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_8.c | 415 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 415 insertions(+) create mode 100644 sndobj/rfftw/fhf_8.c (limited to 'sndobj/rfftw/fhf_8.c') diff --git a/sndobj/rfftw/fhf_8.c b/sndobj/rfftw/fhf_8.c new file mode 100644 index 0000000..a9b21a0 --- /dev/null +++ b/sndobj/rfftw/fhf_8.c @@ -0,0 +1,415 @@ +/* + * 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 8 */ + +/* + * This function contains 108 FP additions, 44 FP multiplications, + * (or, 90 additions, 26 multiplications, 18 fused multiply/add), + * 29 stack variables, and 64 memory accesses + */ +static const fftw_real K382683432 = FFTW_KONST(+0.382683432365089771728459984030398866761344562); +static const fftw_real K923879532 = FFTW_KONST(+0.923879532511286756128183189396788286822416626); +static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938); + +/* + * Generator Id's : + * $Id: fhf_8.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $ + * $Id: fhf_8.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $ + * $Id: fhf_8.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $ + */ + +void fftw_hc2hc_forward_8(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 + (8 * iostride); + { + fftw_real tmp105; + fftw_real tmp109; + fftw_real tmp115; + fftw_real tmp121; + fftw_real tmp108; + fftw_real tmp118; + fftw_real tmp112; + fftw_real tmp120; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp103; + fftw_real tmp104; + fftw_real tmp113; + fftw_real tmp114; + ASSERT_ALIGNED_DOUBLE; + tmp103 = X[0]; + tmp104 = X[4 * iostride]; + tmp105 = tmp103 + tmp104; + tmp109 = tmp103 - tmp104; + tmp113 = X[7 * iostride]; + tmp114 = X[3 * iostride]; + tmp115 = tmp113 - tmp114; + tmp121 = tmp113 + tmp114; + } + { + fftw_real tmp106; + fftw_real tmp107; + fftw_real tmp110; + fftw_real tmp111; + ASSERT_ALIGNED_DOUBLE; + tmp106 = X[2 * iostride]; + tmp107 = X[6 * iostride]; + tmp108 = tmp106 + tmp107; + tmp118 = tmp106 - tmp107; + tmp110 = X[iostride]; + tmp111 = X[5 * iostride]; + tmp112 = tmp110 - tmp111; + tmp120 = tmp110 + tmp111; + } + { + fftw_real tmp119; + fftw_real tmp122; + fftw_real tmp116; + fftw_real tmp117; + ASSERT_ALIGNED_DOUBLE; + X[2 * iostride] = tmp105 - tmp108; + tmp119 = tmp105 + tmp108; + tmp122 = tmp120 + tmp121; + X[4 * iostride] = tmp119 - tmp122; + X[0] = tmp119 + tmp122; + Y[-2 * iostride] = tmp121 - tmp120; + tmp116 = K707106781 * (tmp112 + tmp115); + X[3 * iostride] = tmp109 - tmp116; + X[iostride] = tmp109 + tmp116; + tmp117 = K707106781 * (tmp115 - tmp112); + Y[-iostride] = tmp117 - tmp118; + Y[-3 * iostride] = tmp118 + tmp117; + } + } + X = X + dist; + Y = Y - dist; + for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 7) { + fftw_real tmp29; + fftw_real tmp65; + fftw_real tmp92; + fftw_real tmp97; + fftw_real tmp63; + fftw_real tmp75; + fftw_real tmp78; + fftw_real tmp87; + fftw_real tmp40; + fftw_real tmp98; + fftw_real tmp68; + fftw_real tmp89; + fftw_real tmp52; + fftw_real tmp70; + fftw_real tmp73; + fftw_real tmp86; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp23; + fftw_real tmp91; + fftw_real tmp28; + fftw_real