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Diffstat (limited to 'src/fftw/fn_16.c')
| -rw-r--r-- | src/fftw/fn_16.c | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/src/fftw/fn_16.c b/src/fftw/fn_16.c new file mode 100644 index 0000000..d75b389 --- /dev/null +++ b/src/fftw/fn_16.c @@ -0,0 +1,442 @@ +/* + * 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 02:05:46 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 16 */ + +/* + * This function contains 144 FP additions, 24 FP multiplications, + * (or, 136 additions, 16 multiplications, 8 fused multiply/add), + * 46 stack variables, and 64 memory accesses + */ +static const fftw_real K923879532 = +FFTW_KONST(+0.923879532511286756128183189396788286822416626); +static const fftw_real K382683432 = +FFTW_KONST(+0.382683432365089771728459984030398866761344562); +static const fftw_real K707106781 = +FFTW_KONST(+0.707106781186547524400844362104849039284835938); + +/* + * Generator Id's : + * $Id: fn_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: fn_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: fn_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + */ + +void fftw_no_twiddle_16(const fftw_complex *input, fftw_complex *output, + int istride, int ostride) +{ + fftw_real tmp7; + fftw_real tmp115; + fftw_real tmp38; + fftw_real tmp129; + fftw_real tmp49; + fftw_real tmp95; + fftw_real tmp83; + fftw_real tmp105; + fftw_real tmp29; + fftw_real tmp123; + fftw_real tmp73; + fftw_real tmp101; + fftw_real tmp78; + fftw_real tmp102; + fftw_real tmp126; + fftw_real tmp141; + fftw_real tmp14; + fftw_real tmp130; + fftw_real tmp45; + fftw_real tmp116; + fftw_real tmp52; + fftw_real tmp85; + fftw_real tmp55; + fftw_real tmp84; + fftw_real tmp22; + fftw_real tmp118; + fftw_real tmp62; + fftw_real tmp98; + fftw_real tmp67; + fftw_real tmp99; + fftw_real tmp121; + fftw_real tmp140; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp3; + fftw_real tmp47; + fftw_real tmp34; + fftw_real tmp82; + fftw_real tmp6; + fftw_real tmp81; + fftw_real tmp37; + fftw_real tmp48; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp1; + fftw_real tmp2; + fftw_real tmp32; + fftw_real tmp33; + ASSERT_ALIGNED_DOUBLE; + tmp1 = c_re(input[0]); + tmp2 = c_re(input[8 * istride]); + tmp3 = tmp1 + tmp2; + tmp47 = tmp1 - tmp2; + tmp32 = c_im(input[0]); + tmp33 = c_im(input[8 * istride]); + tmp34 = tmp32 + tmp33; + tmp82 = tmp32 - tmp33; + } + { + fftw_real tmp4; + fftw_real tmp5; + fftw_real tmp35; + fftw_real tmp36; + ASSERT_ALIGNED_DOUBLE; + tmp4 = c_re(input[4 * istride]); + tmp5 = c_re(input[12 * istride]); + tmp6 = tmp4 + tmp5; + tmp81 = tmp4 - tmp5; + tmp35 = c_im(input[4 * istride]); + tmp36 = c_im(input[12 * istride]); + tmp37 = tmp35 + tmp36; + tmp48 = tmp35 - tmp36; + } + tmp7 = tmp3 + tmp6; + tmp115 = tmp3 - tmp6; + tmp38 = tmp34 + tmp37; + tmp129 = tmp34 - tmp37; + tmp49 = tmp47 - tmp48; + tmp95 = tmp47 + tmp48; + tmp83 = tmp81 + tmp82; + tmp105 = tmp82 - tmp81; + } + { + fftw_real tmp25; + fftw_real tmp69; + fftw_real tmp77; + fftw_real tmp124; + fftw_real tmp28; + fftw_real tmp74; + fftw_real tmp72; + fftw_real tmp125; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp23; + fftw_real tmp24; + fftw_real tmp75; + fftw_real tmp76; + ASSERT_ALIGNED_DOUBLE; + tmp23 = c_re(input[15 * istride]); + tmp24 = c_re(input[7 * istride]); + tmp25 = tmp23 + tmp24; + tmp69 = tmp23 - tmp24; + tmp75 = c_im(input[15 * istride]); + tmp76 = c_im(input[7 * istride]); + tmp77 = tmp75 - tmp76; + tmp124 = tmp75 + tmp76; + } + { + fftw_real tmp26; + fftw_real tmp27; + fftw_real tmp70; + fftw_real