/* * 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 02:05:57 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 10 */ /* * This function contains 34 FP additions, 12 FP multiplications, * (or, 28 additions, 6 multiplications, 6 fused multiply/add), * 21 stack variables, and 20 memory accesses */ static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000); static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590); static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); /* * 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_10(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) { fftw_real tmp26; fftw_real tmp29; fftw_real tmp10; fftw_real tmp15; fftw_real tmp13; fftw_real tmp16; fftw_real tmp22; fftw_real tmp31; fftw_real tmp3; fftw_real tmp18; fftw_real tmp6; fftw_real tmp19; fftw_real tmp21; fftw_real tmp30; fftw_real tmp24; fftw_real tmp25; ASSERT_ALIGNED_DOUBLE; tmp24 = input[0]; tmp25 = input[5 * istride]; tmp26 = tmp24 - tmp25; tmp29 = tmp24 + tmp25; { fftw_real tmp8; fftw_real tmp9; fftw_real tmp11; fftw_real tmp12; ASSERT_ALIGNED_DOUBLE; tmp8 = input[4 * istride]; tmp9 = input[9 * istride]; tmp10 = tmp8 - tmp9; tmp15 = tmp8 + tmp9; tmp11 = input[6 * istride]; tmp12 = input[istride]; tmp13 = tmp11 - tmp12; tmp16 = tmp11 + tmp12; } tmp22 = tmp10 + tmp13; tmp31 = tmp15 + tmp16; { fftw_real tmp1; fftw_real tmp2; fftw_real tmp4; fftw_real tmp5; ASSERT_ALIGNED_DOUBLE; tmp1 = input[2 * istride]; tmp2 = input[7 * istride]; tmp3 = tmp1 - tmp2; tmp18 = tmp1 + tmp2; tmp4 = input[8 * istride]; tmp5 = input[3 * istride]; tmp6 = tmp4 - tmp5; tmp19 = tmp4 + tmp5; } tmp21 = tmp3 + tmp6; tmp30 = tmp18 + tmp19; { fftw_real tmp7; fftw_real tmp14; fftw_real tmp34; fftw_real tmp32; fftw_real tmp33; ASSERT_ALIGNED_DOUBLE; tmp7 = tmp3 - tmp6; tmp14 = tmp10 - tmp13; imag_output[imag_ostride] = -((K951056516 * tmp7) + (K587785252 * tmp14)); imag_output[3 * imag_ostride] = (K587785252 * tmp7) - (K951056516 * tmp14); tmp34 = K559016994 * (tmp30 - tmp31); tmp32 = tmp30 + tmp31; tmp33 = tmp29 - (K250000000 * tmp32); real_output[2 * real_ostride] = tmp33 - tmp34; real_output[4 * real_ostride] = tmp34 + tmp33; real_output[0] = tmp32 + tmp29; } { fftw_real tmp17; fftw_real tmp20; fftw_real tmp23; fftw_real tmp27; fftw_real tmp28; ASSERT_ALIGNED_DOUBLE; tmp17 = tmp15 - tmp16; tmp20 = tmp18 - tmp19; imag_output[2 * imag_ostride] = (K951056516 * tmp17) - (K587785252 * tmp20); imag_output[4 * imag_ostride] = (K951056516 * tmp20) + (K587785252 * tmp17); tmp23 = K559016994 * (tmp21 - tmp22); tmp27 = tmp21 + tmp22; tmp28 = tmp26 - (K250000000 * tmp27); real_output[real_ostride] = tmp23 + tmp28; real_output[3 * real_ostride] = tmp28 - tmp23; real_output[5 * real_ostride] = tmp27 + tmp26; } } fftw_codelet_desc fftw_real2hc_10_desc = { "fftw_real2hc_10", (void (*)()) fftw_real2hc_10, 10, FFTW_FORWARD, FFTW_REAL2HC, 222, 0, (const int *) 0, };