From 30755b92afeae5a5a32860b4f4297180f6d3398d Mon Sep 17 00:00:00 2001
From: John Glover <glover.john@gmail.com>
Date: Mon, 18 Oct 2010 17:32:05 +0100
Subject: Moved project over to Git

---
 sndobj/rfftw/fhf_2.c | 108 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 sndobj/rfftw/fhf_2.c

(limited to 'sndobj/rfftw/fhf_2.c')

diff --git a/sndobj/rfftw/fhf_2.c b/sndobj/rfftw/fhf_2.c
new file mode 100644
index 0000000..60808be
--- /dev/null
+++ b/sndobj/rfftw/fhf_2.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 1997-1999 Massachusetts Institute of Technology
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+/* This file was automatically generated --- DO NOT EDIT */
+/* Generated on Sun Nov  7 20:44:42 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-forward 2 */
+
+/*
+ * This function contains 8 FP additions, 4 FP multiplications,
+ * (or, 6 additions, 2 multiplications, 2 fused multiply/add),
+ * 11 stack variables, and 16 memory accesses
+ */
+
+/*
+ * Generator Id's : 
+ * $Id: fhf_2.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ * $Id: fhf_2.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ * $Id: fhf_2.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ */
+
+void fftw_hc2hc_forward_2(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist)
+{
+     int i;
+     fftw_real *X;
+     fftw_real *Y;
+     X = A;
+     Y = A + (2 * iostride);
+     {
+	  fftw_real tmp11;
+	  fftw_real tmp12;
+	  ASSERT_ALIGNED_DOUBLE;
+	  tmp11 = X[0];
+	  tmp12 = X[iostride];
+	  X[iostride] = tmp11 - tmp12;
+	  X[0] = tmp11 + tmp12;
+     }
+     X = X + dist;
+     Y = Y - dist;
+     for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 1) {
+	  fftw_real tmp3;
+	  fftw_real tmp9;
+	  fftw_real tmp8;
+	  fftw_real tmp10;
+	  ASSERT_ALIGNED_DOUBLE;
+	  tmp3 = X[0];
+	  tmp9 = Y[-iostride];
+	  {
+	       fftw_real tmp5;
+	       fftw_real tmp7;
+	       fftw_real tmp4;
+	       fftw_real tmp6;
+	       ASSERT_ALIGNED_DOUBLE;
+	       tmp5 = X[iostride];
+	       tmp7 = Y[0];
+	       tmp4 = c_re(W[0]);
+	       tmp6 = c_im(W[0]);
+	       tmp8 = (tmp4 * tmp5) - (tmp6 * tmp7);
+	       tmp10 = (tmp6 * tmp5) + (tmp4 * tmp7);
+	  }
+	  Y[-iostride] = tmp3 - tmp8;
+	  X[0] = tmp3 + tmp8;
+	  X[iostride] = -(tmp9 - tmp10);
+	  Y[0] = tmp10 + tmp9;
+     }
+     if (i == m) {
+	  fftw_real tmp1;
+	  fftw_real tmp2;
+	  ASSERT_ALIGNED_DOUBLE;
+	  tmp1 = X[0];
+	  X[0] = tmp1;
+	  tmp2 = X[iostride];
+	  Y[0] = -tmp2;
+     }
+}
+
+static const int twiddle_order[] =
+{1};
+fftw_codelet_desc fftw_hc2hc_forward_2_desc =
+{
+     "fftw_hc2hc_forward_2",
+     (void (*)()) fftw_hc2hc_forward_2,
+     2,
+     FFTW_FORWARD,
+     FFTW_HC2HC,
+     47,
+     1,
+     twiddle_order,
+};
-- 
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