First commit - moving from LuaForge to SourceForge

1 files changed, 85 insertions, 0 deletions

diff --git a/src/fftw/ftw_2.c b/src/fftw/ftw_2.c
new file mode 100644
index 0000000..3c82074
--- /dev/null
+++ b/src/fftw/ftw_2.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 1997-1999, 2003 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 Mon Mar 24 02:07:31 EST 2003 */
+
+#include "fftw-int.h"
+#include "fftw.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddle 2 */
+
+/*
+ * This function contains 6 FP additions, 4 FP multiplications,
+ * (or, 4 additions, 2 multiplications, 2 fused multiply/add),
+ * 10 stack variables, and 8 memory accesses
+ */
+
+/*
+ * Generator Id's : 
+ * $Id: ftw_2.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: ftw_2.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: ftw_2.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ */
+
+void fftw_twiddle_2(fftw_complex *A, const fftw_complex *W, int iostride,
+		    int m, int dist)
+{
+     int i;
+     fftw_complex *inout;
+     inout = A;
+     for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 1) {
+	  fftw_real tmp1;
+	  fftw_real tmp8;
+	  fftw_real tmp6;
+	  fftw_real tmp7;
+	  ASSERT_ALIGNED_DOUBLE;
+	  tmp1 = c_re(inout[0]);
+	  tmp8 = c_im(inout[0]);
+	  {
+	       fftw_real tmp3;
+	       fftw_real tmp5;
+	       fftw_real tmp2;
+	       fftw_real tmp4;
+	       ASSERT_ALIGNED_DOUBLE;
+	       tmp3 = c_re(inout[iostride]);
+	       tmp5 = c_im(inout[iostride]);
+	       tmp2 = c_re(W[0]);
+	       tmp4 = c_im(W[0]);
+	       tmp6 = (tmp2 * tmp3) - (tmp4 * tmp5);
+	       tmp7 = (tmp4 * tmp3) + (tmp2 * tmp5);
+	  }
+	  c_re(inout[iostride]) = tmp1 - tmp6;
+	  c_re(inout[0]) = tmp1 + tmp6;
+	  c_im(inout[0]) = tmp7 + tmp8;
+	  c_im(inout[iostride]) = tmp8 - tmp7;
+     }
+}
+
+static const int twiddle_order[] = { 1 };
+fftw_codelet_desc fftw_twiddle_2_desc = {
+     "fftw_twiddle_2",
+     (void (*)()) fftw_twiddle_2,
+     2,
+     FFTW_FORWARD,
+     FFTW_TWIDDLE,
+     44,
+     1,
+     twiddle_order,
+};