diff options
Diffstat (limited to 'src/fftw/fn_12.c')
| -rw-r--r-- | src/fftw/fn_12.c | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/src/fftw/fn_12.c b/src/fftw/fn_12.c new file mode 100644 index 0000000..1a149ba --- /dev/null +++ b/src/fftw/fn_12.c @@ -0,0 +1,324 @@ +/* + * 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 02:05:40 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 -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 2008/10/17 06:13:18 scuri Exp $ + * $Id: fn_12.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: fn_12.c,v 1.1 2008/10/17 06:13:18 scuri 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, +}; |