From 9438ea161e94491fc4f73df3a68ce9229193deda Mon Sep 17 00:00:00 2001
From: Jamie Bullock <jamie@jamiebullock.com>
Date: Wed, 19 Jun 2013 16:04:42 -0700
Subject: Don't read past end of spectral data array

---
 src/vector.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/vector.c')

diff --git a/src/vector.c b/src/vector.c
index 5d88882..14bee9d 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -116,6 +116,11 @@ int xtract_spectrum(const double *data, const int N, const void *argv, double *r
             {
                 ++n;
             }
+            if(n == M)
+            {
+                XTRACT_SET_FREQUENCY;
+                break;
+            }
 
             real = fft[n*2];
             imag = fft[n*2+1];
@@ -161,6 +166,11 @@ int xtract_spectrum(const double *data, const int N, const void *argv, double *r
             {
                 ++n;
             }
+            if(n == M)
+            {
+                XTRACT_SET_FREQUENCY;
+                break;
+            }
 
             real = fft[n*2];
             imag = fft[n*2+1];
@@ -192,6 +202,11 @@ int xtract_spectrum(const double *data, const int N, const void *argv, double *r
             {
                 ++n;
             }
+            if(n == M)
+            {
+                XTRACT_SET_FREQUENCY;
+                break;
+            }
 
             real = fft[n*2];
             imag = fft[n*2+1];
@@ -231,6 +246,12 @@ int xtract_spectrum(const double *data, const int N, const void *argv, double *r
             {
                 ++n;
             }
+            if(n == M)
+            {
+                XTRACT_SET_FREQUENCY;
+                break;
+            }
+
             real = fft[n*2];
             imag = fft[n*2+1];
 #else
-- 
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