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/fhb_7.c | 320 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 320 insertions(+) create mode 100644 sndobj/rfftw/fhb_7.c (limited to 'sndobj/rfftw/fhb_7.c') diff --git a/sndobj/rfftw/fhb_7.c b/sndobj/rfftw/fhb_7.c new file mode 100644 index 0000000..f69be92 --- /dev/null +++ b/sndobj/rfftw/fhb_7.c @@ -0,0 +1,320 @@ +/* + * 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 20:45:11 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-backward 7 */ + +/* + * This function contains 120 FP additions, 98 FP multiplications, + * (or, 106 additions, 84 multiplications, 14 fused multiply/add), + * 32 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 K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519); +static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801); +static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728); +static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); +static const fftw_real K1_801937735 = FFTW_KONST(+1.801937735804838252472204639014890102331838324); +static const fftw_real K445041867 = FFTW_KONST(+0.445041867912628808577805128993589518932711138); +static const fftw_real K1_246979603 = FFTW_KONST(+1.246979603717467061050009768008479621264549462); +static const fftw_real K867767478 = FFTW_KONST(+0.867767478235116240951536665696717509219981456); +static const fftw_real K1_949855824 = FFTW_KONST(+1.949855824363647214036263365987862434465571601); +static const fftw_real K1_563662964 = FFTW_KONST(+1.563662964936059617416889053348115500464669037); + +/* + * Generator Id's : + * $Id: fhb_7.c,v 1.1.1.1 2006/05/12 15:14:57 veplaini Exp $ + * $Id: fhb_7.c,v 1.1.1.1 2006/05/12 15:14:57 veplaini Exp $ + * $Id: fhb_7.c,v 1.1.1.1 2006/05/12 15:14:57 veplaini Exp $ + */ + +void fftw_hc2hc_backward_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 tmp84; + fftw_real tmp88; + fftw_real tmp86; + fftw_real tmp76; + fftw_real tmp79; + fftw_real tmp77; + fftw_real tmp78; + fftw_real tmp80; + fftw_real tmp87; + fftw_real tmp85; + fftw_real tmp81; + fftw_real tmp83; + fftw_real tmp82; + ASSERT_ALIGNED_DOUBLE; + tmp81 = Y[-2 * iostride]; + tmp83 = Y[-iostride]; + tmp82 = Y[-3 * iostride]; + tmp84 = (K1_563662964 * tmp81) - (K1_949855824 * tmp82) - (K867767478 * tmp83); + tmp88 = (K867767478 * tmp81) + (K1_563662964 * tmp82) - (K1_949855824 * tmp83); + tmp86 = (K1_563662964 * tmp83) + (K1_949855824 * tmp81) + (K867767478 * tmp82); + tmp76 = X[0]; + tmp79 = X[3 * iostride]; + tmp77 = X[iostride]; + tmp78 = X[2 * iostride]; + tmp80 = tmp76 + (K1_246979603 * tmp78) - (K445041867 * tmp79) - (K1_801937735 * tmp77); + tmp87 = tmp76 + (K1_246979603 * tmp79) - (K1_801937735 * tmp78) - (K445041867 * tmp77); + tmp85 = tmp76 + (K1_246979603 * tmp77) - (K1_801937735 * tmp79) - (K445041867 * tmp78); + X[4 * iostride] = tmp80 - tmp84; + X[3 * iostride] = tmp80 + tmp84; + X[0] = tmp76 + (K2_000000000 * (tmp77 + tmp78 + tmp79)); + X[2 * iostride] = tmp87 + tmp88; + X[5 * iostride] = tmp87 - tmp88; + X[iostride] = tmp85 - tmp86; + X[6 * iostride] = tmp85 + tmp86; + } + 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 tmp23; + fftw_real tmp17; + fftw_real tmp20; + fftw_real tmp39; + fftw_real tmp53; + fftw_real tmp66; + fftw_real tmp69; + fftw_real tmp57; + fftw_real tmp42; + fftw_real tmp24; + fftw_real tmp33; + fftw_real tmp27; + fftw_real tmp30; + fftw_real tmp46; + fftw_real tmp58; + fftw_real tmp70; + fftw_real tmp65; + fftw_real tmp54; + fftw_real tmp35; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp37; + fftw_real tmp36; + fftw_real tmp38; + fftw_real tmp21; + fftw_real tmp22; + ASSERT_ALIGNED_DOUBLE; + tmp14 = X[0]; + tmp21 = X[3 * iostride]; + tmp22 = Y[-4 * iostride]; + tmp23 = tmp21 + tmp22; + tmp37 = tmp21 - tmp22; + { + fftw_real tmp15; + fftw_real tmp16; + fftw_real tmp18; + fftw_real tmp19; + ASSERT_ALIGNED_DOUBLE; + tmp15 = X[iostride]; + tmp16 = Y[-6 * iostride]; + tmp17 = tmp15 + tmp16; + tmp36 = tmp15 - tmp16; + tmp18 = X[2 * iostride]; + tmp19 = Y[-5 * iostride]; + tmp20 = tmp18 + tmp19; + tmp38 = tmp18 - tmp19; + } + tmp39 = (K433883739 * tmp36) + (K974927912 * tmp37) - (K781831482 * tmp38); + tmp53 = (K781831482 * tmp36) + (K974927912 * tmp38) + (K433883739 * tmp37); + tmp66 = (K974927912 * tmp36) - (K781831482 * tmp37) - (K433883739 * tmp38); + tmp69 = tmp14 + (K623489801 * tmp23) - (K900968867 * tmp20) - (K222520933 * tmp17); + tmp57 = tmp14 + (K623489801 * tmp17) - (K900968867 * tmp23) - (K222520933 * tmp20); + tmp42 = tmp14 + (K623489801 * tmp20) - (K222520933 * tmp23) - (K900968867 * tmp17); + } + { + fftw_real tmp44; + fftw_real tmp45; + fftw_real tmp43; + fftw_real tmp31; + fftw_real tmp32; + ASSERT_ALIGNED_DOUBLE; + tmp24 = Y[0]; + tmp31 = Y[-3 * iostride]; + tmp32 = X[4 * iostride]; + tmp33 = tmp31 - tmp32; + tmp44 = tmp31 + tmp32; + { + fftw_real tmp25; + fftw_real tmp26; + fftw_real tmp28; + fftw_real tmp29; + ASSERT_ALIGNED_DOUBLE; + tmp25 = Y[-iostride]; + tmp26 = X[6 * iostride]; + tmp27 = tmp25 - tmp26; + tmp45 = tmp25 + tmp26; + tmp28 = Y[-2 * iostride]; + tmp29 = X[5 * iostride]; + tmp30 = tmp28 - tmp29; + tmp43 = tmp28 + tmp29; + } + tmp46 = (K781831482 * tmp43) - (K974927912 * tmp44) - (K433883739 * tmp45); + tmp58 = (K781831482 * tmp45) + (K974927912 * tmp43) + (K433883739 * tmp44); + tmp70 = (K433883739 * tmp43) + (K781831482 * tmp44) - (K974927912 * tmp45); + tmp65 = tmp24 + (K623489801 * tmp33) - (K900968867 * tmp30) - (K222520933 * tmp27); + tmp54 = tmp24 + (K623489801 * tmp27) - (K900968867 * tmp33) - (K222520933 * tmp30); + tmp35 = tmp24 + (K623489801 * tmp30) - (K222520933 * tmp33) - (K900968867 * tmp27); + } + X[0] = tmp14 + tmp17 + tmp20 + tmp23; + { + fftw_real tmp61; + fftw_real tmp63; + fftw_real tmp60; + fftw_real tmp62; + ASSERT_ALIGNED_DOUBLE; + tmp61 = tmp54 - tmp53; + tmp63 = tmp57 + tmp58; + tmp60 = c_re(W[5]); + tmp62 = c_im(W[5]); + Y[0] = (tmp60 * tmp61) - (tmp62 * tmp63); + X[6 * iostride] = (tmp62 * tmp61) + (tmp60 * tmp63); + } + { + fftw_real tmp73; + fftw_real tmp75; + fftw_real