diff options
Diffstat (limited to 'src/sndobj/rfftw/fhb_4.c')
| -rw-r--r-- | src/sndobj/rfftw/fhb_4.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/src/sndobj/rfftw/fhb_4.c b/src/sndobj/rfftw/fhb_4.c deleted file mode 100644 index 5400df3..0000000 --- a/src/sndobj/rfftw/fhb_4.c +++ /dev/null @@ -1,193 +0,0 @@ -/*
- * 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 20:45:10 EST 1999 */
-
-#include <fftw-int.h>
-#include <fftw.h>
-
-/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-backward 4 */
-
-/*
- * This function contains 34 FP additions, 18 FP multiplications,
- * (or, 28 additions, 12 multiplications, 6 fused multiply/add),
- * 15 stack variables, and 32 memory accesses
- */
-static const fftw_real K1_414213562 = FFTW_KONST(+1.414213562373095048801688724209698078569671875);
-static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
-
-/*
- * Generator Id's :
- * $Id: fhb_4.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $
- * $Id: fhb_4.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $
- * $Id: fhb_4.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $
- */
-
-void fftw_hc2hc_backward_4(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist)
-{
- int i;
- fftw_real *X;
- fftw_real *Y;
- X = A;
- Y = A + (4 * iostride);
- {
- fftw_real tmp39;
- fftw_real tmp42;
- fftw_real tmp37;
- fftw_real tmp40;
- ASSERT_ALIGNED_DOUBLE;
- {
- fftw_real tmp38;
- fftw_real tmp41;
- fftw_real tmp35;
- fftw_real tmp36;
- ASSERT_ALIGNED_DOUBLE;
- tmp38 = X[iostride];
- tmp39 = K2_000000000 * tmp38;
- tmp41 = Y[-iostride];
- tmp42 = K2_000000000 * tmp41;
- tmp35 = X[0];
- tmp36 = X[2 * iostride];
- tmp37 = tmp35 + tmp36;
- tmp40 = tmp35 - tmp36;
- }
- X[2 * iostride] = tmp37 - tmp39;
- X[0] = tmp37 + tmp39;
- X[3 * iostride] = tmp40 + tmp42;
- X[iostride] = tmp40 - tmp42;
- }
- X = X + dist;
- Y = Y - dist;
- for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 3) {
- fftw_real tmp9;
- fftw_real tmp28;
- fftw_real tmp18;
- fftw_real tmp25;
- fftw_real tmp12;
- fftw_real tmp24;
- fftw_real tmp21;
- fftw_real tmp29;
- ASSERT_ALIGNED_DOUBLE;
- {
- fftw_real tmp7;
- fftw_real tmp8;
- fftw_real tmp16;
- fftw_real tmp17;
- ASSERT_ALIGNED_DOUBLE;
- tmp7 = X[0];
- tmp8 = Y[-2 * iostride];
- tmp9 = tmp7 + tmp8;
- tmp28 = tmp7 - tmp8;
- tmp16 = Y[0];
- tmp17 = X[2 * iostride];
- tmp18 = tmp16 - tmp17;
- tmp25 = tmp16 + tmp17;
- }
- {
- fftw_real tmp10;
- fftw_real tmp11;
- fftw_real tmp19;
- fftw_real tmp20;
- ASSERT_ALIGNED_DOUBLE;
- tmp10 = X[iostride];
- tmp11 = Y[-3 * iostride];
- tmp12 = tmp10 + tmp11;
- tmp24 = tmp10 - tmp11;
- tmp19 = Y[-iostride];
- tmp20 = X[3 * iostride];
- tmp21 = tmp19 - tmp20;
- tmp29 = tmp19 + tmp20;
- }
- X[0] = tmp9 + tmp12;
- {
- fftw_real tmp14;
- fftw_real tmp22;
- fftw_real tmp13;
- fftw_real tmp15;
- ASSERT_ALIGNED_DOUBLE;
- tmp14 = tmp9 - tmp12;
- tmp22 = tmp18 - tmp21;
- tmp13 = c_re(W[1]);
- tmp15 = c_im(W[1]);
- X[2 * iostride] = (tmp13 * tmp14) + (tmp15 * tmp22);
- Y[-iostride] = (tmp13 * tmp22) - (tmp15 * tmp14);
- }
- Y[-3 * iostride] = tmp18 + tmp21;
- {
- fftw_real tmp26;
- fftw_real tmp30;
- fftw_real tmp23;
- fftw_real tmp27;
- ASSERT_ALIGNED_DOUBLE;
- tmp26 = tmp24 + tmp25;
- tmp30 = tmp28 - tmp29;
- tmp23 = c_re(W[0]);
- tmp27 = c_im(W[0]);
- Y[-2 * iostride] = (tmp23 * tmp26) - (tmp27 * tmp30);
- X[iostride] = (tmp27 * tmp26) + (tmp23 * tmp30);
- }
- {
- fftw_real tmp32;
- fftw_real tmp34;
- fftw_real tmp31;
- fftw_real tmp33;
- ASSERT_ALIGNED_DOUBLE;
- tmp32 = tmp25 - tmp24;
- tmp34 = tmp28 + tmp29;
- tmp31 = c_re(W[2]);
- tmp33 = c_im(W[2]);
- Y[0] = (tmp31 * tmp32) - (tmp33 * tmp34);
- X[3 * iostride] = (tmp33 * tmp32) + (tmp31 * tmp34);
- }
- }
- if (i == m) {
- fftw_real tmp1;
- fftw_real tmp2;
- fftw_real tmp3;
- fftw_real tmp4;
- fftw_real tmp5;
- fftw_real tmp6;
- ASSERT_ALIGNED_DOUBLE;
- tmp1 = X[0];
- tmp2 = X[iostride];
- tmp3 = tmp1 - tmp2;
- tmp4 = Y[0];
- tmp5 = Y[-iostride];
- tmp6 = tmp4 + tmp5;
- X[0] = K2_000000000 * (tmp1 + tmp2);
- X[2 * iostride] = -(K2_000000000 * (tmp4 - tmp5));
- X[iostride] = K1_414213562 * (tmp3 - tmp6);
- X[3 * iostride] = -(K1_414213562 * (tmp3 + tmp6));
- }
-}
-
-static const int twiddle_order[] =
-{1, 2, 3};
-fftw_codelet_desc fftw_hc2hc_backward_4_desc =
-{
- "fftw_hc2hc_backward_4",
- (void (*)()) fftw_hc2hc_backward_4,
- 4,
- FFTW_BACKWARD,
- FFTW_HC2HC,
- 102,
- 3,
- twiddle_order,
-};
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