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_7.c | 325 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 325 insertions(+) create mode 100644 sndobj/rfftw/fhf_7.c (limited to 'sndobj/rfftw/fhf_7.c') diff --git a/sndobj/rfftw/fhf_7.c b/sndobj/rfftw/fhf_7.c new file mode 100644 index 0000000..f45d487 --- /dev/null +++ b/sndobj/rfftw/fhf_7.c @@ -0,0 +1,325 @@ +/* + * 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 20:44:46 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-forward 7 */ + +/* + * This function contains 120 FP additions, 96 FP multiplications, + * (or, 108 additions, 84 multiplications, 12 fused multiply/add), + * 25 stack variables, and 56 memory accesses + */ +static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569); +static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162); +static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731); +static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728); +static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801); +static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519); + +/* + * Generator Id's : + * $Id: fhf_7.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $ + * $Id: fhf_7.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $ + * $Id: fhf_7.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $ + */ + +void fftw_hc2hc_forward_7(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 + (7 * iostride); + { + fftw_real tmp85; + fftw_real tmp84; + fftw_real tmp88; + fftw_real tmp78; + fftw_real tmp86; + fftw_real tmp81; + fftw_real tmp87; + fftw_real tmp82; + fftw_real tmp83; + ASSERT_ALIGNED_DOUBLE; + tmp85 = X[0]; + tmp82 = X[iostride]; + tmp83 = X[6 * iostride]; + tmp84 = tmp82 - tmp83; + tmp88 = tmp82 + tmp83; + { + fftw_real tmp76; + fftw_real tmp77; + fftw_real tmp79; + fftw_real tmp80; + ASSERT_ALIGNED_DOUBLE; + tmp76 = X[2 * iostride]; + tmp77 = X[5 * iostride]; + tmp78 = tmp76 - tmp77; + tmp86 = tmp76 + tmp77; + tmp79 = X[3 * iostride]; + tmp80 = X[4 * iostride]; + tmp81 = tmp79 - tmp80; + tmp87 = tmp79 + tmp80; + } + Y[-3 * iostride] = (K781831482 * tmp78) - (K974927912 * tmp81) - (K433883739 * tmp84); + Y[-iostride] = -((K781831482 * tmp84) + (K974927912 * tmp78) + (K433883739 * tmp81)); + Y[-2 * iostride] = (K433883739 * tmp78) + (K781831482 * tmp81) - (K974927912 * tmp84); + X[2 * iostride] = tmp85 + (K623489801 * tmp87) - (K900968867 * tmp86) - (K222520933 * tmp88); + X[iostride] = tmp85 + (K623489801 * tmp88) - (K900968867 * tmp87) - (K222520933 * tmp86); + X[3 * iostride] = tmp85 + (K623489801 * tmp86) - (K222520933 * tmp87) - (K900968867 * tmp88); + X[0] = tmp85 + tmp88 + tmp86 + tmp87; + } + X = X + dist; + Y = Y - dist; + for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 6) { + fftw_real tmp14; + fftw_real tmp66; + fftw_real tmp25; + fftw_real tmp68; + fftw_real tmp51; + fftw_real tmp63; + fftw_real tmp36; + fftw_real tmp69; + fftw_real