tmp71; + ASSERT_ALIGNED_DOUBLE; + tmp26 = c_re(input[3 * istride]); + tmp27 = c_re(input[11 * istride]); + tmp28 = tmp26 + tmp27; + tmp74 = tmp26 - tmp27; + tmp70 = c_im(input[3 * istride]); + tmp71 = c_im(input[11 * istride]); + tmp72 = tmp70 - tmp71; + tmp125 = tmp70 + tmp71; + } + tmp29 = tmp25 + tmp28; + tmp123 = tmp25 - tmp28; + tmp73 = tmp69 - tmp72; + tmp101 = tmp69 + tmp72; + tmp78 = tmp74 + tmp77; + tmp102 = tmp77 - tmp74; + tmp126 = tmp124 - tmp125; + tmp141 = tmp124 + tmp125; + } + { + fftw_real tmp10; + fftw_real tmp51; + fftw_real tmp41; + fftw_real tmp50; + fftw_real tmp13; + fftw_real tmp53; + fftw_real tmp44; + fftw_real tmp54; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp8; + fftw_real tmp9; + fftw_real tmp39; + fftw_real tmp40; + ASSERT_ALIGNED_DOUBLE; + tmp8 = c_re(input[2 * istride]); + tmp9 = c_re(input[10 * istride]); + tmp10 = tmp8 + tmp9; + tmp51 = tmp8 - tmp9; + tmp39 = c_im(input[2 * istride]); + tmp40 = c_im(input[10 * istride]); + tmp41 = tmp39 + tmp40; + tmp50 = tmp39 - tmp40; + } + { + fftw_real tmp11; + fftw_real tmp12; + fftw_real tmp42; + fftw_real tmp43; + ASSERT_ALIGNED_DOUBLE; + tmp11 = c_re(input[14 * istride]); + tmp12 = c_re(input[6 * istride]); + tmp13 = tmp11 + tmp12; + tmp53 = tmp11 - tmp12; + tmp42 = c_im(input[14 * istride]); + tmp43 = c_im(input[6 * istride]); + tmp44 = tmp42 + tmp43; + tmp54 = tmp42 - tmp43; + } + tmp14 = tmp10 + tmp13; + tmp130 = tmp13 - tmp10; + tmp45 = tmp41 + tmp44; + tmp116 = tmp41 - tmp44; + tmp52 = tmp50 - tmp51; + tmp85 = tmp51 + tmp50; + tmp55 = tmp53 + tmp54; + tmp84 = tmp53 - tmp54; + } + { + fftw_real tmp18; + fftw_real tmp63; + fftw_real tmp61; + fftw_real tmp119; + fftw_real tmp21; + fftw_real tmp58; + fftw_real tmp66; + fftw_real tmp120; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp16; + fftw_real tmp17; + fftw_real tmp59; + fftw_real tmp60; + ASSERT_ALIGNED_DOUBLE; + tmp16 = c_re(input[istride]); + tmp17 = c_re(input[9 * istride]); + tmp18 = tmp16 + tmp17; + tmp63 = tmp16 - tmp17; + tmp59 = c_im(input[istride]); + tmp60 = c_im(input[9 * istride]); + tmp61 = tmp59 - tmp60; + tmp119 = tmp59 + tmp60; + } + { + fftw_real tmp19; + fftw_real tmp20; + fftw_real tmp64; + fftw_real tmp65; + ASSERT_ALIGNED_DOUBLE; + tmp19 = c_re(input[5 * istride]); + tmp20 = c_re(input[13 * istride]); + tmp21 = tmp19 + tmp20; + tmp58 = tmp19 - tmp20; + tmp64 = c_im(input[5 * istride]); + tmp65 = c_im(input[13 * istride]); + tmp66 = tmp64 - tmp65; + tmp120 = tmp64 + tmp65; + } + tmp22 = tmp18 + tmp21; + tmp118 = tmp18 - tmp21; + tmp62 = tmp58 + tmp61; + tmp98 = tmp61 - tmp58; + tmp67 = tmp63 - tmp66; + tmp99 = tmp63 + tmp66; + tmp121 = tmp119 - tmp120; + tmp140 = tmp119 + tmp120; + } + { + fftw_real tmp15; + fftw_real tmp30; + fftw_real tmp31; + fftw_real tmp46; + ASSERT_ALIGNED_DOUBLE; + tmp15 = tmp7 + tmp14; + tmp30 = tmp22 + tmp29; + c_re(output[8 * ostride]) = tmp15 - tmp30; + c_re(output[0]) = tmp15 + tmp30; + tmp31 = tmp29 - tmp22; + tmp46 = tmp38 - tmp45; + c_im(output[4 * ostride]) = tmp31 + tmp46; + c_im(output[12 * ostride]) = tmp46 - tmp31; + } + { + fftw_real tmp143; + fftw_real tmp144; + fftw_real tmp139; + fftw_real tmp142; + ASSERT_ALIGNED_DOUBLE; + tmp143 = tmp38 + tmp45; + tmp144 = tmp140 + tmp141; + c_im(output[8 * ostride]) = tmp143 - tmp144; + c_im(output[0]) = tmp143 + tmp144; + tmp139 = tmp7 - tmp14; + tmp142 = tmp140 - tmp141; + c_re(output[12 * ostride]) = tmp139 - tmp142; + c_re(output[4 * ostride]) = tmp139 + tmp142; + } + { + fftw_real tmp117; + fftw_real tmp131; + fftw_real tmp128; + fftw_real tmp132; + fftw_real tmp122; + fftw_real