+      z.real = x;
+      z.imag = y;
+      return z;
+    }
+#endif
+
+#if CYTHON_CCOMPLEX
+#else
+    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+       return (a.real == b.real) && (a.imag == b.imag);
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real + b.real;
+        z.imag = a.imag + b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real - b.real;
+        z.imag = a.imag - b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real * b.real - a.imag * b.imag;
+        z.imag = a.real * b.imag + a.imag * b.real;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        float denom = b.real * b.real + b.imag * b.imag;
+        z.real = (a.real * b.real + a.imag * b.imag) / denom;
+        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) {
+        __pyx_t_float_complex z;
+        z.real = -a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) {
+       return (a.real == 0) && (a.imag == 0);
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) {
+        __pyx_t_float_complex z;
+        z.real =  a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    #if 1
+        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) {
+          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
+            return sqrtf(z.real*z.real + z.imag*z.imag);
+          #else
+            return hypotf(z.real, z.imag);
+          #endif
+        }
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+            __pyx_t_float_complex z;
+            float r, lnr, theta, z_r, z_theta;
+            if (b.imag == 0 && b.real == (int)b.real) {
+                if (b.real < 0) {
+                    float denom = a.real * a.real + a.imag * a.imag;
+                    a.real = a.real / denom;
+                    a.imag = -a.imag / denom;
+                    b.real = -b.real;
+                }
+                switch ((int)b.real) {
+                    case 0:
+                        z.real = 1;
+                        z.imag = 0;
+                        return z;
+                    case 1:
+                        return a;
+                    case 2:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(a, a);
+                    case 3:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(z, a);
+                    case 4:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(z, z);
+                }
+            }
+            if (a.imag == 0) {
+                if (a.real == 0) {
+                    return a;
+                }
+                r = a.real;
+                theta = 0;
+            } else {
+                r = __Pyx_c_absf(a);
+                theta = atan2f(a.imag, a.real);
+            }
+            lnr = logf(r);
+            z_r = expf(lnr * b.real - theta * b.imag);
+            z_theta = theta * b.real + lnr * b.imag;
+            z.real = z_r * cosf(z_theta);
+            z.imag = z_r * sinf(z_theta);
+            return z;
+        }
+    #endif
+#endif
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      return ::std::complex< double >(x, y);
+    }
+  #else
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      return x + y*(__pyx_t_double_complex)_Complex_I;
+    }
+  #endif
+#else
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      __pyx_t_double_complex z;
+      z.real = x;
+      z.imag = y;
+      return z;
+    }
+#endif
+
+#if CYTHON_CCOMPLEX
+#else
+    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+       return (a.real == b.real) && (a.imag == b.imag);
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real + b.real;
+        z.imag = a.imag + b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real - b.real;
+        z.imag = a.imag - b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real * b.real - a.imag * b.imag;
+        z.imag = a.real * b.imag + a.imag * b.real;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        double denom = b.real * b.real + b.imag * b.imag;
+        z.real = (a.real * b.real + a.imag * b.imag) / denom;
+        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) {
+        __pyx_t_double_complex z;
+        z.real = -a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) {
+       return (a.real == 0) && (a.imag == 0);
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) {
+        __pyx_t_double_complex z;
+        z.real =  a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    #if 1
+        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) {
+          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
+            return sqrt(z.real*z.real + z.imag*z.imag);
+          #else
+            return hypot(z.real, z.imag);
+          #endif
+        }
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+            __pyx_t_double_complex z;
+            double r, lnr, theta, z_r, z_theta;
+            if (b.imag == 0 && b.real == (int)b.real) {
+                if (b.real < 0) {
+                    double denom = a.real * a.real + a.imag * a.imag;
+                    a.real = a.real / denom;
+                    a.imag = -a.imag / denom;
+                    b.real = -b.real;
+                }
+                switch ((int)b.real) {
+                    case 0:
+                        z.real = 1;
+                        z.imag = 0;
+                        return z;
+                    case 1:
+                        return a;
+                    case 2:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(a, a);
+                    case 3:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(z, a);
+                    case 4:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(z, z);
+                }
+            }
+            if (a.imag == 0) {
+                if (a.real == 0) {
+                    return a;
+                }
+                r = a.real;
+                theta = 0;
+            } else {
+                r = __Pyx_c_abs(a);
+                theta = atan2(a.imag, a.real);
+            }
+            lnr = log(r);
+            z_r = exp(lnr * b.real - theta * b.imag);
+            z_theta = theta * b.real + lnr * b.imag;
+            z.real = z_r * cos(z_theta);
+            z.imag = z_r * sin(z_theta);
+            return z;
+        }
+    #endif
+#endif
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
+    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned char" :
+                    "value too large to convert to unsigned char");
+            }
+            return (unsigned char)-1;
+        }
+        return (unsigned char)val;
+    }
+    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
+    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned short" :
+                    "value too large to convert to unsigned short");
+            }
+            return (unsigned short)-1;
+        }
+        return (unsigned short)val;
+    }
+    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
+    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned int" :
+                    "value too large to convert to unsigned int");
+            }
+            return (unsigned int)-1;
+        }
+        return (unsigned int)val;
+    }
+    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
+    const char neg_one = (char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to char" :
+                    "value too large to convert to char");
+            }
+            return (char)-1;
+        }
+        return (char)val;
+    }
+    return (char)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
+    const short neg_one = (short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to short" :
+                    "value too large to convert to short");
+            }
+            return (short)-1;
+        }
+        return (short)val;
+    }
+    return (short)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
+    const signed char neg_one = (signed char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed char" :
+                    "value too large to convert to signed char");
+            }
+            return (signed char)-1;
+        }
+        return (signed char)val;
+    }
+    return (signed char)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
+    const signed short neg_one = (signed short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed short" :
+                    "value too large to convert to signed short");
+            }
+            return (signed short)-1;
+        }
+        return (signed short)val;
+    }
+    return (signed short)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
+    const signed int neg_one = (signed int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed int" :
+                    "value too large to convert to signed int");
+            }
+            return (signed int)-1;
+        }
+        return (signed int)val;
+    }
+    return (signed int)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
+    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned long");
+            return (unsigned long)-1;
+        }
+        return (unsigned long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned long");
+                return (unsigned long)-1;
+            }
+            return (unsigned long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (unsigned long)PyLong_AsLong(x);
+        }
+    } else {
+        unsigned long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned long)-1;
+        val = __Pyx_PyInt_AsUnsignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
+    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned PY_LONG_LONG");
+            return (unsigned PY_LONG_LONG)-1;
+        }
+        return (unsigned PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned PY_LONG_LONG");
+                return (unsigned PY_LONG_LONG)-1;
+            }
+            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        unsigned PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
+    const long neg_one = (long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to long");
+            return (long)-1;
+        }
+        return (long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to long");
+                return (long)-1;
+            }
+            return (long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (long)PyLong_AsLong(x);
+        }
+    } else {
+        long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (long)-1;
+        val = __Pyx_PyInt_AsLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
+    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to PY_LONG_LONG");
+            return (PY_LONG_LONG)-1;
+        }
+        return (PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to PY_LONG_LONG");
+                return (PY_LONG_LONG)-1;
+            }
+            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
+    const signed long neg_one = (signed long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed long");
+            return (signed long)-1;
+        }
+        return (signed long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed long");
+                return (signed long)-1;
+            }
+            return (signed long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (signed long)PyLong_AsLong(x);
+        }
+    } else {
+        signed long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed long)-1;
+        val = __Pyx_PyInt_AsSignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
+    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed PY_LONG_LONG");
+            return (signed PY_LONG_LONG)-1;
+        }
+        return (signed PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed PY_LONG_LONG");
+                return (signed PY_LONG_LONG)-1;
+            }
+            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        signed PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsSignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static int __Pyx_check_binary_version(void) {
+    char ctversion[4], rtversion[4];
+    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
+    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
+    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+        char message[200];
+        PyOS_snprintf(message, sizeof(message),
+                      "compiletime version %s of module '%.100s' "
+                      "does not match runtime version %s",
+                      ctversion, __Pyx_MODULE_NAME, rtversion);
+        #if PY_VERSION_HEX < 0x02050000
+        return PyErr_Warn(NULL, message);
+        #else
+        return PyErr_WarnEx(NULL, message, 1);
+        #endif
+    }
+    return 0;
+}
+
+#ifndef __PYX_HAVE_RT_ImportType
+#define __PYX_HAVE_RT_ImportType
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
+    size_t size, int strict)
+{
+    PyObject *py_module = 0;
+    PyObject *result = 0;
+    PyObject *py_name = 0;
+    char warning[200];
+    py_module = __Pyx_ImportModule(module_name);
+    if (!py_module)
+        goto bad;
+    py_name = __Pyx_PyIdentifier_FromString(class_name);
+    if (!py_name)
+        goto bad;
+    result = PyObject_GetAttr(py_module, py_name);
+    Py_DECREF(py_name);
+    py_name = 0;
+    Py_DECREF(py_module);
+    py_module = 0;
+    if (!result)
+        goto bad;
+    if (!PyType_Check(result)) {
+        PyErr_Format(PyExc_TypeError,
+            "%s.%s is not a type object",
+            module_name, class_name);
+        goto bad;
+    }
+    if (!strict && (size_t)((PyTypeObject *)result)->tp_basicsize > size) {
+        PyOS_snprintf(warning, sizeof(warning),
+            "%s.%s size changed, may indicate binary incompatibility",
+            module_name, class_name);
+        #if PY_VERSION_HEX < 0x02050000
+        if (PyErr_Warn(NULL, warning) < 0) goto bad;
+        #else
+        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
+        #endif
+    }
+    else if ((size_t)((PyTypeObject *)result)->tp_basicsize != size) {
+        PyErr_Format(PyExc_ValueError,
+            "%s.%s has the wrong size, try recompiling",
+            module_name, class_name);
+        goto bad;
+    }
+    return (PyTypeObject *)result;
+bad:
+    Py_XDECREF(py_module);
+    Py_XDECREF(result);
+    return NULL;
+}
+#endif
+
+#ifndef __PYX_HAVE_RT_ImportModule
+#define __PYX_HAVE_RT_ImportModule
+static PyObject *__Pyx_ImportModule(const char *name) {
+    PyObject *py_name = 0;
+    PyObject *py_module = 0;
+    py_name = __Pyx_PyIdentifier_FromString(name);
+    if (!py_name)
+        goto bad;
+    py_module = PyImport_Import(py_name);
+    Py_DECREF(py_name);
+    return py_module;
+bad:
+    Py_XDECREF(py_name);
+    return 0;
+}
+#endif
+
+static void* __Pyx_GetVtable(PyObject *dict) {
+    void* ptr;
+    PyObject *ob = PyMapping_GetItemString(dict, (char *)"__pyx_vtable__");
+    if (!ob)
+        goto bad;
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    ptr = PyCapsule_GetPointer(ob, 0);
+#else
+    ptr = PyCObject_AsVoidPtr(ob);
+#endif
+    if (!ptr && !PyErr_Occurred())
+        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
+    Py_DECREF(ob);
+    return ptr;
+bad:
+    Py_XDECREF(ob);
+    return NULL;
+}
+
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+    int start = 0, mid = 0, end = count - 1;
+    if (end >= 0 && code_line > entries[end].code_line) {
+        return count;
+    }
+    while (start < end) {
+        mid = (start + end) / 2;
+        if (code_line < entries[mid].code_line) {
+            end = mid;
+        } else if (code_line > entries[mid].code_line) {
+             start = mid + 1;
+        } else {
+            return mid;
+        }
+    }
+    if (code_line <= entries[mid].code_line) {
+        return mid;
+    } else {
+        return mid + 1;
+    }
+}
+static PyCodeObject *__pyx_find_code_object(int code_line) {
+    PyCodeObject* code_object;
+    int pos;
+    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
+        return NULL;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
+        return NULL;
+    }
+    code_object = __pyx_code_cache.entries[pos].code_object;
+    Py_INCREF(code_object);
+    return code_object;
+}
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
+    int pos, i;
+    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
+    if (unlikely(!code_line)) {
+        return;
+    }
+    if (unlikely(!entries)) {
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (likely(entries)) {
+            __pyx_code_cache.entries = entries;
+            __pyx_code_cache.max_count = 64;
+            __pyx_code_cache.count = 1;
+            entries[0].code_line = code_line;
+            entries[0].code_object = code_object;
+            Py_INCREF(code_object);
+        }
+        return;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
+        PyCodeObject* tmp = entries[pos].code_object;
+        entries[pos].code_object = code_object;
+        Py_DECREF(tmp);
+        return;
+    }
+    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
+        int new_max = __pyx_code_cache.max_count + 64;
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
+            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (unlikely(!entries)) {
+            return;
+        }
+        __pyx_code_cache.entries = entries;
+        __pyx_code_cache.max_count = new_max;
+    }
+    for (i=__pyx_code_cache.count; i>pos; i--) {
+        entries[i] = entries[i-1];
+    }
+    entries[pos].code_line = code_line;
+    entries[pos].code_object = code_object;
+    __pyx_code_cache.count++;
+    Py_INCREF(code_object);
+}
+
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
+            const char *funcname, int c_line,
+            int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_srcfile = 0;
+    PyObject *py_funcname = 0;
+    #if PY_MAJOR_VERSION < 3
+    py_srcfile = PyString_FromString(filename);
+    #else
+    py_srcfile = PyUnicode_FromString(filename);
+    #endif
+    if (!py_srcfile) goto bad;
+    if (c_line) {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #else
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #endif
+    }
+    else {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromString(funcname);
+        #else
+        py_funcname = PyUnicode_FromString(funcname);
+        #endif
+    }
+    if (!py_funcname) goto bad;
+    py_code = __Pyx_PyCode_New(
+        0,            /*int argcount,*/
+        0,            /*int kwonlyargcount,*/
+        0,            /*int nlocals,*/
+        0,            /*int stacksize,*/
+        0,            /*int flags,*/
+        __pyx_empty_bytes, /*PyObject *code,*/
+        __pyx_empty_tuple, /*PyObject *consts,*/
+        __pyx_empty_tuple, /*PyObject *names,*/
+        __pyx_empty_tuple, /*PyObject *varnames,*/
+        __pyx_empty_tuple, /*PyObject *freevars,*/
+        __pyx_empty_tuple, /*PyObject *cellvars,*/
+        py_srcfile,   /*PyObject *filename,*/
+        py_funcname,  /*PyObject *name,*/
+        py_line,      /*int firstlineno,*/
+        __pyx_empty_bytes  /*PyObject *lnotab*/
+    );
+    Py_DECREF(py_srcfile);
+    Py_DECREF(py_funcname);
+    return py_code;
+bad:
+    Py_XDECREF(py_srcfile);
+    Py_XDECREF(py_funcname);
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_globals = 0;
+    PyFrameObject *py_frame = 0;
+    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
+    if (!py_code) {
+        py_code = __Pyx_CreateCodeObjectForTraceback(
+            funcname, c_line, py_line, filename);
+        if (!py_code) goto bad;
+        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
+    }
+    py_globals = PyModule_GetDict(__pyx_m);
+    if (!py_globals) goto bad;
+    py_frame = PyFrame_New(
+        PyThreadState_GET(), /*PyThreadState *tstate,*/
+        py_code,             /*PyCodeObject *code,*/
+        py_globals,          /*PyObject *globals,*/
+        0                    /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    py_frame->f_lineno = py_line;
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+    while (t->p) {
+        #if PY_MAJOR_VERSION < 3
+        if (t->is_unicode) {
+            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
+        } else if (t->intern) {
+            *t->p = PyString_InternFromString(t->s);
+        } else {
+            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
+        }
+        #else  /* Python 3+ has unicode identifiers */
+        if (t->is_unicode | t->is_str) {
+            if (t->intern) {
+                *t->p = PyUnicode_InternFromString(t->s);
+            } else if (t->encoding) {
+                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
+            } else {
+                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
+            }
+        } else {
+            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
+        }
+        #endif
+        if (!*t->p)
+            return -1;
+        ++t;
+    }
+    return 0;
+}
+
+
+/* Type Conversion Functions */
+
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   int is_true = x == Py_True;
+   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
+   else return PyObject_IsTrue(x);
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
+  PyNumberMethods *m;
+  const char *name = NULL;
+  PyObject *res = NULL;
+#if PY_VERSION_HEX < 0x03000000
+  if (PyInt_Check(x) || PyLong_Check(x))
+#else
+  if (PyLong_Check(x))
+#endif
+    return Py_INCREF(x), x;
+  m = Py_TYPE(x)->tp_as_number;
+#if PY_VERSION_HEX < 0x03000000
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Int(x);
+  }
+  else if (m && m->nb_long) {
+    name = "long";
+    res = PyNumber_Long(x);
+  }
+#else
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Long(x);
+  }
+#endif
+  if (res) {
+#if PY_VERSION_HEX < 0x03000000
+    if (!PyInt_Check(res) && !PyLong_Check(res)) {
+#else
+    if (!PyLong_Check(res)) {
+#endif
+      PyErr_Format(PyExc_TypeError,
+                   "__%s__ returned non-%s (type %.200s)",
+                   name, name, Py_TYPE(res)->tp_name);
+      Py_DECREF(res);
+      return NULL;
+    }
+  }
+  else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_TypeError,
+                    "an integer is required");
+  }
+  return res;
+}
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject* x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyInt_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
+#if PY_VERSION_HEX < 0x02050000
+   if (ival <= LONG_MAX)
+       return PyInt_FromLong((long)ival);
+   else {
+       unsigned char *bytes = (unsigned char *) &ival;
+       int one = 1; int little = (int)*(unsigned char*)&one;
+       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
+   }
+#else
+   return PyInt_FromSize_t(ival);
+#endif
+}
+
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
+   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
+   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
+       return (size_t)-1;
+   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
+       PyErr_SetString(PyExc_OverflowError,
+                       "value too large to convert to size_t");
+       return (size_t)-1;
+   }
+   return (size_t)val;
+}
+
+
+#endif /* Py_PYTHON_H */
diff --git a/simpl/residual.pxd b/simpl/residual.pxd
new file mode 100644
index 0000000..eac4c32
--- /dev/null
+++ b/simpl/residual.pxd
@@ -0,0 +1,30 @@
+import numpy as np
+cimport numpy as np
+np.import_array()
+from libcpp.vector cimport vector
+
+from base cimport c_Peak
+from base cimport c_Frame
+from base cimport string
+from base cimport dtype_t
+from base import dtype
+
+
+cdef extern from "../src/simpl/residual.h" namespace "simpl":
+    cdef cppclass c_Residual "simpl::Residual":
+        c_Synthesis()
+        int frame_size()
+        void frame_size(int new_frame_size)
+        int next_frame_size()
+        int hop_size()
+        void hop_size(int new_hop_size)
+        int sampling_rate()
+        void sampling_rate(int new_sampling_rate)
+        void residual_frame(int synth_size, double* synth,
+                            int original_size, double* original,
+                            int residual_size, double* residual)
+        void find_residual(int synth_size, double* synth,
+                           int original_size, double* original,
+                           int residual_size, double* residual)
+        void synth_frame(c_Frame* frame)
+        vector[c_Frame*] synth(vector[c_Frame*] frames)
diff --git a/simpl/residual.pyx b/simpl/residual.pyx
new file mode 100644
index 0000000..58bc1ca
--- /dev/null
+++ b/simpl/residual.pyx
@@ -0,0 +1,63 @@
+import numpy as np
+cimport numpy as np
+np.import_array()
+from libcpp.vector cimport vector
+
+from base cimport Peak
+from base cimport Frame
+from base cimport c_Peak
+from base cimport c_Frame
+
+
+cdef class Residual:
+    cdef c_Residual* thisptr
+
+    def __cinit__(self): self.thisptr = new c_Residual()
+    def __dealloc__(self): del self.thisptr
+
+    property sampling_rate:
+        def __get__(self): return self.thisptr.sampling_rate()
+        def __set__(self, int i): self.thisptr.sampling_rate(i)
+
+    property frame_size:
+        def __get__(self): return self.thisptr.frame_size()
+        def __set__(self, int i): self.thisptr.frame_size(i)
+
+    property hop_size:
+        def __get__(self): return self.thisptr.hop_size()
+        def __set__(self, int i): self.thisptr.hop_size(i)
+
+    def residual_frame(self, np.ndarray[dtype_t, ndim=1] synth,
+                       np.ndarray[dtype_t, ndim=1] original):
+        cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+        self.thisptr.residual_frame(len(synth), <double*> synth.data,
+                                    len(original), <double*> original.data,
+                                    len(residual), <double*> residual.data)
+        return residual
+
+    def find_residual(self, np.ndarray[dtype_t, ndim=1] synth,
+                      np.ndarray[dtype_t, ndim=1] original):
+        cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+        self.thisptr.find_residual(len(synth), <double*> synth.data,
+                                   len(original), <double*> original.data,
+                                   len(residual), <double*> residual.data)
+        return residual
+
+    def synth_frame(self, Frame frame not None):
+        self.thisptr.synth_frame(frame.thisptr)
+        return frame.audio
+
+    def synth(self, frames):
+        cdef vector[c_Frame*] c_frames
+        for frame in frames:
+            c_frames.push_back((<Frame>frame).thisptr)
+        cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+        cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+            output_frames.size() * self.thisptr.hop_size()
+        )
+        cdef np.npy_intp shape[1]
+        shape[0] = <np.npy_intp> self.thisptr.hop_size()
+        for i in range(output_frames.size()):
+            frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+            output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+        return output
diff --git a/simpl/sms.c b/simpl/sms.c
new file mode 100644
index 0000000..06f2230
--- /dev/null
+++ b/simpl/sms.c
@@ -0,0 +1 @@
+#error Do not use this file, it is the result of a failed Cython compilation.
diff --git a/simpl/sms.cpp b/simpl/sms.cpp
new file mode 100644
index 0000000..06f2230
--- /dev/null
+++ b/simpl/sms.cpp
@@ -0,0 +1 @@
+#error Do not use this file, it is the result of a failed Cython compilation.
