/* * 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 20:44:08 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 10 */ /* * This function contains 84 FP additions, 24 FP multiplications, * (or, 72 additions, 12 multiplications, 12 fused multiply/add), * 36 stack variables, and 40 memory accesses */ static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590); static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000); static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); /* * 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 fftwi_no_twiddle_10(const fftw_complex *input, fftw_complex *output, int istride, int ostride) { fftw_real tmp3; fftw_real tmp19; fftw_real tmp55; fftw_real tmp76; fftw_real tmp47; fftw_real tmp48; fftw_real tmp10; fftw_real tmp17; fftw_real tmp18; fftw_real tmp74; fftw_real tmp73; fftw_real tmp22; fftw_real tmp25; fftw_real tmp26; fftw_real tmp36; fftw_real tmp43; fftw_real tmp50; fftw_real tmp51; fftw_real tmp56; fftw_real tmp66; fftw_real tmp69; fftw_real tmp77; fftw_real tmp78; fftw_real tmp79; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp1; fftw_real tmp2; fftw_real tmp53; fftw_real tmp54; ASSERT_ALIGNED_DOUBLE; tmp1 = c_re(input[0]); tmp2 = c_re(input[5 * istride]); tmp3 = tmp1 - tmp2; tmp19 = tmp1 + tmp2; tmp53 = c_im(input[0]); tmp54 = c_im(input[5 * istride]); tmp55 = tmp53 - tmp54; tmp76 = tmp53 + tmp54; } { fftw_real tmp6; fftw_real tmp20; fftw_real tmp16; fftw_real tmp24; fftw_real tmp9; fftw_real tmp21; fftw_real tmp13; fftw_real tmp23; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp4; fftw_real tmp5; fftw_real tmp14; fftw_real tmp15; ASSERT_ALIGNED_DOUBLE; tmp4 = c_re(input[2 * istride]); tmp5 = c_re(input[7 * istride]); tmp6 = tmp4 - tmp5; tmp20 = tmp4 + tmp5; tmp14 = c_re(input[6 * istride]); tmp15 = c_re(input[istride]); tmp16 = tmp14 - tmp15; tmp24 = tmp14 + tmp15; } { fftw_real tmp7; fftw_real tmp8; fftw_real tmp11; fftw_real tmp12; ASSERT_ALIGNED_DOUBLE; tmp7 = c_re(input[8 * istride]); tmp8 = c_re(input[3 * istride]); tmp9 = tmp7 - tmp8; tmp21 = tmp7 + tmp8; tmp11 = c_re(input[4 * istride]); tmp12 = c_re(input[9 * istride]); tmp13 = tmp11 - tmp12; tmp23 = tmp11 + tmp12; } tmp47 = tmp6 - tmp9; tmp48 = tmp13 - tmp16; tmp10 = tmp6 + tmp9; tmp17 = tmp13 + tmp16; tmp18 = tmp10 + tmp17; tmp74 = tmp23 - tmp24; tmp73 = tmp20 - tmp21; tmp22 = tmp20 + tmp21; tmp25 = tmp23 + tmp24; tmp26 = tmp22 + tmp25; } { fftw_real tmp32; fftw_real tmp64; fftw_real tmp42; fftw_real tmp68; fftw_real tmp35; fftw_real tmp65; fftw_real tmp39; fftw_real tmp67; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp30; fftw_real tmp31; fftw_real tmp40; fftw_real tmp41; ASSERT_ALIGNED_DOUBLE; tmp30 = c_im(input[2 * istride]); tmp31 = c_im(input[7 * istride]); tmp32 = tmp30 - tmp31; tmp64 = tmp30 + tmp31; tmp40 = c_im(input[6 * istride]); tmp41 = c_im(input[istride]); tmp42 = tmp40 - tmp41; tmp68 = tmp40 + tmp41; } { fftw_real tmp33; fftw_real