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| 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_6.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_6.c')
| -rw-r--r-- | sndobj/rfftw/fcr_6.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sndobj/rfftw/fcr_6.c b/sndobj/rfftw/fcr_6.c new file mode 100644 index 0000000..10865c9 --- /dev/null +++ b/sndobj/rfftw/fcr_6.c @@ -0,0 +1,95 @@ +/*
+ * 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 6 */
+
+/*
+ * This function contains 14 FP additions, 4 FP multiplications,
+ * (or, 12 additions, 2 multiplications, 2 fused multiply/add),
+ * 14 stack variables, and 12 memory accesses
+ */
+static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
+static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);
+
+/*
+ * Generator Id's :
+ * $Id: fcr_6.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ * $Id: fcr_6.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ * $Id: fcr_6.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ */
+
+void fftw_hc2real_6(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
+{
+ fftw_real tmp3;
+ fftw_real tmp7;
+ fftw_real tmp12;
+ fftw_real tmp14;
+ fftw_real tmp6;
+ fftw_real tmp8;
+ fftw_real tmp1;
+ fftw_real tmp2;
+ fftw_real tmp13;
+ fftw_real tmp9;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp1 = real_input[0];
+ tmp2 = real_input[3 * real_istride];
+ tmp3 = tmp1 - tmp2;
+ tmp7 = tmp1 + tmp2;
+ {
+ fftw_real tmp10;
+ fftw_real tmp11;
+ fftw_real tmp4;
+ fftw_real tmp5;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp10 = imag_input[2 * imag_istride];
+ tmp11 = imag_input[imag_istride];
+ tmp12 = K1_732050807 * (tmp10 - tmp11);
+ tmp14 = K1_732050807 * (tmp10 + tmp11);
+ tmp4 = real_input[2 * real_istride];
+ tmp5 = real_input[real_istride];
+ tmp6 = tmp4 - tmp5;
+ tmp8 = tmp4 + tmp5;
+ }
+ output[3 * ostride] = tmp3 + (K2_000000000 * tmp6);
+ tmp13 = tmp3 - tmp6;
+ output[ostride] = tmp13 - tmp14;
+ output[5 * ostride] = tmp13 + tmp14;
+ output[0] = tmp7 + (K2_000000000 * tmp8);
+ tmp9 = tmp7 - tmp8;
+ output[4 * ostride] = tmp9 - tmp12;
+ output[2 * ostride] = tmp9 + tmp12;
+}
+
+fftw_codelet_desc fftw_hc2real_6_desc =
+{
+ "fftw_hc2real_6",
+ (void (*)()) fftw_hc2real_6,
+ 6,
+ FFTW_BACKWARD,
+ FFTW_HC2REAL,
+ 147,
+ 0,
+ (const int *) 0,
+};
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