diff --git a/simpl/sms.pyx b/simpl/sms.pyx
new file mode 100644
index 0000000..6913b04
--- /dev/null
+++ b/simpl/sms.pyx
@@ -0,0 +1,297 @@
+import numpy as np
+cimport numpy as np
+from libcpp.vector cimport vector
+
+from base cimport c_PeakDetection
+from base import PeakDetection
+
+np.import_array()
+
+
+cdef extern from "../src/simpl/simplsms.h" namespace "simpl":
+    cdef cppclass c_SMSPeakDetection "simpl::SMSPeakDetection"(c_PeakDetection):
+        c_SMSPeakDetection()
+
+        # int sampling_rate()
+        # void sampling_rate(int new_sampling_rate)
+        # int frame_size()
+        # void frame_size(int new_frame_size)
+        # int static_frame_size()
+        # void static_frame_size(int new_static_frame_size)
+        # int next_frame_size()
+        # int hop_size()
+        # void hop_size(int new_hop_size)
+        # int max_peaks()
+        # void max_peaks(int new_max_peaks)
+        # string window_type()
+        # void window_type(string new_window_type)
+        # int window_size()
+        # void window_size(int new_window_size)
+        # double min_peak_separation()
+        # void min_peak_separation(double new_min_peak_separation)
+        # int num_frames()
+        # c_Frame* frame(int frame_number)
+        # vector[c_Peak*] find_peaks_in_frame(c_Frame* frame)
+        # vector[c_Frame*] find_peaks(int audio_size, double* audio)
+
+    # cdef cppclass c_PartialTracking "simpl::PartialTracking":
+    #     c_PartialTracking()
+    #     void clear()
+    #     int sampling_rate()
+    #     void sampling_rate(int new_sampling_rate)
+    #     int max_partials()
+    #     void max_partials(int new_max_partials)
+    #     int min_partial_length()
+    #     void min_partial_length(int new_min_partial_length)
+    #     int max_gap()
+    #     void max_gap(int new_max_gap)
+    #     vector[c_Peak*] update_partials(c_Frame* frame)
+    #     vector[c_Frame*] find_partials(vector[c_Frame*] frames)
+
+    # cdef cppclass c_Synthesis "simpl::Synthesis":
+    #     c_Synthesis()
+    #     int frame_size()
+    #     void frame_size(int new_frame_size)
+    #     int next_frame_size()
+    #     int hop_size()
+    #     void hop_size(int new_hop_size)
+    #     int sampling_rate()
+    #     void sampling_rate(int new_sampling_rate)
+    #     int max_partials()
+    #     void max_partials(int new_max_partials)
+    #     void synth_frame(c_Frame* frame)
+    #     vector[c_Frame*] synth(vector[c_Frame*] frames)
+
+    # cdef cppclass c_Residual "simpl::Residual":
+    #     c_Synthesis()
+    #     int frame_size()
+    #     void frame_size(int new_frame_size)
+    #     int next_frame_size()
+    #     int hop_size()
+    #     void hop_size(int new_hop_size)
+    #     int sampling_rate()
+    #     void sampling_rate(int new_sampling_rate)
+    #     void residual_frame(int synth_size, double* synth,
+    #                         int original_size, double* original,
+    #                         int residual_size, double* residual)
+    #     void find_residual(int synth_size, double* synth,
+    #                        int original_size, double* original,
+    #                        int residual_size, double* residual)
+    #     void synth_frame(c_Frame* frame)
+    #     vector[c_Frame*] synth(vector[c_Frame*] frames)
+
+
+cdef class SMSPeakDetection(PeakDetection):
+    cdef c_SMSPeakDetection* thisptr
+
+    def __cinit__(self): 
+        self.thisptr = new c_SMSPeakDetection()
+    def __dealloc__(self): del self.thisptr
+
+    # property sampling_rate:
+    #     def __get__(self): return self.thisptr.sampling_rate()
+    #     def __set__(self, int i): self.thisptr.sampling_rate(i)
+
+    # property frame_size:
+    #     def __get__(self): return self.thisptr.frame_size()
+    #     def __set__(self, int i): self.thisptr.frame_size(i)
+
+    # property static_frame_size:
+    #     def __get__(self): return self.thisptr.static_frame_size()
+    #     def __set__(self, int i): self.thisptr.static_frame_size(i)
+
+    # def next_frame_size(self):
+    #     return self.thisptr.next_frame_size()
+
+    # property hop_size:
+    #     def __get__(self): return self.thisptr.hop_size()
+    #     def __set__(self, int i): self.thisptr.hop_size(i)
+
+    # property max_peaks:
+    #     def __get__(self): return self.thisptr.max_peaks()
+    #     def __set__(self, int i): self.thisptr.max_peaks(i)
+
+    # property window_type:
+    #     def __get__(self): return self.thisptr.window_type().c_str()
+    #     def __set__(self, char* s): self.thisptr.window_type(string(s))
+
+    # property window_size:
+    #     def __get__(self): return self.thisptr.window_size()
+    #     def __set__(self, int i): self.thisptr.window_size(i)
+
+    # property min_peak_separation:
+    #     def __get__(self): return self.thisptr.min_peak_separation()
+    #     def __set__(self, double d): self.thisptr.min_peak_separation(d)
+
+    # def frame(self, int i):
+    #     cdef c_Frame* c_f = self.thisptr.frame(i)
+    #     f = Frame(None, False)
+    #     f.set_frame(c_f)
+    #     return f
+
+    # property frames:
+    #     def __get__(self):
+    #         return [self.frame(i) for i in range(self.thisptr.num_frames())]
+    #     def __set__(self, f):
+    #         raise Exception("NotImplemented")
+
+    # def find_peaks_in_frame(self, Frame frame not None):
+    #     peaks = []
+    #     cdef vector[c_Peak*] c_peaks = self.thisptr.find_peaks_in_frame(frame.thisptr)
+    #     for i in range(c_peaks.size()):
+    #         peak = Peak(False)
+    #         peak.set_peak(c_peaks[i])
+    #         peaks.append(peak)
+    #     return peaks
+
+    # def find_peaks(self, np.ndarray[dtype_t, ndim=1] audio):
+    #     frames = []
+    #     cdef vector[c_Frame*] output_frames = self.thisptr.find_peaks(len(audio), <double*> audio.data)
+    #     for i in range(output_frames.size()):
+    #         f = Frame(output_frames[i].size(), False)
+    #         f.set_frame(output_frames[i])
+    #         frames.append(f)
+    #     return frames
+
+
+# cdef class PartialTracking:
+#     cdef c_PartialTracking* thisptr
+
+#     def __cinit__(self): self.thisptr = new c_PartialTracking()
+#     def __dealloc__(self): del self.thisptr
+
+#     def clear(self):
+#         self.thisptr.clear()
+
+#     property sampling_rate:
+#         def __get__(self): return self.thisptr.sampling_rate()
+#         def __set__(self, int i): self.thisptr.sampling_rate(i)
+
+#     property max_partials:
+#         def __get__(self): return self.thisptr.max_partials()
+#         def __set__(self, int i): self.thisptr.max_partials(i)
+
+#     property min_partial_length:
+#         def __get__(self): return self.thisptr.min_partial_length()
+#         def __set__(self, int i): self.thisptr.min_partial_length(i)
+
+#     property max_gap:
+#         def __get__(self): return self.thisptr.max_gap()
+#         def __set__(self, int i): self.thisptr.max_gap(i)
+
+#     def update_partials(self, Frame frame not None):
+#         peaks = []
+#         cdef vector[c_Peak*] c_peaks = self.thisptr.update_partials(frame.thisptr)
+#         for i in range(c_peaks.size()):
+#             peak = Peak(False)
+#             peak.set_peak(c_peaks[i])
+#             peaks.append(peak)
+#         return peaks
+
+#     def find_partials(self, frames):
+#         partial_frames = []
+#         cdef vector[c_Frame*] c_frames
+#         for frame in frames:
+#             c_frames.push_back((<Frame>frame).thisptr)
+#         cdef vector[c_Frame*] output_frames = self.thisptr.find_partials(c_frames)
+#         for i in range(output_frames.size()):
+#             f = Frame(output_frames[i].size(), False)
+#             f.set_frame(output_frames[i])
+#             partial_frames.append(f)
+#         return partial_frames
+
+
+# cdef class Synthesis:
+#     cdef c_Synthesis* thisptr
+
+#     def __cinit__(self): self.thisptr = new c_Synthesis()
+#     def __dealloc__(self): del self.thisptr
+
+#     property sampling_rate:
+#         def __get__(self): return self.thisptr.sampling_rate()
+#         def __set__(self, int i): self.thisptr.sampling_rate(i)
+
+#     property frame_size:
+#         def __get__(self): return self.thisptr.frame_size()
+#         def __set__(self, int i): self.thisptr.frame_size(i)
+
+#     property hop_size:
+#         def __get__(self): return self.thisptr.hop_size()
+#         def __set__(self, int i): self.thisptr.hop_size(i)
+
+#     property max_partials:
+#         def __get__(self): return self.thisptr.max_partials()
+#         def __set__(self, int i): self.thisptr.max_partials(i)
+
+#     def synth_frame(self, Frame frame not None):
+#         self.thisptr.synth_frame(frame.thisptr)
+#         return frame.audio
+
+#     def synth(self, frames):
+#         cdef vector[c_Frame*] c_frames
+#         for frame in frames:
+#             c_frames.push_back((<Frame>frame).thisptr)
+#         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+#         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+#             output_frames.size() * self.thisptr.hop_size()
+#         )
+#         cdef np.npy_intp shape[1]
+#         shape[0] = <np.npy_intp> self.thisptr.hop_size()
+#         for i in range(output_frames.size()):
+#             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+#             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+#         return output
+
+
+# cdef class Residual:
+#     cdef c_Residual* thisptr
+
+#     def __cinit__(self): self.thisptr = new c_Residual()
+#     def __dealloc__(self): del self.thisptr
+
+#     property sampling_rate:
+#         def __get__(self): return self.thisptr.sampling_rate()
+#         def __set__(self, int i): self.thisptr.sampling_rate(i)
+
+#     property frame_size:
+#         def __get__(self): return self.thisptr.frame_size()
+#         def __set__(self, int i): self.thisptr.frame_size(i)
+
+#     property hop_size:
+#         def __get__(self): return self.thisptr.hop_size()
+#         def __set__(self, int i): self.thisptr.hop_size(i)
+
+#     def residual_frame(self, np.ndarray[dtype_t, ndim=1] synth,
+#                        np.ndarray[dtype_t, ndim=1] original):
+#         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+#         self.thisptr.residual_frame(len(synth), <double*> synth.data,
+#                                     len(original), <double*> original.data,
+#                                     len(residual), <double*> residual.data)
+#         return residual
+
+#     def find_residual(self, np.ndarray[dtype_t, ndim=1] synth,
+#                       np.ndarray[dtype_t, ndim=1] original):
+#         cdef np.ndarray[dtype_t, ndim=1] residual = np.zeros(len(synth))
+#         self.thisptr.find_residual(len(synth), <double*> synth.data,
+#                                    len(original), <double*> original.data,
+#                                    len(residual), <double*> residual.data)
+#         return residual
+
+#     def synth_frame(self, Frame frame not None):
+#         self.thisptr.synth_frame(frame.thisptr)
+#         return frame.audio
+
+#     def synth(self, frames):
+#         cdef vector[c_Frame*] c_frames
+#         for frame in frames:
+#             c_frames.push_back((<Frame>frame).thisptr)
+#         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+#         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+#             output_frames.size() * self.thisptr.hop_size()
+#         )
+#         cdef np.npy_intp shape[1]
+#         shape[0] = <np.npy_intp> self.thisptr.hop_size()
+#         for i in range(output_frames.size()):
+#             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+#             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+#         return output
diff --git a/simpl/synthesis.cpp b/simpl/synthesis.cpp
new file mode 100644
index 0000000..cf24dc3
--- /dev/null
+++ b/simpl/synthesis.cpp
@@ -0,0 +1,6407 @@
+/* Generated by Cython 0.16 on Sat Jun 30 10:39:28 2012 */
+
+#define PY_SSIZE_T_CLEAN
+#include "Python.h"
+#ifndef Py_PYTHON_H
+    #error Python headers needed to compile C extensions, please install development version of Python.
+#elif PY_VERSION_HEX < 0x02040000
+    #error Cython requires Python 2.4+.
+#else
+#include <stddef.h> /* For offsetof */
+#ifndef offsetof
+#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
+#endif
+
+#if !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+  #ifndef __fastcall
+    #define __fastcall
+  #endif
+#endif
+
+#ifndef DL_IMPORT
+  #define DL_IMPORT(t) t
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+
+#ifndef Py_HUGE_VAL
+  #define Py_HUGE_VAL HUGE_VAL
+#endif
+
+#ifdef PYPY_VERSION
+#define CYTHON_COMPILING_IN_PYPY 1
+#define CYTHON_COMPILING_IN_CPYTHON 0
+#else
+#define CYTHON_COMPILING_IN_PYPY 0
+#define CYTHON_COMPILING_IN_CPYTHON 1
+#endif
+
+#if CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyCFunction_Call PyObject_Call
+#else
+  #define __Pyx_PyCFunction_Call PyCFunction_Call
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  typedef int Py_ssize_t;
+  #define PY_SSIZE_T_MAX INT_MAX
+  #define PY_SSIZE_T_MIN INT_MIN
+  #define PY_FORMAT_SIZE_T ""
+  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
+  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
+  #define PyNumber_Index(o)    PyNumber_Int(o)
+  #define PyIndex_Check(o)     PyNumber_Check(o)
+  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
+  #define __PYX_BUILD_PY_SSIZE_T "i"
+#else
+  #define __PYX_BUILD_PY_SSIZE_T "n"
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
+  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
+  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
+  #define PyVarObject_HEAD_INIT(type, size) \
+          PyObject_HEAD_INIT(type) size,
+  #define PyType_Modified(t)
+
+  typedef struct {
+     void *buf;
+     PyObject *obj;
+     Py_ssize_t len;
+     Py_ssize_t itemsize;
+     int readonly;
+     int ndim;
+     char *format;
+     Py_ssize_t *shape;
+     Py_ssize_t *strides;
+     Py_ssize_t *suboffsets;
+     void *internal;
+  } Py_buffer;
+
+  #define PyBUF_SIMPLE 0
+  #define PyBUF_WRITABLE 0x0001
+  #define PyBUF_FORMAT 0x0004
+  #define PyBUF_ND 0x0008
+  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
+  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
+  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
+  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
+  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
+  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
+  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
+
+  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
+  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
+#endif
+
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#else
+  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+#endif
+
+#if PY_MAJOR_VERSION < 3 && PY_MINOR_VERSION < 6
+  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define Py_TPFLAGS_CHECKTYPES 0
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+
+#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
+  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
+#endif
+
+
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_GET_LENGTH)
+  #define CYTHON_PEP393_ENABLED 1
+  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+#else
+  #define CYTHON_PEP393_ENABLED 0
+  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBaseString_Type            PyUnicode_Type
+  #define PyStringObject               PyUnicodeObject
+  #define PyString_Type                PyUnicode_Type
+  #define PyString_Check               PyUnicode_Check
+  #define PyString_CheckExact          PyUnicode_CheckExact
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PyBytesObject                PyStringObject
+  #define PyBytes_Type                 PyString_Type
+  #define PyBytes_Check                PyString_Check
+  #define PyBytes_CheckExact           PyString_CheckExact
+  #define PyBytes_FromString           PyString_FromString
+  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
+  #define PyBytes_FromFormat           PyString_FromFormat
+  #define PyBytes_DecodeEscape         PyString_DecodeEscape
+  #define PyBytes_AsString             PyString_AsString
+  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
+  #define PyBytes_Size                 PyString_Size
+  #define PyBytes_AS_STRING            PyString_AS_STRING
+  #define PyBytes_GET_SIZE             PyString_GET_SIZE
+  #define PyBytes_Repr                 PyString_Repr
+  #define PyBytes_Concat               PyString_Concat
+  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
+#endif
+
+#if PY_VERSION_HEX < 0x02060000
+  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
+  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
+#endif
+
+#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyIntObject                  PyLongObject
+  #define PyInt_Type                   PyLong_Type
+  #define PyInt_Check(op)              PyLong_Check(op)
+  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define PyInt_FromString             PyLong_FromString
+  #define PyInt_FromUnicode            PyLong_FromUnicode
+  #define PyInt_FromLong               PyLong_FromLong
+  #define PyInt_FromSize_t             PyLong_FromSize_t
+  #define PyInt_FromSsize_t            PyLong_FromSsize_t
+  #define PyInt_AsLong                 PyLong_AsLong
+  #define PyInt_AS_LONG                PyLong_AS_LONG
+  #define PyInt_AsSsize_t              PyLong_AsSsize_t
+  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
+  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyBoolObject                 PyLongObject
+#endif
+
+#if PY_VERSION_HEX < 0x03020000
+  typedef long Py_hash_t;
+  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+#else
+  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
+#endif
+
+#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
+  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
+  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
+#else
+  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
+  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
+#else
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
+#endif
+
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_NAMESTR(n) ((char *)(n))
+  #define __Pyx_DOCSTR(n)  ((char *)(n))
+#else
+  #define __Pyx_NAMESTR(n) (n)
+  #define __Pyx_DOCSTR(n)  (n)
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
+#else
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
+#endif
+
+#ifndef __PYX_EXTERN_C
+  #ifdef __cplusplus
+    #define __PYX_EXTERN_C extern "C"
+  #else
+    #define __PYX_EXTERN_C extern
+  #endif
+#endif
+
+#if defined(WIN32) || defined(MS_WINDOWS)
+#define _USE_MATH_DEFINES
+#endif
+#include <math.h>
+#define __PYX_HAVE__simpl__synthesis
+#define __PYX_HAVE_API__simpl__synthesis
+#include "stdio.h"
+#include "stdlib.h"
+#include "numpy/arrayobject.h"
+#include "numpy/ufuncobject.h"
+#include <vector>
+#include <string>
+#include "../src/simpl/base.h"
+#include "../src/simpl/synthesis.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif /* _OPENMP */
+
+#ifdef PYREX_WITHOUT_ASSERTIONS
+#define CYTHON_WITHOUT_ASSERTIONS
+#endif
+
+
+/* inline attribute */
+#ifndef CYTHON_INLINE
+  #if defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+
+/* unused attribute */
+#ifndef CYTHON_UNUSED
+# if defined(__GNUC__)
+#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#     define CYTHON_UNUSED __attribute__ ((__unused__))
+#   else
+#     define CYTHON_UNUSED
+#   endif
+# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
+#   define CYTHON_UNUSED __attribute__ ((__unused__))
+# else
+#   define CYTHON_UNUSED
+# endif
+#endif
+
+typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
+
+
+/* Type Conversion Predeclarations */
+
+#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s)
+#define __Pyx_PyBytes_AsUString(s)   ((unsigned char*) PyBytes_AsString(s))
+
+#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
+#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
+
+#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
+
+#ifdef __GNUC__
+  /* Test for GCC > 2.95 */
+  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
+    #define likely(x)   __builtin_expect(!!(x), 1)
+    #define unlikely(x) __builtin_expect(!!(x), 0)
+  #else /* __GNUC__ > 2 ... */
+    #define likely(x)   (x)
+    #define unlikely(x) (x)
+  #endif /* __GNUC__ > 2 ... */
+#else /* __GNUC__ */
+  #define likely(x)   (x)
+  #define unlikely(x) (x)
+#endif /* __GNUC__ */
+    
+static PyObject *__pyx_m;
+static PyObject *__pyx_b;
+static PyObject *__pyx_empty_tuple;
+static PyObject *__pyx_empty_bytes;
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * __pyx_cfilenm= __FILE__;
+static const char *__pyx_filename;
+
+#if !defined(CYTHON_CCOMPLEX)
+  #if defined(__cplusplus)
+    #define CYTHON_CCOMPLEX 1
+  #elif defined(_Complex_I)
+    #define CYTHON_CCOMPLEX 1
+  #else
+    #define CYTHON_CCOMPLEX 0
+  #endif
+#endif
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    #include <complex>
+  #else
+    #include <complex.h>
+  #endif
+#endif
+#if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
+  #undef _Complex_I
+  #define _Complex_I 1.0fj
+#endif
+
+
+static const char *__pyx_f[] = {
+  "synthesis.pyx",
+  "numpy.pxd",
+  "base.pxd",
+};
+#define IS_UNSIGNED(type) (((type) -1) > 0)
+struct __Pyx_StructField_;
+#define __PYX_BUF_FLAGS_PACKED_STRUCT (1 << 0)
+typedef struct {
+  const char* name; /* for error messages only */
+  struct __Pyx_StructField_* fields;
+  size_t size;     /* sizeof(type) */
+  size_t arraysize[8]; /* length of array in each dimension */
+  int ndim;
+  char typegroup; /* _R_eal, _C_omplex, Signed _I_nt, _U_nsigned int, _S_truct, _P_ointer, _O_bject */
+  char is_unsigned;
+  int flags;
+} __Pyx_TypeInfo;
+typedef struct __Pyx_StructField_ {
+  __Pyx_TypeInfo* type;
+  const char* name;
+  size_t offset;
+} __Pyx_StructField;
+typedef struct {
+  __Pyx_StructField* field;
+  size_t parent_offset;
+} __Pyx_BufFmt_StackElem;
+typedef struct {
+  __Pyx_StructField root;
+  __Pyx_BufFmt_StackElem* head;
+  size_t fmt_offset;
+  size_t new_count, enc_count;
+  size_t struct_alignment;
+  int is_complex;
+  char enc_type;
+  char new_packmode;
+  char enc_packmode;
+  char is_valid_array;
+} __Pyx_BufFmt_Context;
+
+
+/* "numpy.pxd":722
+ * # in Cython to enable them only on the right systems.
+ * 
+ * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t
+ */
+typedef npy_int8 __pyx_t_5numpy_int8_t;
+
+/* "numpy.pxd":723
+ * 
+ * ctypedef npy_int8       int8_t
+ * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int32      int32_t
+ * ctypedef npy_int64      int64_t
+ */
+typedef npy_int16 __pyx_t_5numpy_int16_t;
+
+/* "numpy.pxd":724
+ * ctypedef npy_int8       int8_t
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_int64      int64_t
+ * #ctypedef npy_int96      int96_t
+ */
+typedef npy_int32 __pyx_t_5numpy_int32_t;
+
+/* "numpy.pxd":725
+ * ctypedef npy_int16      int16_t
+ * ctypedef npy_int32      int32_t
+ * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_int96      int96_t
+ * #ctypedef npy_int128     int128_t
+ */
+typedef npy_int64 __pyx_t_5numpy_int64_t;
+
+/* "numpy.pxd":729
+ * #ctypedef npy_int128     int128_t
+ * 
+ * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t
+ */
+typedef npy_uint8 __pyx_t_5numpy_uint8_t;
+
+/* "numpy.pxd":730
+ * 
+ * ctypedef npy_uint8      uint8_t
+ * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint32     uint32_t
+ * ctypedef npy_uint64     uint64_t
+ */
+typedef npy_uint16 __pyx_t_5numpy_uint16_t;
+
+/* "numpy.pxd":731
+ * ctypedef npy_uint8      uint8_t
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uint64     uint64_t
+ * #ctypedef npy_uint96     uint96_t
+ */
+typedef npy_uint32 __pyx_t_5numpy_uint32_t;
+
+/* "numpy.pxd":732
+ * ctypedef npy_uint16     uint16_t
+ * ctypedef npy_uint32     uint32_t
+ * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_uint96     uint96_t
+ * #ctypedef npy_uint128    uint128_t
+ */
+typedef npy_uint64 __pyx_t_5numpy_uint64_t;
+
+/* "numpy.pxd":736
+ * #ctypedef npy_uint128    uint128_t
+ * 
+ * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_float64    float64_t
+ * #ctypedef npy_float80    float80_t
+ */
+typedef npy_float32 __pyx_t_5numpy_float32_t;
+
+/* "numpy.pxd":737
+ * 
+ * ctypedef npy_float32    float32_t
+ * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
+ * #ctypedef npy_float80    float80_t
+ * #ctypedef npy_float128   float128_t
+ */
+typedef npy_float64 __pyx_t_5numpy_float64_t;
+
+/* "numpy.pxd":746
+ * # The int types are mapped a bit surprising --
+ * # numpy.int corresponds to 'l' and numpy.long to 'q'
+ * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longlong   long_t
+ * ctypedef npy_longlong   longlong_t
+ */
+typedef npy_long __pyx_t_5numpy_int_t;
+
+/* "numpy.pxd":747
+ * # numpy.int corresponds to 'l' and numpy.long to 'q'
+ * ctypedef npy_long       int_t
+ * ctypedef npy_longlong   long_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longlong   longlong_t
+ * 
+ */
+typedef npy_longlong __pyx_t_5numpy_long_t;
+
+/* "numpy.pxd":748
+ * ctypedef npy_long       int_t
+ * ctypedef npy_longlong   long_t
+ * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_ulong      uint_t
+ */
+typedef npy_longlong __pyx_t_5numpy_longlong_t;
+
+/* "numpy.pxd":750
+ * ctypedef npy_longlong   longlong_t
+ * 
+ * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_ulonglong  ulong_t
+ * ctypedef npy_ulonglong  ulonglong_t
+ */
+typedef npy_ulong __pyx_t_5numpy_uint_t;
+
+/* "numpy.pxd":751
+ * 
+ * ctypedef npy_ulong      uint_t
+ * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_ulonglong  ulonglong_t
+ * 
+ */
+typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
+
+/* "numpy.pxd":752
+ * ctypedef npy_ulong      uint_t
+ * ctypedef npy_ulonglong  ulong_t
+ * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_intp       intp_t
+ */
+typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;
+
+/* "numpy.pxd":754
+ * ctypedef npy_ulonglong  ulonglong_t
+ * 
+ * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_uintp      uintp_t
+ * 
+ */
+typedef npy_intp __pyx_t_5numpy_intp_t;
+
+/* "numpy.pxd":755
+ * 
+ * ctypedef npy_intp       intp_t
+ * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_double     float_t
+ */
+typedef npy_uintp __pyx_t_5numpy_uintp_t;
+
+/* "numpy.pxd":757
+ * ctypedef npy_uintp      uintp_t
+ * 
+ * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_double     double_t
+ * ctypedef npy_longdouble longdouble_t
+ */
+typedef npy_double __pyx_t_5numpy_float_t;
+
+/* "numpy.pxd":758
+ * 
+ * ctypedef npy_double     float_t
+ * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_longdouble longdouble_t
+ * 
+ */
+typedef npy_double __pyx_t_5numpy_double_t;
+
+/* "numpy.pxd":759
+ * ctypedef npy_double     float_t
+ * ctypedef npy_double     double_t
+ * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_cfloat      cfloat_t
+ */
+typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
+
+/* "base.pxd":8
+ * 
+ * dtype = np.float64
+ * ctypedef np.double_t dtype_t             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+typedef __pyx_t_5numpy_double_t __pyx_t_5simpl_4base_dtype_t;
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    typedef ::std::complex< float > __pyx_t_float_complex;
+  #else
+    typedef float _Complex __pyx_t_float_complex;
+  #endif
+#else
+    typedef struct { float real, imag; } __pyx_t_float_complex;
+#endif
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    typedef ::std::complex< double > __pyx_t_double_complex;
+  #else
+    typedef double _Complex __pyx_t_double_complex;
+  #endif
+#else
+    typedef struct { double real, imag; } __pyx_t_double_complex;
+#endif
+
+
+/*--- Type declarations ---*/
+struct __pyx_obj_5simpl_9synthesis_Synthesis;
+struct __pyx_obj_5simpl_4base_Frame;
+struct __pyx_obj_5simpl_4base_Peak;
+
+/* "numpy.pxd":761
+ * ctypedef npy_longdouble longdouble_t
+ * 
+ * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_cdouble     cdouble_t
+ * ctypedef npy_clongdouble clongdouble_t
+ */
+typedef npy_cfloat __pyx_t_5numpy_cfloat_t;
+
+/* "numpy.pxd":762
+ * 
+ * ctypedef npy_cfloat      cfloat_t
+ * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
+ * ctypedef npy_clongdouble clongdouble_t
+ * 
+ */
+typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
+
+/* "numpy.pxd":763
+ * ctypedef npy_cfloat      cfloat_t
+ * ctypedef npy_cdouble     cdouble_t
+ * ctypedef npy_clongdouble clongdouble_t             # <<<<<<<<<<<<<<
+ * 
+ * ctypedef npy_cdouble     complex_t
+ */
+typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
+
+/* "numpy.pxd":765
+ * ctypedef npy_clongdouble clongdouble_t
+ * 
+ * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):
+ */
+typedef npy_cdouble __pyx_t_5numpy_complex_t;
+
+/* "simpl/synthesis.pyx":12
+ * 
+ * 
+ * cdef class Synthesis:             # <<<<<<<<<<<<<<
+ *     cdef c_Synthesis* thisptr
+ * 
+ */
+struct __pyx_obj_5simpl_9synthesis_Synthesis {
+  PyObject_HEAD
+  simpl::Synthesis *thisptr;
+};
+
+
+/* "base.pxd":17
+ * 
+ * 
+ * cdef class Frame:             # <<<<<<<<<<<<<<
+ *     cdef c_Frame* thisptr
+ *     cdef int created
+ */
+struct __pyx_obj_5simpl_4base_Frame {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5simpl_4base_Frame *__pyx_vtab;
+  simpl::Frame *thisptr;
+  int created;
+};
+
+
+/* "base.pxd":11
+ * 
+ * 
+ * cdef class Peak:             # <<<<<<<<<<<<<<
+ *     cdef c_Peak* thisptr
+ *     cdef int created
+ */
+struct __pyx_obj_5simpl_4base_Peak {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5simpl_4base_Peak *__pyx_vtab;
+  simpl::Peak *thisptr;
+  int created;
+};
+
+
+
+struct __pyx_vtabstruct_5simpl_4base_Peak {
+  PyObject *(*set_peak)(struct __pyx_obj_5simpl_4base_Peak *, simpl::Peak *);
+};
+static struct __pyx_vtabstruct_5simpl_4base_Peak *__pyx_vtabptr_5simpl_4base_Peak;
+
+
+/* "base.pxd":17
+ * 
+ * 
+ * cdef class Frame:             # <<<<<<<<<<<<<<
+ *     cdef c_Frame* thisptr
+ *     cdef int created
+ */
+
+struct __pyx_vtabstruct_5simpl_4base_Frame {
+  PyObject *(*set_frame)(struct __pyx_obj_5simpl_4base_Frame *, simpl::Frame *);
+};
+static struct __pyx_vtabstruct_5simpl_4base_Frame *__pyx_vtabptr_5simpl_4base_Frame;
+#ifndef CYTHON_REFNANNY
+  #define CYTHON_REFNANNY 0
+#endif
+#if CYTHON_REFNANNY
+  typedef struct {
+    void (*INCREF)(void*, PyObject*, int);
+    void (*DECREF)(void*, PyObject*, int);
+    void (*GOTREF)(void*, PyObject*, int);
+    void (*GIVEREF)(void*, PyObject*, int);
+    void* (*SetupContext)(const char*, int, const char*);
+    void (*FinishContext)(void**);
+  } __Pyx_RefNannyAPIStruct;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); /*proto*/