tmp34; fftw_real tmp37; fftw_real tmp38; ASSERT_ALIGNED_DOUBLE; tmp33 = c_im(input[8 * istride]); tmp34 = c_im(input[3 * istride]); tmp35 = tmp33 - tmp34; tmp65 = tmp33 + tmp34; tmp37 = c_im(input[4 * istride]); tmp38 = c_im(input[9 * istride]); tmp39 = tmp37 - tmp38; tmp67 = tmp37 + tmp38; } tmp36 = tmp32 - tmp35; tmp43 = tmp39 - tmp42; tmp50 = tmp32 + tmp35; tmp51 = tmp39 + tmp42; tmp56 = tmp50 + tmp51; tmp66 = tmp64 - tmp65; tmp69 = tmp67 - tmp68; tmp77 = tmp64 + tmp65; tmp78 = tmp67 + tmp68; tmp79 = tmp77 + tmp78; } c_re(output[5 * ostride]) = tmp3 + tmp18; { fftw_real tmp44; fftw_real tmp46; fftw_real tmp29; fftw_real tmp45; fftw_real tmp27; fftw_real tmp28; ASSERT_ALIGNED_DOUBLE; tmp44 = (K587785252 * tmp36) - (K951056516 * tmp43); tmp46 = (K951056516 * tmp36) + (K587785252 * tmp43); tmp27 = tmp3 - (K250000000 * tmp18); tmp28 = K559016994 * (tmp10 - tmp17); tmp29 = tmp27 - tmp28; tmp45 = tmp28 + tmp27; c_re(output[7 * ostride]) = tmp29 - tmp44; c_re(output[3 * ostride]) = tmp29 + tmp44; c_re(output[ostride]) = tmp45 - tmp46; c_re(output[9 * ostride]) = tmp45 + tmp46; } c_re(output[0]) = tmp19 + tmp26; { fftw_real tmp70; fftw_real tmp72; fftw_real tmp63; fftw_real tmp71; fftw_real tmp61; fftw_real tmp62; ASSERT_ALIGNED_DOUBLE; tmp70 = (K587785252 * tmp66) - (K951056516 * tmp69); tmp72 = (K951056516 * tmp66) + (K587785252 * tmp69); tmp61 = tmp19 - (K250000000 * tmp26); tmp62 = K559016994 * (tmp22 - tmp25); tmp63 = tmp61 - tmp62; tmp71 = tmp62 + tmp61; c_re(output[2 * ostride]) = tmp63 - tmp70; c_re(output[8 * ostride]) = tmp63 + tmp70; c_re(output[6 * ostride]) = tmp71 - tmp72; c_re(output[4 * ostride]) = tmp71 + tmp72; } c_im(output[5 * ostride]) = tmp55 + tmp56; { fftw_real tmp49; fftw_real tmp60; fftw_real tmp58; fftw_real tmp59; fftw_real tmp52; fftw_real tmp57; ASSERT_ALIGNED_DOUBLE; tmp49 = (K951056516 * tmp47) + (K587785252 * tmp48); tmp60 = (K587785252 * tmp47) - (K951056516 * tmp48); tmp52 = K559016994 * (tmp50 - tmp51); tmp57 = tmp55 - (K250000000 * tmp56); tmp58 = tmp52 + tmp57; tmp59 = tmp57 - tmp52; c_im(output[ostride]) = tmp49 + tmp58; c_im(output[9 * ostride]) = tmp58 - tmp49; c_im(output[3 * ostride]) = tmp59 - tmp60; c_im(output[7 * ostride]) = tmp60 + tmp59; } c_im(output[0]) = tmp76 + tmp79; { fftw_real tmp75; fftw_real tmp84; fftw_real tmp82; fftw_real tmp83; fftw_real tmp80; fftw_real tmp81; ASSERT_ALIGNED_DOUBLE; tmp75 = (K587785252 * tmp73) - (K951056516 * tmp74); tmp84 = (K951056516 * tmp73) + (K587785252 * tmp74); tmp80 = tmp76 - (K250000000 * tmp79); tmp81 = K559016994 * (tmp77 - tmp78); tmp82 = tmp80 - tmp81; tmp83 = tmp81 + tmp80; c_im(output[2 * ostride]) = tmp75 + tmp82; c_im(output[8 * ostride]) = tmp82 - tmp75; c_im(output[4 * ostride]) = tmp83 - tmp84; c_im(output[6 * ostride]) = tmp84 + tmp83; } } fftw_codelet_desc fftwi_no_twiddle_10_desc = { "fftwi_no_twiddle_10", (void (*)()) fftwi_no_twiddle_10, 10, FFTW_BACKWARD, FFTW_NOTW, 232, 0, (const int *) 0, };