ref: e79f5009f833fbbe65b213c59e2e5c27e1ee1ce1
dir: /libfaad/fftw/ftw_10.c/
/* * 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 20:44:36 EST 1999 */ #include <fftw-int.h> #include <fftw.h> /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddle 10 */ /* * This function contains 102 FP additions, 60 FP multiplications, * (or, 72 additions, 30 multiplications, 30 fused multiply/add), * 42 stack variables, and 40 memory accesses */ static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000); static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590); /* * Generator Id's : * $Id: ftw_10.c,v 1.1 2002/04/07 21:26:04 menno Exp $ * $Id: ftw_10.c,v 1.1 2002/04/07 21:26:04 menno Exp $ * $Id: ftw_10.c,v 1.1 2002/04/07 21:26:04 menno Exp $ */ void fftw_twiddle_10(fftw_complex *A, const fftw_complex *W, int iostride, int m, int dist) { int i; fftw_complex *inout; inout = A; for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 9) { fftw_real tmp7; fftw_real tmp55; fftw_real tmp100; fftw_real tmp112; fftw_real tmp41; fftw_real tmp52; fftw_real tmp53; fftw_real tmp59; fftw_real tmp60; fftw_real tmp61; fftw_real tmp75; fftw_real tmp78; fftw_real tmp110; fftw_real tmp86; fftw_real tmp87; fftw_real tmp96; fftw_real tmp18; fftw_real tmp29; fftw_real tmp30; fftw_real tmp56; fftw_real tmp57; fftw_real tmp58; fftw_real tmp68; fftw_real tmp71; fftw_real tmp109; fftw_real tmp89; fftw_real tmp90; fftw_real tmp95; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp1; fftw_real tmp99; fftw_real tmp6; fftw_real tmp98; ASSERT_ALIGNED_DOUBLE; tmp1 = c_re(inout[0]); tmp99 = c_im(inout[0]); { fftw_real tmp3; fftw_real tmp5; fftw_real tmp2; fftw_real tmp4; ASSERT_ALIGNED_DOUBLE; tmp3 = c_re(inout[5 * iostride]); tmp5 = c_im(inout[5 * iostride]); tmp2 = c_re(W[4]); tmp4 = c_im(W[4]); tmp6 = (tmp2 * tmp3) - (tmp4 * tmp5); tmp98 = (tmp4 * tmp3) + (tmp2 * tmp5); } tmp7 = tmp1 - tmp6; tmp55 = tmp1 + tmp6; tmp100 = tmp98 + tmp99; tmp112 = tmp99 - tmp98; } { fftw_real tmp35; fftw_real tmp73; fftw_real tmp51; fftw_real tmp77; fftw_real tmp40; fftw_real tmp74; fftw_real tmp46; fftw_real tmp76; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp32; fftw_real tmp34; fftw_real tmp31; fftw_real tmp33; ASSERT_ALIGNED_DOUBLE; tmp32 = c_re(inout[4 * iostride]); tmp34 = c_im(inout[4 * iostride]); tmp31 = c_re(W[3]); tmp33 = c_im(W[3]); tmp35 = (tmp31 * tmp32) - (tmp33 * tmp34); tmp73 = (tmp33 * tmp32) + (tmp31 * tmp34); } { fftw_real tmp48; fftw_real tmp50; fftw_real tmp47; fftw_real tmp49; ASSERT_ALIGNED_DOUBLE; tmp48 = c_re(inout[iostride]); tmp50 = c_im(inout[iostride]); tmp47 = c_re(W[0]); tmp49 = c_im(W[0]); tmp51 = (tmp47 * tmp48) - (tmp49 * tmp50); tmp77 = (tmp49 * tmp48) + (tmp47 * tmp50); } { fftw_real