+  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
+#ifdef WITH_THREAD
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          if (acquire_gil) { \
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure(); \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+              PyGILState_Release(__pyx_gilstate_save); \
+          } else { \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+          }
+#else
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
+#endif
+  #define __Pyx_RefNannyFinishContext() \
+          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
+#else
+  #define __Pyx_RefNannyDeclarations
+  #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContext()
+  #define __Pyx_INCREF(r) Py_INCREF(r)
+  #define __Pyx_DECREF(r) Py_DECREF(r)
+  #define __Pyx_GOTREF(r)
+  #define __Pyx_GIVEREF(r)
+  #define __Pyx_XINCREF(r) Py_XINCREF(r)
+  #define __Pyx_XDECREF(r) Py_XDECREF(r)
+  #define __Pyx_XGOTREF(r)
+  #define __Pyx_XGIVEREF(r)
+#endif /* CYTHON_REFNANNY */
+#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
+#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name); /*proto*/
+
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact); /*proto*/
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
+
+static CYTHON_INLINE int  __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj,
+    __Pyx_TypeInfo* dtype, int flags, int nd, int cast, __Pyx_BufFmt_StackElem* stack);
+static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info);
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
+
+static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level); /*proto*/
+
+static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name);
+
+typedef struct {
+  Py_ssize_t shape, strides, suboffsets;
+} __Pyx_Buf_DimInfo;
+typedef struct {
+  size_t refcount;
+  Py_buffer pybuffer;
+} __Pyx_Buffer;
+typedef struct {
+  __Pyx_Buffer *rcbuffer;
+  char *data;
+  __Pyx_Buf_DimInfo diminfo[8];
+} __Pyx_LocalBuf_ND;
+
+#if PY_MAJOR_VERSION < 3
+    static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags);
+    static void __Pyx_ReleaseBuffer(Py_buffer *view);
+#else
+    #define __Pyx_GetBuffer PyObject_GetBuffer
+    #define __Pyx_ReleaseBuffer PyBuffer_Release
+#endif
+
+static Py_ssize_t __Pyx_zeros[] = {0, 0, 0, 0, 0, 0, 0, 0};
+static Py_ssize_t __Pyx_minusones[] = {-1, -1, -1, -1, -1, -1, -1, -1};
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    #define __Pyx_CREAL(z) ((z).real())
+    #define __Pyx_CIMAG(z) ((z).imag())
+  #else
+    #define __Pyx_CREAL(z) (__real__(z))
+    #define __Pyx_CIMAG(z) (__imag__(z))
+  #endif
+#else
+    #define __Pyx_CREAL(z) ((z).real)
+    #define __Pyx_CIMAG(z) ((z).imag)
+#endif
+#if defined(_WIN32) && defined(__cplusplus) && CYTHON_CCOMPLEX
+    #define __Pyx_SET_CREAL(z,x) ((z).real(x))
+    #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
+#else
+    #define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
+    #define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
+#endif
+
+static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
+
+#if CYTHON_CCOMPLEX
+    #define __Pyx_c_eqf(a, b)   ((a)==(b))
+    #define __Pyx_c_sumf(a, b)  ((a)+(b))
+    #define __Pyx_c_difff(a, b) ((a)-(b))
+    #define __Pyx_c_prodf(a, b) ((a)*(b))
+    #define __Pyx_c_quotf(a, b) ((a)/(b))
+    #define __Pyx_c_negf(a)     (-(a))
+  #ifdef __cplusplus
+    #define __Pyx_c_is_zerof(z) ((z)==(float)0)
+    #define __Pyx_c_conjf(z)    (::std::conj(z))
+    #if 1
+        #define __Pyx_c_absf(z)     (::std::abs(z))
+        #define __Pyx_c_powf(a, b)  (::std::pow(a, b))
+    #endif
+  #else
+    #define __Pyx_c_is_zerof(z) ((z)==0)
+    #define __Pyx_c_conjf(z)    (conjf(z))
+    #if 1
+        #define __Pyx_c_absf(z)     (cabsf(z))
+        #define __Pyx_c_powf(a, b)  (cpowf(a, b))
+    #endif
+ #endif
+#else
+    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex);
+    #if 1
+        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex);
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex, __pyx_t_float_complex);
+    #endif
+#endif
+
+static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
+
+#if CYTHON_CCOMPLEX
+    #define __Pyx_c_eq(a, b)   ((a)==(b))
+    #define __Pyx_c_sum(a, b)  ((a)+(b))
+    #define __Pyx_c_diff(a, b) ((a)-(b))
+    #define __Pyx_c_prod(a, b) ((a)*(b))
+    #define __Pyx_c_quot(a, b) ((a)/(b))
+    #define __Pyx_c_neg(a)     (-(a))
+  #ifdef __cplusplus
+    #define __Pyx_c_is_zero(z) ((z)==(double)0)
+    #define __Pyx_c_conj(z)    (::std::conj(z))
+    #if 1
+        #define __Pyx_c_abs(z)     (::std::abs(z))
+        #define __Pyx_c_pow(a, b)  (::std::pow(a, b))
+    #endif
+  #else
+    #define __Pyx_c_is_zero(z) ((z)==0)
+    #define __Pyx_c_conj(z)    (conj(z))
+    #if 1
+        #define __Pyx_c_abs(z)     (cabs(z))
+        #define __Pyx_c_pow(a, b)  (cpow(a, b))
+    #endif
+ #endif
+#else
+    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex);
+    #if 1
+        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex);
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex, __pyx_t_double_complex);
+    #endif
+#endif
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);
+
+static int __Pyx_check_binary_version(void);
+
+#if !defined(__Pyx_PyIdentifier_FromString)
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
+#else
+  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
+#endif
+#endif
+
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);  /*proto*/
+
+static PyObject *__Pyx_ImportModule(const char *name); /*proto*/
+
+static void* __Pyx_GetVtable(PyObject *dict); /*proto*/
+
+typedef struct {
+    int code_line;
+    PyCodeObject* code_object;
+} __Pyx_CodeObjectCacheEntry;
+struct __Pyx_CodeObjectCache {
+    int count;
+    int max_count;
+    __Pyx_CodeObjectCacheEntry* entries;
+};
+static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
+static PyCodeObject *__pyx_find_code_object(int code_line);
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename); /*proto*/
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
+
+
+/* Module declarations from 'cpython.buffer' */
+
+/* Module declarations from 'cpython.ref' */
+
+/* Module declarations from 'libc.stdio' */
+
+/* Module declarations from 'cpython.object' */
+
+/* Module declarations from 'libc.stdlib' */
+
+/* Module declarations from 'numpy' */
+
+/* Module declarations from 'numpy' */
+static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
+static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
+static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
+static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
+static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
+static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/
+
+/* Module declarations from 'libcpp.vector' */
+
+/* Module declarations from 'simpl.base' */
+static PyTypeObject *__pyx_ptype_5simpl_4base_Peak = 0;
+static PyTypeObject *__pyx_ptype_5simpl_4base_Frame = 0;
+
+/* Module declarations from 'simpl.synthesis' */
+static PyTypeObject *__pyx_ptype_5simpl_9synthesis_Synthesis = 0;
+static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t = { "dtype_t", NULL, sizeof(__pyx_t_5simpl_4base_dtype_t), { 0 }, 0, 'R', 0, 0 };
+#define __Pyx_MODULE_NAME "simpl.synthesis"
+int __pyx_module_is_main_simpl__synthesis = 0;
+
+/* Implementation of 'simpl.synthesis' */
+static PyObject *__pyx_builtin_range;
+static PyObject *__pyx_builtin_ValueError;
+static PyObject *__pyx_builtin_RuntimeError;
+static int __pyx_pf_5simpl_9synthesis_9Synthesis___cinit__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self); /* proto */
+static void __pyx_pf_5simpl_9synthesis_9Synthesis_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_13sampling_rate___get__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_9synthesis_9Synthesis_13sampling_rate_2__set__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_10frame_size___get__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_9synthesis_9Synthesis_10frame_size_2__set__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_8hop_size___get__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_9synthesis_9Synthesis_8hop_size_2__set__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_12max_partials___get__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self); /* proto */
+static int __pyx_pf_5simpl_9synthesis_9Synthesis_12max_partials_2__set__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, int __pyx_v_i); /* proto */
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_4synth_frame(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, struct __pyx_obj_5simpl_4base_Frame *__pyx_v_frame); /* proto */
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_6synth(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, PyObject *__pyx_v_frames); /* proto */
+static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
+static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
+static char __pyx_k_1[] = "ndarray is not C contiguous";
+static char __pyx_k_3[] = "ndarray is not Fortran contiguous";
+static char __pyx_k_5[] = "Non-native byte order not supported";
+static char __pyx_k_7[] = "unknown dtype code in numpy.pxd (%d)";
+static char __pyx_k_8[] = "Format string allocated too short, see comment in numpy.pxd";
+static char __pyx_k_11[] = "Format string allocated too short.";
+static char __pyx_k__B[] = "B";
+static char __pyx_k__H[] = "H";
+static char __pyx_k__I[] = "I";
+static char __pyx_k__L[] = "L";
+static char __pyx_k__O[] = "O";
+static char __pyx_k__Q[] = "Q";
+static char __pyx_k__b[] = "b";
+static char __pyx_k__d[] = "d";
+static char __pyx_k__f[] = "f";
+static char __pyx_k__g[] = "g";
+static char __pyx_k__h[] = "h";
+static char __pyx_k__i[] = "i";
+static char __pyx_k__l[] = "l";
+static char __pyx_k__q[] = "q";
+static char __pyx_k__Zd[] = "Zd";
+static char __pyx_k__Zf[] = "Zf";
+static char __pyx_k__Zg[] = "Zg";
+static char __pyx_k__np[] = "np";
+static char __pyx_k__audio[] = "audio";
+static char __pyx_k__numpy[] = "numpy";
+static char __pyx_k__range[] = "range";
+static char __pyx_k__zeros[] = "zeros";
+static char __pyx_k____main__[] = "__main__";
+static char __pyx_k____test__[] = "__test__";
+static char __pyx_k__ValueError[] = "ValueError";
+static char __pyx_k__RuntimeError[] = "RuntimeError";
+static PyObject *__pyx_kp_u_1;
+static PyObject *__pyx_kp_u_11;
+static PyObject *__pyx_kp_u_3;
+static PyObject *__pyx_kp_u_5;
+static PyObject *__pyx_kp_u_7;
+static PyObject *__pyx_kp_u_8;
+static PyObject *__pyx_n_s__RuntimeError;
+static PyObject *__pyx_n_s__ValueError;
+static PyObject *__pyx_n_s____main__;
+static PyObject *__pyx_n_s____test__;
+static PyObject *__pyx_n_s__audio;
+static PyObject *__pyx_n_s__np;
+static PyObject *__pyx_n_s__numpy;
+static PyObject *__pyx_n_s__range;
+static PyObject *__pyx_n_s__zeros;
+static PyObject *__pyx_int_1;
+static PyObject *__pyx_int_15;
+static PyObject *__pyx_k_tuple_2;
+static PyObject *__pyx_k_tuple_4;
+static PyObject *__pyx_k_tuple_6;
+static PyObject *__pyx_k_tuple_9;
+static PyObject *__pyx_k_tuple_10;
+static PyObject *__pyx_k_tuple_12;
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
+  if (unlikely(PyTuple_GET_SIZE(__pyx_args) > 0)) {
+    __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 0, 0, PyTuple_GET_SIZE(__pyx_args)); return -1;}
+  if (unlikely(__pyx_kwds) && unlikely(PyDict_Size(__pyx_kwds) > 0) && unlikely(!__Pyx_CheckKeywordStrings(__pyx_kwds, "__cinit__", 0))) return -1;
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis___cinit__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":15
+ *     cdef c_Synthesis* thisptr
+ * 
+ *     def __cinit__(self): self.thisptr = new c_Synthesis()             # <<<<<<<<<<<<<<
+ *     def __dealloc__(self): del self.thisptr
+ * 
+ */
+
+static int __pyx_pf_5simpl_9synthesis_9Synthesis___cinit__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__cinit__", 0);
+  __pyx_v_self->thisptr = new simpl::Synthesis();
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5simpl_9synthesis_9Synthesis_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_5simpl_9synthesis_9Synthesis_3__dealloc__(PyObject *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
+  __pyx_pf_5simpl_9synthesis_9Synthesis_2__dealloc__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "simpl/synthesis.pyx":16
+ * 
+ *     def __cinit__(self): self.thisptr = new c_Synthesis()
+ *     def __dealloc__(self): del self.thisptr             # <<<<<<<<<<<<<<
+ * 
+ *     property sampling_rate:
+ */
+
+static void __pyx_pf_5simpl_9synthesis_9Synthesis_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__dealloc__", 0);
+  delete __pyx_v_self->thisptr;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_13sampling_rate_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_13sampling_rate_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_13sampling_rate___get__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":19
+ * 
+ *     property sampling_rate:
+ *         def __get__(self): return self.thisptr.sampling_rate()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.sampling_rate(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_13sampling_rate___get__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->sampling_rate()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 19; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.sampling_rate.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_13sampling_rate_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_13sampling_rate_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.sampling_rate.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_13sampling_rate_2__set__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":20
+ *     property sampling_rate:
+ *         def __get__(self): return self.thisptr.sampling_rate()
+ *         def __set__(self, int i): self.thisptr.sampling_rate(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property frame_size:
+ */
+
+static int __pyx_pf_5simpl_9synthesis_9Synthesis_13sampling_rate_2__set__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->sampling_rate(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_10frame_size_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_10frame_size_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_10frame_size___get__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":23
+ * 
+ *     property frame_size:
+ *         def __get__(self): return self.thisptr.frame_size()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.frame_size(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_10frame_size___get__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->frame_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.frame_size.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_10frame_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_10frame_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.frame_size.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_10frame_size_2__set__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":24
+ *     property frame_size:
+ *         def __get__(self): return self.thisptr.frame_size()
+ *         def __set__(self, int i): self.thisptr.frame_size(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property hop_size:
+ */
+
+static int __pyx_pf_5simpl_9synthesis_9Synthesis_10frame_size_2__set__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->frame_size(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_8hop_size_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_8hop_size_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_8hop_size___get__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":27
+ * 
+ *     property hop_size:
+ *         def __get__(self): return self.thisptr.hop_size()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.hop_size(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_8hop_size___get__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->hop_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.hop_size.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_8hop_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_8hop_size_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.hop_size.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_8hop_size_2__set__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":28
+ *     property hop_size:
+ *         def __get__(self): return self.thisptr.hop_size()
+ *         def __set__(self, int i): self.thisptr.hop_size(i)             # <<<<<<<<<<<<<<
+ * 
+ *     property max_partials:
+ */
+
+static int __pyx_pf_5simpl_9synthesis_9Synthesis_8hop_size_2__set__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->hop_size(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_12max_partials_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_12max_partials_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_12max_partials___get__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":31
+ * 
+ *     property max_partials:
+ *         def __get__(self): return self.thisptr.max_partials()             # <<<<<<<<<<<<<<
+ *         def __set__(self, int i): self.thisptr.max_partials(i)
+ * 
+ */
+
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_12max_partials___get__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->max_partials()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.max_partials.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_12max_partials_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i); /*proto*/
+static int __pyx_pw_5simpl_9synthesis_9Synthesis_12max_partials_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_arg_i) {
+  int __pyx_v_i;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
+  assert(__pyx_arg_i); {
+    __pyx_v_i = __Pyx_PyInt_AsInt(__pyx_arg_i); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.max_partials.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return -1;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_12max_partials_2__set__(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self), ((int)__pyx_v_i));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":32
+ *     property max_partials:
+ *         def __get__(self): return self.thisptr.max_partials()
+ *         def __set__(self, int i): self.thisptr.max_partials(i)             # <<<<<<<<<<<<<<
+ * 
+ *     def synth_frame(self, Frame frame not None):
+ */
+
+static int __pyx_pf_5simpl_9synthesis_9Synthesis_12max_partials_2__set__(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, int __pyx_v_i) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__set__", 0);
+  __pyx_v_self->thisptr->max_partials(__pyx_v_i);
+
+  __pyx_r = 0;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_5synth_frame(PyObject *__pyx_v_self, PyObject *__pyx_v_frame); /*proto*/
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_5synth_frame(PyObject *__pyx_v_self, PyObject *__pyx_v_frame) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("synth_frame (wrapper)", 0);
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_frame), __pyx_ptype_5simpl_4base_Frame, 0, "frame", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 34; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_4synth_frame(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self), ((struct __pyx_obj_5simpl_4base_Frame *)__pyx_v_frame));
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":34
+ *         def __set__(self, int i): self.thisptr.max_partials(i)
+ * 
+ *     def synth_frame(self, Frame frame not None):             # <<<<<<<<<<<<<<
+ *         self.thisptr.synth_frame(frame.thisptr)
+ *         return frame.audio
+ */
+
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_4synth_frame(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, struct __pyx_obj_5simpl_4base_Frame *__pyx_v_frame) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("synth_frame", 0);
+
+  /* "simpl/synthesis.pyx":35
+ * 
+ *     def synth_frame(self, Frame frame not None):
+ *         self.thisptr.synth_frame(frame.thisptr)             # <<<<<<<<<<<<<<
+ *         return frame.audio
+ * 
+ */
+  __pyx_v_self->thisptr->synth_frame(__pyx_v_frame->thisptr);
+
+  /* "simpl/synthesis.pyx":36
+ *     def synth_frame(self, Frame frame not None):
+ *         self.thisptr.synth_frame(frame.thisptr)
+ *         return frame.audio             # <<<<<<<<<<<<<<
+ * 
+ *     def synth(self, frames):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_frame), __pyx_n_s__audio); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.synth_frame", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_7synth(PyObject *__pyx_v_self, PyObject *__pyx_v_frames); /*proto*/
+static PyObject *__pyx_pw_5simpl_9synthesis_9Synthesis_7synth(PyObject *__pyx_v_self, PyObject *__pyx_v_frames) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("synth (wrapper)", 0);
+  __pyx_r = __pyx_pf_5simpl_9synthesis_9Synthesis_6synth(((struct __pyx_obj_5simpl_9synthesis_Synthesis *)__pyx_v_self), ((PyObject *)__pyx_v_frames));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "simpl/synthesis.pyx":38
+ *         return frame.audio
+ * 
+ *     def synth(self, frames):             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:
+ */
+
+static PyObject *__pyx_pf_5simpl_9synthesis_9Synthesis_6synth(struct __pyx_obj_5simpl_9synthesis_Synthesis *__pyx_v_self, PyObject *__pyx_v_frames) {
+  std::vector<simpl::Frame *> __pyx_v_c_frames;
+  PyObject *__pyx_v_frame = NULL;
+  std::vector<simpl::Frame *> __pyx_v_output_frames;
+  PyArrayObject *__pyx_v_output = 0;
+  npy_intp __pyx_v_shape[1];
+  PyObject *__pyx_v_i = NULL;
+  PyObject *__pyx_v_frame_audio = NULL;
+  __Pyx_LocalBuf_ND __pyx_pybuffernd_output;
+  __Pyx_Buffer __pyx_pybuffer_output;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  PyArrayObject *__pyx_t_6 = NULL;
+  size_t __pyx_t_7;
+  Py_ssize_t __pyx_t_8;
+  PyObject *__pyx_t_9 = NULL;
+  Py_ssize_t __pyx_t_10;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("synth", 0);
+  __pyx_pybuffer_output.pybuffer.buf = NULL;
+  __pyx_pybuffer_output.refcount = 0;
+  __pyx_pybuffernd_output.data = NULL;
+  __pyx_pybuffernd_output.rcbuffer = &__pyx_pybuffer_output;
+
+  /* "simpl/synthesis.pyx":40
+ *     def synth(self, frames):
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:             # <<<<<<<<<<<<<<
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+ */
+  if (PyList_CheckExact(__pyx_v_frames) || PyTuple_CheckExact(__pyx_v_frames)) {
+    __pyx_t_1 = __pyx_v_frames; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_frames); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XDECREF(__pyx_v_frame);
+    __pyx_v_frame = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "simpl/synthesis.pyx":41
+ *         cdef vector[c_Frame*] c_frames
+ *         for frame in frames:
+ *             c_frames.push_back((<Frame>frame).thisptr)             # <<<<<<<<<<<<<<
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+ *         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+ */
+    __pyx_v_c_frames.push_back(((struct __pyx_obj_5simpl_4base_Frame *)__pyx_v_frame)->thisptr);
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/synthesis.pyx":42
+ *         for frame in frames:
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)             # <<<<<<<<<<<<<<
+ *         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+ *             output_frames.size() * self.thisptr.hop_size()
+ */
+  __pyx_v_output_frames = __pyx_v_self->thisptr->synth(__pyx_v_c_frames);
+
+  /* "simpl/synthesis.pyx":43
+ *             c_frames.push_back((<Frame>frame).thisptr)
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+ *         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(             # <<<<<<<<<<<<<<
+ *             output_frames.size() * self.thisptr.hop_size()
+ *         )
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_4 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__zeros); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/synthesis.pyx":44
+ *         cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+ *         cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+ *             output_frames.size() * self.thisptr.hop_size()             # <<<<<<<<<<<<<<
+ *         )
+ *         cdef np.npy_intp shape[1]
+ */
+  __pyx_t_1 = __Pyx_PyInt_FromSize_t((__pyx_v_output_frames.size() * __pyx_v_self->thisptr->hop_size())); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 44; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = ((PyArrayObject *)__pyx_t_1);
+  {
+    __Pyx_BufFmt_StackElem __pyx_stack[1];
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_output.rcbuffer->pybuffer, (PyObject*)__pyx_t_6, &__Pyx_TypeInfo_nn___pyx_t_5simpl_4base_dtype_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
+      __pyx_v_output = ((PyArrayObject *)Py_None); __Pyx_INCREF(Py_None); __pyx_pybuffernd_output.rcbuffer->pybuffer.buf = NULL;
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    } else {__pyx_pybuffernd_output.diminfo[0].strides = __pyx_pybuffernd_output.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_output.diminfo[0].shape = __pyx_pybuffernd_output.rcbuffer->pybuffer.shape[0];
+    }
+  }
+  __pyx_t_6 = 0;
+  __pyx_v_output = ((PyArrayObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "simpl/synthesis.pyx":47
+ *         )
+ *         cdef np.npy_intp shape[1]
+ *         shape[0] = <np.npy_intp> self.thisptr.hop_size()             # <<<<<<<<<<<<<<
+ *         for i in range(output_frames.size()):
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+ */
+  (__pyx_v_shape[0]) = ((npy_intp)__pyx_v_self->thisptr->hop_size());
+
+  /* "simpl/synthesis.pyx":48
+ *         cdef np.npy_intp shape[1]
+ *         shape[0] = <np.npy_intp> self.thisptr.hop_size()
+ *         for i in range(output_frames.size()):             # <<<<<<<<<<<<<<
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+ *             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+ */
+  __pyx_t_1 = __Pyx_PyInt_FromSize_t(__pyx_v_output_frames.size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+  if (PyList_CheckExact(__pyx_t_1) || PyTuple_CheckExact(__pyx_t_1)) {
+    __pyx_t_5 = __pyx_t_1; __Pyx_INCREF(__pyx_t_5); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_5 = PyObject_GetIter(__pyx_t_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_3 = Py_TYPE(__pyx_t_5)->tp_iternext;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_5)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_5)) break;
+      __pyx_t_1 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_2); __Pyx_INCREF(__pyx_t_1); __pyx_t_2++;
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_5)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_5)) break;
+      __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_5, __pyx_t_2); __Pyx_INCREF(__pyx_t_1); __pyx_t_2++;
+    } else {
+      __pyx_t_1 = __pyx_t_3(__pyx_t_5);
+      if (unlikely(!__pyx_t_1)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[0]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_1);
+    }
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_1;
+    __pyx_t_1 = 0;
+
+    /* "simpl/synthesis.pyx":49
+ *         shape[0] = <np.npy_intp> self.thisptr.hop_size()
+ *         for i in range(output_frames.size()):
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())             # <<<<<<<<<<<<<<
+ *             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+ *         return output
+ */
+    __pyx_t_7 = __Pyx_PyInt_AsSize_t(__pyx_v_i); if (unlikely((__pyx_t_7 == (size_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyArray_SimpleNewFromData(1, __pyx_v_shape, NPY_DOUBLE, (__pyx_v_output_frames[__pyx_t_7])->synth()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_XDECREF(__pyx_v_frame_audio);
+    __pyx_v_frame_audio = __pyx_t_1;
+    __pyx_t_1 = 0;
+
+    /* "simpl/synthesis.pyx":50
+ *         for i in range(output_frames.size()):
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+ *             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio             # <<<<<<<<<<<<<<
+ *         return output
+ */
+    __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->hop_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = PyNumber_Multiply(__pyx_v_i, __pyx_t_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_8 = __Pyx_PyIndex_AsSsize_t(__pyx_t_4); if (unlikely((__pyx_t_8 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_4 = PyNumber_Add(__pyx_v_i, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_1 = PyInt_FromLong(__pyx_v_self->thisptr->hop_size()); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_9 = PyNumber_Multiply(__pyx_t_4, __pyx_t_1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_9);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_10 = __Pyx_PyIndex_AsSsize_t(__pyx_t_9); if (unlikely((__pyx_t_10 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+    if (__Pyx_PySequence_SetSlice(((PyObject *)__pyx_v_output), __pyx_t_8, __pyx_t_10, __pyx_v_frame_audio) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+
+  /* "simpl/synthesis.pyx":51
+ *             frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+ *             output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+ *         return output             # <<<<<<<<<<<<<<
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_output));
+  __pyx_r = ((PyObject *)__pyx_v_output);
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_9);
+  { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
+    __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
+    __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_output.rcbuffer->pybuffer);
+  __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
+  __Pyx_AddTraceback("simpl.synthesis.Synthesis.synth", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  goto __pyx_L2;
+  __pyx_L0:;
+  __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_output.rcbuffer->pybuffer);
+  __pyx_L2:;
+  __Pyx_XDECREF(__pyx_v_frame);
+  __Pyx_XDECREF((PyObject *)__pyx_v_output);
+  __Pyx_XDECREF(__pyx_v_i);
+  __Pyx_XDECREF(__pyx_v_frame_audio);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
+static int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__getbuffer__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_5numpy_7ndarray___getbuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info), ((int)__pyx_v_flags));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":193
+ *         # experimental exception made for __getbuffer__ and __releasebuffer__
+ *         # -- the details of this may change.
+ *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
+ *             # This implementation of getbuffer is geared towards Cython
+ *             # requirements, and does not yet fullfill the PEP.
