From 30755b92afeae5a5a32860b4f4297180f6d3398d Mon Sep 17 00:00:00 2001 From: John Glover Date: Mon, 18 Oct 2010 17:32:05 +0100 Subject: Moved project over to Git --- sndobj/rfftw/fhf_5.c | 268 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 268 insertions(+) create mode 100644 sndobj/rfftw/fhf_5.c (limited to 'sndobj/rfftw/fhf_5.c') diff --git a/sndobj/rfftw/fhf_5.c b/sndobj/rfftw/fhf_5.c new file mode 100644 index 0000000..5594c2f --- /dev/null +++ b/sndobj/rfftw/fhf_5.c @@ -0,0 +1,268 @@ +/* + * 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 20:44:44 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-forward 5 */ + +/* + * This function contains 64 FP additions, 40 FP multiplications, + * (or, 44 additions, 20 multiplications, 20 fused multiply/add), + * 27 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 K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); +static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); + +/* + * Generator Id's : + * $Id: fhf_5.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $ + * $Id: fhf_5.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $ + * $Id: fhf_5.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $ + */ + +void fftw_hc2hc_forward_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 tmp67; + fftw_real tmp68; + fftw_real tmp63; + fftw_real tmp71; + fftw_real tmp66; + fftw_real tmp69; + fftw_real tmp72; + ASSERT_ALIGNED_DOUBLE; + tmp70 = X[0]; + { + fftw_real tmp61; + fftw_real tmp62; + fftw_real tmp64; + fftw_real tmp65; + ASSERT_ALIGNED_DOUBLE; + tmp61 = X[4 * iostride]; + tmp62 = X[iostride]; + tmp67 = tmp62 + tmp61; + tmp64 = X[2 * iostride]; + tmp65 = X[3 * iostride]; + tmp68 = tmp64 + tmp65; + tmp63 = tmp61 - tmp62; + tmp71 = tmp67 + tmp68; + tmp66 = tmp64 - tmp65; + } + Y[-iostride] = (K951056516 * tmp63) - (K587785252 * tmp66); + Y[-2 * iostride] = (K587785252 * tmp63) + (K951056516 * tmp66); + X[0] = tmp70 + tmp71; + tmp69 = K559016994 * (tmp67 - tmp68); + tmp72 = tmp70 - (K250000000 * tmp71); + X[iostride] = tmp69 + tmp72; + X[2 * iostride] = tmp72 - tmp69; + } + 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 tmp52; + fftw_real tmp42; + fftw_real tmp45; + fftw_real tmp49; + fftw_real tmp50; + fftw_real tmp51; + fftw_real tmp54; + fftw_real tmp53; + fftw_real tmp24; + fftw_real tmp35; + fftw_real tmp36; + ASSERT_ALIGNED_DOUBLE; + tmp13 = X[0]; + tmp52 = Y[-4 * iostride]; + { + fftw_real tmp18; + fftw_real tmp40; + fftw_real tmp34; + fftw_real tmp44; + fftw_real tmp23; + fftw_real tmp41; + fftw_real tmp29; + fftw_real tmp43; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp15; + fftw_real tmp17; + fftw_real tmp14; + fftw_real tmp16; + ASSERT_ALIGNED_DOUBLE; + tmp15 = X[iostride]; + tmp17 = Y[-3 * iostride]; + tmp14 = c_re(W[0]); + tmp16 = c_im(W[0]); + tmp18 = (tmp14 * tmp15) - (tmp16 * tmp17); + tmp40 = (tmp16 * tmp15) + (tmp14 * tmp17); + } + { + fftw_real tmp31; + fftw_real tmp33; + fftw_real tmp30; + fftw_real tmp32; + ASSERT_ALIGNED_DOUBLE; + tmp31 = X[3 * iostride]; + tmp33 = Y[-iostride]; + tmp30 = c_re(W[2]); + tmp32 = c_im(W[2]); + tmp34 = (tmp30 * tmp31) - (tmp32 * tmp33); + tmp44 = (tmp32 * tmp31) + (tmp30 * tmp33); + } + { + fftw_real tmp20; + fftw_real tmp22; + fftw_real tmp19; + fftw_real tmp21; + ASSERT_ALIGNED_DOUBLE; + tmp20 = X[4 * iostride]; + tmp22 = Y[0]; + tmp19 = c_re(W[3]); + tmp21 = c_im(W[3]); + tmp23 = (tmp19 * tmp20) - (tmp21 * tmp22); + tmp41 = (tmp21 * tmp20) + (tmp19 * tmp22); + } + { + fftw_real tmp26; + fftw_real tmp28; + fftw_real tmp25; + fftw_real tmp27; + ASSERT_ALIGNED_DOUBLE; + tmp26 = X[2 * iostride]; + tmp28 = Y[-2 * iostride]; + tmp25 = c_re(W[1]); + tmp27 = c_im(W[1]); + tmp29 = (tmp25 * tmp26) - (tmp27 * tmp28); + tmp43 = (tmp27 * tmp26) + (tmp25 * tmp28); + } + tmp42 = tmp40 - tmp41; + tmp45 = tmp43 - tmp44; + tmp49 = tmp40 + tmp41; + tmp50 = tmp43 + tmp44; + tmp51 = tmp49 + tmp50; + tmp54 = tmp29 - tmp34; + tmp53 = tmp18 - tmp23; + tmp24 = tmp18 + tmp23; + tmp35 = tmp29 + tmp34; + tmp36 = tmp24 + tmp35; + } + X[0] = tmp13 + tmp36; + { + fftw_real tmp46; + fftw_real tmp48; + fftw_real tmp39; + fftw_real tmp47; + fftw_real tmp37; + fftw_real tmp38; + ASSERT_ALIGNED_DOUBLE; + tmp46 = (K951056516 * tmp42) + (K587785252 * tmp45); + tmp48 = (K951056516 * tmp45) - (K587785252 * tmp42); + tmp37 = K559016994 * (tmp24 - tmp35); + tmp38 = tmp13 - (K250000000 * tmp36); + tmp39 = tmp37 + tmp38; + tmp47 = tmp38 - tmp37; + Y[-4 * iostride] = tmp39 - tmp46; + X[iostride] = tmp39 + tmp46; + X[2 * iostride] = tmp47 - tmp48; + Y[-3 * iostride] = tmp47 + tmp48; + } + Y[0] = tmp51 + tmp52; + { + fftw_real tmp55; + fftw_real tmp60; + fftw_real tmp58; + fftw_real tmp59; + fftw_real tmp56; + fftw_real tmp57; + ASSERT_ALIGNED_DOUBLE; + tmp55 = (K951056516 * tmp53) + (K587785252 * tmp54); + tmp60 = (K951056516 * tmp54) - (K587785252 * tmp53); + tmp56 = K559016994 * (tmp49 - tmp50); + tmp57 = tmp52 - (K250000000 * tmp51); + tmp58 = tmp56 + tmp57; + tmp59 = tmp57 - tmp56; + X[4 * iostride] = -(tmp55 + tmp58); + Y[-iostride] = tmp58 - tmp55; + X[3 * iostride] = -(tmp59 - tmp60); + Y[-2 * iostride] = tmp60 + tmp59; + } + } + if (i == m) { + fftw_real tmp8; + fftw_real tmp3; + fftw_real tmp6; + fftw_real tmp9; + fftw_real tmp12; + fftw_real tmp11; + fftw_real tmp7; + fftw_real tmp10; + ASSERT_ALIGNED_DOUBLE; + tmp8 = X[0]; + { + fftw_real tmp1; + fftw_real tmp2; + fftw_real tmp4; + fftw_real tmp5; + ASSERT_ALIGNED_DOUBLE; + tmp1 = X[2 * iostride]; + tmp2 = X[3 * iostride]; + tmp3 = tmp1 - tmp2; + tmp4 = X[4 * iostride]; + tmp5 = X[iostride]; + tmp6 = tmp4 - tmp5; + tmp9 = tmp3 + tmp6; + tmp12 = tmp4 + tmp5; + tmp11 = tmp1 + tmp2; + } + X[2 * iostride] = tmp8 + tmp9; + tmp7 = K559016994 * (tmp3 - tmp6); + tmp10 = tmp8 - (K250000000 * tmp9); + X[0] = tmp7 + tmp10; + X[iostride] = tmp10 - tmp7; + Y[0] = -((K951056516 * tmp11) + (K587785252 * tmp12)); + Y[-iostride] = -((K951056516 * tmp12) - (K587785252 * tmp11)); + } +} + +static const int twiddle_order[] = +{1, 2, 3, 4}; +fftw_codelet_desc fftw_hc2hc_forward_5_desc = +{ + "fftw_hc2hc_forward_5", + (void (*)()) fftw_hc2hc_forward_5, + 5, + FFTW_FORWARD, + FFTW_HC2HC, + 113, + 4, + twiddle_order, +}; -- cgit v1.2.3