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_3.c | 158 ----------------------------------------------- 1 file changed, 158 deletions(-) delete mode 100644 src/sndobj/rfftw/fhb_3.c (limited to 'src/sndobj/rfftw/fhb_3.c') diff --git a/src/sndobj/rfftw/fhb_3.c b/src/sndobj/rfftw/fhb_3.c deleted file mode 100644 index abde8d0..0000000 --- a/src/sndobj/rfftw/fhb_3.c +++ /dev/null @@ -1,158 +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 20:45:09 EST 1999 */ - -#include -#include - -/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-backward 3 */ - -/* - * This function contains 24 FP additions, 16 FP multiplications, - * (or, 16 additions, 8 multiplications, 8 fused multiply/add), - * 15 stack variables, and 24 memory accesses - */ -static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); -static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); -static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); -static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); - -/* - * Generator Id's : - * $Id: fhb_3.c,v 1.1.1.1 2006/05/12 15:14:52 veplaini Exp $ - * $Id: fhb_3.c,v 1.1.1.1 2006/05/12 15:14:52 veplaini Exp $ - * $Id: fhb_3.c,v 1.1.1.1 2006/05/12 15:14:52 veplaini Exp $ - */ - -void fftw_hc2hc_backward_3(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 + (3 * iostride); - { - fftw_real tmp30; - fftw_real tmp26; - fftw_real tmp27; - fftw_real tmp28; - fftw_real tmp29; - ASSERT_ALIGNED_DOUBLE; - tmp29 = Y[-iostride]; - tmp30 = K1_732050807 * tmp29; - tmp26 = X[0]; - tmp27 = X[iostride]; - tmp28 = tmp26 - tmp27; - X[0] = tmp26 + (K2_000000000 * tmp27); - X[iostride] = tmp28 - tmp30; - X[2 * iostride] = tmp28 + tmp30; - } - X = X + dist; - Y = Y - dist; - for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 2) { - fftw_real tmp6; - fftw_real tmp9; - fftw_real tmp15; - fftw_real tmp19; - fftw_real tmp10; - fftw_real tmp13; - fftw_real tmp16; - fftw_real tmp20; - ASSERT_ALIGNED_DOUBLE; - { - fftw_real tmp7; - fftw_real tmp8; - fftw_real tmp11; - fftw_real tmp12; - ASSERT_ALIGNED_DOUBLE; - tmp6 = X[0]; - tmp7 = X[iostride]; - tmp8 = Y[-2 * iostride]; - tmp9 = tmp7 + tmp8; - tmp15 = K866025403 * (tmp7 - tmp8); - tmp19 = tmp6 - (K500000000 * tmp9); - tmp10 = Y[0]; - tmp11 = Y[-iostride]; - tmp12 = X[2 * iostride]; - tmp13 = tmp11 - tmp12; - tmp16 = tmp10 - (K500000000 * tmp13); - tmp20 = K866025403 * (tmp11 + tmp12); - } - X[0] = tmp6 + tmp9; - { - fftw_real tmp23; - fftw_real tmp25; - fftw_real tmp22; - fftw_real tmp24; - ASSERT_ALIGNED_DOUBLE; - tmp23 = tmp16 - tmp15; - tmp25 = tmp19 + tmp20; - tmp22 = c_re(W[1]); - tmp24 = c_im(W[1]); - Y[0] = (tmp22 * tmp23) - (tmp24 * tmp25); - X[2 * iostride] = (tmp24 * tmp23) + (tmp22 * tmp25); - } - Y[-2 * iostride] = tmp10 + tmp13; - { - fftw_real tmp17; - fftw_real tmp21; - fftw_real tmp14; - fftw_real tmp18; - ASSERT_ALIGNED_DOUBLE; - tmp17 = tmp15 + tmp16; - tmp21 = tmp19 - tmp20; - tmp14 = c_re(W[0]); - tmp18 = c_im(W[0]); - Y[-iostride] = (tmp14 * tmp17) - (tmp18 * tmp21); - X[iostride] = (tmp18 * tmp17) + (tmp14 * tmp21); - } - } - if (i == m) { - fftw_real tmp5; - fftw_real tmp1; - fftw_real tmp2; - fftw_real tmp3; - fftw_real tmp4; - ASSERT_ALIGNED_DOUBLE; - tmp4 = Y[0]; - tmp5 = K1_732050807 * tmp4; - tmp1 = X[iostride]; - tmp2 = X[0]; - tmp3 = tmp2 - tmp1; - X[0] = tmp1 + (K2_000000000 * tmp2); - X[2 * iostride] = -(tmp3 + tmp5); - X[iostride] = tmp3 - tmp5; - } -} - -static const int twiddle_order[] = -{1, 2}; -fftw_codelet_desc fftw_hc2hc_backward_3_desc = -{ - "fftw_hc2hc_backward_3", - (void (*)()) fftw_hc2hc_backward_3, - 3, - FFTW_BACKWARD, - FFTW_HC2HC, - 80, - 2, - twiddle_order, -}; -- cgit v1.2.3