+ */
+
+static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
+  int __pyx_v_copy_shape;
+  int __pyx_v_i;
+  int __pyx_v_ndim;
+  int __pyx_v_endian_detector;
+  int __pyx_v_little_endian;
+  int __pyx_v_t;
+  char *__pyx_v_f;
+  PyArray_Descr *__pyx_v_descr = 0;
+  int __pyx_v_offset;
+  int __pyx_v_hasfields;
+  int __pyx_r;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  PyObject *__pyx_t_8 = NULL;
+  char *__pyx_t_9;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("__getbuffer__", 0);
+  if (__pyx_v_info != NULL) {
+    __pyx_v_info->obj = Py_None; __Pyx_INCREF(Py_None);
+    __Pyx_GIVEREF(__pyx_v_info->obj);
+  }
+
+  /* "numpy.pxd":199
+ *             # of flags
+ * 
+ *             if info == NULL: return             # <<<<<<<<<<<<<<
+ * 
+ *             cdef int copy_shape, i, ndim
+ */
+  __pyx_t_1 = (__pyx_v_info == NULL);
+  if (__pyx_t_1) {
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":202
+ * 
+ *             cdef int copy_shape, i, ndim
+ *             cdef int endian_detector = 1             # <<<<<<<<<<<<<<
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ * 
+ */
+  __pyx_v_endian_detector = 1;
+
+  /* "numpy.pxd":203
+ *             cdef int copy_shape, i, ndim
+ *             cdef int endian_detector = 1
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
+ * 
+ *             ndim = PyArray_NDIM(self)
+ */
+  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
+
+  /* "numpy.pxd":205
+ *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ * 
+ *             ndim = PyArray_NDIM(self)             # <<<<<<<<<<<<<<
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ */
+  __pyx_v_ndim = PyArray_NDIM(__pyx_v_self);
+
+  /* "numpy.pxd":207
+ *             ndim = PyArray_NDIM(self)
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
+ *                 copy_shape = 1
+ *             else:
+ */
+  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":208
+ * 
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 copy_shape = 1             # <<<<<<<<<<<<<<
+ *             else:
+ *                 copy_shape = 0
+ */
+    __pyx_v_copy_shape = 1;
+    goto __pyx_L4;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":210
+ *                 copy_shape = 1
+ *             else:
+ *                 copy_shape = 0             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ */
+    __pyx_v_copy_shape = 0;
+  }
+  __pyx_L4:;
+
+  /* "numpy.pxd":212
+ *                 copy_shape = 0
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)             # <<<<<<<<<<<<<<
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ */
+  __pyx_t_1 = ((__pyx_v_flags & PyBUF_C_CONTIGUOUS) == PyBUF_C_CONTIGUOUS);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":213
+ * 
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):             # <<<<<<<<<<<<<<
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ * 
+ */
+    __pyx_t_2 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_C_CONTIGUOUS));
+    __pyx_t_3 = __pyx_t_2;
+  } else {
+    __pyx_t_3 = __pyx_t_1;
+  }
+  if (__pyx_t_3) {
+
+    /* "numpy.pxd":214
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ */
+    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_2), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    goto __pyx_L5;
+  }
+  __pyx_L5:;
+
+  /* "numpy.pxd":216
+ *                 raise ValueError(u"ndarray is not C contiguous")
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)             # <<<<<<<<<<<<<<
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ */
+  __pyx_t_3 = ((__pyx_v_flags & PyBUF_F_CONTIGUOUS) == PyBUF_F_CONTIGUOUS);
+  if (__pyx_t_3) {
+
+    /* "numpy.pxd":217
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):             # <<<<<<<<<<<<<<
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ * 
+ */
+    __pyx_t_1 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_F_CONTIGUOUS));
+    __pyx_t_2 = __pyx_t_1;
+  } else {
+    __pyx_t_2 = __pyx_t_3;
+  }
+  if (__pyx_t_2) {
+
+    /* "numpy.pxd":218
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             info.buf = PyArray_DATA(self)
+ */
+    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_4), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    goto __pyx_L6;
+  }
+  __pyx_L6:;
+
+  /* "numpy.pxd":220
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")
+ * 
+ *             info.buf = PyArray_DATA(self)             # <<<<<<<<<<<<<<
+ *             info.ndim = ndim
+ *             if copy_shape:
+ */
+  __pyx_v_info->buf = PyArray_DATA(__pyx_v_self);
+
+  /* "numpy.pxd":221
+ * 
+ *             info.buf = PyArray_DATA(self)
+ *             info.ndim = ndim             # <<<<<<<<<<<<<<
+ *             if copy_shape:
+ *                 # Allocate new buffer for strides and shape info.
+ */
+  __pyx_v_info->ndim = __pyx_v_ndim;
+
+  /* "numpy.pxd":222
+ *             info.buf = PyArray_DATA(self)
+ *             info.ndim = ndim
+ *             if copy_shape:             # <<<<<<<<<<<<<<
+ *                 # Allocate new buffer for strides and shape info.
+ *                 # This is allocated as one block, strides first.
+ */
+  if (__pyx_v_copy_shape) {
+
+    /* "numpy.pxd":225
+ *                 # Allocate new buffer for strides and shape info.
+ *                 # This is allocated as one block, strides first.
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)             # <<<<<<<<<<<<<<
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):
+ */
+    __pyx_v_info->strides = ((Py_ssize_t *)malloc((((sizeof(Py_ssize_t)) * ((size_t)__pyx_v_ndim)) * 2)));
+
+    /* "numpy.pxd":226
+ *                 # This is allocated as one block, strides first.
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
+ *                 info.shape = info.strides + ndim             # <<<<<<<<<<<<<<
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ */
+    __pyx_v_info->shape = (__pyx_v_info->strides + __pyx_v_ndim);
+
+    /* "numpy.pxd":227
+ *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):             # <<<<<<<<<<<<<<
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ */
+    __pyx_t_5 = __pyx_v_ndim;
+    for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
+      __pyx_v_i = __pyx_t_6;
+
+      /* "numpy.pxd":228
+ *                 info.shape = info.strides + ndim
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]             # <<<<<<<<<<<<<<
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ *             else:
+ */
+      (__pyx_v_info->strides[__pyx_v_i]) = (PyArray_STRIDES(__pyx_v_self)[__pyx_v_i]);
+
+      /* "numpy.pxd":229
+ *                 for i in range(ndim):
+ *                     info.strides[i] = PyArray_STRIDES(self)[i]
+ *                     info.shape[i] = PyArray_DIMS(self)[i]             # <<<<<<<<<<<<<<
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ */
+      (__pyx_v_info->shape[__pyx_v_i]) = (PyArray_DIMS(__pyx_v_self)[__pyx_v_i]);
+    }
+    goto __pyx_L7;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":231
+ *                     info.shape[i] = PyArray_DIMS(self)[i]
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)             # <<<<<<<<<<<<<<
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL
+ */
+    __pyx_v_info->strides = ((Py_ssize_t *)PyArray_STRIDES(__pyx_v_self));
+
+    /* "numpy.pxd":232
+ *             else:
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)             # <<<<<<<<<<<<<<
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ */
+    __pyx_v_info->shape = ((Py_ssize_t *)PyArray_DIMS(__pyx_v_self));
+  }
+  __pyx_L7:;
+
+  /* "numpy.pxd":233
+ *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL             # <<<<<<<<<<<<<<
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ *             info.readonly = not PyArray_ISWRITEABLE(self)
+ */
+  __pyx_v_info->suboffsets = NULL;
+
+  /* "numpy.pxd":234
+ *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)             # <<<<<<<<<<<<<<
+ *             info.readonly = not PyArray_ISWRITEABLE(self)
+ * 
+ */
+  __pyx_v_info->itemsize = PyArray_ITEMSIZE(__pyx_v_self);
+
+  /* "numpy.pxd":235
+ *             info.suboffsets = NULL
+ *             info.itemsize = PyArray_ITEMSIZE(self)
+ *             info.readonly = not PyArray_ISWRITEABLE(self)             # <<<<<<<<<<<<<<
+ * 
+ *             cdef int t
+ */
+  __pyx_v_info->readonly = (!PyArray_ISWRITEABLE(__pyx_v_self));
+
+  /* "numpy.pxd":238
+ * 
+ *             cdef int t
+ *             cdef char* f = NULL             # <<<<<<<<<<<<<<
+ *             cdef dtype descr = self.descr
+ *             cdef list stack
+ */
+  __pyx_v_f = NULL;
+
+  /* "numpy.pxd":239
+ *             cdef int t
+ *             cdef char* f = NULL
+ *             cdef dtype descr = self.descr             # <<<<<<<<<<<<<<
+ *             cdef list stack
+ *             cdef int offset
+ */
+  __Pyx_INCREF(((PyObject *)__pyx_v_self->descr));
+  __pyx_v_descr = __pyx_v_self->descr;
+
+  /* "numpy.pxd":243
+ *             cdef int offset
+ * 
+ *             cdef bint hasfields = PyDataType_HASFIELDS(descr)             # <<<<<<<<<<<<<<
+ * 
+ *             if not hasfields and not copy_shape:
+ */
+  __pyx_v_hasfields = PyDataType_HASFIELDS(__pyx_v_descr);
+
+  /* "numpy.pxd":245
+ *             cdef bint hasfields = PyDataType_HASFIELDS(descr)
+ * 
+ *             if not hasfields and not copy_shape:             # <<<<<<<<<<<<<<
+ *                 # do not call releasebuffer
+ *                 info.obj = None
+ */
+  __pyx_t_2 = (!__pyx_v_hasfields);
+  if (__pyx_t_2) {
+    __pyx_t_3 = (!__pyx_v_copy_shape);
+    __pyx_t_1 = __pyx_t_3;
+  } else {
+    __pyx_t_1 = __pyx_t_2;
+  }
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":247
+ *             if not hasfields and not copy_shape:
+ *                 # do not call releasebuffer
+ *                 info.obj = None             # <<<<<<<<<<<<<<
+ *             else:
+ *                 # need to call releasebuffer
+ */
+    __Pyx_INCREF(Py_None);
+    __Pyx_GIVEREF(Py_None);
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj);
+    __pyx_v_info->obj = Py_None;
+    goto __pyx_L10;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":250
+ *             else:
+ *                 # need to call releasebuffer
+ *                 info.obj = self             # <<<<<<<<<<<<<<
+ * 
+ *             if not hasfields:
+ */
+    __Pyx_INCREF(((PyObject *)__pyx_v_self));
+    __Pyx_GIVEREF(((PyObject *)__pyx_v_self));
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj);
+    __pyx_v_info->obj = ((PyObject *)__pyx_v_self);
+  }
+  __pyx_L10:;
+
+  /* "numpy.pxd":252
+ *                 info.obj = self
+ * 
+ *             if not hasfields:             # <<<<<<<<<<<<<<
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ */
+  __pyx_t_1 = (!__pyx_v_hasfields);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":253
+ * 
+ *             if not hasfields:
+ *                 t = descr.type_num             # <<<<<<<<<<<<<<
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ */
+    __pyx_v_t = __pyx_v_descr->type_num;
+
+    /* "numpy.pxd":254
+ *             if not hasfields:
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or             # <<<<<<<<<<<<<<
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")
+ */
+    __pyx_t_1 = (__pyx_v_descr->byteorder == '>');
+    if (__pyx_t_1) {
+      __pyx_t_2 = __pyx_v_little_endian;
+    } else {
+      __pyx_t_2 = __pyx_t_1;
+    }
+    if (!__pyx_t_2) {
+
+      /* "numpy.pxd":255
+ *                 t = descr.type_num
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):             # <<<<<<<<<<<<<<
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"
+ */
+      __pyx_t_1 = (__pyx_v_descr->byteorder == '<');
+      if (__pyx_t_1) {
+        __pyx_t_3 = (!__pyx_v_little_endian);
+        __pyx_t_7 = __pyx_t_3;
+      } else {
+        __pyx_t_7 = __pyx_t_1;
+      }
+      __pyx_t_1 = __pyx_t_7;
+    } else {
+      __pyx_t_1 = __pyx_t_2;
+    }
+    if (__pyx_t_1) {
+
+      /* "numpy.pxd":256
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ */
+      __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_6), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L12;
+    }
+    __pyx_L12:;
+
+    /* "numpy.pxd":257
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_BYTE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__b;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":258
+ *                     raise ValueError(u"Non-native byte order not supported")
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_UBYTE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__B;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":259
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_SHORT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__h;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":260
+ *                 elif t == NPY_UBYTE:       f = "B"
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_USHORT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__H;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":261
+ *                 elif t == NPY_SHORT:       f = "h"
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_INT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__i;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":262
+ *                 elif t == NPY_USHORT:      f = "H"
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_UINT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__I;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":263
+ *                 elif t == NPY_INT:         f = "i"
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__l;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":264
+ *                 elif t == NPY_UINT:        f = "I"
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_ULONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__L;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":265
+ *                 elif t == NPY_LONG:        f = "l"
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONGLONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__q;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":266
+ *                 elif t == NPY_ULONG:       f = "L"
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_ULONGLONG);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Q;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":267
+ *                 elif t == NPY_LONGLONG:    f = "q"
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_FLOAT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__f;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":268
+ *                 elif t == NPY_ULONGLONG:   f = "Q"
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_DOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__d;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":269
+ *                 elif t == NPY_FLOAT:       f = "f"
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_LONGDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__g;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":270
+ *                 elif t == NPY_DOUBLE:      f = "d"
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CFLOAT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zf;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":271
+ *                 elif t == NPY_LONGDOUBLE:  f = "g"
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zd;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":272
+ *                 elif t == NPY_CFLOAT:      f = "Zf"
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"             # <<<<<<<<<<<<<<
+ *                 elif t == NPY_OBJECT:      f = "O"
+ *                 else:
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_CLONGDOUBLE);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__Zg;
+      goto __pyx_L13;
+    }
+
+    /* "numpy.pxd":273
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+    __pyx_t_1 = (__pyx_v_t == NPY_OBJECT);
+    if (__pyx_t_1) {
+      __pyx_v_f = __pyx_k__O;
+      goto __pyx_L13;
+    }
+    /*else*/ {
+
+      /* "numpy.pxd":275
+ *                 elif t == NPY_OBJECT:      f = "O"
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
+ *                 info.format = f
+ *                 return
+ */
+      __pyx_t_4 = PyInt_FromLong(__pyx_v_t); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_7), __pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(((PyObject *)__pyx_t_8));
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_t_8));
+      __Pyx_GIVEREF(((PyObject *)__pyx_t_8));
+      __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_Raise(__pyx_t_8, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 275; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    __pyx_L13:;
+
+    /* "numpy.pxd":276
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *                 info.format = f             # <<<<<<<<<<<<<<
+ *                 return
+ *             else:
+ */
+    __pyx_v_info->format = __pyx_v_f;
+
+    /* "numpy.pxd":277
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *                 info.format = f
+ *                 return             # <<<<<<<<<<<<<<
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ */
+    __pyx_r = 0;
+    goto __pyx_L0;
+    goto __pyx_L11;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":279
+ *                 return
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)             # <<<<<<<<<<<<<<
+ *                 info.format[0] = '^' # Native data types, manual alignment
+ *                 offset = 0
+ */
+    __pyx_v_info->format = ((char *)malloc(255));
+
+    /* "numpy.pxd":280
+ *             else:
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ *                 info.format[0] = '^' # Native data types, manual alignment             # <<<<<<<<<<<<<<
+ *                 offset = 0
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ */
+    (__pyx_v_info->format[0]) = '^';
+
+    /* "numpy.pxd":281
+ *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
+ *                 info.format[0] = '^' # Native data types, manual alignment
+ *                 offset = 0             # <<<<<<<<<<<<<<
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ *                                       info.format + _buffer_format_string_len,
+ */
+    __pyx_v_offset = 0;
+
+    /* "numpy.pxd":284
+ *                 f = _util_dtypestring(descr, info.format + 1,
+ *                                       info.format + _buffer_format_string_len,
+ *                                       &offset)             # <<<<<<<<<<<<<<
+ *                 f[0] = 0 # Terminate format string
+ * 
+ */
+    __pyx_t_9 = __pyx_f_5numpy__util_dtypestring(__pyx_v_descr, (__pyx_v_info->format + 1), (__pyx_v_info->format + 255), (&__pyx_v_offset)); if (unlikely(__pyx_t_9 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 282; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_v_f = __pyx_t_9;
+
+    /* "numpy.pxd":285
+ *                                       info.format + _buffer_format_string_len,
+ *                                       &offset)
+ *                 f[0] = 0 # Terminate format string             # <<<<<<<<<<<<<<
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ */
+    (__pyx_v_f[0]) = 0;
+  }
+  __pyx_L11:;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_8);
+  __Pyx_AddTraceback("numpy.ndarray.__getbuffer__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = -1;
+  if (__pyx_v_info != NULL && __pyx_v_info->obj != NULL) {
+    __Pyx_GOTREF(__pyx_v_info->obj);
+    __Pyx_DECREF(__pyx_v_info->obj); __pyx_v_info->obj = NULL;
+  }
+  goto __pyx_L2;
+  __pyx_L0:;
+  if (__pyx_v_info != NULL && __pyx_v_info->obj == Py_None) {
+    __Pyx_GOTREF(Py_None);
+    __Pyx_DECREF(Py_None); __pyx_v_info->obj = NULL;
+  }
+  __pyx_L2:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_descr);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info); /*proto*/
+static void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__releasebuffer__ (wrapper)", 0);
+  __pyx_pf_5numpy_7ndarray_2__releasebuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info));
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":287
+ *                 f[0] = 0 # Terminate format string
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ */
+
+static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("__releasebuffer__", 0);
+
+  /* "numpy.pxd":288
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ *             if PyArray_HASFIELDS(self):             # <<<<<<<<<<<<<<
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ */
+  __pyx_t_1 = PyArray_HASFIELDS(__pyx_v_self);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":289
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)             # <<<<<<<<<<<<<<
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 stdlib.free(info.strides)
+ */
+    free(__pyx_v_info->format);
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":290
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
+ *                 stdlib.free(info.strides)
+ *                 # info.shape was stored after info.strides in the same block
+ */
+  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":291
+ *                 stdlib.free(info.format)
+ *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
+ *                 stdlib.free(info.strides)             # <<<<<<<<<<<<<<
+ *                 # info.shape was stored after info.strides in the same block
+ * 
+ */
+    free(__pyx_v_info->strides);
+    goto __pyx_L4;
+  }
+  __pyx_L4:;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":767
+ * ctypedef npy_cdouble     complex_t
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__pyx_v_a) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew1", 0);
+
+  /* "numpy.pxd":768
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):
+ *     return PyArray_MultiIterNew(1, <void*>a)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(1, ((void *)__pyx_v_a)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew1", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":770
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__pyx_v_a, PyObject *__pyx_v_b) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew2", 0);
+
+  /* "numpy.pxd":771
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(2, ((void *)__pyx_v_a), ((void *)__pyx_v_b)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 771; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew2", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":773
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew3", 0);
+
+  /* "numpy.pxd":774
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(3, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 774; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew3", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":776
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew4", 0);
+
+  /* "numpy.pxd":777
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(4, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 777; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew4", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":779
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__pyx_v_a, PyObject *__pyx_v_b, PyObject *__pyx_v_c, PyObject *__pyx_v_d, PyObject *__pyx_v_e) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("PyArray_MultiIterNew5", 0);
+
+  /* "numpy.pxd":780
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyArray_MultiIterNew(5, ((void *)__pyx_v_a), ((void *)__pyx_v_b), ((void *)__pyx_v_c), ((void *)__pyx_v_d), ((void *)__pyx_v_e)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("numpy.PyArray_MultiIterNew5", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":782
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:             # <<<<<<<<<<<<<<
+ *     # Recursive utility function used in __getbuffer__ to get format
+ *     # string. The new location in the format string is returned.
+ */
+
+static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx_v_descr, char *__pyx_v_f, char *__pyx_v_end, int *__pyx_v_offset) {
+  PyArray_Descr *__pyx_v_child = 0;
+  int __pyx_v_endian_detector;
+  int __pyx_v_little_endian;
+  PyObject *__pyx_v_fields = 0;
+  PyObject *__pyx_v_childname = NULL;
+  PyObject *__pyx_v_new_offset = NULL;
+  PyObject *__pyx_v_t = NULL;
+  char *__pyx_r;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_t_6;
+  int __pyx_t_7;
+  int __pyx_t_8;
+  int __pyx_t_9;
+  long __pyx_t_10;
+  char *__pyx_t_11;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("_util_dtypestring", 0);
+
+  /* "numpy.pxd":789
+ *     cdef int delta_offset
+ *     cdef tuple i
+ *     cdef int endian_detector = 1             # <<<<<<<<<<<<<<
+ *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
+ *     cdef tuple fields
+ */
+  __pyx_v_endian_detector = 1;
+
+  /* "numpy.pxd":790
+ *     cdef tuple i
+ *     cdef int endian_detector = 1
+ *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
+ *     cdef tuple fields
+ * 
+ */
+  __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
+
+  /* "numpy.pxd":793
+ *     cdef tuple fields
+ * 
+ *     for childname in descr.names:             # <<<<<<<<<<<<<<
+ *         fields = descr.fields[childname]
+ *         child, new_offset = fields
+ */
+  if (unlikely(((PyObject *)__pyx_v_descr->names) == Py_None)) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); {__pyx_filename = __pyx_f[1]; __pyx_lineno = 793; __pyx_clineno = __LINE__; goto __pyx_L1_error;} 
+  }
+  __pyx_t_1 = ((PyObject *)__pyx_v_descr->names); __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+  for (;;) {
+    if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+    __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++;
+    __Pyx_XDECREF(__pyx_v_childname);
+    __pyx_v_childname = __pyx_t_3;
+    __pyx_t_3 = 0;
+
+    /* "numpy.pxd":794
+ * 
+ *     for childname in descr.names:
+ *         fields = descr.fields[childname]             # <<<<<<<<<<<<<<
+ *         child, new_offset = fields
+ * 
+ */
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (!__pyx_t_3) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected tuple, got %.200s", Py_TYPE(__pyx_t_3)->tp_name), 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF(((PyObject *)__pyx_v_fields));
+    __pyx_v_fields = ((PyObject*)__pyx_t_3);
+    __pyx_t_3 = 0;
+
+    /* "numpy.pxd":795
+ *     for childname in descr.names:
+ *         fields = descr.fields[childname]
+ *         child, new_offset = fields             # <<<<<<<<<<<<<<
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ */
+    if (likely(PyTuple_CheckExact(((PyObject *)__pyx_v_fields)))) {
+      PyObject* sequence = ((PyObject *)__pyx_v_fields);
+      if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) {
+        if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
+        else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); 
+      __pyx_t_4 = PyTuple_GET_ITEM(sequence, 1); 
+      __Pyx_INCREF(__pyx_t_3);
+      __Pyx_INCREF(__pyx_t_4);
+    } else {
+      __Pyx_UnpackTupleError(((PyObject *)__pyx_v_fields), 2);
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_dtype))))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF(((PyObject *)__pyx_v_child));
+    __pyx_v_child = ((PyArray_Descr *)__pyx_t_3);
+    __pyx_t_3 = 0;
+    __Pyx_XDECREF(__pyx_v_new_offset);
+    __pyx_v_new_offset = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "numpy.pxd":797
+ *         child, new_offset = fields
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:             # <<<<<<<<<<<<<<
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
+ * 
+ */
+    __pyx_t_4 = PyInt_FromLong((__pyx_v_end - __pyx_v_f)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_3 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = PyNumber_Subtract(__pyx_v_new_offset, __pyx_t_3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_3 = PyNumber_Subtract(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_int_15, Py_LT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 797; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":798
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ */
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_9), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
+
+    /* "numpy.pxd":800
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or             # <<<<<<<<<<<<<<
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")
+ */
+    __pyx_t_6 = (__pyx_v_child->byteorder == '>');
+    if (__pyx_t_6) {
+      __pyx_t_7 = __pyx_v_little_endian;
+    } else {
+      __pyx_t_7 = __pyx_t_6;
+    }
+    if (!__pyx_t_7) {
+
+      /* "numpy.pxd":801
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):             # <<<<<<<<<<<<<<
+ *             raise ValueError(u"Non-native byte order not supported")
+ *             # One could encode it in the format string and have Cython
+ */
+      __pyx_t_6 = (__pyx_v_child->byteorder == '<');
+      if (__pyx_t_6) {
+        __pyx_t_8 = (!__pyx_v_little_endian);
+        __pyx_t_9 = __pyx_t_8;
+      } else {
+        __pyx_t_9 = __pyx_t_6;
+      }
+      __pyx_t_6 = __pyx_t_9;
+    } else {
+      __pyx_t_6 = __pyx_t_7;
+    }
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":802
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *             # One could encode it in the format string and have Cython
+ *             # complain instead, BUT: < and > in format strings also imply
+ */
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_10), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      goto __pyx_L6;
+    }
+    __pyx_L6:;
+
+    /* "numpy.pxd":812
+ * 
+ *         # Output padding bytes
+ *         while offset[0] < new_offset:             # <<<<<<<<<<<<<<
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1
+ */
+    while (1) {
+      __pyx_t_5 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_t_5, __pyx_v_new_offset, Py_LT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (!__pyx_t_6) break;
+
+      /* "numpy.pxd":813
+ *         # Output padding bytes
+ *         while offset[0] < new_offset:
+ *             f[0] = 120 # "x"; pad byte             # <<<<<<<<<<<<<<
+ *             f += 1
+ *             offset[0] += 1
+ */
+      (__pyx_v_f[0]) = 120;
+
+      /* "numpy.pxd":814
+ *         while offset[0] < new_offset:
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1             # <<<<<<<<<<<<<<
+ *             offset[0] += 1
+ * 
+ */
+      __pyx_v_f = (__pyx_v_f + 1);
+
+      /* "numpy.pxd":815
+ *             f[0] = 120 # "x"; pad byte
+ *             f += 1
+ *             offset[0] += 1             # <<<<<<<<<<<<<<
+ * 
+ *         offset[0] += child.itemsize
+ */
+      __pyx_t_10 = 0;
+      (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + 1);
+    }
+
+    /* "numpy.pxd":817
+ *             offset[0] += 1
+ * 
+ *         offset[0] += child.itemsize             # <<<<<<<<<<<<<<
+ * 
+ *         if not PyDataType_HASFIELDS(child):
+ */
+    __pyx_t_10 = 0;
+    (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + __pyx_v_child->elsize);
+
+    /* "numpy.pxd":819
+ *         offset[0] += child.itemsize
+ * 
+ *         if not PyDataType_HASFIELDS(child):             # <<<<<<<<<<<<<<
+ *             t = child.type_num
+ *             if end - f < 5:
+ */
+    __pyx_t_6 = (!PyDataType_HASFIELDS(__pyx_v_child));
+    if (__pyx_t_6) {
+
+      /* "numpy.pxd":820
+ * 
+ *         if not PyDataType_HASFIELDS(child):
+ *             t = child.type_num             # <<<<<<<<<<<<<<
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")
+ */
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_child->type_num); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 820; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_XDECREF(__pyx_v_t);
+      __pyx_v_t = __pyx_t_3;
+      __pyx_t_3 = 0;
+
+      /* "numpy.pxd":821
+ *         if not PyDataType_HASFIELDS(child):
+ *             t = child.type_num
+ *             if end - f < 5:             # <<<<<<<<<<<<<<
+ *                 raise RuntimeError(u"Format string allocated too short.")
