First commit - moving from LuaForge to SourceForge

1 files changed, 121 insertions, 0 deletions

diff --git a/src/fftw/ftw_3.c b/src/fftw/ftw_3.c
new file mode 100644
index 0000000..63ea592
--- /dev/null
+++ b/src/fftw/ftw_3.c
@@ -0,0 +1,121 @@
+/*
+ * 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 3 */
+
+/*
+ * This function contains 16 FP additions, 12 FP multiplications,
+ * (or, 10 additions, 6 multiplications, 6 fused multiply/add),
+ * 14 stack variables, and 12 memory accesses
+ */
+static const fftw_real K866025403 =
+FFTW_KONST(+0.866025403784438646763723170752936183471402627);
+static const fftw_real K500000000 =
+FFTW_KONST(+0.500000000000000000000000000000000000000000000);
+
+/*
+ * Generator Id's : 
+ * $Id: ftw_3.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: ftw_3.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: ftw_3.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ */
+
+void fftw_twiddle_3(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 + 2) {
+	  fftw_real tmp1;
+	  fftw_real tmp18;
+	  fftw_real tmp6;
+	  fftw_real tmp14;
+	  fftw_real tmp11;
+	  fftw_real tmp15;
+	  fftw_real tmp12;
+	  fftw_real tmp17;
+	  ASSERT_ALIGNED_DOUBLE;
+	  tmp1 = c_re(inout[0]);
+	  tmp18 = 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);
+	       tmp14 = (tmp4 * tmp3) + (tmp2 * tmp5);
+	  }
+	  {
+	       fftw_real tmp8;
+	       fftw_real tmp10;
+	       fftw_real tmp7;
+	       fftw_real tmp9;
+	       ASSERT_ALIGNED_DOUBLE;
+	       tmp8 = c_re(inout[2 * iostride]);
+	       tmp10 = c_im(inout[2 * iostride]);
+	       tmp7 = c_re(W[1]);
+	       tmp9 = c_im(W[1]);
+	       tmp11 = (tmp7 * tmp8) - (tmp9 * tmp10);
+	       tmp15 = (tmp9 * tmp8) + (tmp7 * tmp10);
+	  }
+	  tmp12 = tmp6 + tmp11;
+	  tmp17 = tmp14 + tmp15;
+	  {
+	       fftw_real tmp13;
+	       fftw_real tmp16;
+	       fftw_real tmp19;
+	       fftw_real tmp20;
+	       ASSERT_ALIGNED_DOUBLE;
+	       c_re(inout[0]) = tmp1 + tmp12;
+	       tmp13 = tmp1 - (K500000000 * tmp12);
+	       tmp16 = K866025403 * (tmp14 - tmp15);
+	       c_re(inout[2 * iostride]) = tmp13 - tmp16;
+	       c_re(inout[iostride]) = tmp13 + tmp16;
+	       c_im(inout[0]) = tmp17 + tmp18;
+	       tmp19 = K866025403 * (tmp11 - tmp6);
+	       tmp20 = tmp18 - (K500000000 * tmp17);
+	       c_im(inout[iostride]) = tmp19 + tmp20;
+	       c_im(inout[2 * iostride]) = tmp20 - tmp19;
+	  }
+     }
+}
+
+static const int twiddle_order[] = { 1, 2 };
+fftw_codelet_desc fftw_twiddle_3_desc = {
+     "fftw_twiddle_3",
+     (void (*)()) fftw_twiddle_3,
+     3,
+     FFTW_FORWARD,
+     FFTW_TWIDDLE,
+     66,
+     2,
+     twiddle_order,
+};