tmp37; fftw_real tmp39; fftw_real tmp36; fftw_real tmp38; ASSERT_ALIGNED_DOUBLE; tmp37 = c_re(inout[9 * iostride]); tmp39 = c_im(inout[9 * iostride]); tmp36 = c_re(W[8]); tmp38 = c_im(W[8]); tmp40 = (tmp36 * tmp37) - (tmp38 * tmp39); tmp74 = (tmp38 * tmp37) + (tmp36 * tmp39); } { fftw_real tmp43; fftw_real tmp45; fftw_real tmp42; fftw_real tmp44; ASSERT_ALIGNED_DOUBLE; tmp43 = c_re(inout[6 * iostride]); tmp45 = c_im(inout[6 * iostride]); tmp42 = c_re(W[5]); tmp44 = c_im(W[5]); tmp46 = (tmp42 * tmp43) - (tmp44 * tmp45); tmp76 = (tmp44 * tmp43) + (tmp42 * tmp45); } tmp41 = tmp35 - tmp40; tmp52 = tmp46 - tmp51; tmp53 = tmp41 + tmp52; tmp59 = tmp35 + tmp40; tmp60 = tmp46 + tmp51; tmp61 = tmp59 + tmp60; tmp75 = tmp73 - tmp74; tmp78 = tmp76 - tmp77; tmp110 = tmp75 + tmp78; tmp86 = tmp73 + tmp74; tmp87 = tmp76 + tmp77; tmp96 = tmp86 + tmp87; } { fftw_real tmp12; fftw_real tmp66; fftw_real tmp28; fftw_real tmp70; fftw_real tmp17; fftw_real tmp67; fftw_real tmp23; fftw_real tmp69; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp9; fftw_real tmp11; fftw_real tmp8; fftw_real tmp10; ASSERT_ALIGNED_DOUBLE; tmp9 = c_re(inout[2 * iostride]); tmp11 = c_im(inout[2 * iostride]); tmp8 = c_re(W[1]); tmp10 = c_im(W[1]); tmp12 = (tmp8 * tmp9) - (tmp10 * tmp11); tmp66 = (tmp10 * tmp9) + (tmp8 * tmp11); } { fftw_real tmp25; fftw_real tmp27; fftw_real tmp24; fftw_real tmp26; ASSERT_ALIGNED_DOUBLE; tmp25 = c_re(inout[3 * iostride]); tmp27 = c_im(inout[3 * iostride]); tmp24 = c_re(W[2]); tmp26 = c_im(W[2]); tmp28 = (tmp24 * tmp25) - (tmp26 * tmp27); tmp70 = (tmp26 * tmp25) + (tmp24 * tmp27); } { fftw_real tmp14; fftw_real tmp16; fftw_real tmp13; fftw_real tmp15; ASSERT_ALIGNED_DOUBLE; tmp14 = c_re(inout[7 * iostride]); tmp16 = c_im(inout[7 * iostride]); tmp13 = c_re(W[6]); tmp15 = c_im(W[6]); tmp17 = (tmp13 * tmp14) - (tmp15 * tmp16); tmp67 = (tmp15 * tmp14) + (tmp13 * tmp16); } { fftw_real tmp20; fftw_real tmp22; fftw_real tmp19; fftw_real tmp21; ASSERT_ALIGNED_DOUBLE; tmp20 = c_re(inout[8 * iostride]); tmp22 = c_im(inout[8 * iostride]); tmp19 = c_re(W[7]); tmp21 = c_im(W[7]); tmp23 = (tmp19 * tmp20) - (tmp21 * tmp22); tmp69 = (tmp21 * tmp20) + (tmp19 * tmp22); } tmp18 = tmp12 - tmp17; tmp29 = tmp23 - tmp28; tmp30 = tmp18 + tmp29; tmp56 = tmp12 + tmp17; tmp57 = tmp23 + tmp28; tmp58 = tmp56 + tmp57; tmp68 = tmp66 - tmp67; tmp71 = tmp69 - tmp70; tmp109 = tmp68 + tmp71; tmp89 = tmp66 + tmp67; tmp90 = tmp69 + tmp70; tmp95 = tmp89 + tmp90; } { fftw_real tmp63; fftw_real tmp54; fftw_real tmp64; fftw_real tmp80; fftw_real tmp82; fftw_real tmp72; fftw_real tmp79; fftw_real tmp81; fftw_real tmp65; ASSERT_ALIGNED_DOUBLE; tmp63 = K559016994 * (tmp30 - tmp53); tmp54 = tmp30 + tmp53; tmp64 = tmp7 - (K250000000 * tmp54); tmp72 = tmp68 - tmp71; tmp79 = tmp75 - tmp78; tmp80 = (K951056516 * tmp72) + (K587785252 * tmp79); tmp82 = (K951056516 * tmp79) - (K587785252 * tmp72); c_re(inout[5 * iostride]) = tmp7 + tmp54; tmp81 = tmp64 - tmp63; c_re(inout[7 * iostride]) = tmp81 - tmp82; c_re(inout[3 * iostride]) = tmp81 + tmp82; tmp65 = tmp63 + tmp64; c_re(inout[9 * iostride]) = tmp65 - tmp80; c_re(inout[iostride]) = tmp65 + tmp80; } { fftw_real tmp111; fftw_real tmp113; fftw_real tmp114; fftw_real tmp118; fftw_real tmp120; fftw_real tmp116; fftw_real tmp117; fftw_real tmp119; fftw_real tmp115; ASSERT_ALIGNED_DOUBLE; tmp111 = K559016994 * (tmp109 - tmp110); tmp113 = tmp109 + tmp110; tmp114 = tmp112 - (K250000000 * tmp113); tmp116 = tmp18 - tmp29; tmp117 = tmp41 - tmp52; tmp118 = (K951056516 * tmp116) + (K587785252 * tmp117); tmp120 = (K951056516 * tmp117) - (K587785252 * tmp116); c_im(inout[5 * iostride]) = tmp113 + tmp112; tmp119 = tmp114 - tmp111; c_im(inout[3 * iostride]) = tmp119 - tmp120; c_im(inout[7 * iostride]) = tmp120 + tmp119; tmp115 = tmp111 + tmp114; c_im(inout[iostride]) = tmp115 - tmp118; c_im(inout[9 * iostride]) = tmp118 + tmp115; } { fftw_real tmp84; fftw_real tmp62; fftw_real tmp83; fftw_real tmp92; fftw_real tmp94; fftw_real tmp88; fftw_real tmp91; fftw_real tmp93; fftw_real tmp85; ASSERT_ALIGNED_DOUBLE; tmp84 = K559016994 * (tmp58 - tmp61); tmp62 = tmp58 + tmp61; tmp83 = tmp55 - (K250000000 * tmp62); tmp88 = tmp86 - tmp87; tmp91 = tmp89 - tmp90; tmp92 = (K951056516 * tmp88) - (K587785252 * tmp91); tmp94 = (K951056516 * tmp91) + (K587785252 * tmp88); c_re(inout[0]) = tmp55 + tmp62; tmp93 = tmp84 + tmp83; c_re(inout[4 * iostride]) = tmp93 - tmp94; c_re(inout[6 * iostride]) = tmp93 + tmp94; tmp85 = tmp83 - tmp84; c_re(inout[2 * iostride]) = tmp85 - tmp92; c_re(inout[8 * iostride]) = tmp85 + tmp92; } { fftw_real tmp105; fftw_real tmp97; fftw_real tmp104; fftw_real tmp103; fftw_real tmp107; fftw_real tmp101; fftw_real tmp102; fftw_real tmp108; fftw_real tmp106; ASSERT_ALIGNED_DOUBLE; tmp105 = K559016994 * (tmp95 - tmp96); tmp97 = tmp95 + tmp96; tmp104 = tmp100 - (K250000000 * tmp97); tmp101 = tmp59 - tmp60; tmp102 = tmp56 - tmp57; tmp103 = (K951056516 * tmp101) - (K587785252 * tmp102); tmp107 = (K951056516 * tmp102) + (K587785252 * tmp101); c_im(inout[0]) = tmp97 + tmp100; tmp108 = tmp105 + tmp104; c_im(inout[4 * iostride]) = tmp107 + tmp108; c_im(inout[6 * iostride]) = tmp108 - tmp107; tmp106 = tmp104 - tmp105; c_im(inout[2 * iostride]) = tmp103 + tmp106; c_im(inout[8 * iostride]) = tmp106 - tmp103; } } } static const int twiddle_order[] = {1, 2, 3, 4, 5, 6, 7, 8, 9}; fftw_codelet_desc fftw_twiddle_10_desc = { "fftw_twiddle_10", (void (*)()) fftw_twiddle_10, 10, FFTW_FORWARD, FFTW_TWIDDLE, 220, 9, twiddle_order, };