+ * 
+ */
+      __pyx_t_6 = ((__pyx_v_end - __pyx_v_f) < 5);
+      if (__pyx_t_6) {
+
+        /* "numpy.pxd":822
+ *             t = child.type_num
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ */
+        __pyx_t_3 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_12), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        goto __pyx_L10;
+      }
+      __pyx_L10:;
+
+      /* "numpy.pxd":825
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_BYTE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 98;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":826
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_UBYTE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 66;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":827
+ *             if   t == NPY_BYTE:        f[0] =  98 #"b"
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_SHORT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 104;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":828
+ *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_USHORT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 72;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":829
+ *             elif t == NPY_SHORT:       f[0] = 104 #"h"
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_INT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 105;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":830
+ *             elif t == NPY_USHORT:      f[0] =  72 #"H"
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_UINT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 73;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":831
+ *             elif t == NPY_INT:         f[0] = 105 #"i"
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 108;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":832
+ *             elif t == NPY_UINT:        f[0] =  73 #"I"
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_ULONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 76;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":833
+ *             elif t == NPY_LONG:        f[0] = 108 #"l"
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONGLONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 113;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":834
+ *             elif t == NPY_ULONG:       f[0] = 76  #"L"
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_ULONGLONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 81;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":835
+ *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_FLOAT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 102;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":836
+ *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_DOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 100;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":837
+ *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_LONGDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 103;
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":838
+ *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_CFLOAT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 102;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":839
+ *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd             # <<<<<<<<<<<<<<
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_CDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 100;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":840
+ *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg             # <<<<<<<<<<<<<<
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ *             else:
+ */
+      __pyx_t_5 = PyInt_FromLong(NPY_CLONGDOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 90;
+        (__pyx_v_f[1]) = 103;
+        __pyx_v_f = (__pyx_v_f + 1);
+        goto __pyx_L11;
+      }
+
+      /* "numpy.pxd":841
+ *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
+ *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+      __pyx_t_3 = PyInt_FromLong(NPY_OBJECT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      if (__pyx_t_6) {
+        (__pyx_v_f[0]) = 79;
+        goto __pyx_L11;
+      }
+      /*else*/ {
+
+        /* "numpy.pxd":843
+ *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
+ *             f += 1
+ *         else:
+ */
+        __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_7), __pyx_v_t); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(((PyObject *)__pyx_t_5));
+        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_t_5));
+        __Pyx_GIVEREF(((PyObject *)__pyx_t_5));
+        __pyx_t_5 = 0;
+        __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+        __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+        {__pyx_filename = __pyx_f[1]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      __pyx_L11:;
+
+      /* "numpy.pxd":844
+ *             else:
+ *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ *             f += 1             # <<<<<<<<<<<<<<
+ *         else:
+ *             # Cython ignores struct boundary information ("T{...}"),
+ */
+      __pyx_v_f = (__pyx_v_f + 1);
+      goto __pyx_L9;
+    }
+    /*else*/ {
+
+      /* "numpy.pxd":848
+ *             # Cython ignores struct boundary information ("T{...}"),
+ *             # so don't output it
+ *             f = _util_dtypestring(child, f, end, offset)             # <<<<<<<<<<<<<<
+ *     return f
+ * 
+ */
+      __pyx_t_11 = __pyx_f_5numpy__util_dtypestring(__pyx_v_child, __pyx_v_f, __pyx_v_end, __pyx_v_offset); if (unlikely(__pyx_t_11 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_v_f = __pyx_t_11;
+    }
+    __pyx_L9:;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "numpy.pxd":849
+ *             # so don't output it
+ *             f = _util_dtypestring(child, f, end, offset)
+ *     return f             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  __pyx_r = __pyx_v_f;
+  goto __pyx_L0;
+
+  __pyx_r = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("numpy._util_dtypestring", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_child);
+  __Pyx_XDECREF(__pyx_v_fields);
+  __Pyx_XDECREF(__pyx_v_childname);
+  __Pyx_XDECREF(__pyx_v_new_offset);
+  __Pyx_XDECREF(__pyx_v_t);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "numpy.pxd":964
+ * 
+ * 
+ * cdef inline void set_array_base(ndarray arr, object base):             # <<<<<<<<<<<<<<
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ */
+
+static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_arr, PyObject *__pyx_v_base) {
+  PyObject *__pyx_v_baseptr;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("set_array_base", 0);
+
+  /* "numpy.pxd":966
+ * cdef inline void set_array_base(ndarray arr, object base):
+ *      cdef PyObject* baseptr
+ *      if base is None:             # <<<<<<<<<<<<<<
+ *          baseptr = NULL
+ *      else:
+ */
+  __pyx_t_1 = (__pyx_v_base == Py_None);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":967
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ *          baseptr = NULL             # <<<<<<<<<<<<<<
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!
+ */
+    __pyx_v_baseptr = NULL;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":969
+ *          baseptr = NULL
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!             # <<<<<<<<<<<<<<
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)
+ */
+    Py_INCREF(__pyx_v_base);
+
+    /* "numpy.pxd":970
+ *      else:
+ *          Py_INCREF(base) # important to do this before decref below!
+ *          baseptr = <PyObject*>base             # <<<<<<<<<<<<<<
+ *      Py_XDECREF(arr.base)
+ *      arr.base = baseptr
+ */
+    __pyx_v_baseptr = ((PyObject *)__pyx_v_base);
+  }
+  __pyx_L3:;
+
+  /* "numpy.pxd":971
+ *          Py_INCREF(base) # important to do this before decref below!
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)             # <<<<<<<<<<<<<<
+ *      arr.base = baseptr
+ * 
+ */
+  Py_XDECREF(__pyx_v_arr->base);
+
+  /* "numpy.pxd":972
+ *          baseptr = <PyObject*>base
+ *      Py_XDECREF(arr.base)
+ *      arr.base = baseptr             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline object get_array_base(ndarray arr):
+ */
+  __pyx_v_arr->base = __pyx_v_baseptr;
+
+  __Pyx_RefNannyFinishContext();
+}
+
+/* "numpy.pxd":974
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+
+static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__pyx_v_arr) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  __Pyx_RefNannySetupContext("get_array_base", 0);
+
+  /* "numpy.pxd":975
+ * 
+ * cdef inline object get_array_base(ndarray arr):
+ *     if arr.base is NULL:             # <<<<<<<<<<<<<<
+ *         return None
+ *     else:
+ */
+  __pyx_t_1 = (__pyx_v_arr->base == NULL);
+  if (__pyx_t_1) {
+
+    /* "numpy.pxd":976
+ * cdef inline object get_array_base(ndarray arr):
+ *     if arr.base is NULL:
+ *         return None             # <<<<<<<<<<<<<<
+ *     else:
+ *         return <object>arr.base
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(Py_None);
+    __pyx_r = Py_None;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  /*else*/ {
+
+    /* "numpy.pxd":978
+ *         return None
+ *     else:
+ *         return <object>arr.base             # <<<<<<<<<<<<<<
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __Pyx_INCREF(((PyObject *)__pyx_v_arr->base));
+    __pyx_r = ((PyObject *)__pyx_v_arr->base);
+    goto __pyx_L0;
+  }
+  __pyx_L3:;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_tp_new_5simpl_9synthesis_Synthesis(PyTypeObject *t, PyObject *a, PyObject *k) {
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  if (__pyx_pw_5simpl_9synthesis_9Synthesis_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+    Py_DECREF(o); o = 0;
+  }
+  return o;
+}
+
+static void __pyx_tp_dealloc_5simpl_9synthesis_Synthesis(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_5simpl_9synthesis_9Synthesis_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static PyObject *__pyx_getprop_5simpl_9synthesis_9Synthesis_sampling_rate(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_9synthesis_9Synthesis_13sampling_rate_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_9synthesis_9Synthesis_sampling_rate(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_9synthesis_9Synthesis_13sampling_rate_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_9synthesis_9Synthesis_frame_size(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_9synthesis_9Synthesis_10frame_size_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_9synthesis_9Synthesis_frame_size(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_9synthesis_9Synthesis_10frame_size_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_9synthesis_9Synthesis_hop_size(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_9synthesis_9Synthesis_8hop_size_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_9synthesis_9Synthesis_hop_size(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_9synthesis_9Synthesis_8hop_size_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_5simpl_9synthesis_9Synthesis_max_partials(PyObject *o, void *x) {
+  return __pyx_pw_5simpl_9synthesis_9Synthesis_12max_partials_1__get__(o);
+}
+
+static int __pyx_setprop_5simpl_9synthesis_9Synthesis_max_partials(PyObject *o, PyObject *v, void *x) {
+  if (v) {
+    return __pyx_pw_5simpl_9synthesis_9Synthesis_12max_partials_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyMethodDef __pyx_methods_5simpl_9synthesis_Synthesis[] = {
+  {__Pyx_NAMESTR("synth_frame"), (PyCFunction)__pyx_pw_5simpl_9synthesis_9Synthesis_5synth_frame, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("synth"), (PyCFunction)__pyx_pw_5simpl_9synthesis_9Synthesis_7synth, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_5simpl_9synthesis_Synthesis[] = {
+  {(char *)"sampling_rate", __pyx_getprop_5simpl_9synthesis_9Synthesis_sampling_rate, __pyx_setprop_5simpl_9synthesis_9Synthesis_sampling_rate, 0, 0},
+  {(char *)"frame_size", __pyx_getprop_5simpl_9synthesis_9Synthesis_frame_size, __pyx_setprop_5simpl_9synthesis_9Synthesis_frame_size, 0, 0},
+  {(char *)"hop_size", __pyx_getprop_5simpl_9synthesis_9Synthesis_hop_size, __pyx_setprop_5simpl_9synthesis_9Synthesis_hop_size, 0, 0},
+  {(char *)"max_partials", __pyx_getprop_5simpl_9synthesis_9Synthesis_max_partials, __pyx_setprop_5simpl_9synthesis_9Synthesis_max_partials, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Synthesis = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Synthesis = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Synthesis = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Synthesis = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_5simpl_9synthesis_Synthesis = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("simpl.synthesis.Synthesis"), /*tp_name*/
+  sizeof(struct __pyx_obj_5simpl_9synthesis_Synthesis), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_5simpl_9synthesis_Synthesis, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Synthesis, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Synthesis, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Synthesis, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Synthesis, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  0, /*tp_doc*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_5simpl_9synthesis_Synthesis, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_5simpl_9synthesis_Synthesis, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_5simpl_9synthesis_Synthesis, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyMethodDef __pyx_methods[] = {
+  {0, 0, 0, 0}
+};
+
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef __pyx_moduledef = {
+    PyModuleDef_HEAD_INIT,
+    __Pyx_NAMESTR("synthesis"),
+    0, /* m_doc */
+    -1, /* m_size */
+    __pyx_methods /* m_methods */,
+    NULL, /* m_reload */
+    NULL, /* m_traverse */
+    NULL, /* m_clear */
+    NULL /* m_free */
+};
+#endif
+
+static __Pyx_StringTabEntry __pyx_string_tab[] = {
+  {&__pyx_kp_u_1, __pyx_k_1, sizeof(__pyx_k_1), 0, 1, 0, 0},
+  {&__pyx_kp_u_11, __pyx_k_11, sizeof(__pyx_k_11), 0, 1, 0, 0},
+  {&__pyx_kp_u_3, __pyx_k_3, sizeof(__pyx_k_3), 0, 1, 0, 0},
+  {&__pyx_kp_u_5, __pyx_k_5, sizeof(__pyx_k_5), 0, 1, 0, 0},
+  {&__pyx_kp_u_7, __pyx_k_7, sizeof(__pyx_k_7), 0, 1, 0, 0},
+  {&__pyx_kp_u_8, __pyx_k_8, sizeof(__pyx_k_8), 0, 1, 0, 0},
+  {&__pyx_n_s__RuntimeError, __pyx_k__RuntimeError, sizeof(__pyx_k__RuntimeError), 0, 0, 1, 1},
+  {&__pyx_n_s__ValueError, __pyx_k__ValueError, sizeof(__pyx_k__ValueError), 0, 0, 1, 1},
+  {&__pyx_n_s____main__, __pyx_k____main__, sizeof(__pyx_k____main__), 0, 0, 1, 1},
+  {&__pyx_n_s____test__, __pyx_k____test__, sizeof(__pyx_k____test__), 0, 0, 1, 1},
+  {&__pyx_n_s__audio, __pyx_k__audio, sizeof(__pyx_k__audio), 0, 0, 1, 1},
+  {&__pyx_n_s__np, __pyx_k__np, sizeof(__pyx_k__np), 0, 0, 1, 1},
+  {&__pyx_n_s__numpy, __pyx_k__numpy, sizeof(__pyx_k__numpy), 0, 0, 1, 1},
+  {&__pyx_n_s__range, __pyx_k__range, sizeof(__pyx_k__range), 0, 0, 1, 1},
+  {&__pyx_n_s__zeros, __pyx_k__zeros, sizeof(__pyx_k__zeros), 0, 0, 1, 1},
+  {0, 0, 0, 0, 0, 0, 0}
+};
+static int __Pyx_InitCachedBuiltins(void) {
+  __pyx_builtin_range = __Pyx_GetName(__pyx_b, __pyx_n_s__range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_RuntimeError = __Pyx_GetName(__pyx_b, __pyx_n_s__RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+static int __Pyx_InitCachedConstants(void) {
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
+
+  /* "numpy.pxd":214
+ *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ */
+  __pyx_k_tuple_2 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_2)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_2);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_1));
+  PyTuple_SET_ITEM(__pyx_k_tuple_2, 0, ((PyObject *)__pyx_kp_u_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_2));
+
+  /* "numpy.pxd":218
+ *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
+ *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
+ *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
+ * 
+ *             info.buf = PyArray_DATA(self)
+ */
+  __pyx_k_tuple_4 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_4);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_3));
+  PyTuple_SET_ITEM(__pyx_k_tuple_4, 0, ((PyObject *)__pyx_kp_u_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_4));
+
+  /* "numpy.pxd":256
+ *                 if ((descr.byteorder == '>' and little_endian) or
+ *                     (descr.byteorder == '<' and not little_endian)):
+ *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *                 if   t == NPY_BYTE:        f = "b"
+ *                 elif t == NPY_UBYTE:       f = "B"
+ */
+  __pyx_k_tuple_6 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_6)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_6);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_5));
+  PyTuple_SET_ITEM(__pyx_k_tuple_6, 0, ((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_6));
+
+  /* "numpy.pxd":798
+ * 
+ *         if (end - f) - (new_offset - offset[0]) < 15:
+ *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
+ * 
+ *         if ((child.byteorder == '>' and little_endian) or
+ */
+  __pyx_k_tuple_9 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_9)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_9);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_8));
+  PyTuple_SET_ITEM(__pyx_k_tuple_9, 0, ((PyObject *)__pyx_kp_u_8));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_8));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_9));
+
+  /* "numpy.pxd":802
+ *         if ((child.byteorder == '>' and little_endian) or
+ *             (child.byteorder == '<' and not little_endian)):
+ *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
+ *             # One could encode it in the format string and have Cython
+ *             # complain instead, BUT: < and > in format strings also imply
+ */
+  __pyx_k_tuple_10 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_10)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_10);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_5));
+  PyTuple_SET_ITEM(__pyx_k_tuple_10, 0, ((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_5));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_10));
+
+  /* "numpy.pxd":822
+ *             t = child.type_num
+ *             if end - f < 5:
+ *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
+ * 
+ *             # Until ticket #99 is fixed, use integers to avoid warnings
+ */
+  __pyx_k_tuple_12 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_12)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_12);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_u_11));
+  PyTuple_SET_ITEM(__pyx_k_tuple_12, 0, ((PyObject *)__pyx_kp_u_11));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_u_11));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_12));
+  __Pyx_RefNannyFinishContext();
+  return 0;
+  __pyx_L1_error:;
+  __Pyx_RefNannyFinishContext();
+  return -1;
+}
+
+static int __Pyx_InitGlobals(void) {
+  if (__Pyx_InitStrings(__pyx_string_tab) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  __pyx_int_15 = PyInt_FromLong(15); if (unlikely(!__pyx_int_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+#if PY_MAJOR_VERSION < 3
+PyMODINIT_FUNC initsynthesis(void); /*proto*/
+PyMODINIT_FUNC initsynthesis(void)
+#else
+PyMODINIT_FUNC PyInit_synthesis(void); /*proto*/
+PyMODINIT_FUNC PyInit_synthesis(void)
+#endif
+{
+  PyObject *__pyx_t_1 = NULL;
+  __Pyx_RefNannyDeclarations
+  #if CYTHON_REFNANNY
+  __Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
+  if (!__Pyx_RefNanny) {
+      PyErr_Clear();
+      __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny");
+      if (!__Pyx_RefNanny)
+          Py_FatalError("failed to import 'refnanny' module");
+  }
+  #endif
+  __Pyx_RefNannySetupContext("PyMODINIT_FUNC PyInit_synthesis(void)", 0);
+  if ( __Pyx_check_binary_version() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #ifdef __Pyx_CyFunction_USED
+  if (__Pyx_CyFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  #ifdef __Pyx_FusedFunction_USED
+  if (__pyx_FusedFunction_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  #ifdef __Pyx_Generator_USED
+  if (__pyx_Generator_init() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
+  /*--- Library function declarations ---*/
+  /*--- Threads initialization code ---*/
+  #if defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS
+  #ifdef WITH_THREAD /* Python build with threading support? */
+  PyEval_InitThreads();
+  #endif
+  #endif
+  /*--- Module creation code ---*/
+  #if PY_MAJOR_VERSION < 3
+  __pyx_m = Py_InitModule4(__Pyx_NAMESTR("synthesis"), __pyx_methods, 0, 0, PYTHON_API_VERSION);
+  #else
+  __pyx_m = PyModule_Create(&__pyx_moduledef);
+  #endif
+  if (!__pyx_m) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  #if PY_MAJOR_VERSION < 3
+  Py_INCREF(__pyx_m);
+  #endif
+  __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME));
+  if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  if (__Pyx_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  /*--- Initialize various global constants etc. ---*/
+  if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__pyx_module_is_main_simpl__synthesis) {
+    if (__Pyx_SetAttrString(__pyx_m, "__name__", __pyx_n_s____main__) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  }
+  /*--- Builtin init code ---*/
+  if (unlikely(__Pyx_InitCachedBuiltins() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Constants init code ---*/
+  if (unlikely(__Pyx_InitCachedConstants() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Global init code ---*/
+  /*--- Variable export code ---*/
+  /*--- Function export code ---*/
+  /*--- Type init code ---*/
+  if (PyType_Ready(&__pyx_type_5simpl_9synthesis_Synthesis) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 12; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Synthesis", (PyObject *)&__pyx_type_5simpl_9synthesis_Synthesis) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 12; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_9synthesis_Synthesis = &__pyx_type_5simpl_9synthesis_Synthesis;
+  /*--- Type import code ---*/
+  __pyx_ptype_5numpy_dtype = __Pyx_ImportType("numpy", "dtype", sizeof(PyArray_Descr), 0); if (unlikely(!__pyx_ptype_5numpy_dtype)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 154; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_flatiter = __Pyx_ImportType("numpy", "flatiter", sizeof(PyArrayIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_flatiter)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_broadcast = __Pyx_ImportType("numpy", "broadcast", sizeof(PyArrayMultiIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_broadcast)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_ndarray = __Pyx_ImportType("numpy", "ndarray", sizeof(PyArrayObject), 0); if (unlikely(!__pyx_ptype_5numpy_ndarray)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5numpy_ufunc = __Pyx_ImportType("numpy", "ufunc", sizeof(PyUFuncObject), 0); if (unlikely(!__pyx_ptype_5numpy_ufunc)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_4base_Peak = __Pyx_ImportType("simpl.base", "Peak", sizeof(struct __pyx_obj_5simpl_4base_Peak), 1); if (unlikely(!__pyx_ptype_5simpl_4base_Peak)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_5simpl_4base_Peak = (struct __pyx_vtabstruct_5simpl_4base_Peak*)__Pyx_GetVtable(__pyx_ptype_5simpl_4base_Peak->tp_dict); if (unlikely(!__pyx_vtabptr_5simpl_4base_Peak)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_5simpl_4base_Frame = __Pyx_ImportType("simpl.base", "Frame", sizeof(struct __pyx_obj_5simpl_4base_Frame), 1); if (unlikely(!__pyx_ptype_5simpl_4base_Frame)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_vtabptr_5simpl_4base_Frame = (struct __pyx_vtabstruct_5simpl_4base_Frame*)__Pyx_GetVtable(__pyx_ptype_5simpl_4base_Frame->tp_dict); if (unlikely(!__pyx_vtabptr_5simpl_4base_Frame)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 17; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Variable import code ---*/
+  /*--- Function import code ---*/
+  /*--- Execution code ---*/
+
+  /* "simpl/synthesis.pyx":1
+ * import numpy as np             # <<<<<<<<<<<<<<
+ * cimport numpy as np
+ * np.import_array()
+ */
+  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__numpy), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__np, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "simpl/synthesis.pyx":3
+ * import numpy as np
+ * cimport numpy as np
+ * np.import_array()             # <<<<<<<<<<<<<<
+ * from libcpp.vector cimport vector
+ * 
+ */
+  import_array();
+
+  /* "simpl/synthesis.pyx":1
+ * import numpy as np             # <<<<<<<<<<<<<<
+ * cimport numpy as np
+ * np.import_array()
+ */
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_1)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+
+  /* "numpy.pxd":974
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  if (__pyx_m) {
+    __Pyx_AddTraceback("init simpl.synthesis", __pyx_clineno, __pyx_lineno, __pyx_filename);
+    Py_DECREF(__pyx_m); __pyx_m = 0;
+  } else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_ImportError, "init simpl.synthesis");
+  }
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  #if PY_MAJOR_VERSION < 3
+  return;
+  #else
+  return __pyx_m;
+  #endif
+}
+
+/* Runtime support code */
+#if CYTHON_REFNANNY
+static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
+    PyObject *m = NULL, *p = NULL;
+    void *r = NULL;
+    m = PyImport_ImportModule((char *)modname);
+    if (!m) goto end;
+    p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
+    if (!p) goto end;
+    r = PyLong_AsVoidPtr(p);
+end:
+    Py_XDECREF(p);
+    Py_XDECREF(m);
+    return (__Pyx_RefNannyAPIStruct *)r;
+}
+#endif /* CYTHON_REFNANNY */
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name) {
+    PyObject *result;
+    result = PyObject_GetAttr(dict, name);
+    if (!result) {
+        if (dict != __pyx_b) {
+            PyErr_Clear();
+            result = PyObject_GetAttr(__pyx_b, name);
+        }
+        if (!result) {
+            PyErr_SetObject(PyExc_NameError, name);
+        }
+    }
+    return result;
+}
+
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
+    PyObject *kwdict,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+    while (PyDict_Next(kwdict, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
+        #else
+        if (unlikely(!PyUnicode_Check(key)))
+        #endif
+            goto invalid_keyword_type;
+    }
+    if ((!kw_allowed) && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%s() keywords must be strings", function_name);
+    return 0;
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%s() got an unexpected keyword argument '%s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
+static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact)
+{
+    if (!type) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (none_allowed && obj == Py_None) return 1;
+    else if (exact) {
+        if (Py_TYPE(obj) == type) return 1;
+    }
+    else {
+        if (PyObject_TypeCheck(obj, type)) return 1;
+    }
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%s' has incorrect type (expected %s, got %s)",
+        name, type->tp_name, Py_TYPE(obj)->tp_name);
+    return 0;
+}
+
+static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    if (unlikely(!type)) {
+        PyErr_Format(PyExc_SystemError, "Missing type object");
+        return 0;
+    }
+    if (likely(PyObject_TypeCheck(obj, type)))
+        return 1;
+    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
+                 Py_TYPE(obj)->tp_name, type->tp_name);
+    return 0;
+}
+
+static CYTHON_INLINE int __Pyx_IsLittleEndian(void) {
+  unsigned int n = 1;
+  return *(unsigned char*)(&n) != 0;
+}
+static void __Pyx_BufFmt_Init(__Pyx_BufFmt_Context* ctx,
+                              __Pyx_BufFmt_StackElem* stack,
+                              __Pyx_TypeInfo* type) {
+  stack[0].field = &ctx->root;
+  stack[0].parent_offset = 0;
+  ctx->root.type = type;
+  ctx->root.name = "buffer dtype";
+  ctx->root.offset = 0;
+  ctx->head = stack;
+  ctx->head->field = &ctx->root;
+  ctx->fmt_offset = 0;
+  ctx->head->parent_offset = 0;
+  ctx->new_packmode = '@';
+  ctx->enc_packmode = '@';
+  ctx->new_count = 1;
+  ctx->enc_count = 0;
+  ctx->enc_type = 0;
+  ctx->is_complex = 0;
+  ctx->is_valid_array = 0;
+  ctx->struct_alignment = 0;
+  while (type->typegroup == 'S') {
+    ++ctx->head;
+    ctx->head->field = type->fields;
+    ctx->head->parent_offset = 0;
+    type = type->fields->type;
+  }
+}
+static int __Pyx_BufFmt_ParseNumber(const char** ts) {
+    int count;
+    const char* t = *ts;
+    if (*t < '0' || *t > '9') {
+      return -1;
+    } else {
+        count = *t++ - '0';
+        while (*t >= '0' && *t < '9') {
+            count *= 10;
+            count += *t++ - '0';
+        }
+    }
+    *ts = t;
+    return count;
+}
+static int __Pyx_BufFmt_ExpectNumber(const char **ts) {
+    int number = __Pyx_BufFmt_ParseNumber(ts);
+    if (number == -1) /* First char was not a digit */
+        PyErr_Format(PyExc_ValueError,\
+                     "Does not understand character buffer dtype format string ('%c')", **ts);
+    return number;
+}
+static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) {
+  PyErr_Format(PyExc_ValueError,
+               "Unexpected format string character: '%c'", ch);
+}
+static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
+  switch (ch) {
+    case 'b': return "'char'";
+    case 'B': return "'unsigned char'";
+    case 'h': return "'short'";
+    case 'H': return "'unsigned short'";
+    case 'i': return "'int'";
+    case 'I': return "'unsigned int'";
+    case 'l': return "'long'";
+    case 'L': return "'unsigned long'";
+    case 'q': return "'long long'";
+    case 'Q': return "'unsigned long long'";
+    case 'f': return (is_complex ? "'complex float'" : "'float'");
+    case 'd': return (is_complex ? "'complex double'" : "'double'");
+    case 'g': return (is_complex ? "'complex long double'" : "'long double'");
+    case 'T': return "a struct";
+    case 'O': return "Python object";
+    case 'P': return "a pointer";
+    case 's': case 'p': return "a string";
+    case 0: return "end";
+    default: return "unparseable format string";
+  }
+}
+static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return 2;
+    case 'i': case 'I': case 'l': case 'L': return 4;
+    case 'q': case 'Q': return 8;
+    case 'f': return (is_complex ? 8 : 4);
+    case 'd': return (is_complex ? 16 : 8);
+    case 'g': {
+      PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g')..");
+      return 0;
+    }
+    case 'O': case 'P': return sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) {
+  switch (ch) {
+    case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(short);
+    case 'i': case 'I': return sizeof(int);
+    case 'l': case 'L': return sizeof(long);
+    #ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(PY_LONG_LONG);
+    #endif
+    case 'f': return sizeof(float) * (is_complex ? 2 : 1);
+    case 'd': return sizeof(double) * (is_complex ? 2 : 1);
+    case 'g': return sizeof(long double) * (is_complex ? 2 : 1);
+    case 'O': case 'P': return sizeof(void*);
+    default: {
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+  }
+}
+typedef struct { char c; short x; } __Pyx_st_short;
+typedef struct { char c; int x; } __Pyx_st_int;
+typedef struct { char c; long x; } __Pyx_st_long;
+typedef struct { char c; float x; } __Pyx_st_float;
+typedef struct { char c; double x; } __Pyx_st_double;
+typedef struct { char c; long double x; } __Pyx_st_longdouble;
+typedef struct { char c; void *x; } __Pyx_st_void_p;
+#ifdef HAVE_LONG_LONG
+typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
+#endif
+static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
+    case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int);
+    case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long);
+#ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG);
+#endif
+    case 'f': return sizeof(__Pyx_st_float) - sizeof(float);
+    case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
+    case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double);
+    case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+/* These are for computing the padding at the end of the struct to align
+   on the first member of the struct. This will probably the same as above,
+   but we don't have any guarantees.
