ref: 4f9a9087f16b92662389be3dc0589629359ac8a4
dir: /libfaad/fftw/fn_12.c/
/* * 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 20:43:48 EST 1999 */ #include <fftw-int.h> #include <fftw.h> /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 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: fn_12.c,v 1.1 2002/04/07 21:26:04 menno Exp $ * $Id: fn_12.c,v 1.1 2002/04/07 21:26:04 menno Exp $ * $Id: fn_12.c,v 1.1 2002/04/07 21:26:04 menno Exp $ */ void fftw_no_twiddle_12(const fftw_complex *input, fftw_complex *output, int istride, int ostride) { fftw_real tmp5; fftw_real tmp53; fftw_real tmp36; fftw_real tmp28; fftw_real tmp35; fftw_real tmp54; fftw_real tmp10; fftw_real tmp56; fftw_real tmp39; fftw_real tmp33; fftw_real tmp38; fftw_real tmp57; fftw_real tmp16; fftw_real tmp42; fftw_real tmp72; fftw_real tmp45; fftw_real tmp92; fftw_real tmp75; fftw_real tmp21; fftw_real tmp47; fftw_real tmp77; fftw_real tmp50; fftw_real tmp93; fftw_real tmp80; 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; tmp53 = tmp1 - (K500000000 * tmp4); tmp36 = K866025403 * (tmp3 - tmp2); } { fftw_real tmp24; fftw_real tmp25; fftw_real tmp26; fftw_real tmp27; ASSERT_ALIGNED_DOUBLE; tmp24 = c_im(input[0]); tmp25 = c_im(input[4 * istride]); tmp26 = c_im(input[8 * istride]); tmp27 = tmp25 + tmp26; tmp28 = tmp24 + tmp27; tmp35 = tmp24 - (K500000000 * tmp27); tmp54 = K866025403 * (tmp25 - tmp26); } { 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; tmp56 = tmp6 - (K500000000 * tmp9); tmp39 = K866025403 * (tmp8 - tmp7); } { fftw_real tmp29; fftw_real tmp30; fftw_real tmp31; fftw_real tmp32; ASSERT_ALIGNED_DOUBLE; tmp29 = c_im(input[6 * istride]); tmp30 = c_im(input[10 * istride]); tmp31 = c_im(input[2 * istride]); tmp32 = tmp30 + tmp31; tmp33 = tmp29 + tmp32; tmp38 = tmp29 - (K500000000 * tmp32); tmp57 = K866025403 * (tmp30 - tmp31); } { 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; tmp42 = tmp12 - (K500000000 * tmp15); tmp72 = K866025403 * (tmp14 - tmp13); } { fftw_real tmp73; fftw_real tmp43; fftw_real tmp44; fftw_real tmp74; ASSERT_ALIGNED_DOUBLE; tmp73 = c_im(input[3 * istride]); tmp43 = c_im(input[7 * istride]); tmp44 = c_im(input[11 * istride]); tmp74 = tmp43 + tmp44; tmp45 = K866025403 * (tmp43 - tmp44); tmp92 = tmp73 + tmp74; tmp75 = tmp73 - (K500000000 * tmp74); } { 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; tmp47 = tmp17 - (K500000000 * tmp20); tmp77 = K866025403 * (tmp19 - tmp18); } { fftw_real tmp78; fftw_real tmp48; fftw_real tmp49; fftw_real tmp79; ASSERT_ALIGNED_DOUBLE; tmp78 = c_im(input[9 * istride]); tmp48 = c_im(input[istride]); tmp49 = c_im(input[5 * istride]); tmp79 = tmp48 + tmp49; tmp50 = K866025403 * (tmp48 - tmp49); tmp93 = tmp78 + tmp79; tmp80 = tmp78 - (K500000000 * tmp79); } { fftw_real tmp11; fftw_real tmp22; fftw_real tmp23; 