tmp90; + ASSERT_ALIGNED_DOUBLE; + tmp23 = X[0]; + tmp91 = Y[-7 * iostride]; + { + fftw_real tmp25; + fftw_real tmp27; + fftw_real tmp24; + fftw_real tmp26; + ASSERT_ALIGNED_DOUBLE; + tmp25 = X[4 * iostride]; + tmp27 = Y[-3 * iostride]; + tmp24 = c_re(W[3]); + tmp26 = c_im(W[3]); + tmp28 = (tmp24 * tmp25) - (tmp26 * tmp27); + tmp90 = (tmp26 * tmp25) + (tmp24 * tmp27); + } + tmp29 = tmp23 + tmp28; + tmp65 = tmp23 - tmp28; + tmp92 = tmp90 + tmp91; + tmp97 = tmp91 - tmp90; + } + { + fftw_real tmp57; + fftw_real tmp76; + fftw_real tmp62; + fftw_real tmp77; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp54; + fftw_real tmp56; + fftw_real tmp53; + fftw_real tmp55; + ASSERT_ALIGNED_DOUBLE; + tmp54 = X[7 * iostride]; + tmp56 = Y[0]; + tmp53 = c_re(W[6]); + tmp55 = c_im(W[6]); + tmp57 = (tmp53 * tmp54) - (tmp55 * tmp56); + tmp76 = (tmp55 * tmp54) + (tmp53 * tmp56); + } + { + fftw_real tmp59; + fftw_real tmp61; + fftw_real tmp58; + fftw_real tmp60; + ASSERT_ALIGNED_DOUBLE; + tmp59 = X[3 * iostride]; + tmp61 = Y[-4 * iostride]; + tmp58 = c_re(W[2]); + tmp60 = c_im(W[2]); + tmp62 = (tmp58 * tmp59) - (tmp60 * tmp61); + tmp77 = (tmp60 * tmp59) + (tmp58 * tmp61); + } + tmp63 = tmp57 + tmp62; + tmp75 = tmp57 - tmp62; + tmp78 = tmp76 - tmp77; + tmp87 = tmp76 + tmp77; + } + { + fftw_real tmp34; + fftw_real tmp66; + fftw_real tmp39; + fftw_real tmp67; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp31; + fftw_real tmp33; + fftw_real tmp30; + fftw_real tmp32; + ASSERT_ALIGNED_DOUBLE; + tmp31 = X[2 * iostride]; + tmp33 = Y[-5 * iostride]; + tmp30 = c_re(W[1]); + tmp32 = c_im(W[1]); + tmp34 = (tmp30 * tmp31) - (tmp32 * tmp33); + tmp66 = (tmp32 * tmp31) + (tmp30 * tmp33); + } + { + fftw_real tmp36; + fftw_real tmp38; + fftw_real tmp35; + fftw_real tmp37; + ASSERT_ALIGNED_DOUBLE; + tmp36 = X[6 * iostride]; + tmp38 = Y[-iostride]; + tmp35 = c_re(W[5]); + tmp37 = c_im(W[5]); + tmp39 = (tmp35 * tmp36) - (tmp37 * tmp38); + tmp67 = (tmp37 * tmp36) + (tmp35 * tmp38); + } + tmp40 = tmp34 + tmp39; + tmp98 = tmp34 - tmp39; + tmp68 = tmp66 - tmp67; + tmp89 = tmp66 + tmp67; + } + { + fftw_real tmp46; + fftw_real tmp71; + fftw_real tmp51; + fftw_real tmp72; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp43; + fftw_real tmp45; + fftw_real tmp42; + fftw_real tmp44; + ASSERT_ALIGNED_DOUBLE; + tmp43 = X[iostride]; + tmp45 = Y[-6 * iostride]; + tmp42 = c_re(W[0]); + tmp44 = c_im(W[0]); + tmp46 = (tmp42 * tmp43) - (tmp44 * tmp45); + tmp71 = (tmp44 * tmp43) + (tmp42 * tmp45); + } + { + fftw_real tmp48; + fftw_real tmp50; + fftw_real tmp47; + fftw_real tmp49; + ASSERT_ALIGNED_DOUBLE; + tmp48 = X[5 * iostride]; + tmp50 = Y[-2 * iostride]; + tmp47 = c_re(W[4]); + tmp49 = c_im(W[4]); + tmp51 = (tmp47 * tmp48) - (tmp49 * tmp50); + tmp72 = (tmp49 * tmp48) + (tmp47 * tmp50); + } + tmp52 = tmp46 + tmp51; + tmp70 = tmp46 - tmp51; + tmp73 = tmp71 - tmp72; + tmp86 = tmp71 + tmp72; + } + { + fftw_real tmp41; + fftw_real tmp64; + fftw_real tmp85; + fftw_real tmp88; + ASSERT_ALIGNED_DOUBLE; + tmp41 = tmp29 + tmp40; + tmp64 = tmp52 + tmp63; + Y[-4 * iostride] = tmp41 - tmp64; + X[0] = tmp41 + tmp64; + { + fftw_real