+ */
+typedef struct { short x; char c; } __Pyx_pad_short;
+typedef struct { int x; char c; } __Pyx_pad_int;
+typedef struct { long x; char c; } __Pyx_pad_long;
+typedef struct { float x; char c; } __Pyx_pad_float;
+typedef struct { double x; char c; } __Pyx_pad_double;
+typedef struct { long double x; char c; } __Pyx_pad_longdouble;
+typedef struct { void *x; char c; } __Pyx_pad_void_p;
+#ifdef HAVE_LONG_LONG
+typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
+#endif
+static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, int is_complex) {
+  switch (ch) {
+    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
+    case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
+    case 'i': case 'I': return sizeof(__Pyx_pad_int) - sizeof(int);
+    case 'l': case 'L': return sizeof(__Pyx_pad_long) - sizeof(long);
+#ifdef HAVE_LONG_LONG
+    case 'q': case 'Q': return sizeof(__Pyx_pad_longlong) - sizeof(PY_LONG_LONG);
+#endif
+    case 'f': return sizeof(__Pyx_pad_float) - sizeof(float);
+    case 'd': return sizeof(__Pyx_pad_double) - sizeof(double);
+    case 'g': return sizeof(__Pyx_pad_longdouble) - sizeof(long double);
+    case 'P': case 'O': return sizeof(__Pyx_pad_void_p) - sizeof(void*);
+    default:
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+}
+static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
+  switch (ch) {
+    case 'c': case 'b': case 'h': case 'i':
+    case 'l': case 'q': case 's': case 'p':
+        return 'I';
+    case 'B': case 'H': case 'I': case 'L': case 'Q':
+        return 'U';
+    case 'f': case 'd': case 'g':
+        return (is_complex ? 'C' : 'R');
+    case 'O':
+        return 'O';
+    case 'P':
+        return 'P';
+    default: {
+      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
+      return 0;
+    }
+  }
+}
+static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) {
+  if (ctx->head == NULL || ctx->head->field == &ctx->root) {
+    const char* expected;
+    const char* quote;
+    if (ctx->head == NULL) {
+      expected = "end";
+      quote = "";
+    } else {
+      expected = ctx->head->field->type->name;
+      quote = "'";
+    }
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer dtype mismatch, expected %s%s%s but got %s",
+                 quote, expected, quote,
+                 __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex));
+  } else {
+    __Pyx_StructField* field = ctx->head->field;
+    __Pyx_StructField* parent = (ctx->head - 1)->field;
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'",
+                 field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex),
+                 parent->type->name, field->name);
+  }
+}
+static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
+  char group;
+  size_t size, offset, arraysize = 1;
+  if (ctx->enc_type == 0) return 0;
+  if (ctx->head->field->type->arraysize[0]) {
+    int i, ndim = 0;
+    if (ctx->enc_type == 's' || ctx->enc_type == 'p') {
+        ctx->is_valid_array = ctx->head->field->type->ndim == 1;
+        ndim = 1;
+        if (ctx->enc_count != ctx->head->field->type->arraysize[0]) {
+            PyErr_Format(PyExc_ValueError,
+                         "Expected a dimension of size %zu, got %zu",
+                         ctx->head->field->type->arraysize[0], ctx->enc_count);
+            return -1;
+        }
+    }
+    if (!ctx->is_valid_array) {
+      PyErr_Format(PyExc_ValueError, "Expected %d dimensions, got %d",
+                   ctx->head->field->type->ndim, ndim);
+      return -1;
+    }
+    for (i = 0; i < ctx->head->field->type->ndim; i++) {
+      arraysize *= ctx->head->field->type->arraysize[i];
+    }
+    ctx->is_valid_array = 0;
+    ctx->enc_count = 1;
+  }
+  group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex);
+  do {
+    __Pyx_StructField* field = ctx->head->field;
+    __Pyx_TypeInfo* type = field->type;
+    if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') {
+      size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex);
+    } else {
+      size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex);
+    }
+    if (ctx->enc_packmode == '@') {
+      size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex);
+      size_t align_mod_offset;
+      if (align_at == 0) return -1;
+      align_mod_offset = ctx->fmt_offset % align_at;
+      if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset;
+      if (ctx->struct_alignment == 0)
+          ctx->struct_alignment = __Pyx_BufFmt_TypeCharToPadding(ctx->enc_type,
+                                                                 ctx->is_complex);
+    }
+    if (type->size != size || type->typegroup != group) {
+      if (type->typegroup == 'C' && type->fields != NULL) {
+        size_t parent_offset = ctx->head->parent_offset + field->offset;
+        ++ctx->head;
+        ctx->head->field = type->fields;
+        ctx->head->parent_offset = parent_offset;
+        continue;
+      }
+      __Pyx_BufFmt_RaiseExpected(ctx);
+      return -1;
+    }
+    offset = ctx->head->parent_offset + field->offset;
+    if (ctx->fmt_offset != offset) {
+      PyErr_Format(PyExc_ValueError,
+                   "Buffer dtype mismatch; next field is at offset %"PY_FORMAT_SIZE_T"d but %"PY_FORMAT_SIZE_T"d expected",
+                   (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
+      return -1;
+    }
+    ctx->fmt_offset += size;
+    if (arraysize)
+      ctx->fmt_offset += (arraysize - 1) * size;
+    --ctx->enc_count; /* Consume from buffer string */
+    while (1) {
+      if (field == &ctx->root) {
+        ctx->head = NULL;
+        if (ctx->enc_count != 0) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return -1;
+        }
+        break; /* breaks both loops as ctx->enc_count == 0 */
+      }
+      ctx->head->field = ++field;
+      if (field->type == NULL) {
+        --ctx->head;
+        field = ctx->head->field;
+        continue;
+      } else if (field->type->typegroup == 'S') {
+        size_t parent_offset = ctx->head->parent_offset + field->offset;
+        if (field->type->fields->type == NULL) continue; /* empty struct */
+        field = field->type->fields;
+        ++ctx->head;
+        ctx->head->field = field;
+        ctx->head->parent_offset = parent_offset;
+        break;
+      } else {
+        break;
+      }
+    }
+  } while (ctx->enc_count);
+  ctx->enc_type = 0;
+  ctx->is_complex = 0;
+  return 0;
+}
+static CYTHON_INLINE PyObject *
+__pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
+{
+    const char *ts = *tsp;
+    int i = 0, number;
+    int ndim = ctx->head->field->type->ndim;
+;
+    ++ts;
+    if (ctx->new_count != 1) {
+        PyErr_SetString(PyExc_ValueError,
+                        "Cannot handle repeated arrays in format string");
+        return NULL;
+    }
+    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+    while (*ts && *ts != ')') {
+        if (isspace(*ts))
+            continue;
+        number = __Pyx_BufFmt_ExpectNumber(&ts);
+        if (number == -1) return NULL;
+        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
+            return PyErr_Format(PyExc_ValueError,
+                        "Expected a dimension of size %zu, got %d",
+                        ctx->head->field->type->arraysize[i], number);
+        if (*ts != ',' && *ts != ')')
+            return PyErr_Format(PyExc_ValueError,
+                                "Expected a comma in format string, got '%c'", *ts);
+        if (*ts == ',') ts++;
+        i++;
+    }
+    if (i != ndim)
+        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
+                            ctx->head->field->type->ndim, i);
+    if (!*ts) {
+        PyErr_SetString(PyExc_ValueError,
+                        "Unexpected end of format string, expected ')'");
+        return NULL;
+    }
+    ctx->is_valid_array = 1;
+    ctx->new_count = 1;
+    *tsp = ++ts;
+    return Py_None;
+}
+static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
+  int got_Z = 0;
+  while (1) {
+    switch(*ts) {
+      case 0:
+        if (ctx->enc_type != 0 && ctx->head == NULL) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return NULL;
+        }
+        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+        if (ctx->head != NULL) {
+          __Pyx_BufFmt_RaiseExpected(ctx);
+          return NULL;
+        }
+                return ts;
+      case ' ':
+      case 10:
+      case 13:
+        ++ts;
+        break;
+      case '<':
+        if (!__Pyx_IsLittleEndian()) {
+          PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler");
+          return NULL;
+        }
+        ctx->new_packmode = '=';
+        ++ts;
+        break;
+      case '>':
+      case '!':
+        if (__Pyx_IsLittleEndian()) {
+          PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler");
+          return NULL;
+        }
+        ctx->new_packmode = '=';
+        ++ts;
+        break;
+      case '=':
+      case '@':
+      case '^':
+        ctx->new_packmode = *ts++;
+        break;
+      case 'T': /* substruct */
+        {
+          const char* ts_after_sub;
+          size_t i, struct_count = ctx->new_count;
+          size_t struct_alignment = ctx->struct_alignment;
+          ctx->new_count = 1;
+          ++ts;
+          if (*ts != '{') {
+            PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
+            return NULL;
+          }
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_type = 0; /* Erase processed last struct element */
+          ctx->enc_count = 0;
+          ctx->struct_alignment = 0;
+          ++ts;
+          ts_after_sub = ts;
+          for (i = 0; i != struct_count; ++i) {
+            ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts);
+            if (!ts_after_sub) return NULL;
+          }
+          ts = ts_after_sub;
+          if (struct_alignment) ctx->struct_alignment = struct_alignment;
+        }
+        break;
+      case '}': /* end of substruct; either repeat or move on */
+        {
+          size_t alignment = ctx->struct_alignment;
+          ++ts;
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_type = 0; /* Erase processed last struct element */
+          if (alignment && ctx->fmt_offset % alignment) {
+            ctx->fmt_offset += alignment - (ctx->fmt_offset % alignment);
+          }
+        }
+        return ts;
+      case 'x':
+        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+        ctx->fmt_offset += ctx->new_count;
+        ctx->new_count = 1;
+        ctx->enc_count = 0;
+        ctx->enc_type = 0;
+        ctx->enc_packmode = ctx->new_packmode;
+        ++ts;
+        break;
+      case 'Z':
+        got_Z = 1;
+        ++ts;
+        if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
+          __Pyx_BufFmt_RaiseUnexpectedChar('Z');
+          return NULL;
+        }        /* fall through */
+      case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
+      case 'l': case 'L': case 'q': case 'Q':
+      case 'f': case 'd': case 'g':
+      case 'O': case 's': case 'p':
+        if (ctx->enc_type == *ts && got_Z == ctx->is_complex &&
+            ctx->enc_packmode == ctx->new_packmode) {
+          ctx->enc_count += ctx->new_count;
+        } else {
+          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+          ctx->enc_count = ctx->new_count;
+          ctx->enc_packmode = ctx->new_packmode;
+          ctx->enc_type = *ts;
+          ctx->is_complex = got_Z;
+        }
+        ++ts;
+        ctx->new_count = 1;
+        got_Z = 0;
+        break;
+      case ':':
+        ++ts;
+        while(*ts != ':') ++ts;
+        ++ts;
+        break;
+      case '(':
+        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
+        break;
+      default:
+        {
+          int number = __Pyx_BufFmt_ExpectNumber(&ts);
+          if (number == -1) return NULL;
+          ctx->new_count = (size_t)number;
+        }
+    }
+  }
+}
+static CYTHON_INLINE void __Pyx_ZeroBuffer(Py_buffer* buf) {
+  buf->buf = NULL;
+  buf->obj = NULL;
+  buf->strides = __Pyx_zeros;
+  buf->shape = __Pyx_zeros;
+  buf->suboffsets = __Pyx_minusones;
+}
+static CYTHON_INLINE int __Pyx_GetBufferAndValidate(
+        Py_buffer* buf, PyObject* obj,  __Pyx_TypeInfo* dtype, int flags,
+        int nd, int cast, __Pyx_BufFmt_StackElem* stack)
+{
+  if (obj == Py_None || obj == NULL) {
+    __Pyx_ZeroBuffer(buf);
+    return 0;
+  }
+  buf->buf = NULL;
+  if (__Pyx_GetBuffer(obj, buf, flags) == -1) goto fail;
+  if (buf->ndim != nd) {
+    PyErr_Format(PyExc_ValueError,
+                 "Buffer has wrong number of dimensions (expected %d, got %d)",
+                 nd, buf->ndim);
+    goto fail;
+  }
+  if (!cast) {
+    __Pyx_BufFmt_Context ctx;
+    __Pyx_BufFmt_Init(&ctx, stack, dtype);
+    if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail;
+  }
+  if ((unsigned)buf->itemsize != dtype->size) {
+    PyErr_Format(PyExc_ValueError,
+      "Item size of buffer (%"PY_FORMAT_SIZE_T"d byte%s) does not match size of '%s' (%"PY_FORMAT_SIZE_T"d byte%s)",
+      buf->itemsize, (buf->itemsize > 1) ? "s" : "",
+      dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : "");
+    goto fail;
+  }
+  if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones;
+  return 0;
+fail:;
+  __Pyx_ZeroBuffer(buf);
+  return -1;
+}
+static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
+  if (info->buf == NULL) return;
+  if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL;
+  __Pyx_ReleaseBuffer(info);
+}
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    tmp_type = tstate->curexc_type;
+    tmp_value = tstate->curexc_value;
+    tmp_tb = tstate->curexc_traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_Restore(type, value, tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(type, value, tb);
+#endif
+}
+
+#if PY_MAJOR_VERSION < 3
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
+                        CYTHON_UNUSED PyObject *cause) {
+    Py_XINCREF(type);
+    Py_XINCREF(value);
+    Py_XINCREF(tb);
+    if (tb == Py_None) {
+        Py_DECREF(tb);
+        tb = 0;
+    }
+    else if (tb != NULL && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto raise_error;
+    }
+    if (value == NULL) {
+        value = Py_None;
+        Py_INCREF(value);
+    }
+    #if PY_VERSION_HEX < 0x02050000
+    if (!PyClass_Check(type))
+    #else
+    if (!PyType_Check(type))
+    #endif
+    {
+        if (value != Py_None) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto raise_error;
+        }
+        Py_DECREF(value);
+        value = type;
+        #if PY_VERSION_HEX < 0x02050000
+            if (PyInstance_Check(type)) {
+                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
+                Py_INCREF(type);
+            }
+            else {
+                type = 0;
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception must be an old-style class or instance");
+                goto raise_error;
+            }
+        #else
+            type = (PyObject*) Py_TYPE(type);
+            Py_INCREF(type);
+            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception class must be a subclass of BaseException");
+                goto raise_error;
+            }
+        #endif
+    }
+    __Pyx_ErrRestore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
+}
+#else /* Python 3+ */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (!PyExceptionClass_Check(type)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+    if (cause) {
+        PyObject *fixed_cause;
+        if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        }
+        else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        }
+        else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        if (!value) {
+            value = PyObject_CallObject(type, NULL);
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+        PyThreadState *tstate = PyThreadState_GET();
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+    }
+bad:
+    return;
+}
+#endif
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    PyErr_Format(PyExc_ValueError,
+                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
+                 index, (index == 1) ? "" : "s");
+}
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+}
+
+static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
+    if (t == Py_None) {
+      __Pyx_RaiseNoneNotIterableError();
+    } else if (PyTuple_GET_SIZE(t) < index) {
+      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
+    } else {
+      __Pyx_RaiseTooManyValuesError(index);
+    }
+}
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
+    PyObject *py_import = 0;
+    PyObject *empty_list = 0;
+    PyObject *module = 0;
+    PyObject *global_dict = 0;
+    PyObject *empty_dict = 0;
+    PyObject *list;
+    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
+    if (!py_import)
+        goto bad;
+    if (from_list)
+        list = from_list;
+    else {
+        empty_list = PyList_New(0);
+        if (!empty_list)
+            goto bad;
+        list = empty_list;
+    }
+    global_dict = PyModule_GetDict(__pyx_m);
+    if (!global_dict)
+        goto bad;
+    empty_dict = PyDict_New();
+    if (!empty_dict)
+        goto bad;
+    #if PY_VERSION_HEX >= 0x02050000
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.')) {
+                /* try package relative import first */
+                PyObject *py_level = PyInt_FromLong(1);
+                if (!py_level)
+                    goto bad;
+                module = PyObject_CallFunctionObjArgs(py_import,
+                    name, global_dict, empty_dict, list, py_level, NULL);
+                Py_DECREF(py_level);
+                if (!module) {
+                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0; /* try absolute import on failure */
+        }
+        #endif
+        if (!module) {
+            PyObject *py_level = PyInt_FromLong(level);
+            if (!py_level)
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, global_dict, empty_dict, list, py_level, NULL);
+            Py_DECREF(py_level);
+        }
+    }
+    #else
+    if (level>0) {
+        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
+        goto bad;
+    }
+    module = PyObject_CallFunctionObjArgs(py_import,
+        name, global_dict, empty_dict, list, NULL);
+    #endif
+bad:
+    Py_XDECREF(empty_list);
+    Py_XDECREF(py_import);
+    Py_XDECREF(empty_dict);
+    return module;
+}
+
+static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name) {
+#if PY_MAJOR_VERSION < 3
+    PyErr_Format(PyExc_ImportError, "cannot import name %.230s",
+                 PyString_AsString(name));
+#else
+    PyErr_Format(PyExc_ImportError, "cannot import name %S", name);
+#endif
+}
+
+#if PY_MAJOR_VERSION < 3
+static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
+    PyObject *getbuffer_cobj;
+
+  #if PY_VERSION_HEX >= 0x02060000
+    if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
+  #endif
+
+        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pw_5numpy_7ndarray_1__getbuffer__(obj, view, flags);
+
+  #if PY_VERSION_HEX < 0x02060000
+    if (obj->ob_type->tp_dict &&
+        (getbuffer_cobj = PyMapping_GetItemString(obj->ob_type->tp_dict,
+                                             "__pyx_getbuffer"))) {
+        getbufferproc func;
+
+      #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION == 0)
+        func = (getbufferproc) PyCapsule_GetPointer(getbuffer_cobj, "getbuffer(obj, view, flags)");
+      #else
+        func = (getbufferproc) PyCObject_AsVoidPtr(getbuffer_cobj);
+      #endif
+        Py_DECREF(getbuffer_cobj);
+        if (!func)
+            goto fail;
+
+        return func(obj, view, flags);
+    } else {
+        PyErr_Clear();
+    }
+  #endif
+
+    PyErr_Format(PyExc_TypeError, "'%100s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
+
+#if PY_VERSION_HEX < 0x02060000
+fail:
+#endif
+
+    return -1;
+}
+
+static void __Pyx_ReleaseBuffer(Py_buffer *view) {
+    PyObject *obj = view->obj;
+    PyObject *releasebuffer_cobj;
+
+    if (!obj) return;
+
+  #if PY_VERSION_HEX >= 0x02060000
+    if (PyObject_CheckBuffer(obj)) {
+        PyBuffer_Release(view);
+        return;
+    }
+  #endif
+
+        if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) { __pyx_pw_5numpy_7ndarray_3__releasebuffer__(obj, view); return; }
+
+  #if PY_VERSION_HEX < 0x02060000
+    if (obj->ob_type->tp_dict &&
+        (releasebuffer_cobj = PyMapping_GetItemString(obj->ob_type->tp_dict,
+                                                      "__pyx_releasebuffer"))) {
+        releasebufferproc func;
+
+      #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION == 0)
+        func = (releasebufferproc) PyCapsule_GetPointer(releasebuffer_cobj, "releasebuffer(obj, view)");
+      #else
+        func = (releasebufferproc) PyCObject_AsVoidPtr(releasebuffer_cobj);
+      #endif
+
+        Py_DECREF(releasebuffer_cobj);
+
+        if (!func)
+            goto fail;
+
+        func(obj, view);
+        return;
+    } else {
+        PyErr_Clear();
+    }
+  #endif
+
+    goto nofail;
+
+#if PY_VERSION_HEX < 0x02060000
+fail:
+#endif
+    PyErr_WriteUnraisable(obj);
+
+nofail:
+    Py_DECREF(obj);
+    view->obj = NULL;
+}
+
+#endif /*  PY_MAJOR_VERSION < 3 */
+
+  #if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return ::std::complex< float >(x, y);
+    }
+  #else
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return x + y*(__pyx_t_float_complex)_Complex_I;
+    }
+  #endif
+#else
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      __pyx_t_float_complex z;
+      z.real = x;
+      z.imag = y;
+      return z;
+    }
+#endif
+
+#if CYTHON_CCOMPLEX
+#else
+    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+       return (a.real == b.real) && (a.imag == b.imag);
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real + b.real;
+        z.imag = a.imag + b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real - b.real;
+        z.imag = a.imag - b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        z.real = a.real * b.real - a.imag * b.imag;
+        z.imag = a.real * b.imag + a.imag * b.real;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        __pyx_t_float_complex z;
+        float denom = b.real * b.real + b.imag * b.imag;
+        z.real = (a.real * b.real + a.imag * b.imag) / denom;
+        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) {
+        __pyx_t_float_complex z;
+        z.real = -a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) {
+       return (a.real == 0) && (a.imag == 0);
+    }
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) {
+        __pyx_t_float_complex z;
+        z.real =  a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    #if 1
+        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) {
+          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
+            return sqrtf(z.real*z.real + z.imag*z.imag);
+          #else
+            return hypotf(z.real, z.imag);
+          #endif
+        }
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+            __pyx_t_float_complex z;
+            float r, lnr, theta, z_r, z_theta;
+            if (b.imag == 0 && b.real == (int)b.real) {
+                if (b.real < 0) {
+                    float denom = a.real * a.real + a.imag * a.imag;
+                    a.real = a.real / denom;
+                    a.imag = -a.imag / denom;
+                    b.real = -b.real;
+                }
+                switch ((int)b.real) {
+                    case 0:
+                        z.real = 1;
+                        z.imag = 0;
+                        return z;
+                    case 1:
+                        return a;
+                    case 2:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(a, a);
+                    case 3:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(z, a);
+                    case 4:
+                        z = __Pyx_c_prodf(a, a);
+                        return __Pyx_c_prodf(z, z);
+                }
+            }
+            if (a.imag == 0) {
+                if (a.real == 0) {
+                    return a;
+                }
+                r = a.real;
+                theta = 0;
+            } else {
+                r = __Pyx_c_absf(a);
+                theta = atan2f(a.imag, a.real);
+            }
+            lnr = logf(r);
+            z_r = expf(lnr * b.real - theta * b.imag);
+            z_theta = theta * b.real + lnr * b.imag;
+            z.real = z_r * cosf(z_theta);
+            z.imag = z_r * sinf(z_theta);
+            return z;
+        }
+    #endif
+#endif
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      return ::std::complex< double >(x, y);
+    }
+  #else
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      return x + y*(__pyx_t_double_complex)_Complex_I;
+    }
+  #endif
+#else
+    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
+      __pyx_t_double_complex z;
+      z.real = x;
+      z.imag = y;
+      return z;
+    }
+#endif
+
+#if CYTHON_CCOMPLEX
+#else
+    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+       return (a.real == b.real) && (a.imag == b.imag);
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real + b.real;
+        z.imag = a.imag + b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real - b.real;
+        z.imag = a.imag - b.imag;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        z.real = a.real * b.real - a.imag * b.imag;
+        z.imag = a.real * b.imag + a.imag * b.real;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        __pyx_t_double_complex z;
+        double denom = b.real * b.real + b.imag * b.imag;
+        z.real = (a.real * b.real + a.imag * b.imag) / denom;
+        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
+        return z;
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) {
+        __pyx_t_double_complex z;
+        z.real = -a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) {
+       return (a.real == 0) && (a.imag == 0);
+    }
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) {
+        __pyx_t_double_complex z;
+        z.real =  a.real;
+        z.imag = -a.imag;
+        return z;
+    }
+    #if 1
+        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) {
+          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
+            return sqrt(z.real*z.real + z.imag*z.imag);
+          #else
+            return hypot(z.real, z.imag);
+          #endif
+        }
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+            __pyx_t_double_complex z;
+            double r, lnr, theta, z_r, z_theta;
+            if (b.imag == 0 && b.real == (int)b.real) {
+                if (b.real < 0) {
+                    double denom = a.real * a.real + a.imag * a.imag;
+                    a.real = a.real / denom;
+                    a.imag = -a.imag / denom;
+                    b.real = -b.real;
+                }
+                switch ((int)b.real) {
+                    case 0:
+                        z.real = 1;
+                        z.imag = 0;
+                        return z;
+                    case 1:
+                        return a;
+                    case 2:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(a, a);
+                    case 3:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(z, a);
+                    case 4:
+                        z = __Pyx_c_prod(a, a);
+                        return __Pyx_c_prod(z, z);
+                }
+            }
+            if (a.imag == 0) {
+                if (a.real == 0) {
+                    return a;
+                }
+                r = a.real;
+                theta = 0;
+            } else {
+                r = __Pyx_c_abs(a);
+                theta = atan2(a.imag, a.real);
+            }
+            lnr = log(r);
+            z_r = exp(lnr * b.real - theta * b.imag);
+            z_theta = theta * b.real + lnr * b.imag;
+            z.real = z_r * cos(z_theta);
+            z.imag = z_r * sin(z_theta);
+            return z;
+        }
+    #endif
+#endif
+
+static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
+    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned char" :
+                    "value too large to convert to unsigned char");
+            }
+            return (unsigned char)-1;
+        }
+        return (unsigned char)val;
+    }
+    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
+    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned short" :
+                    "value too large to convert to unsigned short");
+            }
+            return (unsigned short)-1;
+        }
+        return (unsigned short)val;
+    }
+    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
+    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(unsigned int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(unsigned int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to unsigned int" :
+                    "value too large to convert to unsigned int");
+            }
+            return (unsigned int)-1;
+        }
+        return (unsigned int)val;
+    }
+    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
+}
+
+static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
+    const char neg_one = (char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to char" :
+                    "value too large to convert to char");
+            }
+            return (char)-1;
+        }
+        return (char)val;
+    }
+    return (char)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
+    const short neg_one = (short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to short" :
+                    "value too large to convert to short");
+            }
+            return (short)-1;
+        }
+        return (short)val;
+    }
+    return (short)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
+    const signed char neg_one = (signed char)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed char) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed char)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed char" :
+                    "value too large to convert to signed char");
+            }
+            return (signed char)-1;
+        }
+        return (signed char)val;
+    }
+    return (signed char)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
+    const signed short neg_one = (signed short)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed short) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed short)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed short" :
+                    "value too large to convert to signed short");
+            }
+            return (signed short)-1;
+        }
+        return (signed short)val;
+    }
+    return (signed short)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
+    const signed int neg_one = (signed int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(signed int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(signed int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to signed int" :
+                    "value too large to convert to signed int");
+            }
+            return (signed int)-1;
+        }
+        return (signed int)val;
+    }
+    return (signed int)__Pyx_PyInt_AsSignedLong(x);
+}
+
+static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
+    const int neg_one = (int)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (sizeof(int) < sizeof(long)) {
+        long val = __Pyx_PyInt_AsLong(x);
+        if (unlikely(val != (long)(int)val)) {
+            if (!unlikely(val == -1 && PyErr_Occurred())) {
+                PyErr_SetString(PyExc_OverflowError,
+                    (is_unsigned && unlikely(val < 0)) ?
