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/fhf_4.c | 185 ----------------------------------------------- 1 file changed, 185 deletions(-) delete mode 100644 src/sndobj/rfftw/fhf_4.c (limited to 'src/sndobj/rfftw/fhf_4.c') diff --git a/src/sndobj/rfftw/fhf_4.c b/src/sndobj/rfftw/fhf_4.c deleted file mode 100644 index cc1a8ae..0000000 --- a/src/sndobj/rfftw/fhf_4.c +++ /dev/null @@ -1,185 +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 20:44:43 EST 1999 */ - -#include -#include - -/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-forward 4 */ - -/* - * This function contains 34 FP additions, 14 FP multiplications, - * (or, 28 additions, 8 multiplications, 6 fused multiply/add), - * 15 stack variables, and 32 memory accesses - */ -static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938); - -/* - * Generator Id's : - * $Id: fhf_4.c,v 1.1.1.1 2006/05/12 15:14:48 veplaini Exp $ - * $Id: fhf_4.c,v 1.1.1.1 2006/05/12 15:14:48 veplaini Exp $ - * $Id: fhf_4.c,v 1.1.1.1 2006/05/12 15:14:48 veplaini Exp $ - */ - -void fftw_hc2hc_forward_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 tmp35; - fftw_real tmp36; - fftw_real tmp37; - fftw_real tmp38; - fftw_real tmp39; - fftw_real tmp40; - ASSERT_ALIGNED_DOUBLE; - tmp35 = X[0]; - tmp36 = X[2 * iostride]; - tmp37 = tmp35 + tmp36; - tmp38 = X[iostride]; - tmp39 = X[3 * iostride]; - tmp40 = tmp38 + tmp39; - X[iostride] = tmp35 - tmp36; - Y[-iostride] = -(tmp38 - tmp39); - X[2 * iostride] = tmp37 - tmp40; - X[0] = tmp37 + tmp40; - } - 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 tmp7; - fftw_real tmp30; - fftw_real tmp12; - fftw_real tmp29; - fftw_real tmp18; - fftw_real tmp26; - fftw_real tmp23; - fftw_real tmp27; - ASSERT_ALIGNED_DOUBLE; - tmp7 = X[0]; - tmp30 = Y[-3 * iostride]; - { - fftw_real tmp9; - fftw_real tmp11; - fftw_real tmp8; - fftw_real tmp10; - ASSERT_ALIGNED_DOUBLE; - tmp9 = X[2 * iostride]; - tmp11 = Y[-iostride]; - tmp8 = c_re(W[1]); - tmp10 = c_im(W[1]); - tmp12 = (tmp8 * tmp9) - (tmp10 * tmp11); - tmp29 = (tmp10 * tmp9) + (tmp8 * tmp11); - } - { - fftw_real tmp15; - fftw_real tmp17; - fftw_real tmp14; - fftw_real tmp16; - ASSERT_ALIGNED_DOUBLE; - tmp15 = X[iostride]; - tmp17 = Y[-2 * iostride]; - tmp14 = c_re(W[0]); - tmp16 = c_im(W[0]); - tmp18 = (tmp14 * tmp15) - (tmp16 * tmp17); - tmp26 = (tmp16 * tmp15) + (tmp14 * tmp17); - } - { - fftw_real tmp20; - fftw_real tmp22; - fftw_real tmp19; - fftw_real tmp21; - ASSERT_ALIGNED_DOUBLE; - tmp20 = X[3 * iostride]; - tmp22 = Y[0]; - tmp19 = c_re(W[2]); - tmp21 = c_im(W[2]); - tmp23 = (tmp19 * tmp20) - (tmp21 * tmp22); - tmp27 = (tmp21 * tmp20) + (tmp19 * tmp22); - } - { - fftw_real tmp13; - fftw_real tmp24; - fftw_real tmp33; - fftw_real tmp34; - ASSERT_ALIGNED_DOUBLE; - tmp13 = tmp7 + tmp12; - tmp24 = tmp18 + tmp23; - Y[-2 * iostride] = tmp13 - tmp24; - X[0] = tmp13 + tmp24; - tmp33 = tmp18 - tmp23; - tmp34 = tmp30 - tmp29; - X[3 * iostride] = -(tmp33 + tmp34); - Y[-iostride] = tmp34 - tmp33; - } - { - fftw_real tmp31; - fftw_real tmp32; - fftw_real tmp25; - fftw_real tmp28; - ASSERT_ALIGNED_DOUBLE; - tmp31 = tmp29 + tmp30; - tmp32 = tmp26 + tmp27; - X[2 * iostride] = -(tmp31 - tmp32); - Y[0] = tmp32 + tmp31; - tmp25 = tmp7 - tmp12; - tmp28 = tmp26 - tmp27; - Y[-3 * iostride] = tmp25 - tmp28; - X[iostride] = tmp25 + tmp28; - } - } - if (i == m) { - fftw_real tmp1; - fftw_real tmp6; - fftw_real tmp4; - fftw_real tmp5; - fftw_real tmp2; - fftw_real tmp3; - ASSERT_ALIGNED_DOUBLE; - tmp1 = X[0]; - tmp6 = X[2 * iostride]; - tmp2 = X[iostride]; - tmp3 = X[3 * iostride]; - tmp4 = K707106781 * (tmp2 - tmp3); - tmp5 = K707106781 * (tmp2 + tmp3); - X[iostride] = tmp1 - tmp4; - X[0] = tmp1 + tmp4; - Y[0] = -(tmp5 + tmp6); - Y[-iostride] = tmp6 - tmp5; - } -} - -static const int twiddle_order[] = -{1, 2, 3}; -fftw_codelet_desc fftw_hc2hc_forward_4_desc = -{ - "fftw_hc2hc_forward_4", - (void (*)()) fftw_hc2hc_forward_4, - 4, - FFTW_FORWARD, - FFTW_HC2HC, - 91, - 3, - twiddle_order, -}; -- cgit v1.2.3