tmp95; + fftw_real tmp96; + fftw_real tmp93; + fftw_real tmp94; + ASSERT_ALIGNED_DOUBLE; + tmp95 = tmp92 - tmp89; + tmp96 = tmp63 - tmp52; + X[6 * iostride] = -(tmp95 - tmp96); + Y[-2 * iostride] = tmp96 + tmp95; + tmp93 = tmp89 + tmp92; + tmp94 = tmp86 + tmp87; + X[4 * iostride] = -(tmp93 - tmp94); + Y[0] = tmp94 + tmp93; + } + tmp85 = tmp29 - tmp40; + tmp88 = tmp86 - tmp87; + Y[-6 * iostride] = tmp85 - tmp88; + X[2 * iostride] = tmp85 + tmp88; + { + fftw_real tmp81; + fftw_real tmp99; + fftw_real tmp84; + fftw_real tmp100; + fftw_real tmp82; + fftw_real tmp83; + ASSERT_ALIGNED_DOUBLE; + tmp81 = tmp65 - tmp68; + tmp99 = tmp97 - tmp98; + tmp82 = tmp73 - tmp70; + tmp83 = tmp75 + tmp78; + tmp84 = K707106781 * (tmp82 - tmp83); + tmp100 = K707106781 * (tmp82 + tmp83); + Y[-7 * iostride] = tmp81 - tmp84; + X[3 * iostride] = tmp81 + tmp84; + X[5 * iostride] = -(tmp99 - tmp100); + Y[-iostride] = tmp100 + tmp99; + } + { + fftw_real tmp69; + fftw_real tmp101; + fftw_real tmp80; + fftw_real tmp102; + fftw_real tmp74; + fftw_real tmp79; + ASSERT_ALIGNED_DOUBLE; + tmp69 = tmp65 + tmp68; + tmp101 = tmp98 + tmp97; + tmp74 = tmp70 + tmp73; + tmp79 = tmp75 - tmp78; + tmp80 = K707106781 * (tmp74 + tmp79); + tmp102 = K707106781 * (tmp79 - tmp74); + Y[-5 * iostride] = tmp69 - tmp80; + X[iostride] = tmp69 + tmp80; + X[7 * iostride] = -(tmp101 - tmp102); + Y[-3 * iostride] = tmp102 + tmp101; + } + } + } + if (i == m) { + fftw_real tmp1; + fftw_real tmp19; + fftw_real tmp4; + fftw_real tmp18; + fftw_real tmp8; + fftw_real tmp14; + fftw_real tmp11; + fftw_real tmp15; + fftw_real tmp2; + fftw_real tmp3; + ASSERT_ALIGNED_DOUBLE; + tmp1 = X[0]; + tmp19 = X[4 * iostride]; + tmp2 = X[2 * iostride]; + tmp3 = X[6 * iostride]; + tmp4 = K707106781 * (tmp2 - tmp3); + tmp18 = K707106781 * (tmp2 + tmp3); + { + fftw_real tmp6; + fftw_real tmp7; + fftw_real tmp9; + fftw_real tmp10; + ASSERT_ALIGNED_DOUBLE; + tmp6 = X[iostride]; + tmp7 = X[5 * iostride]; + tmp8 = (K923879532 * tmp6) - (K382683432 * tmp7); + tmp14 = (K382683432 * tmp6) + (K923879532 * tmp7); + tmp9 = X[3 * iostride]; + tmp10 = X[7 * iostride]; + tmp11 = (K382683432 * tmp9) - (K923879532 * tmp10); + tmp15 = (K923879532 * tmp9) + (K382683432 * tmp10); + } + { + fftw_real tmp5; + fftw_real tmp12; + fftw_real tmp21; + fftw_real tmp22; + ASSERT_ALIGNED_DOUBLE; + tmp5 = tmp1 + tmp4; + tmp12 = tmp8 + tmp11; + X[3 * iostride] = tmp5 - tmp12; + X[0] = tmp5 + tmp12; + tmp21 = tmp11 - tmp8; + tmp22 = tmp19 - tmp18; + Y[-2 * iostride] = tmp21 - tmp22; + Y[-iostride] = tmp21 + tmp22; + } + { + fftw_real tmp17; + fftw_real tmp20; + fftw_real tmp13; + fftw_real tmp16; + ASSERT_ALIGNED_DOUBLE; + tmp17 = tmp14 + tmp15; + tmp20 = tmp18 + tmp19; + Y[0] = -(tmp17 + tmp20); + Y[-3 * iostride] = tmp20 - tmp17; + tmp13 = tmp1 - tmp4; + tmp16 = tmp14 - tmp15; + X[2 * iostride] = tmp13 - tmp16; + X[iostride] = tmp13 + tmp16; + } + } +} + +static const int twiddle_order[] = +{1, 2, 3, 4, 5, 6, 7}; +fftw_codelet_desc fftw_hc2hc_forward_8_desc = +{ + "fftw_hc2hc_forward_8", + (void (*)()) fftw_hc2hc_forward_8, + 8, + FFTW_FORWARD, + FFTW_HC2HC, + 179, + 7, + twiddle_order, +}; -- cgit v1.2.3