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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_12.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_12.c')
| -rw-r--r-- | sndobj/rfftw/fcr_12.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/sndobj/rfftw/fcr_12.c b/sndobj/rfftw/fcr_12.c new file mode 100644 index 0000000..effd9a0 --- /dev/null +++ b/sndobj/rfftw/fcr_12.c @@ -0,0 +1,168 @@ +/*
+ * 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 20:44:23 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 12 */
+
+/*
+ * This function contains 38 FP additions, 10 FP multiplications,
+ * (or, 34 additions, 6 multiplications, 4 fused multiply/add),
+ * 22 stack variables, and 24 memory accesses
+ */
+static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);
+static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
+
+/*
+ * Generator Id's :
+ * $Id: fcr_12.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $
+ * $Id: fcr_12.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $
+ * $Id: fcr_12.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $
+ */
+
+void fftw_hc2real_12(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
+{
+ fftw_real tmp8;
+ fftw_real tmp11;
+ fftw_real tmp22;
+ fftw_real tmp36;
+ fftw_real tmp32;
+ fftw_real tmp33;
+ fftw_real tmp25;
+ fftw_real tmp37;
+ fftw_real tmp3;
+ fftw_real tmp27;
+ fftw_real tmp16;
+ fftw_real tmp6;
+ fftw_real tmp28;
+ fftw_real tmp20;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp9;
+ fftw_real tmp10;
+ fftw_real tmp23;
+ fftw_real tmp24;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp8 = real_input[3 * real_istride];
+ tmp9 = real_input[5 * real_istride];
+ tmp10 = real_input[real_istride];
+ tmp11 = tmp9 + tmp10;
+ tmp22 = (K2_000000000 * tmp8) - tmp11;
+ tmp36 = K1_732050807 * (tmp9 - tmp10);
+ tmp32 = imag_input[3 * imag_istride];
+ tmp23 = imag_input[5 * imag_istride];
+ tmp24 = imag_input[imag_istride];
+ tmp33 = tmp23 + tmp24;
+ tmp25 = K1_732050807 * (tmp23 - tmp24);
+ tmp37 = (K2_000000000 * tmp32) + tmp33;
+ }
+ {
+ fftw_real tmp15;
+ fftw_real tmp1;
+ fftw_real tmp2;
+ fftw_real tmp13;
+ fftw_real tmp14;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp14 = imag_input[4 * imag_istride];
+ tmp15 = K1_732050807 * tmp14;
+ tmp1 = real_input[0];
+ tmp2 = real_input[4 * real_istride];
+ tmp13 = tmp1 - tmp2;
+ tmp3 = tmp1 + (K2_000000000 * tmp2);
+ tmp27 = tmp13 - tmp15;
+ tmp16 = tmp13 + tmp15;
+ }
+ {
+ fftw_real tmp19;
+ fftw_real tmp4;
+ fftw_real tmp5;
+ fftw_real tmp17;
+ fftw_real tmp18;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp18 = imag_input[2 * imag_istride];
+ tmp19 = K1_732050807 * tmp18;
+ tmp4 = real_input[6 * real_istride];
+ tmp5 = real_input[2 * real_istride];
+ tmp17 = tmp4 - tmp5;
+ tmp6 = tmp4 + (K2_000000000 * tmp5);
+ tmp28 = tmp17 + tmp19;
+ tmp20 = tmp17 - tmp19;
+ }
+ {
+ fftw_real tmp7;
+ fftw_real tmp12;
+ fftw_real tmp39;
+ fftw_real tmp40;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp7 = tmp3 + tmp6;
+ tmp12 = K2_000000000 * (tmp8 + tmp11);
+ output[6 * ostride] = tmp7 - tmp12;
+ output[0] = tmp7 + tmp12;
+ {
+ fftw_real tmp31;
+ fftw_real tmp34;
+ fftw_real tmp21;
+ fftw_real tmp26;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp31 = tmp3 - tmp6;
+ tmp34 = K2_000000000 * (tmp32 - tmp33);
+ output[9 * ostride] = tmp31 - tmp34;
+ output[3 * ostride] = tmp31 + tmp34;
+ tmp21 = tmp16 + tmp20;
+ tmp26 = tmp22 - tmp25;
+ output[2 * ostride] = tmp21 - tmp26;
+ output[8 * ostride] = tmp21 + tmp26;
+ }
+ tmp39 = tmp16 - tmp20;
+ tmp40 = tmp37 - tmp36;
+ output[5 * ostride] = tmp39 - tmp40;
+ output[11 * ostride] = tmp39 + tmp40;
+ {
+ fftw_real tmp35;
+ fftw_real tmp38;
+ fftw_real tmp29;
+ fftw_real tmp30;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp35 = tmp27 - tmp28;
+ tmp38 = tmp36 + tmp37;
+ output[ostride] = tmp35 - tmp38;
+ output[7 * ostride] = tmp35 + tmp38;
+ tmp29 = tmp27 + tmp28;
+ tmp30 = tmp22 + tmp25;
+ output[10 * ostride] = tmp29 - tmp30;
+ output[4 * ostride] = tmp29 + tmp30;
+ }
+ }
+}
+
+fftw_codelet_desc fftw_hc2real_12_desc =
+{
+ "fftw_hc2real_12",
+ (void (*)()) fftw_hc2real_12,
+ 12,
+ FFTW_BACKWARD,
+ FFTW_HC2REAL,
+ 279,
+ 0,
+ (const int *) 0,
+};
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