/* * 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 20:44:05 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 7 */ /* * This function contains 60 FP additions, 36 FP multiplications, * (or, 60 additions, 36 multiplications, 0 fused multiply/add), * 22 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: exprdag.ml,v 1.41 1999/05/26 15:44:14 fftw Exp $ * $Id: fft.ml,v 1.43 1999/05/17 19:44:18 fftw Exp $ * $Id: to_c.ml,v 1.25 1999/10/26 21:41:32 stevenj Exp $ */ void fftwi_no_twiddle_7(const fftw_complex *input, fftw_complex *output, int istride, int ostride) { fftw_real tmp1; fftw_real tmp15; fftw_real tmp4; fftw_real tmp11; fftw_real tmp24; fftw_real tmp31; fftw_real tmp7; fftw_real tmp13; fftw_real tmp18; fftw_real tmp33; fftw_real tmp10; fftw_real tmp12; fftw_real tmp21; fftw_real tmp32; ASSERT_ALIGNED_DOUBLE; tmp1 = c_re(input[0]); tmp15 = c_im(input[0]); { fftw_real tmp2; fftw_real tmp3; fftw_real tmp22; fftw_real tmp23; ASSERT_ALIGNED_DOUBLE; tmp2 = c_re(input[istride]); tmp3 = c_re(input[6 * istride]); tmp4 = tmp2 + tmp3; tmp11 = tmp2 - tmp3; tmp22 = c_im(input[istride]); tmp23 = c_im(input[6 * istride]); tmp24 = tmp22 + tmp23; tmp31 = tmp23 - tmp22; } { fftw_real tmp5; fftw_real tmp6; fftw_real tmp16; fftw_real tmp17; ASSERT_ALIGNED_DOUBLE; tmp5 = c_re(input[2 * istride]); tmp6 = c_re(input[5 * istride]); tmp7 = tmp5 + tmp6; tmp13 = tmp5 - tmp6; tmp16 = c_im(input[2 * istride]); tmp17 = c_im(input[5 * istride]); tmp18 = tmp16 + tmp17; tmp33 = tmp17 - tmp16; } { fftw_real tmp8; fftw_real tmp9; fftw_real tmp19; fftw_real tmp20; ASSERT_ALIGNED_DOUBLE; tmp8 = c_re(input[3 * istride]); tmp9 = c_re(input[4 * istride]); tmp10 = tmp8 + tmp9; tmp12 = tmp8 - tmp9; tmp19 = c_im(input[3 * istride]); tmp20 = c_im(input[4 * istride]); tmp21 = tmp19 + tmp20; tmp32 = tmp20 - tmp19; } { fftw_real tmp36; fftw_real tmp35; fftw_real tmp26; fftw_real tmp27; ASSERT_ALIGNED_DOUBLE; c_re(output[0]) = tmp1 + tmp4 + tmp7 + tmp10; tmp36 = (K781831482 * tmp31) + (K974927912 * tmp33) + (K433883739 * tmp32); tmp35 = tmp1 + (K623489801 * tmp4) - (K900968867 * tmp10) - (K222520933 * tmp7); c_re(output[6 * ostride]) = tmp35 - tmp36; c_re(output[ostride]) = tmp35 + tmp36; { fftw_real tmp38; fftw_real tmp37; fftw_real tmp34; fftw_real tmp30; ASSERT_ALIGNED_DOUBLE; tmp38 = (K433883739 * tmp31) + (K974927912 * tmp32) - (K781831482 * tmp33); tmp37 = tmp1 + (K623489801 * tmp7) - (K222520933 * tmp10) - (K900968867 * tmp4); c_re(output[4 * ostride]) = tmp37 - tmp38; c_re(output[3 * ostride]) = tmp37 + tmp38; tmp34 = (K974927912 * tmp31) - (K781831482 * tmp32) - (K433883739 * tmp33); tmp30 = tmp1 + (K623489801 * tmp10) - (K900968867 * tmp7) - (K222520933 * tmp4); c_re(output[5 * ostride]) = tmp30 - tmp34; c_re(output[2 * ostride]) = tmp30 + tmp34; } c_im(output[0]) = tmp15 + tmp24 + tmp18 + tmp21; tmp26 = (K781831482 * tmp11) + (K974927912 * tmp13) + (K433883739 * tmp12); tmp27 = tmp15 + (K623489801 * tmp24) - (K900968867 * tmp21) - (K222520933 * tmp18); c_im(output[ostride]) = tmp26 + tmp27; c_im(output[6 * ostride]) = tmp27 - tmp26; { fftw_real tmp14; fftw_real tmp25; fftw_real tmp28; fftw_real tmp29; ASSERT_ALIGNED_DOUBLE; tmp14 = (K433883739 * tmp11) + (K974927912 * tmp12) - (K781831482 * tmp13); tmp25 = tmp15 + (K623489801 * tmp18) - (K222520933 * tmp21) - (K900968867 * tmp24); c_im(output[3 * ostride]) = tmp14 + tmp25; c_im(output[4 * ostride]) = tmp25 - tmp14; tmp28 = (K974927912 * tmp11) - (K781831482 * tmp12) - (K433883739 * tmp13); tmp29 = tmp15 + (K623489801 * tmp21) - (K900968867 * tmp18) - (K222520933 * tmp24); c_im(output[2 * ostride]) = tmp28 + tmp29; c_im(output[5 * ostride]) = tmp29 - tmp28; } } } fftw_codelet_desc fftwi_no_twiddle_7_desc = { "fftwi_no_twiddle_7", (void (*)()) fftwi_no_twiddle_7, 7, FFTW_BACKWARD, FFTW_NOTW, 166, 0, (const int *) 0, };