/* * 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 02:07:16 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 15 */ /* * This function contains 64 FP additions, 31 FP multiplications, * (or, 47 additions, 14 multiplications, 17 fused multiply/add), * 36 stack variables, and 30 memory accesses */ static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180); static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268); static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875); static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); /* * 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_15(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 tmp30; fftw_real tmp18; fftw_real tmp37; fftw_real tmp61; fftw_real tmp62; fftw_real tmp45; fftw_real tmp40; fftw_real tmp23; fftw_real tmp31; fftw_real tmp42; fftw_real tmp28; fftw_real tmp32; fftw_real tmp8; fftw_real tmp13; fftw_real tmp14; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp17; fftw_real tmp1; fftw_real tmp2; fftw_real tmp15; fftw_real tmp16; ASSERT_ALIGNED_DOUBLE; tmp16 = imag_input[5 * imag_istride]; tmp17 = K1_732050807 * tmp16; tmp1 = real_input[0]; tmp2 = real_input[5 * real_istride]; tmp15 = tmp1 - tmp2; tmp3 = tmp1 + (K2_000000000 * tmp2); tmp30 = tmp15 - tmp17; tmp18 = tmp15 + tmp17; } { fftw_real tmp4; fftw_real tmp39; fftw_real tmp5; fftw_real tmp6; fftw_real tmp7; fftw_real tmp22; fftw_real tmp38; fftw_real tmp9; fftw_real tmp44; fftw_real tmp10; fftw_real tmp11; fftw_real tmp12; fftw_real tmp27; fftw_real tmp43; fftw_real tmp19; fftw_real tmp24; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp20; fftw_real tmp21; fftw_real tmp25; fftw_real tmp26; ASSERT_ALIGNED_DOUBLE; tmp4 = real_input[3 * real_istride]; tmp39 = imag_input[3 * imag_istride]; tmp5 = real_input[7 * real_istride]; tmp6 = real_input[2 * real_istride]; tmp7 = tmp5 + tmp6; tmp20 = imag_input[7 * imag_istride]; tmp21 = imag_input[2 * imag_istride]; tmp22 = K866025403 * (tmp20 - tmp21); tmp38 = tmp20 + tmp21; tmp9 = real_input[6 * real_istride]; tmp44 = imag_input[6 * imag_istride]; tmp10 = real_input[4 * real_istride]; tmp11 = real_input[real_istride]; tmp12 = tmp10 + tmp11; tmp25 = imag_input[4 * imag_istride]; tmp26 = imag_input[imag_istride]; tmp27 = K866025403 * (tmp25 + tmp26); tmp43 = tmp25 - tmp26; } tmp37 = K866025403 * (tmp5 - tmp6); tmp61 = tmp39 - tmp38; tmp62 = tmp44 - tmp43; tmp45 = (K500000000 * tmp43) + tmp44; tmp40 = (K500000000 * tmp38) + tmp39; tmp19 = tmp4 - (K500000000 * tmp7); tmp23 = tmp19 - tmp22; tmp31 = tmp19 + tmp22; tmp42 = K866025403 * (tmp10 - tmp11); tmp24 = tmp9 - (K500000000 * tmp12); tmp28 = tmp24 - tmp27; tmp32 = tmp24 + tmp27; tmp8 = tmp4 + tmp7; tmp13 = tmp9 + tmp12; tmp14 = tmp8 + tmp13; } output[0] = tmp3 + (K2_000000000 * tmp14); { fftw_real tmp63; fftw_real tmp65; fftw_real tmp60; fftw_real tmp64; fftw_real tmp58; fftw_real tmp59; ASSERT_ALIGNED_DOUBLE; tmp63 = (K1_175570504 * tmp61) - (K1_902113032 * tmp62); tmp65 = (K1_902113032 * tmp61) + (K1_175570504 * tmp62); tmp58 = tmp3 - (K500000000 * tmp14); tmp59 = K1_118033988 * (tmp8 - tmp13); tmp60 = tmp58 - tmp59; tmp64 = tmp59 + tmp58; output[12 * ostride] = tmp60 - tmp63; output[3 * ostride] = tmp60 + tmp63; output[6 * ostride] = tmp64 - tmp65; output[9 * ostride] = tmp64 + tmp65; } { fftw_real tmp51; fftw_real tmp29; fftw_real tmp50; fftw_real tmp55; fftw_real tmp57; fftw_real tmp53; fftw_real tmp54; fftw_real tmp56; fftw_real tmp52; ASSERT_ALIGNED_DOUBLE; tmp51 = K1_118033988 * (tmp23 - tmp28); tmp29 = tmp23 + tmp28; tmp50 = tmp18 - (K500000000 * tmp29); tmp53 = tmp40 - tmp37; tmp54 = tmp45 - tmp42; tmp55 = (K1_175570504 * tmp53) - (K1_902113032 * tmp54); tmp57 = (K1_902113032 * tmp53) + (K1_175570504 * tmp54); output[5 * ostride] = tmp18 + (K2_000000000 * tmp29); tmp56 = tmp51 + tmp50; output[11 * ostride] = tmp56 - tmp57; output[14 * ostride] = tmp56 + tmp57; tmp52 = tmp50 - tmp51; output[2 * ostride] = tmp52 - tmp55; output[8 * ostride] = tmp52 + tmp55; } { fftw_real tmp35; fftw_real tmp33; fftw_real tmp34; fftw_real tmp47; fftw_real tmp49; fftw_real tmp41; fftw_real tmp46; fftw_real tmp48; fftw_real tmp36; ASSERT_ALIGNED_DOUBLE; tmp35 = K1_118033988 * (tmp31 - tmp32); tmp33 = tmp31 + tmp32; tmp34 = tmp30 - (K500000000 * tmp33); tmp41 = tmp37 + tmp40; tmp46 = tmp42 + tmp45; tmp47 = (K1_175570504 * tmp41) - (K1_902113032 * tmp46); tmp49 = (K1_902113032 * tmp41) + (K1_175570504 * tmp46); output[10 * ostride] = tmp30 + (K2_000000000 * tmp33); tmp48 = tmp35 + tmp34; output[ostride] = tmp48 - tmp49; output[4 * ostride] = tmp48 + tmp49; tmp36 = tmp34 - tmp35; output[7 * ostride] = tmp36 - tmp47; output[13 * ostride] = tmp36 + tmp47; } } fftw_codelet_desc fftw_hc2real_15_desc = { "fftw_hc2real_15", (void (*)()) fftw_hc2real_15, 15, FFTW_BACKWARD, FFTW_HC2REAL, 345, 0, (const int *) 0, };