+                    "can't convert negative value to int" :
+                    "value too large to convert to int");
+            }
+            return (int)-1;
+        }
+        return (int)val;
+    }
+    return (int)__Pyx_PyInt_AsLong(x);
+}
+
+static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
+    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned long");
+            return (unsigned long)-1;
+        }
+        return (unsigned long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned long");
+                return (unsigned long)-1;
+            }
+            return (unsigned long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (unsigned long)PyLong_AsLong(x);
+        }
+    } else {
+        unsigned long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned long)-1;
+        val = __Pyx_PyInt_AsUnsignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
+    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to unsigned PY_LONG_LONG");
+            return (unsigned PY_LONG_LONG)-1;
+        }
+        return (unsigned PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to unsigned PY_LONG_LONG");
+                return (unsigned PY_LONG_LONG)-1;
+            }
+            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        unsigned PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (unsigned PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
+    const long neg_one = (long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to long");
+            return (long)-1;
+        }
+        return (long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to long");
+                return (long)-1;
+            }
+            return (long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (long)PyLong_AsLong(x);
+        }
+    } else {
+        long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (long)-1;
+        val = __Pyx_PyInt_AsLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
+    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to PY_LONG_LONG");
+            return (PY_LONG_LONG)-1;
+        }
+        return (PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to PY_LONG_LONG");
+                return (PY_LONG_LONG)-1;
+            }
+            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
+    const signed long neg_one = (signed long)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed long");
+            return (signed long)-1;
+        }
+        return (signed long)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed long");
+                return (signed long)-1;
+            }
+            return (signed long)PyLong_AsUnsignedLong(x);
+        } else {
+            return (signed long)PyLong_AsLong(x);
+        }
+    } else {
+        signed long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed long)-1;
+        val = __Pyx_PyInt_AsSignedLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
+    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_VERSION_HEX < 0x03000000
+    if (likely(PyInt_Check(x))) {
+        long val = PyInt_AS_LONG(x);
+        if (is_unsigned && unlikely(val < 0)) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "can't convert negative value to signed PY_LONG_LONG");
+            return (signed PY_LONG_LONG)-1;
+        }
+        return (signed PY_LONG_LONG)val;
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to signed PY_LONG_LONG");
+                return (signed PY_LONG_LONG)-1;
+            }
+            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
+        } else {
+            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
+        }
+    } else {
+        signed PY_LONG_LONG val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (signed PY_LONG_LONG)-1;
+        val = __Pyx_PyInt_AsSignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static int __Pyx_check_binary_version(void) {
+    char ctversion[4], rtversion[4];
+    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
+    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
+    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+        char message[200];
+        PyOS_snprintf(message, sizeof(message),
+                      "compiletime version %s of module '%.100s' "
+                      "does not match runtime version %s",
+                      ctversion, __Pyx_MODULE_NAME, rtversion);
+        #if PY_VERSION_HEX < 0x02050000
+        return PyErr_Warn(NULL, message);
+        #else
+        return PyErr_WarnEx(NULL, message, 1);
+        #endif
+    }
+    return 0;
+}
+
+#ifndef __PYX_HAVE_RT_ImportType
+#define __PYX_HAVE_RT_ImportType
+static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
+    size_t size, int strict)
+{
+    PyObject *py_module = 0;
+    PyObject *result = 0;
+    PyObject *py_name = 0;
+    char warning[200];
+    py_module = __Pyx_ImportModule(module_name);
+    if (!py_module)
+        goto bad;
+    py_name = __Pyx_PyIdentifier_FromString(class_name);
+    if (!py_name)
+        goto bad;
+    result = PyObject_GetAttr(py_module, py_name);
+    Py_DECREF(py_name);
+    py_name = 0;
+    Py_DECREF(py_module);
+    py_module = 0;
+    if (!result)
+        goto bad;
+    if (!PyType_Check(result)) {
+        PyErr_Format(PyExc_TypeError,
+            "%s.%s is not a type object",
+            module_name, class_name);
+        goto bad;
+    }
+    if (!strict && (size_t)((PyTypeObject *)result)->tp_basicsize > size) {
+        PyOS_snprintf(warning, sizeof(warning),
+            "%s.%s size changed, may indicate binary incompatibility",
+            module_name, class_name);
+        #if PY_VERSION_HEX < 0x02050000
+        if (PyErr_Warn(NULL, warning) < 0) goto bad;
+        #else
+        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
+        #endif
+    }
+    else if ((size_t)((PyTypeObject *)result)->tp_basicsize != size) {
+        PyErr_Format(PyExc_ValueError,
+            "%s.%s has the wrong size, try recompiling",
+            module_name, class_name);
+        goto bad;
+    }
+    return (PyTypeObject *)result;
+bad:
+    Py_XDECREF(py_module);
+    Py_XDECREF(result);
+    return NULL;
+}
+#endif
+
+#ifndef __PYX_HAVE_RT_ImportModule
+#define __PYX_HAVE_RT_ImportModule
+static PyObject *__Pyx_ImportModule(const char *name) {
+    PyObject *py_name = 0;
+    PyObject *py_module = 0;
+    py_name = __Pyx_PyIdentifier_FromString(name);
+    if (!py_name)
+        goto bad;
+    py_module = PyImport_Import(py_name);
+    Py_DECREF(py_name);
+    return py_module;
+bad:
+    Py_XDECREF(py_name);
+    return 0;
+}
+#endif
+
+static void* __Pyx_GetVtable(PyObject *dict) {
+    void* ptr;
+    PyObject *ob = PyMapping_GetItemString(dict, (char *)"__pyx_vtable__");
+    if (!ob)
+        goto bad;
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    ptr = PyCapsule_GetPointer(ob, 0);
+#else
+    ptr = PyCObject_AsVoidPtr(ob);
+#endif
+    if (!ptr && !PyErr_Occurred())
+        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
+    Py_DECREF(ob);
+    return ptr;
+bad:
+    Py_XDECREF(ob);
+    return NULL;
+}
+
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+    int start = 0, mid = 0, end = count - 1;
+    if (end >= 0 && code_line > entries[end].code_line) {
+        return count;
+    }
+    while (start < end) {
+        mid = (start + end) / 2;
+        if (code_line < entries[mid].code_line) {
+            end = mid;
+        } else if (code_line > entries[mid].code_line) {
+             start = mid + 1;
+        } else {
+            return mid;
+        }
+    }
+    if (code_line <= entries[mid].code_line) {
+        return mid;
+    } else {
+        return mid + 1;
+    }
+}
+static PyCodeObject *__pyx_find_code_object(int code_line) {
+    PyCodeObject* code_object;
+    int pos;
+    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
+        return NULL;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
+        return NULL;
+    }
+    code_object = __pyx_code_cache.entries[pos].code_object;
+    Py_INCREF(code_object);
+    return code_object;
+}
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
+    int pos, i;
+    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
+    if (unlikely(!code_line)) {
+        return;
+    }
+    if (unlikely(!entries)) {
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (likely(entries)) {
+            __pyx_code_cache.entries = entries;
+            __pyx_code_cache.max_count = 64;
+            __pyx_code_cache.count = 1;
+            entries[0].code_line = code_line;
+            entries[0].code_object = code_object;
+            Py_INCREF(code_object);
+        }
+        return;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
+        PyCodeObject* tmp = entries[pos].code_object;
+        entries[pos].code_object = code_object;
+        Py_DECREF(tmp);
+        return;
+    }
+    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
+        int new_max = __pyx_code_cache.max_count + 64;
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
+            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (unlikely(!entries)) {
+            return;
+        }
+        __pyx_code_cache.entries = entries;
+        __pyx_code_cache.max_count = new_max;
+    }
+    for (i=__pyx_code_cache.count; i>pos; i--) {
+        entries[i] = entries[i-1];
+    }
+    entries[pos].code_line = code_line;
+    entries[pos].code_object = code_object;
+    __pyx_code_cache.count++;
+    Py_INCREF(code_object);
+}
+
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
+            const char *funcname, int c_line,
+            int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_srcfile = 0;
+    PyObject *py_funcname = 0;
+    #if PY_MAJOR_VERSION < 3
+    py_srcfile = PyString_FromString(filename);
+    #else
+    py_srcfile = PyUnicode_FromString(filename);
+    #endif
+    if (!py_srcfile) goto bad;
+    if (c_line) {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #else
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #endif
+    }
+    else {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromString(funcname);
+        #else
+        py_funcname = PyUnicode_FromString(funcname);
+        #endif
+    }
+    if (!py_funcname) goto bad;
+    py_code = __Pyx_PyCode_New(
+        0,            /*int argcount,*/
+        0,            /*int kwonlyargcount,*/
+        0,            /*int nlocals,*/
+        0,            /*int stacksize,*/
+        0,            /*int flags,*/
+        __pyx_empty_bytes, /*PyObject *code,*/
+        __pyx_empty_tuple, /*PyObject *consts,*/
+        __pyx_empty_tuple, /*PyObject *names,*/
+        __pyx_empty_tuple, /*PyObject *varnames,*/
+        __pyx_empty_tuple, /*PyObject *freevars,*/
+        __pyx_empty_tuple, /*PyObject *cellvars,*/
+        py_srcfile,   /*PyObject *filename,*/
+        py_funcname,  /*PyObject *name,*/
+        py_line,      /*int firstlineno,*/
+        __pyx_empty_bytes  /*PyObject *lnotab*/
+    );
+    Py_DECREF(py_srcfile);
+    Py_DECREF(py_funcname);
+    return py_code;
+bad:
+    Py_XDECREF(py_srcfile);
+    Py_XDECREF(py_funcname);
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_globals = 0;
+    PyFrameObject *py_frame = 0;
+    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
+    if (!py_code) {
+        py_code = __Pyx_CreateCodeObjectForTraceback(
+            funcname, c_line, py_line, filename);
+        if (!py_code) goto bad;
+        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
+    }
+    py_globals = PyModule_GetDict(__pyx_m);
+    if (!py_globals) goto bad;
+    py_frame = PyFrame_New(
+        PyThreadState_GET(), /*PyThreadState *tstate,*/
+        py_code,             /*PyCodeObject *code,*/
+        py_globals,          /*PyObject *globals,*/
+        0                    /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    py_frame->f_lineno = py_line;
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+    while (t->p) {
+        #if PY_MAJOR_VERSION < 3
+        if (t->is_unicode) {
+            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
+        } else if (t->intern) {
+            *t->p = PyString_InternFromString(t->s);
+        } else {
+            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
+        }
+        #else  /* Python 3+ has unicode identifiers */
+        if (t->is_unicode | t->is_str) {
+            if (t->intern) {
+                *t->p = PyUnicode_InternFromString(t->s);
+            } else if (t->encoding) {
+                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
+            } else {
+                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
+            }
+        } else {
+            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
+        }
+        #endif
+        if (!*t->p)
+            return -1;
+        ++t;
+    }
+    return 0;
+}
+
+
+/* Type Conversion Functions */
+
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   int is_true = x == Py_True;
+   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
+   else return PyObject_IsTrue(x);
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
+  PyNumberMethods *m;
+  const char *name = NULL;
+  PyObject *res = NULL;
+#if PY_VERSION_HEX < 0x03000000
+  if (PyInt_Check(x) || PyLong_Check(x))
+#else
+  if (PyLong_Check(x))
+#endif
+    return Py_INCREF(x), x;
+  m = Py_TYPE(x)->tp_as_number;
+#if PY_VERSION_HEX < 0x03000000
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Int(x);
+  }
+  else if (m && m->nb_long) {
+    name = "long";
+    res = PyNumber_Long(x);
+  }
+#else
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Long(x);
+  }
+#endif
+  if (res) {
+#if PY_VERSION_HEX < 0x03000000
+    if (!PyInt_Check(res) && !PyLong_Check(res)) {
+#else
+    if (!PyLong_Check(res)) {
+#endif
+      PyErr_Format(PyExc_TypeError,
+                   "__%s__ returned non-%s (type %.200s)",
+                   name, name, Py_TYPE(res)->tp_name);
+      Py_DECREF(res);
+      return NULL;
+    }
+  }
+  else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_TypeError,
+                    "an integer is required");
+  }
+  return res;
+}
+
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject* x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyInt_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
+#if PY_VERSION_HEX < 0x02050000
+   if (ival <= LONG_MAX)
+       return PyInt_FromLong((long)ival);
+   else {
+       unsigned char *bytes = (unsigned char *) &ival;
+       int one = 1; int little = (int)*(unsigned char*)&one;
+       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
+   }
+#else
+   return PyInt_FromSize_t(ival);
+#endif
+}
+
+static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
+   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
+   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
+       return (size_t)-1;
+   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
+       PyErr_SetString(PyExc_OverflowError,
+                       "value too large to convert to size_t");
+       return (size_t)-1;
+   }
+   return (size_t)val;
+}
+
+
+#endif /* Py_PYTHON_H */
diff --git a/simpl/synthesis.pxd b/simpl/synthesis.pxd
new file mode 100644
index 0000000..6c08897
--- /dev/null
+++ b/simpl/synthesis.pxd
@@ -0,0 +1,26 @@
+import numpy as np
+cimport numpy as np
+np.import_array()
+from libcpp.vector cimport vector
+
+from base cimport c_Peak
+from base cimport c_Frame
+from base cimport string
+from base cimport dtype_t
+from base import dtype
+
+
+cdef extern from "../src/simpl/synthesis.h" namespace "simpl":
+    cdef cppclass c_Synthesis "simpl::Synthesis":
+        c_Synthesis()
+        int frame_size()
+        void frame_size(int new_frame_size)
+        int next_frame_size()
+        int hop_size()
+        void hop_size(int new_hop_size)
+        int sampling_rate()
+        void sampling_rate(int new_sampling_rate)
+        int max_partials()
+        void max_partials(int new_max_partials)
+        void synth_frame(c_Frame* frame)
+        vector[c_Frame*] synth(vector[c_Frame*] frames)
diff --git a/simpl/synthesis.pyx b/simpl/synthesis.pyx
new file mode 100644
index 0000000..180d575
--- /dev/null
+++ b/simpl/synthesis.pyx
@@ -0,0 +1,51 @@
+import numpy as np
+cimport numpy as np
+np.import_array()
+from libcpp.vector cimport vector
+
+from base cimport Peak
+from base cimport Frame
+from base cimport c_Peak
+from base cimport c_Frame
+
+
+cdef class Synthesis:
+    cdef c_Synthesis* thisptr
+
+    def __cinit__(self): self.thisptr = new c_Synthesis()
+    def __dealloc__(self): del self.thisptr
+
+    property sampling_rate:
+        def __get__(self): return self.thisptr.sampling_rate()
+        def __set__(self, int i): self.thisptr.sampling_rate(i)
+
+    property frame_size:
+        def __get__(self): return self.thisptr.frame_size()
+        def __set__(self, int i): self.thisptr.frame_size(i)
+
+    property hop_size:
+        def __get__(self): return self.thisptr.hop_size()
+        def __set__(self, int i): self.thisptr.hop_size(i)
+
+    property max_partials:
+        def __get__(self): return self.thisptr.max_partials()
+        def __set__(self, int i): self.thisptr.max_partials(i)
+
+    def synth_frame(self, Frame frame not None):
+        self.thisptr.synth_frame(frame.thisptr)
+        return frame.audio
+
+    def synth(self, frames):
+        cdef vector[c_Frame*] c_frames
+        for frame in frames:
+            c_frames.push_back((<Frame>frame).thisptr)
+        cdef vector[c_Frame*] output_frames = self.thisptr.synth(c_frames)
+        cdef np.ndarray[dtype_t, ndim=1] output = np.zeros(
+            output_frames.size() * self.thisptr.hop_size()
+        )
+        cdef np.npy_intp shape[1]
+        shape[0] = <np.npy_intp> self.thisptr.hop_size()
+        for i in range(output_frames.size()):
+            frame_audio = np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, output_frames[i].synth())
+            output[i * self.thisptr.hop_size():(i + 1) * self.thisptr.hop_size()] = frame_audio
+        return output
diff --git a/src/simpl/base.cpp b/src/simpl/base.cpp
index 9d5f7ad..3e822ae 100644
--- a/src/simpl/base.cpp
+++ b/src/simpl/base.cpp
@@ -214,330 +214,3 @@ void Frame::synth_residual(sample* new_synth_residual) {
 sample* Frame::synth_residual() {
     return _synth_residual;
 }
-
-
-// ---------------------------------------------------------------------------
-// PeakDetection
-// ---------------------------------------------------------------------------
-
-PeakDetection::PeakDetection() {
-    _sampling_rate = 44100;
-    _frame_size = 2048;
-    _static_frame_size = true;
-    _hop_size = 512;
-    _max_peaks = 100;
-    _window_type = "hamming";
-    _window_size = 2048;
-    _min_peak_separation = 1.0; // in Hz
-}
-
-PeakDetection::~PeakDetection() {
-    clear();
-}
-
-void PeakDetection::clear() {
-    for(int i = 0; i < _frames.size(); i++) {
-        if(_frames[i]) {
-            delete _frames[i];
-        }
-    }
-
-    _frames.clear();
-}
-
-int PeakDetection::sampling_rate() {
-    return _sampling_rate;
-}
-
-void PeakDetection::sampling_rate(int new_sampling_rate) {
-    _sampling_rate = new_sampling_rate;
-}
-
-int PeakDetection::frame_size() {
-    return _frame_size;
-}
-
-void PeakDetection::frame_size(int new_frame_size) {
-    _frame_size = new_frame_size;
-}
-
-bool PeakDetection::static_frame_size() {
-    return _static_frame_size;
-}
-
-void PeakDetection::static_frame_size(bool new_static_frame_size) {
-    _static_frame_size = new_static_frame_size;
-}
-
-int PeakDetection::next_frame_size() {
-    return _frame_size;
-}
-
-int PeakDetection::hop_size() {
-    return _hop_size;
-}
-
-void PeakDetection::hop_size(int new_hop_size) {
-    _hop_size = new_hop_size;
-}
-
-int PeakDetection::max_peaks() {
-    return _max_peaks;
-}
-
-void PeakDetection::max_peaks(int new_max_peaks) {
-    _max_peaks = new_max_peaks;
-}
-
-std::string PeakDetection::window_type() {
-    return _window_type;
-}
-
-void PeakDetection::window_type(std::string new_window_type) {
-    _window_type = new_window_type;
-}
-
-int PeakDetection::window_size() {
-    return _window_size;
-}
-
-void PeakDetection::window_size(int new_window_size) {
-    _window_size = new_window_size;
-}
-
-sample PeakDetection::min_peak_separation() {
-    return _min_peak_separation;
-}
-
-void PeakDetection::min_peak_separation(sample new_min_peak_separation) {
-    _min_peak_separation = new_min_peak_separation;
-}
-
-int PeakDetection::num_frames() {
-    return _frames.size();
-}
-
-Frame* PeakDetection::frame(int frame_number) {
-    return _frames[frame_number];
-}
-
-Frames PeakDetection::frames() {
-    return _frames;
-}
-
-// Find and return all spectral peaks in a given frame of audio
-Peaks PeakDetection::find_peaks_in_frame(Frame* frame) {
-    Peaks peaks;
-    return peaks;
-}
-
-// Find and return all spectral peaks in a given audio signal.
-// If the signal contains more than 1 frame worth of audio, it will be broken
-// up into separate frames, each containing a std::vector of peaks.
-// Frames* PeakDetection::find_peaks(const samples& audio)
-Frames PeakDetection::find_peaks(int audio_size, sample* audio) {
-    clear();
-    unsigned int pos = 0;
-
-    while(pos < audio_size - _hop_size) {
-        // get the next frame size
-        if(!_static_frame_size) {
-            _frame_size = next_frame_size();
-        }
-
-        // get the next frame
-        Frame* f = new Frame(_frame_size);
-        f->audio(&audio[pos]);
-
-        // find peaks
-        Peaks peaks = find_peaks_in_frame(f);
-        f->add_peaks(&peaks);
-
-        _frames.push_back(f);
-        pos += _hop_size;
-    }
-
-    return _frames;
-}
-
-
-// ---------------------------------------------------------------------------
-// PartialTracking
-// ---------------------------------------------------------------------------
-PartialTracking::PartialTracking() {
-    _sampling_rate = 44100;
-    _max_partials = 100;
-    _min_partial_length = 0;
-    _max_gap = 2;
-}
-
-PartialTracking::~PartialTracking() {
-    clear();
-}
-
-void PartialTracking::clear() {
-    _frames.clear();
-}
-
-int PartialTracking::sampling_rate() {
-    return _sampling_rate;
-}
-
-void PartialTracking::sampling_rate(int new_sampling_rate) {
-    _sampling_rate = new_sampling_rate;
-}
-
-int PartialTracking::max_partials() {
-    return _max_partials;
-}
-
-void PartialTracking::max_partials(int new_max_partials) {
-    _max_partials = new_max_partials;
-}
-
-int PartialTracking::min_partial_length() {
-    return _min_partial_length;
-}
-
-void PartialTracking::min_partial_length(int new_min_partial_length) {
-    _min_partial_length = new_min_partial_length;
-}
-
-int PartialTracking::max_gap() {
-    return _max_gap;
-}
-
-void PartialTracking::max_gap(int new_max_gap) {
-    _max_gap = new_max_gap;
-}
-
-// Streamable (real-time) partial-tracking.
-Peaks PartialTracking::update_partials(Frame* frame) {
-    Peaks peaks;
-    return peaks;
-}
-
-// Find partials from the sinusoidal peaks in a list of Frames.
-Frames PartialTracking::find_partials(Frames frames) {
-    for(int i = 0; i < frames.size(); i++) {
-        Peaks peaks = update_partials(frames[i]);
-        for(int j = 0; j < peaks.size(); j++) {
-            frames[i]->partial(j, peaks[j]);
-        }
-    }
-    _frames = frames;
-    return _frames;
-}
-
-
-// ---------------------------------------------------------------------------
-// Synthesis
-// ---------------------------------------------------------------------------
-Synthesis::Synthesis() {
-    _frame_size = 512;
-    _hop_size = 512;
-    _max_partials = 100;
-    _sampling_rate = 44100;
-}
-
-int Synthesis::frame_size() {
-    return _frame_size;
-}
-
-void Synthesis::frame_size(int new_frame_size) {
-    _frame_size = new_frame_size;
-}
-
-int Synthesis::hop_size() {
-    return _hop_size;
-}
-
-void Synthesis::hop_size(int new_hop_size) {
-    _hop_size = new_hop_size;
-}
-
-int Synthesis::max_partials() {
-    return _max_partials;
-}
-
-void Synthesis::max_partials(int new_max_partials) {
-    _max_partials = new_max_partials;
-}
-
-int Synthesis::sampling_rate() {
-    return _sampling_rate;
-}
-
-void Synthesis::sampling_rate(int new_sampling_rate) {
-    _sampling_rate = new_sampling_rate;
-}
-
-void Synthesis::synth_frame(Frame* frame) {
-}
-
-Frames Synthesis::synth(Frames frames) {
-    for(int i = 0; i < frames.size(); i++) {
-        synth_frame(frames[i]);
-    }
-    return frames;
-}
-
-
-// ---------------------------------------------------------------------------
-// Residual
-// ---------------------------------------------------------------------------
-Residual::Residual() {
-    _frame_size = 512;
-    _hop_size = 512;
-    _sampling_rate = 44100;
-}
-
-int Residual::frame_size() {
-    return _frame_size;
-}
-
-void Residual::frame_size(int new_frame_size) {
-    _frame_size = new_frame_size;
-}
-
-int Residual::hop_size() {
-    return _hop_size;
-}
-
-void Residual::hop_size(int new_hop_size) {
-    _hop_size = new_hop_size;
-}
-
-int Residual::sampling_rate() {
-    return _sampling_rate;
-}
-
-void Residual::sampling_rate(int new_sampling_rate) {
-    _sampling_rate = new_sampling_rate;
-}
-
-void Residual::residual_frame(int synth_size, sample* synth,
-                              int original_size, sample* original,
-                              int residual_size, sample* residual) {
-}
-
-void Residual::find_residual(int synth_size, sample* synth,
-                             int original_size, sample* original,
-                             int residual_size, sample* residual) {
-    for(int i = 0; i < synth_size; i += _hop_size) {
-        residual_frame(_hop_size, &synth[i],
-                       _hop_size, &original[i],
-                       _hop_size, &residual[i]);
-    }
-}
-
-void Residual::synth_frame(Frame* frame) {
-}
-
-// Calculate and return a synthesised residual signal
-Frames Residual::synth(Frames frames) {
-    for(int i = 0; i < frames.size(); i++) {
-        synth_frame(frames[i]);
-    }
-    return frames;
-}
diff --git a/src/simpl/base.h b/src/simpl/base.h
index bdb0d96..7589264 100644
--- a/src/simpl/base.h
+++ b/src/simpl/base.h
@@ -3,7 +3,6 @@
 
 #include <vector>
 #include <string>
-#include "exceptions.h"
 
 using namespace std;
 
@@ -126,155 +125,6 @@ class Frame {
 
 typedef std::vector<Frame*> Frames;
 
-
-// ---------------------------------------------------------------------------
-// PeakDetection
-//
-// Detect spectral peaks
-// ---------------------------------------------------------------------------
-
-class PeakDetection {
-    private:
-        int _sampling_rate;
-        int _frame_size;
-        bool _static_frame_size;
-        int _hop_size;
-        int _max_peaks;
-        std::string _window_type;
-        int _window_size;
-        sample _min_peak_separation;
-        Frames _frames;
-
-    public:
-        PeakDetection();
-        virtual ~PeakDetection();
-        void clear();
-
-        int sampling_rate();
-        void sampling_rate(int new_sampling_rate);
-        int frame_size();
-        void frame_size(int new_frame_size);
-        bool static_frame_size();
-        void static_frame_size(bool new_static_frame_size);
-        virtual int next_frame_size();
-        int hop_size();
-        void hop_size(int new_hop_size);
-        int max_peaks();
-        void max_peaks(int new_max_peaks);
-        std::string window_type();
-        void window_type(std::string new_window_type);
-        int window_size();
-        void window_size(int new_window_size);
-        sample min_peak_separation();
-        void min_peak_separation(sample new_min_peak_separation);
-        int num_frames();
-        Frame* frame(int frame_number);
-        Frames frames();
-
-        // Find and return all spectral peaks in a given frame of audio
-        virtual Peaks find_peaks_in_frame(Frame* frame);
-
-        // Find and return all spectral peaks in a given audio signal.
-        // If the signal contains more than 1 frame worth of audio, it will be broken
-        // up into separate frames, with an array of peaks returned for each frame.
