/* * 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 02:07:15 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 -hc2real 14 */ /* * This function contains 62 FP additions, 38 FP multiplications, * (or, 60 additions, 36 multiplications, 2 fused multiply/add), * 24 stack variables, and 28 memory accesses */ static const fftw_real K445041867 = FFTW_KONST(+0.445041867912628808577805128993589518932711138); static const fftw_real K1_801937735 = FFTW_KONST(+1.801937735804838252472204639014890102331838324); static const fftw_real K1_246979603 = FFTW_KONST(+1.246979603717467061050009768008479621264549462); static const fftw_real K867767478 = FFTW_KONST(+0.867767478235116240951536665696717509219981456); static const fftw_real K1_949855824 = FFTW_KONST(+1.949855824363647214036263365987862434465571601); static const fftw_real K1_563662964 = FFTW_KONST(+1.563662964936059617416889053348115500464669037); static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); /* * 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_hc2real_14(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride) { fftw_real tmp3; fftw_real tmp13; fftw_real tmp6; fftw_real tmp14; fftw_real tmp26; fftw_real tmp35; fftw_real tmp23; fftw_real tmp34; fftw_real tmp12; fftw_real tmp16; fftw_real tmp20; fftw_real tmp33; fftw_real tmp9; fftw_real tmp15; fftw_real tmp1; fftw_real tmp2; ASSERT_ALIGNED_DOUBLE; tmp1 = real_input[0]; tmp2 = real_input[7 * real_istride]; tmp3 = tmp1 - tmp2; tmp13 = tmp1 + tmp2; { fftw_real tmp4; fftw_real tmp5; fftw_real tmp24; fftw_real tmp25; ASSERT_ALIGNED_DOUBLE; tmp4 = real_input[2 * real_istride]; tmp5 = real_input[5 * real_istride]; tmp6 = tmp4 - tmp5; tmp14 = tmp4 + tmp5; tmp24 = imag_input[2 * imag_istride]; tmp25 = imag_input[5 * imag_istride]; tmp26 = tmp24 - tmp25; tmp35 = tmp24 + tmp25; } { fftw_real tmp21; fftw_real tmp22; fftw_real tmp10; fftw_real tmp11; ASSERT_ALIGNED_DOUBLE; tmp21 = imag_input[6 * imag_istride]; tmp22 = imag_input[imag_istride]; tmp23 = tmp21 - tmp22; tmp34 = tmp21 + tmp22; tmp10 = real_input[6 * real_istride]; tmp11 = real_input[real_istride]; tmp12 = tmp10 - tmp11; tmp16 = tmp10 + tmp11; } { fftw_real tmp18; fftw_real tmp19; fftw_real tmp7; fftw_real tmp8; ASSERT_ALIGNED_DOUBLE; tmp18 = imag_input[4 * imag_istride]; tmp19 = imag_input[3 * imag_istride]; tmp20 = tmp18 - tmp19; tmp33 = tmp18 + tmp19; tmp7 = real_input[4 * real_istride]; tmp8 = real_input[3 * real_istride]; tmp9 = tmp7 - tmp8; tmp15 = tmp7 + tmp8; } { fftw_real tmp38; fftw_real tmp37; fftw_real tmp29; fftw_real tmp28; ASSERT_ALIGNED_DOUBLE; output[7 * ostride] = tmp3 + (K2_000000000 * (tmp6 + tmp9 + tmp12)); tmp38 = (K1_563662964 * tmp35) + (K1_949855824 * tmp33) + (K867767478 * tmp34); tmp37 = tmp3 + (K1_246979603 * tmp6) - (K1_801937735 * tmp12) - (K445041867 * tmp9); output[ostride] = tmp37 - tmp38; output[13 * ostride] = tmp37 + tmp38; { fftw_real tmp40; fftw_real tmp39; fftw_real tmp36; fftw_real tmp32; ASSERT_ALIGNED_DOUBLE; tmp40 = (K867767478 * tmp33) + (K1_563662964 * tmp34) - (K1_949855824 * tmp35); tmp39 = tmp3 + (K1_246979603 * tmp12) - (K1_801937735 * tmp9) - (K445041867 * tmp6); output[5 * ostride] = tmp39 - tmp40; output[9 * ostride] = tmp39 + tmp40; tmp36 = (K1_563662964 * tmp33) - (K1_949855824 * tmp34) - (K867767478 * tmp35); tmp32 = tmp3 + (K1_246979603 * tmp9) - (K445041867 * tmp12) - (K1_801937735 * tmp6); output[11 * ostride] = tmp32 - tmp36; output[3 * ostride] = tmp32 + tmp36; } output[0] = tmp13 + (K2_000000000 * (tmp14 + tmp15 + tmp16)); tmp29 = (K867767478 * tmp20) + (K1_563662964 * tmp23) - (K1_949855824 * tmp26); tmp28 = tmp13 + (K1_246979603 * tmp16) - (K1_801937735 * tmp15) - (K445041867 * tmp14); output[12 * ostride] = tmp28 - tmp29; output[2 * ostride] = tmp28 + tmp29; { fftw_real tmp31; fftw_real tmp30; fftw_real tmp27; fftw_real tmp17; ASSERT_ALIGNED_DOUBLE; tmp31 = (K1_563662964 * tmp26) + (K1_949855824 * tmp20) + (K867767478 * tmp23); tmp30 = tmp13 + (K1_246979603 * tmp14) - (K1_801937735 * tmp16) - (K445041867 * tmp15); output[8 * ostride] = tmp30 - tmp31; output[6 * ostride] = tmp30 + tmp31; tmp27 = (K1_563662964 * tmp20) - (K1_949855824 * tmp23) - (K867767478 * tmp26); tmp17 = tmp13 + (K1_246979603 * tmp15) - (K445041867 * tmp16) - (K1_801937735 * tmp14); output[4 * ostride] = tmp17 - tmp27; output[10 * ostride] = tmp17 + tmp27; } } } fftw_codelet_desc fftw_hc2real_14_desc = { "fftw_hc2real_14", (void (*)()) fftw_hc2real_14, 14, FFTW_BACKWARD, FFTW_HC2REAL, 323, 0, (const int *) 0, };