From 416bd737074a287ea47106c73ea6bcfde40a75a8 Mon Sep 17 00:00:00 2001 From: John Glover Date: Fri, 24 Jun 2011 18:17:23 +0100 Subject: Change to using distutils. Currently only builds the simplsndobj module --- src/sndobj/rfftw/fhb_5.c | 276 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 276 insertions(+) create mode 100644 src/sndobj/rfftw/fhb_5.c (limited to 'src/sndobj/rfftw/fhb_5.c') diff --git a/src/sndobj/rfftw/fhb_5.c b/src/sndobj/rfftw/fhb_5.c new file mode 100644 index 0000000..59b57c9 --- /dev/null +++ b/src/sndobj/rfftw/fhb_5.c @@ -0,0 +1,276 @@ +/* + * 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 5 */ + +/* + * This function contains 64 FP additions, 42 FP multiplications, + * (or, 42 additions, 20 multiplications, 22 fused multiply/add), + * 25 stack variables, and 40 memory accesses + */ +static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000); +static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590); +static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); +static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); +static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); +static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); +static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180); +static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875); +static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268); + +/* + * Generator Id's : + * $Id: fhb_5.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $ + * $Id: fhb_5.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $ + * $Id: fhb_5.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $ + */ + +void fftw_hc2hc_backward_5(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 + (5 * iostride); + { + fftw_real tmp70; + fftw_real tmp72; + fftw_real tmp61; + fftw_real tmp64; + fftw_real tmp65; + fftw_real tmp66; + fftw_real tmp71; + fftw_real tmp67; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp68; + fftw_real tmp69; + fftw_real tmp62; + fftw_real tmp63; + ASSERT_ALIGNED_DOUBLE; + tmp68 = Y[-iostride]; + tmp69 = Y[-2 * iostride]; + tmp70 = (K1_902113032 * tmp68) + (K1_175570504 * tmp69); + tmp72 = (K1_902113032 * tmp69) - (K1_175570504 * tmp68); + tmp61 = X[0]; + tmp62 = X[iostride]; + tmp63 = X[2 * iostride]; + tmp64 = tmp62 + tmp63; + tmp65 = K1_118033988 * (tmp62 - tmp63); + tmp66 = tmp61 - (K500000000 * tmp64); + } + X[0] = tmp61 + (K2_000000000 * tmp64); + tmp71 = tmp66 - tmp65; + X[3 * iostride] = tmp71 - tmp72; + X[2 * iostride] = tmp71 + tmp72; + tmp67 = tmp65 + tmp66; + X[4 * iostride] = tmp67 + tmp70; + X[iostride] = tmp67 - tmp70; + } + X = X + dist; + Y = Y - dist; + for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 4) { + fftw_real tmp13; + fftw_real tmp32; + fftw_real tmp50; + fftw_real tmp39; + fftw_real tmp20; + fftw_real tmp38; + fftw_real tmp21; + fftw_real tmp34; + fftw_real tmp28; + fftw_real tmp33; + fftw_real tmp43; + fftw_real tmp55; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp19; + fftw_real tmp31; + fftw_real tmp16; + fftw_real tmp30; + ASSERT_ALIGNED_DOUBLE; + tmp13 = X[0]; + { + fftw_real tmp17; + fftw_real tmp18; + fftw_real tmp14; + fftw_real tmp15; + ASSERT_ALIGNED_DOUBLE; + tmp17 = X[2 * iostride]; + tmp18 = Y[-3 * iostride]; + tmp19 = tmp17 + tmp18; + tmp31 = tmp17 - tmp18; + tmp14 = X[iostride]; + tmp15 = Y[-4 * iostride]; + tmp16 = tmp14 + tmp15; + tmp30 = tmp14 - tmp15; + } + tmp32 = (K587785252 * tmp30) - (K951056516 * tmp31); + tmp50 = (K951056516 * tmp30) + (K587785252 * tmp31); + tmp39 = K559016994 * (tmp16 - tmp19); + tmp20 = tmp16 + tmp19; + tmp38 = tmp13 - (K250000000 * tmp20); + } + { + fftw_real tmp27; + fftw_real tmp42; + fftw_real tmp24; + fftw_real tmp41; + ASSERT_ALIGNED_DOUBLE; + tmp21 = Y[0]; + { + fftw_real tmp25; + fftw_real tmp26; + fftw_real tmp22; + fftw_real tmp23; + ASSERT_ALIGNED_DOUBLE; + tmp25 = Y[-2 * iostride]; + tmp26 = X[3 * iostride]; + tmp27 = tmp25 - tmp26; + tmp42 = tmp25 + tmp26; + tmp22 = Y[-iostride]; + tmp23 = X[4 * iostride]; + tmp24 = tmp22 - tmp23; + tmp41 = tmp22 + tmp23; + } + tmp34 = K559016994 * (tmp24 - tmp27); + tmp28 = tmp24 + tmp27; + tmp33 = tmp21 - (K250000000 * tmp28); + tmp43 = (K587785252 * tmp41) - (K951056516 * tmp42); + tmp55 = (K951056516 * tmp41) + (K587785252 * tmp42); + } + X[0] = tmp13 + tmp20; + { + fftw_real tmp52; + fftw_real tmp58; + fftw_real tmp56; + fftw_real tmp60; + fftw_real tmp51; + fftw_real tmp54; + ASSERT_ALIGNED_DOUBLE; + tmp51 = tmp34 + tmp33; + tmp52 = tmp50 + tmp51; + tmp58 = tmp51 - tmp50; + tmp54 = tmp39 + tmp38; + tmp56 = tmp54 - tmp55; + tmp60 = tmp54 + tmp55; + { + fftw_real tmp49; + fftw_real tmp53; + fftw_real tmp57; + fftw_real tmp59; + ASSERT_ALIGNED_DOUBLE; + tmp49 = c_re(W[0]); + tmp53 = c_im(W[0]); + Y[-3 * iostride] = (tmp49 * tmp52) - (tmp53 * tmp56); + X[iostride] = (tmp53 * tmp52) + (tmp49 * tmp56); + tmp57 = c_re(W[3]); + tmp59 = c_im(W[3]); + Y[0] = (tmp57 * tmp58) - (tmp59 * tmp60); + X[4 * iostride] = (tmp59 * tmp58) + (tmp57 * tmp60); + } + } + Y[-4 * iostride] = tmp21 + tmp28; + { + fftw_real tmp36; + fftw_real tmp46; + fftw_real tmp44; + fftw_real tmp48; + fftw_real tmp35; + fftw_real tmp40; + ASSERT_ALIGNED_DOUBLE; + tmp35 = tmp33 - tmp34; + tmp36 = tmp32 + tmp35; + tmp46 = tmp35 - tmp32; + tmp40 = tmp38 - tmp39; + tmp44 = tmp40 - tmp43; + tmp48 = tmp40 + tmp43; + { + fftw_real tmp29; + fftw_real tmp37; + fftw_real tmp45; + fftw_real tmp47; + ASSERT_ALIGNED_DOUBLE; + tmp29 = c_re(W[1]); + tmp37 = c_im(W[1]); + Y[-2 * iostride] = (tmp29 * tmp36) - (tmp37 * tmp44); + X[2 * iostride] = (tmp37 * tmp36) + (tmp29 * tmp44); + tmp45 = c_re(W[2]); + tmp47 = c_im(W[2]); + Y[-iostride] = (tmp45 * tmp46) - (tmp47 * tmp48); + X[3 * iostride] = (tmp47 * tmp46) + (tmp45 * tmp48); + } + } + } + if (i == m) { + fftw_real tmp10; + fftw_real tmp12; + fftw_real tmp1; + fftw_real tmp4; + fftw_real tmp5; + fftw_real tmp6; + fftw_real tmp11; + fftw_real tmp7; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp8; + fftw_real tmp9; + fftw_real tmp2; + fftw_real tmp3; + ASSERT_ALIGNED_DOUBLE; + tmp8 = Y[-iostride]; + tmp9 = Y[0]; + tmp10 = (K1_902113032 * tmp8) + (K1_175570504 * tmp9); + tmp12 = (K1_175570504 * tmp8) - (K1_902113032 * tmp9); + tmp1 = X[2 * iostride]; + tmp2 = X[iostride]; + tmp3 = X[0]; + tmp4 = tmp2 + tmp3; + tmp5 = (K500000000 * tmp4) - tmp1; + tmp6 = K1_118033988 * (tmp3 - tmp2); + } + X[0] = tmp1 + (K2_000000000 * tmp4); + tmp11 = tmp6 - tmp5; + X[2 * iostride] = tmp11 + tmp12; + X[3 * iostride] = tmp12 - tmp11; + tmp7 = tmp5 + tmp6; + X[iostride] = tmp7 - tmp10; + X[4 * iostride] = -(tmp7 + tmp10); + } +} + +static const int twiddle_order[] = +{1, 2, 3, 4}; +fftw_codelet_desc fftw_hc2hc_backward_5_desc = +{ + "fftw_hc2hc_backward_5", + (void (*)()) fftw_hc2hc_backward_5, + 5, + FFTW_BACKWARD, + FFTW_HC2HC, + 124, + 4, + twiddle_order, +}; 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