/* * 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 20:43:55 EST 1999 */ #include #include /* Generated by: ./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), * 22 stack variables, and 20 memory accesses */ static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000); static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590); /* * 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 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 tmp18; fftw_real tmp29; fftw_real tmp10; fftw_real tmp23; fftw_real tmp13; fftw_real tmp24; fftw_real tmp14; fftw_real tmp31; fftw_real tmp3; fftw_real tmp26; fftw_real tmp6; fftw_real tmp27; fftw_real tmp7; fftw_real tmp30; fftw_real tmp16; fftw_real tmp17; ASSERT_ALIGNED_DOUBLE; tmp16 = input[0]; tmp17 = input[5 * istride]; tmp18 = tmp16 - tmp17; tmp29 = tmp16 + tmp17; { 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; tmp23 = tmp8 + tmp9; tmp11 = input[6 * istride]; tmp12 = input[istride]; tmp13 = tmp11 - tmp12; tmp24 = tmp11 + tmp12; } tmp14 = tmp10 + tmp13; tmp31 = tmp23 + tmp24; { 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; tmp26 = tmp1 + tmp2; tmp4 = input[8 * istride]; tmp5 = input[3 * istride]; tmp6 = tmp4 - tmp5; tmp27 = tmp4 + tmp5; } tmp7 = tmp3 + tmp6; tmp30 = tmp26 + tmp27; { fftw_real tmp15; fftw_real tmp19; fftw_real tmp20; fftw_real tmp34; fftw_real tmp32; fftw_real tmp33; ASSERT_ALIGNED_DOUBLE; tmp15 = K559016994 * (tmp7 - tmp14); tmp19 = tmp7 + tmp14; tmp20 = tmp18 - (K250000000 * tmp19); real_output[real_ostride] = tmp15 + tmp20; real_output[3 * real_ostride] = tmp20 - tmp15; real_output[5 * real_ostride] = tmp18 + tmp19; 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] = tmp29 + tmp32; } { fftw_real tmp21; fftw_real tmp22; fftw_real tmp25; fftw_real tmp28; ASSERT_ALIGNED_DOUBLE; tmp21 = tmp3 - tmp6; tmp22 = tmp10 - tmp13; imag_output[imag_ostride] = -((K951056516 * tmp21) + (K587785252 * tmp22)); imag_output[3 * imag_ostride] = (K587785252 * tmp21) - (K951056516 * tmp22); tmp25 = tmp23 - tmp24; tmp28 = tmp26 - tmp27; imag_output[2 * imag_ostride] = (K951056516 * tmp25) - (K587785252 * tmp28); imag_output[4 * imag_ostride] = (K951056516 * tmp28) + (K587785252 * tmp25); } } fftw_codelet_desc fftw_real2hc_10_desc = { "fftw_real2hc_10", (void (*)()) fftw_real2hc_10, 10, FFTW_FORWARD, FFTW_REAL2HC, 222, 0, (const int *) 0, };