/* * 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 20:44:09 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 12 */ /* * This function contains 96 FP additions, 16 FP multiplications, * (or, 88 additions, 8 multiplications, 8 fused multiply/add), * 40 stack variables, and 48 memory accesses */ static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); /* * 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_12(const fftw_complex *input, fftw_complex *output, int istride, int ostride) { fftw_real tmp5; fftw_real tmp35; fftw_real tmp57; fftw_real tmp27; fftw_real tmp58; fftw_real tmp36; fftw_real tmp10; fftw_real tmp38; fftw_real tmp60; fftw_real tmp32; fftw_real tmp61; fftw_real tmp39; fftw_real tmp16; fftw_real tmp82; fftw_real tmp42; fftw_real tmp47; fftw_real tmp76; fftw_real tmp83; fftw_real tmp21; fftw_real tmp85; fftw_real tmp49; fftw_real tmp54; fftw_real tmp77; fftw_real tmp86; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp1; fftw_real tmp2; fftw_real tmp3; fftw_real tmp4; ASSERT_ALIGNED_DOUBLE; tmp1 = c_re(input[0]); tmp2 = c_re(input[4 * istride]); tmp3 = c_re(input[8 * istride]); tmp4 = tmp2 + tmp3; tmp5 = tmp1 + tmp4; tmp35 = tmp1 - (K500000000 * tmp4); tmp57 = K866025403 * (tmp2 - tmp3); } { fftw_real tmp23; fftw_real tmp24; fftw_real tmp25; fftw_real tmp26; ASSERT_ALIGNED_DOUBLE; tmp23 = c_im(input[0]); tmp24 = c_im(input[4 * istride]); tmp25 = c_im(input[8 * istride]); tmp26 = tmp24 + tmp25; tmp27 = tmp23 + tmp26; tmp58 = tmp23 - (K500000000 * tmp26); tmp36 = K866025403 * (tmp25 - tmp24); } { fftw_real tmp6; fftw_real tmp7; fftw_real tmp8; fftw_real tmp9; ASSERT_ALIGNED_DOUBLE; tmp6 = c_re(input[6 * istride]); tmp7 = c_re(input[10 * istride]); tmp8 = c_re(input[2 * istride]); tmp9 = tmp7 + tmp8; tmp10 = tmp6 + tmp9; tmp38 = tmp6 - (K500000000 * tmp9); tmp60 = K866025403 * (tmp7 - tmp8); } { fftw_real tmp28; fftw_real tmp29; fftw_real tmp30; fftw_real tmp31; ASSERT_ALIGNED_DOUBLE; tmp28 = c_im(input[6 * istride]); tmp29 = c_im(input[10 * istride]); tmp30 = c_im(input[2 * istride]); tmp31 = tmp29 + tmp30; tmp32 = tmp28 + tmp31; tmp61 = tmp28 - (K500000000 * tmp31); tmp39 = K866025403 * (tmp30 - tmp29); } { fftw_real tmp12; fftw_real tmp13; fftw_real tmp14; fftw_real tmp15; ASSERT_ALIGNED_DOUBLE; tmp12 = c_re(input[3 * istride]); tmp13 = c_re(input[7 * istride]); tmp14 = c_re(input[11 * istride]); tmp15 = tmp13 + tmp14; tmp16 = tmp12 + tmp15; tmp82 = tmp12 - (K500000000 * tmp15); tmp42 = K866025403 * (tmp13 - tmp14); } { fftw_real tmp43; fftw_real tmp44; fftw_real tmp45; fftw_real tmp46; ASSERT_ALIGNED_DOUBLE; tmp43 = c_im(input[3 * istride]); tmp44 = c_im(input[7 * istride]); tmp45 = c_im(input[11 * istride]); tmp46 = tmp44 + tmp45; tmp47 = tmp43 - (K500000000 * tmp46); tmp76 = tmp43 + tmp46; tmp83 = K866025403 * (tmp45 - tmp44); } { fftw_real tmp17; fftw_real tmp18; fftw_real tmp19; fftw_real tmp20; ASSERT_ALIGNED_DOUBLE; tmp17 = c_re(input[9 * istride]); tmp18 = c_re(input[istride]); tmp19 = c_re(input[5 * istride]); tmp20 = tmp18 + tmp19; tmp21 = tmp17 + tmp20; tmp85 = tmp17 - (K500000000 * tmp20); tmp49 = K866025403 * (tmp18 - tmp19); } { fftw_real tmp50; fftw_real tmp51; fftw_real tmp52; fftw_real tmp53; ASSERT_ALIGNED_DOUBLE; tmp50 = c_im(input[9 * istride]); tmp51 = c_im(input[istride]); tmp52 = c_im(input[5 * istride]); tmp53 = tmp51 + tmp52; tmp54 = tmp50 - (K500000000 * tmp53); tmp77 = tmp50 + tmp53; tmp86 = K866025403 * (tmp52 - tmp51); } { fftw_real tmp11; fftw_real tmp22; fftw_real tmp33; fftw_real tmp34; ASSERT_ALIGNED_DOUBLE; tmp11 = tmp5 + tmp10; tmp22 = tmp16 + tmp21; c_re(output[6 * ostride]) = tmp11 - tmp22; c_re(output[0]) = tmp11 + tmp22; { fftw_real tmp75; fftw_real tmp78; fftw_real tmp79; fftw_real tmp80; ASSERT_ALIGNED_DOUBLE; tmp75 = tmp5 - tmp10; tmp78 = tmp76 - tmp77; c_re(output[9 * ostride]) = tmp75 - tmp78; c_re(output[3 * ostride]) = tmp75 + tmp78; tmp79 = tmp27 + tmp32; tmp80 = tmp76 + tmp77; c_im(output[6 * ostride]) = tmp79 - tmp80; c_im(output[0]) = tmp79 + tmp80; } tmp33 = tmp27 - tmp32; tmp34 = tmp16 - tmp21; c_im(output[3 * ostride]) = tmp33 - tmp34; c_im(output[9 * ostride]) = tmp34 + tmp33; { fftw_real tmp67; fftw_real tmp89; fftw_real tmp88; fftw_real tmp90; fftw_real tmp70; fftw_real tmp74; fftw_real tmp73; fftw_real tmp81; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp65; fftw_real tmp66; fftw_real tmp84; fftw_real tmp87; ASSERT_ALIGNED_DOUBLE; tmp65 = tmp35 - tmp36; tmp66 = tmp38 - tmp39; tmp67 = tmp65 - tmp66; tmp89 = tmp65 + tmp66; tmp84 = tmp82 - tmp83; tmp87 = tmp85 - tmp86; tmp88 = tmp84 - tmp87; tmp90 = tmp84 + tmp87; } { fftw_real tmp68; fftw_real tmp69; fftw_real tmp71; fftw_real tmp72; ASSERT_ALIGNED_DOUBLE; tmp68 = tmp47 - tmp42; tmp69 = tmp54 - tmp49; tmp70 = tmp68 - tmp69; tmp74 = tmp68 + tmp69; tmp71 = tmp58 - tmp57; tmp72 = tmp61 - tmp60; tmp73 = tmp71 + tmp72; tmp81 = tmp71 - tmp72; } c_re(output[5 * ostride]) = tmp67 - tmp70; c_re(output[11 * ostride]) = tmp67 + tmp70; c_im(output[2 * ostride]) = tmp73 - tmp74; c_im(output[8 * ostride]) = tmp73 + tmp74; c_im(output[11 * ostride]) = tmp81 - tmp88; c_im(output[5 * ostride]) = tmp81 + tmp88; c_re(output[2 * ostride]) = tmp89 - tmp90; c_re(output[8 * ostride]) = tmp89 + tmp90; } { fftw_real tmp41; fftw_real tmp95; fftw_real tmp94; fftw_real tmp96; fftw_real tmp56; fftw_real tmp64; fftw_real tmp63; fftw_real tmp91; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp37; fftw_real tmp40; fftw_real tmp92; fftw_real tmp93; ASSERT_ALIGNED_DOUBLE; tmp37 = tmp35 + tmp36; tmp40 = tmp38 + tmp39; tmp41 = tmp37 - tmp40; tmp95 = tmp37 + tmp40; tmp92 = tmp82 + tmp83; tmp93 = tmp85 + tmp86; tmp94 = tmp92 - tmp93; tmp96 = tmp92 + tmp93; } { fftw_real tmp48; fftw_real tmp55; fftw_real tmp59; fftw_real tmp62; ASSERT_ALIGNED_DOUBLE; tmp48 = tmp42 + tmp47; tmp55 = tmp49 + tmp54; tmp56 = tmp48 - tmp55; tmp64 = tmp48 + tmp55; tmp59 = tmp57 + tmp58; tmp62 = tmp60 + tmp61; tmp63 = tmp59 + tmp62; tmp91 = tmp59 - tmp62; } c_re(output[ostride]) = tmp41 - tmp56; c_re(output[7 * ostride]) = tmp41 + tmp56; c_im(output[10 * ostride]) = tmp63 - tmp64; c_im(output[4 * ostride]) = tmp63 + tmp64; c_im(output[7 * ostride]) = tmp91 - tmp94; c_im(output[ostride]) = tmp91 + tmp94; c_re(output[10 * ostride]) = tmp95 - tmp96; c_re(output[4 * ostride]) = tmp95 + tmp96; } } } fftw_codelet_desc fftwi_no_twiddle_12_desc = { "fftwi_no_twiddle_12", (void (*)()) fftwi_no_twiddle_12, 12, FFTW_BACKWARD, FFTW_NOTW, 276, 0, (const int *) 0, };