tmp127; + ASSERT_ALIGNED_DOUBLE; + tmp117 = tmp115 + tmp116; + tmp131 = tmp129 - tmp130; + tmp122 = tmp118 + tmp121; + tmp127 = tmp123 - tmp126; + tmp128 = K707106781 * (tmp122 + tmp127); + tmp132 = K707106781 * (tmp127 - tmp122); + c_re(output[10 * ostride]) = tmp117 - tmp128; + c_re(output[2 * ostride]) = tmp117 + tmp128; + c_im(output[14 * ostride]) = tmp131 - tmp132; + c_im(output[6 * ostride]) = tmp131 + tmp132; + } + { + fftw_real tmp133; + fftw_real tmp137; + fftw_real tmp136; + fftw_real tmp138; + fftw_real tmp134; + fftw_real tmp135; + ASSERT_ALIGNED_DOUBLE; + tmp133 = tmp115 - tmp116; + tmp137 = tmp130 + tmp129; + tmp134 = tmp121 - tmp118; + tmp135 = tmp123 + tmp126; + tmp136 = K707106781 * (tmp134 - tmp135); + tmp138 = K707106781 * (tmp134 + tmp135); + c_re(output[14 * ostride]) = tmp133 - tmp136; + c_re(output[6 * ostride]) = tmp133 + tmp136; + c_im(output[10 * ostride]) = tmp137 - tmp138; + c_im(output[2 * ostride]) = tmp137 + tmp138; + } + { + fftw_real tmp57; + fftw_real tmp89; + fftw_real tmp92; + fftw_real tmp94; + fftw_real tmp87; + fftw_real tmp93; + fftw_real tmp80; + fftw_real tmp88; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp56; + fftw_real tmp90; + fftw_real tmp91; + fftw_real tmp86; + fftw_real tmp68; + fftw_real tmp79; + ASSERT_ALIGNED_DOUBLE; + tmp56 = K707106781 * (tmp52 - tmp55); + tmp57 = tmp49 + tmp56; + tmp89 = tmp49 - tmp56; + tmp90 = (K382683432 * tmp62) - (K923879532 * tmp67); + tmp91 = (K382683432 * tmp78) + (K923879532 * tmp73); + tmp92 = tmp90 - tmp91; + tmp94 = tmp90 + tmp91; + tmp86 = K707106781 * (tmp84 - tmp85); + tmp87 = tmp83 - tmp86; + tmp93 = tmp83 + tmp86; + tmp68 = (K923879532 * tmp62) + (K382683432 * tmp67); + tmp79 = (K382683432 * tmp73) - (K923879532 * tmp78); + tmp80 = tmp68 + tmp79; + tmp88 = tmp79 - tmp68; + } + c_re(output[11 * ostride]) = tmp57 - tmp80; + c_re(output[3 * ostride]) = tmp57 + tmp80; + c_im(output[15 * ostride]) = tmp87 - tmp88; + c_im(output[7 * ostride]) = tmp87 + tmp88; + c_re(output[15 * ostride]) = tmp89 - tmp92; + c_re(output[7 * ostride]) = tmp89 + tmp92; + c_im(output[11 * ostride]) = tmp93 - tmp94; + c_im(output[3 * ostride]) = tmp93 + tmp94; + } + { + fftw_real tmp97; + fftw_real tmp109; + fftw_real tmp112; + fftw_real tmp114; + fftw_real tmp107; + fftw_real tmp113; + fftw_real tmp104; + fftw_real tmp108; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp96; + fftw_real tmp110; + fftw_real tmp111; + fftw_real tmp106; + fftw_real tmp100; + fftw_real tmp103; + ASSERT_ALIGNED_DOUBLE; + tmp96 = K707106781 * (tmp85 + tmp84); + tmp97 = tmp95 + tmp96; + tmp109 = tmp95 - tmp96; + tmp110 = (K923879532 * tmp98) - (K382683432 * tmp99); + tmp111 = (K923879532 * tmp102) + (K382683432 * tmp101); + tmp112 = tmp110 - tmp111; + tmp114 = tmp110 + tmp111; + tmp106 = K707106781 * (tmp52 + tmp55); + tmp107 = tmp105 - tmp106; + tmp113 = tmp105 + tmp106; + tmp100 = (K382683432 * tmp98) + (K923879532 * tmp99); + tmp103 = (K923879532 * tmp101) - (K382683432 * tmp102); + tmp104 = tmp100 + tmp103; + tmp108 = tmp103 - tmp100; + } + c_re(output[9 * ostride]) = tmp97 - tmp104; + c_re(output[ostride]) = tmp97 + tmp104; + c_im(output[13 * ostride]) = tmp107 - tmp108; + c_im(output[5 * ostride]) = tmp107 + tmp108; + c_re(output[13 * ostride]) = tmp109 - tmp112; + c_re(output[5 * ostride]) = tmp109 + tmp112; + c_im(output[9 * ostride]) = tmp113 - tmp114; + c_im(output[ostride]) = tmp113 + tmp114; + } +} + +fftw_codelet_desc fftw_no_twiddle_16_desc = { + "fftw_no_twiddle_16", + (void (*)()) fftw_no_twiddle_16, + 16, + FFTW_FORWARD, + FFTW_NOTW, + 353, + 0, + (const int *) 0, +}; |