/* * 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 02:06:06 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 -real2hc 14 */ /* * This function contains 62 FP additions, 36 FP multiplications, * (or, 62 additions, 36 multiplications, 0 fused multiply/add), * 22 stack variables, and 28 memory accesses */ static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162); static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569); static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731); static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728); static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519); static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801); /* * Generator Id's : * $Id: exprdag.ml,v 1.43 2003/03/16 23:43:46 stevenj Exp $ * $Id: fft.ml,v 1.44 2003/03/16 23:43:46 stevenj Exp $ * $Id: to_c.ml,v 1.26 2003/03/16 23:43:46 stevenj Exp $ */ void fftw_real2hc_14(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) { fftw_real tmp3; fftw_real tmp37; fftw_real tmp6; fftw_real tmp31; fftw_real tmp23; fftw_real tmp35; fftw_real tmp20; fftw_real tmp34; fftw_real tmp13; fftw_real tmp29; fftw_real tmp9; fftw_real tmp32; fftw_real tmp16; fftw_real tmp28; fftw_real tmp1; fftw_real tmp2; ASSERT_ALIGNED_DOUBLE; tmp1 = input[0]; tmp2 = input[7 * istride]; tmp3 = tmp1 - tmp2; tmp37 = tmp1 + tmp2; { fftw_real tmp4; fftw_real tmp5; fftw_real tmp21; fftw_real tmp22; ASSERT_ALIGNED_DOUBLE; tmp4 = input[6 * istride]; tmp5 = input[13 * istride]; tmp6 = tmp4 - tmp5; tmp31 = tmp4 + tmp5; tmp21 = input[10 * istride]; tmp22 = input[3 * istride]; tmp23 = tmp21 - tmp22; tmp35 = tmp21 + tmp22; } { fftw_real tmp18; fftw_real tmp19; fftw_real tmp11; fftw_real tmp12; ASSERT_ALIGNED_DOUBLE; tmp18 = input[4 * istride]; tmp19 = input[11 * istride]; tmp20 = tmp18 - tmp19; tmp34 = tmp18 + tmp19; tmp11 = input[2 * istride]; tmp12 = input[9 * istride]; tmp13 = tmp11 - tmp12; tmp29 = tmp11 + tmp12; } { fftw_real tmp7; fftw_real tmp8; fftw_real tmp14; fftw_real tmp15; ASSERT_ALIGNED_DOUBLE; tmp7 = input[8 * istride]; tmp8 = input[istride]; tmp9 = tmp7 - tmp8; tmp32 = tmp7 + tmp8; tmp14 = input[12 * istride]; tmp15 = input[5 * istride]; tmp16 = tmp14 - tmp15; tmp28 = tmp14 + tmp15; } { fftw_real tmp25; fftw_real tmp27; fftw_real tmp26; fftw_real tmp10; fftw_real tmp24; fftw_real tmp17; ASSERT_ALIGNED_DOUBLE; tmp25 = tmp16 - tmp13; tmp27 = tmp23 - tmp20; tmp26 = tmp9 - tmp6; imag_output[5 * imag_ostride] = -((K974927912 * tmp25) - (K781831482 * tmp26) - (K433883739 * tmp27)); imag_output[3 * imag_ostride] = (K974927912 * tmp26) + (K433883739 * tmp25) - (K781831482 * tmp27); imag_output[imag_ostride] = (K974927912 * tmp27) + (K433883739 * tmp26) + (K781831482 * tmp25); tmp10 = tmp6 + tmp9; tmp24 = tmp20 + tmp23; tmp17 = tmp13 + tmp16; real_output[5 * real_ostride] = tmp3 + (K623489801 * tmp10) - (K222520933 * tmp17) - (K900968867 * tmp24); real_output[7 * real_ostride] = tmp3 + tmp24 + tmp10 + tmp17; real_output[3 * real_ostride] = tmp3 + (K623489801 * tmp24) - (K900968867 * tmp17) - (K222520933 * tmp10); real_output[real_ostride] = tmp3 + (K623489801 * tmp17) - (K900968867 * tmp10) - (K222520933 * tmp24); } { fftw_real tmp30; fftw_real tmp36; fftw_real tmp33; fftw_real tmp38; fftw_real tmp40; fftw_real tmp39; ASSERT_ALIGNED_DOUBLE; tmp30 = tmp28 - tmp29; tmp36 = tmp34 - tmp35; tmp33 = tmp31 - tmp32; imag_output[6 * imag_ostride] = -((K781831482 * tmp30) - (K433883739 * tmp33) - (K974927912 * tmp36)); imag_output[2 * imag_ostride] = (K433883739 * tmp36) + (K781831482 * tmp33) + (K974927912 * tmp30); imag_output[4 * imag_ostride] = -((K781831482 * tmp36) + (K433883739 * tmp30) - (K974927912 * tmp33)); tmp38 = tmp31 + tmp32; tmp40 = tmp34 + tmp35; tmp39 = tmp29 + tmp28; real_output[2 * real_ostride] = tmp37 + (K623489801 * tmp38) - (K222520933 * tmp39) - (K900968867 * tmp40); real_output[0] = tmp37 + tmp40 + tmp38 + tmp39; real_output[4 * real_ostride] = tmp37 + (K623489801 * tmp40) - (K900968867 * tmp39) - (K222520933 * tmp38); real_output[6 * real_ostride] = tmp37 + (K623489801 * tmp39) - (K900968867 * tmp38) - (K222520933 * tmp40); } } fftw_codelet_desc fftw_real2hc_14_desc = { "fftw_real2hc_14", (void (*)()) fftw_real2hc_14, 14, FFTW_FORWARD, FFTW_REAL2HC, 310, 0, (const int *) 0, };