From 39e0005e226ed6f04562e9d5d7548782fef81c20 Mon Sep 17 00:00:00 2001 From: John Glover Date: Tue, 21 Aug 2012 18:31:07 +0100 Subject: [sndobj] Update SndObj to use FFTW v3 (was using v2). Remove unused SndObj files. Whitespace clean up. --- src/sndobj/rfftw/fhb_4.c | 193 ----------------------------------------------- 1 file changed, 193 deletions(-) delete mode 100644 src/sndobj/rfftw/fhb_4.c (limited to 'src/sndobj/rfftw/fhb_4.c') 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 -#include - -/* 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, -}; -- cgit v1.2.3