-        virtual Frames find_peaks(int audio_size, sample* audio);
-};
-
-
-// ---------------------------------------------------------------------------
-// PartialTracking
-//
-// Link spectral peaks from consecutive frames to form partials
-// ---------------------------------------------------------------------------
-
-class PartialTracking {
-    private:
-        int _sampling_rate;
-        int _max_partials;
-        int _min_partial_length;
-        int _max_gap;
-        Frames _frames;
-
-    public:
-        PartialTracking();
-        ~PartialTracking();
-
-        void clear();
-
-        int sampling_rate();
-        void sampling_rate(int new_sampling_rate);
-        int max_partials();
-        void max_partials(int new_max_partials);
-        int min_partial_length();
-        void min_partial_length(int new_min_partial_length);
-        int max_gap();
-        void max_gap(int new_max_gap);
-
-        virtual Peaks update_partials(Frame* frame);
-        virtual Frames find_partials(Frames frames);
-};
-
-
-// ---------------------------------------------------------------------------
-// Synthesis
-//
-// Synthesise audio from spectral analysis data
-// ---------------------------------------------------------------------------
-
-class Synthesis {
-    private:
-        int _frame_size;
-        int _hop_size;
-        int _max_partials;
-        int _sampling_rate;
-
-    public:
-        Synthesis();
-        int frame_size();
-        void frame_size(int new_frame_size);
-        int hop_size();
-        void hop_size(int new_hop_size);
-        int max_partials();
-        void max_partials(int new_max_partials);
-        int sampling_rate();
-        void sampling_rate(int new_sampling_rate);
-
-        virtual void synth_frame(Frame* frame);
-        virtual Frames synth(Frames frames);
-};
-
-// ---------------------------------------------------------------------------
-// Residual
-//
-// Calculate a residual signal
-// ---------------------------------------------------------------------------
-
-class Residual {
-    private:
-        int _frame_size;
-        int _hop_size;
-        int _sampling_rate;
-
-    public:
-        Residual();
-        int frame_size();
-        void frame_size(int new_frame_size);
-        int hop_size();
-        void hop_size(int new_hop_size);
-        int sampling_rate();
-        void sampling_rate(int new_sampling_rate);
-
-        virtual void residual_frame(int synth_size, sample* synth,
-                                    int original_size, sample* original,
-                                    int residual_size, sample* residual);
-        virtual void find_residual(int synth_size, sample* synth,
-                                   int original_size, sample* original,
-                                   int residual_size, sample* residual);
-
-        virtual void synth_frame(Frame* frame);
-        virtual Frames synth(Frames frames);
-};
-
 } // end of namespace Simpl
 
 #endif
diff --git a/src/simpl/exceptions.cpp b/src/simpl/exceptions.cpp
index 92b3840..3e4ae53 100644
--- a/src/simpl/exceptions.cpp
+++ b/src/simpl/exceptions.cpp
@@ -1,7 +1,7 @@
 #include "exceptions.h"
 #include <string>
 
-namespace Simpl {
+namespace simpl {
 
 // ---------------------------------------------------------------------------
 //	Exception constructor
diff --git a/src/simpl/exceptions.h b/src/simpl/exceptions.h
index 90baafa..0d247b2 100644
--- a/src/simpl/exceptions.h
+++ b/src/simpl/exceptions.h
@@ -6,7 +6,7 @@
 #include <stdexcept>
 #include <string>
 
-namespace Simpl {
+namespace simpl {
 
 // ---------------------------------------------------------------------------
 //  class Exception
diff --git a/src/simpl/partial_tracking.cpp b/src/simpl/partial_tracking.cpp
new file mode 100644
index 0000000..219be72
--- /dev/null
+++ b/src/simpl/partial_tracking.cpp
@@ -0,0 +1,73 @@
+#include "partial_tracking.h"
+
+using namespace std;
+using namespace simpl;
+
+
+// ---------------------------------------------------------------------------
+// PartialTracking
+// ---------------------------------------------------------------------------
+PartialTracking::PartialTracking() {
+    _sampling_rate = 44100;
+    _max_partials = 100;
+    _min_partial_length = 0;
+    _max_gap = 2;
+}
+
+PartialTracking::~PartialTracking() {
+    clear();
+}
+
+void PartialTracking::clear() {
+    _frames.clear();
+}
+
+int PartialTracking::sampling_rate() {
+    return _sampling_rate;
+}
+
+void PartialTracking::sampling_rate(int new_sampling_rate) {
+    _sampling_rate = new_sampling_rate;
+}
+
+int PartialTracking::max_partials() {
+    return _max_partials;
+}
+
+void PartialTracking::max_partials(int new_max_partials) {
+    _max_partials = new_max_partials;
+}
+
+int PartialTracking::min_partial_length() {
+    return _min_partial_length;
+}
+
+void PartialTracking::min_partial_length(int new_min_partial_length) {
+    _min_partial_length = new_min_partial_length;
+}
+
+int PartialTracking::max_gap() {
+    return _max_gap;
+}
+
+void PartialTracking::max_gap(int new_max_gap) {
+    _max_gap = new_max_gap;
+}
+
+// Streamable (real-time) partial-tracking.
+Peaks PartialTracking::update_partials(Frame* frame) {
+    Peaks peaks;
+    return peaks;
+}
+
+// Find partials from the sinusoidal peaks in a list of Frames.
+Frames PartialTracking::find_partials(Frames frames) {
+    for(int i = 0; i < frames.size(); i++) {
+        Peaks peaks = update_partials(frames[i]);
+        for(int j = 0; j < peaks.size(); j++) {
+            frames[i]->partial(j, peaks[j]);
+        }
+    }
+    _frames = frames;
+    return _frames;
+}
diff --git a/src/simpl/partial_tracking.h b/src/simpl/partial_tracking.h
new file mode 100644
index 0000000..ade5584
--- /dev/null
+++ b/src/simpl/partial_tracking.h
@@ -0,0 +1,48 @@
+#ifndef PARTIAL_TRACKING_H
+#define PARTIAL_TRACING_H
+
+#include "base.h"
+
+using namespace std;
+
+namespace simpl
+{
+
+
+// ---------------------------------------------------------------------------
+// PartialTracking
+//
+// Link spectral peaks from consecutive frames to form partials
+// ---------------------------------------------------------------------------
+
+class PartialTracking {
+    private:
+        int _sampling_rate;
+        int _max_partials;
+        int _min_partial_length;
+        int _max_gap;
+        Frames _frames;
+
+    public:
+        PartialTracking();
+        ~PartialTracking();
+
+        void clear();
+
+        int sampling_rate();
+        void sampling_rate(int new_sampling_rate);
+        int max_partials();
+        void max_partials(int new_max_partials);
+        int min_partial_length();
+        void min_partial_length(int new_min_partial_length);
+        int max_gap();
+        void max_gap(int new_max_gap);
+
+        virtual Peaks update_partials(Frame* frame);
+        virtual Frames find_partials(Frames frames);
+};
+
+
+} // end of namespace Simpl
+
+#endif
diff --git a/src/simpl/peak_detection.cpp b/src/simpl/peak_detection.cpp
new file mode 100644
index 0000000..1d44b6f
--- /dev/null
+++ b/src/simpl/peak_detection.cpp
@@ -0,0 +1,156 @@
+#include "peak_detection.h"
+
+using namespace std;
+using namespace simpl;
+
+
+// ---------------------------------------------------------------------------
+// PeakDetection
+// ---------------------------------------------------------------------------
+
+PeakDetection::PeakDetection() {
+    _sampling_rate = 44100;
+    _frame_size = 2048;
+    _static_frame_size = true;
+    _hop_size = 512;
+    _max_peaks = 100;
+    _window_type = "hamming";
+    _window_size = 2048;
+    _min_peak_separation = 1.0; // in Hz
+}
+
+PeakDetection::~PeakDetection() {
+    clear();
+}
+
+void PeakDetection::clear() {
+    for(int i = 0; i < _frames.size(); i++) {
+        if(_frames[i]) {
+            delete _frames[i];
+        }
+    }
+
+    _frames.clear();
+}
+
+int PeakDetection::sampling_rate() {
+    return _sampling_rate;
+}
+
+void PeakDetection::sampling_rate(int new_sampling_rate) {
+    _sampling_rate = new_sampling_rate;
+}
+
+int PeakDetection::frame_size() {
+    return _frame_size;
+}
+
+void PeakDetection::frame_size(int new_frame_size) {
+    _frame_size = new_frame_size;
+}
+
+bool PeakDetection::static_frame_size() {
+    return _static_frame_size;
+}
+
+void PeakDetection::static_frame_size(bool new_static_frame_size) {
+    _static_frame_size = new_static_frame_size;
+}
+
+int PeakDetection::next_frame_size() {
+    return _frame_size;
+}
+
+int PeakDetection::hop_size() {
+    return _hop_size;
+}
+
+void PeakDetection::hop_size(int new_hop_size) {
+    _hop_size = new_hop_size;
+}
+
+int PeakDetection::max_peaks() {
+    return _max_peaks;
+}
+
+void PeakDetection::max_peaks(int new_max_peaks) {
+    _max_peaks = new_max_peaks;
+}
+
+std::string PeakDetection::window_type() {
+    return _window_type;
+}
+
+void PeakDetection::window_type(std::string new_window_type) {
+    _window_type = new_window_type;
+}
+
+int PeakDetection::window_size() {
+    return _window_size;
+}
+
+void PeakDetection::window_size(int new_window_size) {
+    _window_size = new_window_size;
+}
+
+sample PeakDetection::min_peak_separation() {
+    return _min_peak_separation;
+}
+
+void PeakDetection::min_peak_separation(sample new_min_peak_separation) {
+    _min_peak_separation = new_min_peak_separation;
+}
+
+int PeakDetection::num_frames() {
+    return _frames.size();
+}
+
+Frame* PeakDetection::frame(int frame_number) {
+    return _frames[frame_number];
+}
+
+Frames PeakDetection::frames() {
+    return _frames;
+}
+
+// Find and return all spectral peaks in a given frame of audio
+Peaks PeakDetection::find_peaks_in_frame(Frame* frame) {
+    Peaks peaks;
+    return peaks;
+}
+
+// Find and return all spectral peaks in a given audio signal.
+// If the signal contains more than 1 frame worth of audio, it will be broken
+// up into separate frames, each containing a std::vector of peaks.
+// Frames* PeakDetection::find_peaks(const samples& audio)
+Frames PeakDetection::find_peaks(int audio_size, sample* audio) {
+    clear();
+    unsigned int pos = 0;
+
+    while(pos < audio_size - _hop_size) {
+        // get the next frame size
+        if(!_static_frame_size) {
+            _frame_size = next_frame_size();
+        }
+
+        // get the next frame
+        Frame* f = new Frame(_frame_size);
+        f->audio(&audio[pos]);
+
+        // find peaks
+        Peaks peaks = find_peaks_in_frame(f);
+        f->add_peaks(&peaks);
+
+        _frames.push_back(f);
+        pos += _hop_size;
+    }
+
+    return _frames;
+}
+
+
+// ---------------------------------------------------------------------------
+// SMSPeakDetection
+// ---------------------------------------------------------------------------
+SMSPeakDetection::SMSPeakDetection() {
+}
diff --git a/src/simpl/peak_detection.h b/src/simpl/peak_detection.h
new file mode 100644
index 0000000..0045762
--- /dev/null
+++ b/src/simpl/peak_detection.h
@@ -0,0 +1,77 @@
+#ifndef PEAK_DETECTION_H
+#define PEAK_DETECTION_H
+
+#include "base.h"
+
+using namespace std;
+
+namespace simpl
+{
+
+
+// ---------------------------------------------------------------------------
+// PeakDetection
+//
+// Detect spectral peaks
+// ---------------------------------------------------------------------------
+
+class PeakDetection {
+    private:
+        int _sampling_rate;
+        int _frame_size;
+        bool _static_frame_size;
+        int _hop_size;
+        int _max_peaks;
+        std::string _window_type;
+        int _window_size;
+        sample _min_peak_separation;
+        Frames _frames;
+
+    public:
+        PeakDetection();
+        virtual ~PeakDetection();
+        void clear();
+
+        int sampling_rate();
+        void sampling_rate(int new_sampling_rate);
+        int frame_size();
+        void frame_size(int new_frame_size);
+        bool static_frame_size();
+        void static_frame_size(bool new_static_frame_size);
+        virtual int next_frame_size();
+        int hop_size();
+        void hop_size(int new_hop_size);
+        int max_peaks();
+        void max_peaks(int new_max_peaks);
+        std::string window_type();
+        void window_type(std::string new_window_type);
+        int window_size();
+        void window_size(int new_window_size);
+        sample min_peak_separation();
+        void min_peak_separation(sample new_min_peak_separation);
+        int num_frames();
+        Frame* frame(int frame_number);
+        Frames frames();
+
+        // Find and return all spectral peaks in a given frame of audio
+        virtual Peaks find_peaks_in_frame(Frame* frame);
+
+        // Find and return all spectral peaks in a given audio signal.
+        // If the signal contains more than 1 frame worth of audio, it will be broken
+        // up into separate frames, with an array of peaks returned for each frame.
+        virtual Frames find_peaks(int audio_size, sample* audio);
+};
+
+
+// ---------------------------------------------------------------------------
+// SMSPeakDetection
+// ---------------------------------------------------------------------------
+class SMSPeakDetection : public PeakDetection {
+    public:
+        SMSPeakDetection();
+};
+
+
+} // end of namespace Simpl
+
+#endif
diff --git a/src/simpl/residual.cpp b/src/simpl/residual.cpp
new file mode 100644
index 0000000..a6ed226
--- /dev/null
+++ b/src/simpl/residual.cpp
@@ -0,0 +1,64 @@
+#include "residual.h"
+
+using namespace std;
+using namespace simpl;
+
+
+// ---------------------------------------------------------------------------
+// Residual
+// ---------------------------------------------------------------------------
+Residual::Residual() {
+    _frame_size = 512;
+    _hop_size = 512;
+    _sampling_rate = 44100;
+}
+
+int Residual::frame_size() {
+    return _frame_size;
+}
+
+void Residual::frame_size(int new_frame_size) {
+    _frame_size = new_frame_size;
+}
+
+int Residual::hop_size() {
+    return _hop_size;
+}
+
+void Residual::hop_size(int new_hop_size) {
+    _hop_size = new_hop_size;
+}
+
+int Residual::sampling_rate() {
+    return _sampling_rate;
+}
+
+void Residual::sampling_rate(int new_sampling_rate) {
+    _sampling_rate = new_sampling_rate;
+}
+
+void Residual::residual_frame(int synth_size, sample* synth,
+                              int original_size, sample* original,
+                              int residual_size, sample* residual) {
+}
+
+void Residual::find_residual(int synth_size, sample* synth,
+                             int original_size, sample* original,
+                             int residual_size, sample* residual) {
+    for(int i = 0; i < synth_size; i += _hop_size) {
+        residual_frame(_hop_size, &synth[i],
+                       _hop_size, &original[i],
+                       _hop_size, &residual[i]);
+    }
+}
+
+void Residual::synth_frame(Frame* frame) {
+}
+
+// Calculate and return a synthesised residual signal
+Frames Residual::synth(Frames frames) {
+    for(int i = 0; i < frames.size(); i++) {
+        synth_frame(frames[i]);
+    }
+    return frames;
+}
diff --git a/src/simpl/residual.h b/src/simpl/residual.h
new file mode 100644
index 0000000..5dd53f5
--- /dev/null
+++ b/src/simpl/residual.h
@@ -0,0 +1,47 @@
+#ifndef RESIDUAL_H
+#define RESIDUAL_H
+
+#include "base.h"
+
+using namespace std;
+
+namespace simpl
+{
+
+
+// ---------------------------------------------------------------------------
+// Residual
+//
+// Calculate a residual signal
+// ---------------------------------------------------------------------------
+
+class Residual {
+    private:
+        int _frame_size;
+        int _hop_size;
+        int _sampling_rate;
+
+    public:
+        Residual();
+        int frame_size();
+        void frame_size(int new_frame_size);
+        int hop_size();
+        void hop_size(int new_hop_size);
+        int sampling_rate();
+        void sampling_rate(int new_sampling_rate);
+
+        virtual void residual_frame(int synth_size, sample* synth,
+                                    int original_size, sample* original,
+                                    int residual_size, sample* residual);
+        virtual void find_residual(int synth_size, sample* synth,
+                                   int original_size, sample* original,
+                                   int residual_size, sample* residual);
+
+        virtual void synth_frame(Frame* frame);
+        virtual Frames synth(Frames frames);
+};
+
+
+} // end of namespace Simpl
+
+#endif
diff --git a/src/simpl/simplsms.cpp b/src/simpl/simplsms.cpp
new file mode 100644
index 0000000..108a828
--- /dev/null
+++ b/src/simpl/simplsms.cpp
@@ -0,0 +1,9 @@
+#include "simplsms.h"
+
+using namespace simpl;
+
+// ---------------------------------------------------------------------------
+// SMSPeakDetection
+// ---------------------------------------------------------------------------
+SMSPeakDetection::SMSPeakDetection() {
+}
diff --git a/src/simpl/simplsms.h b/src/simpl/simplsms.h
new file mode 100644
index 0000000..f7d6c27
--- /dev/null
+++ b/src/simpl/simplsms.h
@@ -0,0 +1,17 @@
+#ifndef SIMPLSMS_H
+#define SIMPLSMS_H
+
+#include <vector>
+#include "base.h"
+
+namespace simpl 
+{
+
+class SMSPeakDetection : public PeakDetection {
+    public:
+        SMSPeakDetection();
+};
+
+} // end of namespace Simpl
+
+#endif
diff --git a/src/simpl/synthesis.cpp b/src/simpl/synthesis.cpp
new file mode 100644
index 0000000..168749b
--- /dev/null
+++ b/src/simpl/synthesis.cpp
@@ -0,0 +1,57 @@
+#include "synthesis.h"
+
+using namespace std;
+using namespace simpl;
+
+
+// ---------------------------------------------------------------------------
+// Synthesis
+// ---------------------------------------------------------------------------
+Synthesis::Synthesis() {
+    _frame_size = 512;
+    _hop_size = 512;
+    _max_partials = 100;
+    _sampling_rate = 44100;
+}
+
+int Synthesis::frame_size() {
+    return _frame_size;
+}
+
+void Synthesis::frame_size(int new_frame_size) {
+    _frame_size = new_frame_size;
+}
+
+int Synthesis::hop_size() {
+    return _hop_size;
+}
+
+void Synthesis::hop_size(int new_hop_size) {
+    _hop_size = new_hop_size;
+}
+
+int Synthesis::max_partials() {
+    return _max_partials;
+}
+
+void Synthesis::max_partials(int new_max_partials) {
+    _max_partials = new_max_partials;
+}
+
+int Synthesis::sampling_rate() {
+    return _sampling_rate;
+}
+
+void Synthesis::sampling_rate(int new_sampling_rate) {
+    _sampling_rate = new_sampling_rate;
+}
+
+void Synthesis::synth_frame(Frame* frame) {
+}
+
+Frames Synthesis::synth(Frames frames) {
+    for(int i = 0; i < frames.size(); i++) {
+        synth_frame(frames[i]);
+    }
+    return frames;
+}
diff --git a/src/simpl/synthesis.h b/src/simpl/synthesis.h
new file mode 100644
index 0000000..43b45d0
--- /dev/null
+++ b/src/simpl/synthesis.h
@@ -0,0 +1,43 @@
+#ifndef SYNTHESIS_H
+#define SYNTHESIS_H
+
+#include "base.h"
+
+using namespace std;
+
+namespace simpl
+{
+
+
+// ---------------------------------------------------------------------------
+// Synthesis
+//
+// Synthesise audio from spectral analysis data
+// ---------------------------------------------------------------------------
+
+class Synthesis {
+    private:
+        int _frame_size;
+        int _hop_size;
+        int _max_partials;
+        int _sampling_rate;
+
+    public:
+        Synthesis();
+        int frame_size();
+        void frame_size(int new_frame_size);
+        int hop_size();
+        void hop_size(int new_hop_size);
+        int max_partials();
+        void max_partials(int new_max_partials);
+        int sampling_rate();
+        void sampling_rate(int new_sampling_rate);
+
+        virtual void synth_frame(Frame* frame);
+        virtual Frames synth(Frames frames);
+};
+
+
+} // end of namespace Simpl
+
+#endif
diff --git a/tests/test_base.py b/tests/test_base.py
index 1fe5881..9d3173a 100644
--- a/tests/test_base.py
+++ b/tests/test_base.py
@@ -1,7 +1,6 @@
 import os
 import numpy as np
 from nose.tools import assert_almost_equals
-import simpl
 import simpl.base as base
 
 float_precision = 5
@@ -69,70 +68,3 @@ class TestFrame(object):
                              float_precision)
         assert_almost_equals(f.partial(0).frequency, p.frequency,
                              float_precision)
-
-
-class TestPeakDetection(object):
-    @classmethod
-    def setup_class(cls):
-        cls.audio = simpl.read_wav(audio_path)[0]
-
-    def test_peak_detection(self):
-        pd = base.PeakDetection()
-        pd.find_peaks(self.audio)
-
-        assert len(pd.frames) == len(self.audio) / hop_size
-        assert len(pd.frames[0].peaks) == 0
-
-
-class TestPartialTracking(object):
-    @classmethod
-    def setup_class(cls):
-        cls.audio = simpl.read_wav(audio_path)[0]
-
-    def test_partial_tracking(self):
-        pd = base.PeakDetection()
-        frames = pd.find_peaks(self.audio)
-
-        pt = base.PartialTracking()
-        frames = pt.find_partials(frames)
-
-        assert len(frames) == len(self.audio) / hop_size
-        assert len(frames[0].partials) == 100
-
-
-class TestSynthesis(object):
-    @classmethod
-    def setup_class(cls):
-        cls.audio = simpl.read_wav(audio_path)[0]
-
-    def test_synthesis(self):
-        pd = base.PeakDetection()
-        frames = pd.find_peaks(self.audio)
-
-        pt = base.PartialTracking()
-        frames = pt.find_partials(frames)
-
-        s = base.Synthesis()
-        synth_audio = s.synth(frames)
-
-        assert len(synth_audio)
-
-
-class TestResidual(object):
-    @classmethod
-    def setup_class(cls):
-        cls.audio = simpl.read_wav(audio_path)[0]
-
-    def test_synthesis(self):
-        pd = base.PeakDetection()
-        frames = pd.find_peaks(self.audio)
-
-        pt = base.PartialTracking()
-        frames = pt.find_partials(frames)
-
-        s = base.Synthesis()
-        synth_audio = s.synth(frames)
-
-        r = base.Residual()
-        residual_audio = r.find_residual(synth_audio, self.audio)
-        assert len(residual_audio)
diff --git a/tests/test_partial_tracking.py b/tests/test_partial_tracking.py
new file mode 100644
index 0000000..004ded7
--- /dev/null
+++ b/tests/test_partial_tracking.py
@@ -0,0 +1,29 @@
+import os
+import numpy as np
+from nose.tools import assert_almost_equals
+import simpl
+import simpl.peak_detection as peak_detection
+import simpl.partial_tracking as partial_tracking
+
+float_precision = 5
+frame_size = 512
+hop_size = 512
+audio_path = os.path.join(
+    os.path.dirname(__file__), 'audio/flute.wav'
+)
+
+
+class TestPartialTracking(object):
+    @classmethod
+    def setup_class(cls):
+        cls.audio = simpl.read_wav(audio_path)[0]
+
+    def test_partial_tracking(self):
+        pd = peak_detection.PeakDetection()
+        frames = pd.find_peaks(self.audio)
+
+        pt = partial_tracking.PartialTracking()
+        frames = pt.find_partials(frames)
+
+        assert len(frames) == len(self.audio) / hop_size
+        assert len(frames[0].partials) == 100
diff --git a/tests/test_peak_detection.py b/tests/test_peak_detection.py
new file mode 100644
index 0000000..b24b701
--- /dev/null
+++ b/tests/test_peak_detection.py
@@ -0,0 +1,25 @@
+import os
+import numpy as np
+from nose.tools import assert_almost_equals
+import simpl
+import simpl.peak_detection as peak_detection
+
+float_precision = 5
+frame_size = 512
+hop_size = 512
+audio_path = os.path.join(
+    os.path.dirname(__file__), 'audio/flute.wav'
+)
+
+
+class TestPeakDetection(object):
+    @classmethod
+    def setup_class(cls):
+        cls.audio = simpl.read_wav(audio_path)[0]
+
+    def test_peak_detection(self):
+        pd = peak_detection.PeakDetection()
+        pd.find_peaks(self.audio)
+
+        assert len(pd.frames) == len(self.audio) / hop_size
+        assert len(pd.frames[0].peaks) == 0
diff --git a/tests/test_peakdetection.py b/tests/test_peakdetection.py
deleted file mode 100644
index 0cb24b2..0000000
--- a/tests/test_peakdetection.py
+++ /dev/null
@@ -1,9 +0,0 @@
-import simpl
-import numpy as np
-from scipy.io.wavfile import read
-
-
-class TestPeakDetection(object):
-    frame_size = 2048
-    hop_size = 512
-    max_peaks = 10
diff --git a/tests/test_residual.py b/tests/test_residual.py
new file mode 100644
index 0000000..205ee59
--- /dev/null
+++ b/tests/test_residual.py
@@ -0,0 +1,35 @@
+import os
+import numpy as np
+from nose.tools import assert_almost_equals
+import simpl
+import simpl.peak_detection as peak_detection
+import simpl.partial_tracking as partial_tracking
+import simpl.synthesis as synthesis
+import simpl.residual as residual
+
+float_precision = 5
+frame_size = 512
+hop_size = 512
+audio_path = os.path.join(
+    os.path.dirname(__file__), 'audio/flute.wav'
+)
+
+
+class TestResidual(object):
+    @classmethod
+    def setup_class(cls):
+        cls.audio = simpl.read_wav(audio_path)[0]
+
+    def test_synthesis(self):
+        pd = peak_detection.PeakDetection()
+        frames = pd.find_peaks(self.audio)
+
+        pt = partial_tracking.PartialTracking()
+        frames = pt.find_partials(frames)
+
+        s = synthesis.Synthesis()
+        synth_audio = s.synth(frames)
+
+        r = residual.Residual()
+        residual_audio = r.find_residual(synth_audio, self.audio)
+        assert len(residual_audio)
diff --git a/tests/test_sms.py b/tests/test_sms.py
index 514ead4..98b48c2 100644
--- a/tests/test_sms.py
+++ b/tests/test_sms.py
@@ -6,8 +6,6 @@ import simpl
 import simpl.simplsms as simplsms
 
 float_precision = 2
-frame_size = 512
-hop_size = 512
 audio_path = os.path.join(
     os.path.dirname(__file__), 'audio/flute.wav'
 )
diff --git a/tests/test_synthesis.py b/tests/test_synthesis.py
new file mode 100644
index 0000000..794b047
--- /dev/null
+++ b/tests/test_synthesis.py
@@ -0,0 +1,32 @@
+import os
+import numpy as np
+from nose.tools import assert_almost_equals
+import simpl
+import simpl.peak_detection as peak_detection
+import simpl.partial_tracking as partial_tracking
+import simpl.synthesis as synthesis
+
+float_precision = 5
+frame_size = 512
+hop_size = 512
+audio_path = os.path.join(
+    os.path.dirname(__file__), 'audio/flute.wav'
+)
+
+
+class TestSynthesis(object):
+    @classmethod
+    def setup_class(cls):
+        cls.audio = simpl.read_wav(audio_path)[0]
+
+    def test_synthesis(self):
+        pd = peak_detection.PeakDetection()
+        frames = pd.find_peaks(self.audio)
+
+        pt = partial_tracking.PartialTracking()
+        frames = pt.find_partials(frames)
+
+        s = synthesis.Synthesis()
+        synth_audio = s.synth(frames)
+
+        assert len(synth_audio)