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 tmp91; fftw_real tmp94; fftw_real tmp95; fftw_real tmp96; ASSERT_ALIGNED_DOUBLE; tmp91 = tmp5 - tmp10; tmp94 = tmp92 - tmp93; c_re(output[3 * ostride]) = tmp91 - tmp94; c_re(output[9 * ostride]) = tmp91 + tmp94; tmp95 = tmp28 + tmp33; tmp96 = tmp92 + tmp93; c_im(output[6 * ostride]) = tmp95 - tmp96; c_im(output[0]) = tmp95 + tmp96; } tmp23 = tmp16 - tmp21; tmp34 = tmp28 - tmp33; c_im(output[3 * ostride]) = tmp23 + tmp34; c_im(output[9 * ostride]) = tmp34 - tmp23; { fftw_real tmp63; fftw_real tmp83; fftw_real tmp82; fftw_real tmp84; fftw_real tmp66; fftw_real tmp70; fftw_real tmp69; fftw_real tmp71; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp61; fftw_real tmp62; fftw_real tmp76; fftw_real tmp81; ASSERT_ALIGNED_DOUBLE; tmp61 = tmp36 + tmp35; tmp62 = tmp39 + tmp38; tmp63 = tmp61 - tmp62; tmp83 = tmp61 + tmp62; tmp76 = tmp72 + tmp75; tmp81 = tmp77 + tmp80; tmp82 = tmp76 - tmp81; tmp84 = tmp76 + tmp81; } { fftw_real tmp64; fftw_real tmp65; fftw_real tmp67; fftw_real tmp68; ASSERT_ALIGNED_DOUBLE; tmp64 = tmp42 + tmp45; tmp65 = tmp47 + tmp50; tmp66 = tmp64 - tmp65; tmp70 = tmp64 + tmp65; tmp67 = tmp53 + tmp54; tmp68 = tmp56 + tmp57; tmp69 = tmp67 + tmp68; tmp71 = tmp67 - tmp68; } c_im(output[ostride]) = tmp63 - tmp66; c_im(output[7 * ostride]) = tmp63 + tmp66; c_re(output[10 * ostride]) = tmp69 - tmp70; c_re(output[4 * ostride]) = tmp69 + tmp70; c_re(output[7 * ostride]) = tmp71 - tmp82; c_re(output[ostride]) = tmp71 + tmp82; c_im(output[10 * ostride]) = tmp83 - tmp84; c_im(output[4 * ostride]) = tmp83 + tmp84; } { fftw_real tmp41; fftw_real tmp89; fftw_real tmp88; fftw_real tmp90; fftw_real tmp52; fftw_real tmp60; fftw_real tmp59; fftw_real tmp85; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp37; fftw_real tmp40; fftw_real tmp86; fftw_real tmp87; ASSERT_ALIGNED_DOUBLE; tmp37 = tmp35 - tmp36; tmp40 = tmp38 - tmp39; tmp41 = tmp37 - tmp40; tmp89 = tmp37 + tmp40; tmp86 = tmp75 - tmp72; tmp87 = tmp80 - tmp77; tmp88 = tmp86 - tmp87; tmp90 = tmp86 + tmp87; } { fftw_real tmp46; fftw_real tmp51; fftw_real tmp55; fftw_real tmp58; ASSERT_ALIGNED_DOUBLE; tmp46 = tmp42 - tmp45; tmp51 = tmp47 - tmp50; tmp52 = tmp46 - tmp51; tmp60 = tmp46 + tmp51; tmp55 = tmp53 - tmp54; tmp58 = tmp56 - tmp57; tmp59 = tmp55 + tmp58; tmp85 = tmp55 - tmp58; } c_im(output[5 * ostride]) = tmp41 - tmp52; c_im(output[11 * ostride]) = tmp41 + tmp52; c_re(output[2 * ostride]) = tmp59 - tmp60; c_re(output[8 * ostride]) = tmp59 + tmp60; c_re(output[11 * ostride]) = tmp85 - tmp88; c_re(output[5 * ostride]) = tmp85 + tmp88; c_im(output[2 * ostride]) = tmp89 - tmp90; c_im(output[8 * ostride]) = tmp89 + tmp90; } } } fftw_codelet_desc fftw_no_twiddle_12_desc = { "fftw_no_twiddle_12", (void (*)()) fftw_no_twiddle_12, 12, FFTW_FORWARD, FFTW_NOTW, 265, 0, (const int *) 0, };