/* * 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 20:44:21 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 10 */ /* * This function contains 34 FP additions, 14 FP multiplications, * (or, 26 additions, 6 multiplications, 8 fused multiply/add), * 20 stack variables, and 20 memory accesses */ static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268); static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875); static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180); /* * 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_hc2real_10(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 tmp11; fftw_real tmp23; fftw_real tmp31; fftw_real tmp20; fftw_real tmp30; fftw_real tmp10; fftw_real tmp28; fftw_real tmp14; fftw_real tmp16; fftw_real tmp18; fftw_real tmp19; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp1; fftw_real tmp2; fftw_real tmp21; fftw_real tmp22; ASSERT_ALIGNED_DOUBLE; tmp1 = real_input[0]; tmp2 = real_input[5 * real_istride]; tmp3 = tmp1 - tmp2; tmp11 = tmp1 + tmp2; tmp21 = imag_input[4 * imag_istride]; tmp22 = imag_input[imag_istride]; tmp23 = tmp21 - tmp22; tmp31 = tmp21 + tmp22; } tmp18 = imag_input[2 * imag_istride]; tmp19 = imag_input[3 * imag_istride]; tmp20 = tmp18 - tmp19; tmp30 = tmp18 + tmp19; { fftw_real tmp6; fftw_real tmp12; fftw_real tmp9; fftw_real tmp13; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp4; fftw_real tmp5; fftw_real tmp7; fftw_real tmp8; ASSERT_ALIGNED_DOUBLE; tmp4 = real_input[2 * real_istride]; tmp5 = real_input[3 * real_istride]; tmp6 = tmp4 - tmp5; tmp12 = tmp4 + tmp5; tmp7 = real_input[4 * real_istride]; tmp8 = real_input[real_istride]; tmp9 = tmp7 - tmp8; tmp13 = tmp7 + tmp8; } tmp10 = tmp6 + tmp9; tmp28 = K1_118033988 * (tmp6 - tmp9); tmp14 = tmp12 + tmp13; tmp16 = K1_118033988 * (tmp12 - tmp13); } output[5 * ostride] = tmp3 + (K2_000000000 * tmp10); { fftw_real tmp32; fftw_real tmp34; fftw_real tmp29; fftw_real tmp33; fftw_real tmp27; ASSERT_ALIGNED_DOUBLE; tmp32 = (K1_175570504 * tmp30) - (K1_902113032 * tmp31); tmp34 = (K1_902113032 * tmp30) + (K1_175570504 * tmp31); tmp27 = tmp3 - (K500000000 * tmp10); tmp29 = tmp27 - tmp28; tmp33 = tmp28 + tmp27; output[7 * ostride] = tmp29 - tmp32; output[3 * ostride] = tmp29 + tmp32; output[ostride] = tmp33 - tmp34; output[9 * ostride] = tmp33 + tmp34; } output[0] = tmp11 + (K2_000000000 * tmp14); { fftw_real tmp24; fftw_real tmp26; fftw_real tmp17; fftw_real tmp25; fftw_real tmp15; ASSERT_ALIGNED_DOUBLE; tmp24 = (K1_175570504 * tmp20) - (K1_902113032 * tmp23); tmp26 = (K1_902113032 * tmp20) + (K1_175570504 * tmp23); tmp15 = tmp11 - (K500000000 * tmp14); tmp17 = tmp15 - tmp16; tmp25 = tmp16 + tmp15; output[2 * ostride] = tmp17 - tmp24; output[8 * ostride] = tmp17 + tmp24; output[6 * ostride] = tmp25 - tmp26; output[4 * ostride] = tmp25 + tmp26; } } fftw_codelet_desc fftw_hc2real_10_desc = { "fftw_hc2real_10", (void (*)()) fftw_hc2real_10, 10, FFTW_BACKWARD, FFTW_HC2REAL, 235, 0, (const int *) 0, };