/* * Copyright (c) 1997-1999, 2003 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 Mon Mar 24 02:07:33 EST 2003 */ #include "fftw-int.h" #include "fftw.h" /* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddle 7 */ /* * This function contains 72 FP additions, 60 FP multiplications, * (or, 60 additions, 48 multiplications, 12 fused multiply/add), * 24 stack variables, and 28 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: ftw_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ * $Id: ftw_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ * $Id: ftw_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ */ void fftw_twiddle_7(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 + 6) { fftw_real tmp1; fftw_real tmp53; fftw_real tmp12; fftw_real tmp54; fftw_real tmp38; fftw_real tmp50; fftw_real tmp23; fftw_real tmp55; fftw_real tmp44; fftw_real tmp51; fftw_real tmp34; fftw_real tmp56; fftw_real tmp41; fftw_real tmp52; ASSERT_ALIGNED_DOUBLE; tmp1 = c_re(inout[0]); tmp53 = c_im(inout[0]); { fftw_real tmp6; fftw_real tmp36; fftw_real tmp11; fftw_real tmp37; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp3; fftw_real tmp5; fftw_real tmp2; fftw_real tmp4; ASSERT_ALIGNED_DOUBLE; tmp3 = c_re(inout[iostride]); tmp5 = c_im(inout[iostride]); tmp2 = c_re(W[0]); tmp4 = c_im(W[0]); tmp6 = (tmp2 * tmp3) - (tmp4 * tmp5); tmp36 = (tmp4 * tmp3) + (tmp2 * tmp5); } { fftw_real tmp8; fftw_real tmp10; fftw_real tmp7; fftw_real tmp9; ASSERT_ALIGNED_DOUBLE; tmp8 = c_re(inout[6 * iostride]); tmp10 = c_im(inout[6 * iostride]); tmp7 = c_re(W[5]); tmp9 = c_im(W[5]); tmp11 = (tmp7 * tmp8) - (tmp9 * tmp10); tmp37 = (tmp9 * tmp8) + (tmp7 * tmp10); } tmp12 = tmp6 + tmp11; tmp54 = tmp11 - tmp6; tmp38 = tmp36 - tmp37; tmp50 = tmp36 + tmp37; } { fftw_real tmp17; fftw_real tmp42; fftw_real tmp22; fftw_real tmp43; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp14; fftw_real tmp16; fftw_real tmp13; fftw_real tmp15; ASSERT_ALIGNED_DOUBLE; tmp14 = c_re(inout[2 * iostride]); tmp16 = c_im(inout[2 * iostride]); tmp13 = c_re(W[1]); tmp15 = c_im(W[1]); tmp17 = (tmp13 * tmp14) - (tmp15 * tmp16); tmp42 = (tmp15 * tmp14) + (tmp13 * tmp16); } { fftw_real tmp19; fftw_real tmp21; fftw_real tmp18; fftw_real tmp20; ASSERT_ALIGNED_DOUBLE; tmp19 = c_re(inout[5 * iostride]); tmp21 = c_im(inout[5 * iostride]); tmp18 = c_re(W[4]); tmp20 = c_im(W[4]); tmp22 = (tmp18 * tmp19) - (tmp20 * tmp21); tmp43 = (tmp20 * tmp19) + (tmp18 * tmp21); } tmp23 = tmp17 + tmp22; tmp55 = tmp22 - tmp17; tmp44 = tmp42 - tmp43; tmp51 = tmp42 + tmp43; } { fftw_real tmp28; fftw_real tmp39; fftw_real tmp33; fftw_real tmp40; ASSERT_ALIGNED_DOUBLE; { 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); tmp39 = (tmp26 * tmp25) + (tmp24 * tmp27); } { fftw_real tmp30; fftw_real tmp32; fftw_real tmp29; fftw_real tmp31; ASSERT_ALIGNED_DOUBLE; tmp30 = c_re(inout[4 * iostride]); tmp32 = c_im(inout[4 * iostride]); tmp29 = c_re(W[3]); tmp31 = c_im(W[3]); tmp33 = (tmp29 * tmp30) - (tmp31 * tmp32); tmp40 = (tmp31 * tmp30) + (tmp29 * tmp32); } tmp34 = tmp28 + tmp33; tmp56 = tmp33 - tmp28; tmp41 = tmp39 - tmp40; tmp52 = tmp39 + tmp40; } { fftw_real tmp47; fftw_real tmp46; fftw_real tmp59; fftw_real tmp60; ASSERT_ALIGNED_DOUBLE; c_re(inout[0]) = tmp1 + tmp12 + tmp23 + tmp34; tmp47 = (K781831482 * tmp38) + (K974927912 * tmp44) + (K433883739 * tmp41); tmp46 = tmp1 + (K623489801 * tmp12) - (K900968867 * tmp34) - (K222520933 * tmp23); c_re(inout[6 * iostride]) = tmp46 - tmp47; c_re(inout[iostride]) = tmp46 + tmp47; { fftw_real tmp49; fftw_real tmp48; fftw_real tmp45; fftw_real tmp35; ASSERT_ALIGNED_DOUBLE; tmp49 = (K433883739 * tmp38) + (K974927912 * tmp41) - (K781831482 * tmp44); tmp48 = tmp1 + (K623489801 * tmp23) - (K222520933 * tmp34) - (K900968867 * tmp12); c_re(inout[4 * iostride]) = tmp48 - tmp49; c_re(inout[3 * iostride]) = tmp48 + tmp49; tmp45 = (K974927912 * tmp38) - (K781831482 * tmp41) - (K433883739 * tmp44); tmp35 = tmp1 + (K623489801 * tmp34) - (K900968867 * tmp23) - (K222520933 * tmp12); c_re(inout[5 * iostride]) = tmp35 - tmp45; c_re(inout[2 * iostride]) = tmp35 + tmp45; } c_im(inout[0]) = tmp50 + tmp51 + tmp52 + tmp53; tmp59 = (K974927912 * tmp54) - (K781831482 * tmp56) - (K433883739 * tmp55); tmp60 = (K623489801 * tmp52) + tmp53 - (K900968867 * tmp51) - (K222520933 * tmp50); c_im(inout[2 * iostride]) = tmp59 + tmp60; c_im(inout[5 * iostride]) = tmp60 - tmp59; { fftw_real tmp61; fftw_real tmp62; fftw_real tmp57; fftw_real tmp58; ASSERT_ALIGNED_DOUBLE; tmp61 = (K433883739 * tmp54) + (K974927912 * tmp56) - (K781831482 * tmp55); tmp62 = (K623489801 * tmp51) + tmp53 - (K222520933 * tmp52) - (K900968867 * tmp50); c_im(inout[3 * iostride]) = tmp61 + tmp62; c_im(inout[4 * iostride]) = tmp62 - tmp61; tmp57 = (K781831482 * tmp54) + (K974927912 * tmp55) + (K433883739 * tmp56); tmp58 = (K623489801 * tmp50) + tmp53 - (K900968867 * tmp52) - (K222520933 * tmp51); c_im(inout[iostride]) = tmp57 + tmp58; c_im(inout[6 * iostride]) = tmp58 - tmp57; } } } } static const int twiddle_order[] = { 1, 2, 3, 4, 5, 6 }; fftw_codelet_desc fftw_twiddle_7_desc = { "fftw_twiddle_7", (void (*)()) fftw_twiddle_7, 7, FFTW_FORWARD, FFTW_TWIDDLE, 154, 6, twiddle_order, };