diff options
| author | John Glover <glover.john@gmail.com> | 2010-10-18 17:32:05 +0100 |
|---|---|---|
| committer | John Glover <glover.john@gmail.com> | 2010-10-18 17:32:05 +0100 |
| commit | 30755b92afeae5a5a32860b4f4297180f6d3398d (patch) | |
| tree | c9332a65adc6a27016678fccee6ce979d87fed07 /sndobj/rfftw/fcr_7.c | |
| parent | 58a7c36c5a219d8306f276db157097ac30782079 (diff) | |
| download | simpl-30755b92afeae5a5a32860b4f4297180f6d3398d.tar.gz simpl-30755b92afeae5a5a32860b4f4297180f6d3398d.tar.bz2 simpl-30755b92afeae5a5a32860b4f4297180f6d3398d.zip | |
Moved project over to Git
Diffstat (limited to 'sndobj/rfftw/fcr_7.c')
| -rw-r--r-- | sndobj/rfftw/fcr_7.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/sndobj/rfftw/fcr_7.c b/sndobj/rfftw/fcr_7.c new file mode 100644 index 0000000..311fd7f --- /dev/null +++ b/sndobj/rfftw/fcr_7.c @@ -0,0 +1,96 @@ +/*
+ * 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 20:44:19 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 7 */
+
+/*
+ * This function contains 24 FP additions, 19 FP multiplications,
+ * (or, 23 additions, 18 multiplications, 1 fused multiply/add),
+ * 13 stack variables, and 14 memory accesses
+ */
+static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
+static const fftw_real K1_801937735 = FFTW_KONST(+1.801937735804838252472204639014890102331838324);
+static const fftw_real K445041867 = FFTW_KONST(+0.445041867912628808577805128993589518932711138);
+static const fftw_real K1_246979603 = FFTW_KONST(+1.246979603717467061050009768008479621264549462);
+static const fftw_real K867767478 = FFTW_KONST(+0.867767478235116240951536665696717509219981456);
+static const fftw_real K1_949855824 = FFTW_KONST(+1.949855824363647214036263365987862434465571601);
+static const fftw_real K1_563662964 = FFTW_KONST(+1.563662964936059617416889053348115500464669037);
+
+/*
+ * Generator Id's :
+ * $Id: fcr_7.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $
+ * $Id: fcr_7.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $
+ * $Id: fcr_7.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $
+ */
+
+void fftw_hc2real_7(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
+{
+ fftw_real tmp9;
+ fftw_real tmp13;
+ fftw_real tmp11;
+ fftw_real tmp1;
+ fftw_real tmp4;
+ fftw_real tmp2;
+ fftw_real tmp3;
+ fftw_real tmp5;
+ fftw_real tmp12;
+ fftw_real tmp10;
+ fftw_real tmp6;
+ fftw_real tmp8;
+ fftw_real tmp7;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp6 = imag_input[2 * imag_istride];
+ tmp8 = imag_input[imag_istride];
+ tmp7 = imag_input[3 * imag_istride];
+ tmp9 = (K1_563662964 * tmp6) - (K1_949855824 * tmp7) - (K867767478 * tmp8);
+ tmp13 = (K867767478 * tmp6) + (K1_563662964 * tmp7) - (K1_949855824 * tmp8);
+ tmp11 = (K1_563662964 * tmp8) + (K1_949855824 * tmp6) + (K867767478 * tmp7);
+ tmp1 = real_input[0];
+ tmp4 = real_input[3 * real_istride];
+ tmp2 = real_input[real_istride];
+ tmp3 = real_input[2 * real_istride];
+ tmp5 = tmp1 + (K1_246979603 * tmp3) - (K445041867 * tmp4) - (K1_801937735 * tmp2);
+ tmp12 = tmp1 + (K1_246979603 * tmp4) - (K1_801937735 * tmp3) - (K445041867 * tmp2);
+ tmp10 = tmp1 + (K1_246979603 * tmp2) - (K1_801937735 * tmp4) - (K445041867 * tmp3);
+ output[4 * ostride] = tmp5 - tmp9;
+ output[3 * ostride] = tmp5 + tmp9;
+ output[0] = tmp1 + (K2_000000000 * (tmp2 + tmp3 + tmp4));
+ output[2 * ostride] = tmp12 + tmp13;
+ output[5 * ostride] = tmp12 - tmp13;
+ output[6 * ostride] = tmp10 + tmp11;
+ output[ostride] = tmp10 - tmp11;
+}
+
+fftw_codelet_desc fftw_hc2real_7_desc =
+{
+ "fftw_hc2real_7",
+ (void (*)()) fftw_hc2real_7,
+ 7,
+ FFTW_BACKWARD,
+ FFTW_HC2REAL,
+ 169,
+ 0,
+ (const int *) 0,
+};
|