tmp72; + fftw_real tmp74; + ASSERT_ALIGNED_DOUBLE; + tmp73 = tmp66 + tmp65; + tmp75 = tmp69 + tmp70; + tmp72 = c_re(W[1]); + tmp74 = c_im(W[1]); + Y[-4 * iostride] = (tmp72 * tmp73) - (tmp74 * tmp75); + X[2 * iostride] = (tmp74 * tmp73) + (tmp72 * tmp75); + } + { + fftw_real tmp67; + fftw_real tmp71; + fftw_real tmp64; + fftw_real tmp68; + ASSERT_ALIGNED_DOUBLE; + tmp67 = tmp65 - tmp66; + tmp71 = tmp69 - tmp70; + tmp64 = c_re(W[4]); + tmp68 = c_im(W[4]); + Y[-iostride] = (tmp64 * tmp67) - (tmp68 * tmp71); + X[5 * iostride] = (tmp68 * tmp67) + (tmp64 * tmp71); + } + Y[-6 * iostride] = tmp24 + tmp27 + tmp30 + tmp33; + { + fftw_real tmp40; + fftw_real tmp47; + fftw_real tmp34; + fftw_real tmp41; + ASSERT_ALIGNED_DOUBLE; + tmp40 = tmp35 - tmp39; + tmp47 = tmp42 - tmp46; + tmp34 = c_re(W[3]); + tmp41 = c_im(W[3]); + Y[-2 * iostride] = (tmp34 * tmp40) - (tmp41 * tmp47); + X[4 * iostride] = (tmp41 * tmp40) + (tmp34 * tmp47); + } + { + fftw_real tmp49; + fftw_real tmp51; + fftw_real tmp48; + fftw_real tmp50; + ASSERT_ALIGNED_DOUBLE; + tmp49 = tmp39 + tmp35; + tmp51 = tmp42 + tmp46; + tmp48 = c_re(W[2]); + tmp50 = c_im(W[2]); + Y[-3 * iostride] = (tmp48 * tmp49) - (tmp50 * tmp51); + X[3 * iostride] = (tmp50 * tmp49) + (tmp48 * tmp51); + } + { + fftw_real tmp55; + fftw_real tmp59; + fftw_real tmp52; + fftw_real tmp56; + ASSERT_ALIGNED_DOUBLE; + tmp55 = tmp53 + tmp54; + tmp59 = tmp57 - tmp58; + tmp52 = c_re(W[0]); + tmp56 = c_im(W[0]); + Y[-5 * iostride] = (tmp52 * tmp55) - (tmp56 * tmp59); + X[iostride] = (tmp56 * tmp55) + (tmp52 * tmp59); + } + } + if (i == m) { + fftw_real tmp9; + fftw_real tmp13; + fftw_real tmp11; + fftw_real tmp1; + fftw_real tmp4; + fftw_real tmp2; + fftw_real tmp3; + fftw_real tmp5; + fftw_real tmp12; + fftw_real tmp10; + fftw_real tmp6; + fftw_real tmp8; + fftw_real tmp7; + ASSERT_ALIGNED_DOUBLE; + tmp6 = Y[-2 * iostride]; + tmp8 = Y[0]; + tmp7 = Y[-iostride]; + tmp9 = (K1_563662964 * tmp6) + (K1_949855824 * tmp7) + (K867767478 * tmp8); + tmp13 = (K1_563662964 * tmp7) - (K1_949855824 * tmp8) - (K867767478 * tmp6); + tmp11 = (K1_949855824 * tmp6) - (K1_563662964 * tmp8) - (K867767478 * tmp7); + tmp1 = X[3 * iostride]; + tmp4 = X[0]; + tmp2 = X[2 * iostride]; + tmp3 = X[iostride]; + tmp5 = (K445041867 * tmp3) + (K1_801937735 * tmp4) - (K1_246979603 * tmp2) - tmp1; + tmp12 = (K1_801937735 * tmp2) + (K445041867 * tmp4) - (K1_246979603 * tmp3) - tmp1; + tmp10 = tmp1 + (K1_246979603 * tmp4) - (K1_801937735 * tmp3) - (K445041867 * tmp2); + X[iostride] = tmp5 - tmp9; + X[6 * iostride] = -(tmp5 + tmp9); + X[0] = tmp1 + (K2_000000000 * (tmp2 + tmp3 + tmp4)); + X[4 * iostride] = tmp13 - tmp12; + X[3 * iostride] = tmp12 + tmp13; + X[5 * iostride] = tmp11 - tmp10; + X[2 * iostride] = tmp10 + tmp11; + } +} + +static const int twiddle_order[] = +{1, 2, 3, 4, 5, 6}; +fftw_codelet_desc fftw_hc2hc_backward_7_desc = +{ + "fftw_hc2hc_backward_7", + (void (*)()) fftw_hc2hc_backward_7, + 7, + FFTW_BACKWARD, + FFTW_HC2HC, + 168, + 6, + twiddle_order, +}; -- cgit v1.2.3