tmp57; + fftw_real tmp64; + fftw_real tmp47; + fftw_real tmp70; + fftw_real tmp54; + fftw_real tmp65; + ASSERT_ALIGNED_DOUBLE; + tmp14 = X[0]; + tmp66 = Y[-6 * iostride]; + { + fftw_real tmp19; + fftw_real tmp49; + fftw_real tmp24; + fftw_real tmp50; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp16; + fftw_real tmp18; + fftw_real tmp15; + fftw_real tmp17; + ASSERT_ALIGNED_DOUBLE; + tmp16 = X[iostride]; + tmp18 = Y[-5 * iostride]; + tmp15 = c_re(W[0]); + tmp17 = c_im(W[0]); + tmp19 = (tmp15 * tmp16) - (tmp17 * tmp18); + tmp49 = (tmp17 * tmp16) + (tmp15 * tmp18); + } + { + fftw_real tmp21; + fftw_real tmp23; + fftw_real tmp20; + fftw_real tmp22; + ASSERT_ALIGNED_DOUBLE; + tmp21 = X[6 * iostride]; + tmp23 = Y[0]; + tmp20 = c_re(W[5]); + tmp22 = c_im(W[5]); + tmp24 = (tmp20 * tmp21) - (tmp22 * tmp23); + tmp50 = (tmp22 * tmp21) + (tmp20 * tmp23); + } + tmp25 = tmp19 + tmp24; + tmp68 = tmp24 - tmp19; + tmp51 = tmp49 - tmp50; + tmp63 = tmp49 + tmp50; + } + { + fftw_real tmp30; + fftw_real tmp55; + fftw_real tmp35; + fftw_real tmp56; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp27; + fftw_real tmp29; + fftw_real tmp26; + fftw_real tmp28; + ASSERT_ALIGNED_DOUBLE; + tmp27 = X[2 * iostride]; + tmp29 = Y[-4 * iostride]; + tmp26 = c_re(W[1]); + tmp28 = c_im(W[1]); + tmp30 = (tmp26 * tmp27) - (tmp28 * tmp29); + tmp55 = (tmp28 * tmp27) + (tmp26 * tmp29); + } + { + fftw_real tmp32; + fftw_real tmp34; + fftw_real tmp31; + fftw_real tmp33; + ASSERT_ALIGNED_DOUBLE; + tmp32 = X[5 * iostride]; + tmp34 = Y[-iostride]; + tmp31 = c_re(W[4]); + tmp33 = c_im(W[4]); + tmp35 = (tmp31 * tmp32) - (tmp33 * tmp34); + tmp56 = (tmp33 * tmp32) + (tmp31 * tmp34); + } + tmp36 = tmp30 + tmp35; + tmp69 = tmp35 - tmp30; + tmp57 = tmp55 - tmp56; + tmp64 = tmp55 + tmp56; + } + { + fftw_real tmp41; + fftw_real tmp52; + fftw_real tmp46; + fftw_real tmp53; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp38; + fftw_real tmp40; + fftw_real tmp37; + fftw_real tmp39; + ASSERT_ALIGNED_DOUBLE; + tmp38 = X[3 * iostride]; + tmp40 = Y[-3 * iostride]; + tmp37 = c_re(W[2]); + tmp39 = c_im(W[2]); + tmp41 = (tmp37 * tmp38) - (tmp39 * tmp40); + tmp52 = (tmp39 * tmp38) + (tmp37 * tmp40); + } + { + fftw_real tmp43; + fftw_real tmp45; + fftw_real tmp42; + fftw_real tmp44; + ASSERT_ALIGNED_DOUBLE; + tmp43 = X[4 * iostride]; + tmp45 = Y[-2 * iostride]; + tmp42 = c_re(W[3]); + tmp44 = c_im(W[3]); + tmp46 = (tmp42 * tmp43) - (tmp44 * tmp45); + tmp53 = (tmp44 * tmp43) + (tmp42 * tmp45); + } + tmp47 = tmp41 + tmp46; + tmp70 = tmp46 - tmp41; + tmp54 = tmp52 - tmp53; + tmp65 = tmp52 + tmp53; + } + { + fftw_real tmp60; + fftw_real tmp59; + fftw_real tmp73; + fftw_real tmp72; + ASSERT_ALIGNED_DOUBLE; + X[0] = tmp14 + tmp25 + tmp36 + tmp47; + tmp60 = (K781831482 * tmp51) + (K974927912 * tmp57) + (K433883739 * tmp54); + tmp59 = tmp14 + (K623489801 * tmp25) - (K900968867 * tmp47) - (K222520933 * tmp36); + Y[-6 * iostride] = tmp59 - tmp60; + X[iostride] = tmp59 + tmp60; + { + fftw_real tmp62; + fftw_real tmp61; + fftw_real tmp58; + fftw_real tmp48; + ASSERT_ALIGNED_DOUBLE; + tmp62 = (K433883739 * tmp51) + (K974927912 * tmp54) - (K781831482 * tmp57); + tmp61 = tmp14 + (K623489801 * tmp36) - (K222520933 * tmp47) - (K900968867 * tmp25); + Y[-4 * iostride] = tmp61 - tmp62; + X[3 * iostride] = tmp61 + tmp62; + tmp58 = (K974927912 * tmp51) - (K781831482 * tmp54) - (K433883739 * tmp57); + tmp48 = tmp14 + (K623489801 * tmp47) - (K900968867 * tmp36) - (K222520933 * tmp25); + Y[-5 * iostride] = tmp48 - tmp58; + X[2 * iostride] = tmp48 + tmp58; + } + Y[0] = tmp63 + tmp64 + tmp65 + tmp66; + tmp73 = (K974927912 * tmp68) - (K781831482 * tmp70) - (K433883739 * tmp69); + tmp72 = (K623489801 * tmp65) + tmp66 - (K900968867 * tmp64) - (K222520933 * tmp63); + X[5 * iostride] = -(tmp72 - tmp73); + Y[-2 * iostride] = tmp73 + tmp72; + { + fftw_real tmp75; + fftw_real tmp74; + fftw_real tmp71; + fftw_real tmp67; + ASSERT_ALIGNED_DOUBLE; + tmp75 = (K433883739 * tmp68) + (K974927912 * tmp70) - (K781831482 * tmp69); + tmp74 = (K623489801 * tmp64) + tmp66 - (K222520933 * tmp65) - (K900968867 * tmp63); + X[4 * iostride] = -(tmp74 - tmp75); + Y[-3 * iostride] = tmp75 + tmp74; + tmp71 = (K781831482 * tmp68) + (K974927912 * tmp69) + (K433883739 * tmp70); + tmp67 = (K623489801 * tmp63) + tmp66 - (K900968867 * tmp65) - (K222520933 * tmp64); + X[6 * iostride] = -(tmp67 - tmp71); + Y[-iostride] = tmp71 + tmp67; + } + } + } + if (i == m) { + fftw_real tmp1; + fftw_real tmp10; + fftw_real tmp13; + fftw_real tmp4; + fftw_real tmp11; + fftw_real tmp7; + fftw_real tmp12; + fftw_real tmp8; + fftw_real tmp9; + ASSERT_ALIGNED_DOUBLE; + tmp1 = X[0]; + tmp8 = X[iostride]; + tmp9 = X[6 * iostride]; + tmp10 = tmp8 - tmp9; + tmp13 = tmp8 + tmp9; + { + fftw_real tmp2; + fftw_real tmp3; + fftw_real tmp5; + fftw_real tmp6; + ASSERT_ALIGNED_DOUBLE; + tmp2 = X[2 * iostride]; + tmp3 = X[5 * iostride]; + tmp4 = tmp2 - tmp3; + tmp11 = tmp2 + tmp3; + tmp5 = X[3 * iostride]; + tmp6 = X[4 * iostride]; + tmp7 = tmp5 - tmp6; + tmp12 = tmp5 + tmp6; + } + Y[0] = -((K781831482 * tmp11) + (K974927912 * tmp12) + (K433883739 * tmp13)); + Y[-iostride] = (K781831482 * tmp12) - (K974927912 * tmp13) - (K433883739 * tmp11); + Y[-2 * iostride] = (K974927912 * tmp11) - (K781831482 * tmp13) - (K433883739 * tmp12); + X[iostride] = tmp1 + (K222520933 * tmp10) - (K623489801 * tmp7) - (K900968867 * tmp4); + X[2 * iostride] = tmp1 + (K900968867 * tmp7) - (K623489801 * tmp10) - (K222520933 * tmp4); + X[3 * iostride] = tmp1 + tmp4 - (tmp7 + tmp10); + X[0] = tmp1 + (K623489801 * tmp4) + (K222520933 * tmp7) + (K900968867 * tmp10); + } +} + +static const int twiddle_order[] = +{1, 2, 3, 4, 5, 6}; +fftw_codelet_desc fftw_hc2hc_forward_7_desc = +{ + "fftw_hc2hc_forward_7", + (void (*)()) fftw_hc2hc_forward_7, + 7, + FFTW_FORWARD, + FFTW_HC2HC, + 157, + 6, + twiddle_order, +}; -- cgit v1.2.3