diff options
Diffstat (limited to 'src/fftw/ftw_16.c')
| -rw-r--r-- | src/fftw/ftw_16.c | 614 |
1 files changed, 614 insertions, 0 deletions
diff --git a/src/fftw/ftw_16.c b/src/fftw/ftw_16.c new file mode 100644 index 0000000..1df4281 --- /dev/null +++ b/src/fftw/ftw_16.c @@ -0,0 +1,614 @@ +/* + * 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 02:07:43 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 -twiddle 16 */ + +/* + * This function contains 174 FP additions, 84 FP multiplications, + * (or, 136 additions, 46 multiplications, 38 fused multiply/add), + * 50 stack variables, and 64 memory accesses + */ +static const fftw_real K382683432 = +FFTW_KONST(+0.382683432365089771728459984030398866761344562); +static const fftw_real K923879532 = +FFTW_KONST(+0.923879532511286756128183189396788286822416626); +static const fftw_real K707106781 = +FFTW_KONST(+0.707106781186547524400844362104849039284835938); + +/* + * Generator Id's : + * $Id: ftw_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: ftw_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: ftw_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + */ + +void fftw_twiddle_16(fftw_complex *A, const fftw_complex *W, int iostride, + int m, int dist) +{ + int i; + fftw_complex *inout; + inout = A; + for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 15) { + fftw_real tmp7; + fftw_real tmp91; + fftw_real tmp180; + fftw_real tmp193; + fftw_real tmp18; + fftw_real tmp194; + fftw_real tmp94; + fftw_real tmp177; + fftw_real tmp77; + fftw_real tmp88; + fftw_real tmp161; + fftw_real tmp128; + fftw_real tmp144; + fftw_real tmp162; + fftw_real tmp163; + fftw_real tmp164; + fftw_real tmp123; + fftw_real tmp143; + fftw_real tmp30; + fftw_real tmp152; + fftw_real tmp100; + fftw_real tmp136; + fftw_real tmp41; + fftw_real tmp153; + fftw_real tmp105; + fftw_real tmp137; + fftw_real tmp54; + fftw_real tmp65; + fftw_real tmp156; + fftw_real tmp117; + fftw_real tmp141; + fftw_real tmp157; + fftw_real tmp158; + fftw_real tmp159; + fftw_real tmp112; + fftw_real tmp140; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp1; + fftw_real tmp179; + fftw_real tmp6; + fftw_real tmp178; + ASSERT_ALIGNED_DOUBLE; + tmp1 = c_re(inout[0]); + tmp179 = c_im(inout[0]); + { + fftw_real tmp3; + fftw_real tmp5; + fftw_real tmp2; + fftw_real tmp4; + ASSERT_ALIGNED_DOUBLE; + tmp3 = c_re(inout[8 * iostride]); + tmp5 = c_im(inout[8 * iostride]); + tmp2 = c_re(W[7]); + tmp4 = c_im(W[7]); + tmp6 = (tmp2 * tmp3) - (tmp4 * tmp5); + tmp178 = (tmp4 * tmp3) + (tmp2 * tmp5); + } + tmp7 = tmp1 + tmp6; + tmp91 = tmp1 - tmp6; + tmp180 = tmp178 + tmp179; + tmp193 = tmp179 - tmp178; + } + { + fftw_real tmp12; + fftw_real tmp92; + fftw_real tmp17; + fftw_real tmp93; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp9; + fftw_real tmp11; + fftw_real tmp8; + fftw_real tmp10; + ASSERT_ALIGNED_DOUBLE; + tmp9 = c_re(inout[4 * iostride]); + tmp11 = c_im(inout[4 * iostride]); + tmp8 = c_re(W[3]); + tmp10 = c_im(W[3]); + tmp12 = (tmp8 * tmp9) - (tmp10 * tmp11); + tmp92 = (tmp10 * tmp9) + (tmp8 * tmp11); + } + { + fftw_real tmp14; + fftw_real tmp16; + fftw_real tmp13; + fftw_real tmp15; + ASSERT_ALIGNED_DOUBLE; + tmp14 = c_re(inout[12 * iostride]); + tmp16 = c_im(inout[12 * iostride]); + tmp13 = c_re(W[11]); + tmp15 = c_im(W[11]); + tmp17 = (tmp13 * tmp14) - (tmp15 * tmp16); + tmp93 = (tmp15 * tmp14) + (tmp13 * tmp16); + } + tmp18 = tmp12 + tmp17; + tmp194 = tmp12 - tmp17; + tmp94 = tmp92 - tmp93; + tmp177 = tmp92 + tmp93; + } + { + fftw_real tmp71; + fftw_real tmp124; + fftw_real tmp87; + fftw_real tmp121; + fftw_real tmp76; + fftw_real tmp125; + fftw_real tmp82; + fftw_real tmp120; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp68; + fftw_real tmp70; + fftw_real tmp67; + fftw_real tmp69; + ASSERT_ALIGNED_DOUBLE; + tmp68 = c_re(inout[15 * iostride]); + tmp70 = c_im(inout[15 * iostride]); + tmp67 = c_re(W[14]); + tmp69 = c_im(W[14]); + tmp71 = (tmp67 * tmp68) - (tmp69 * tmp70); + tmp124 = (tmp69 * tmp68) + (tmp67 * tmp70); + } + { + fftw_real tmp84; + fftw_real tmp86; + fftw_real tmp83; + fftw_real tmp85; + ASSERT_ALIGNED_DOUBLE; + tmp84 = c_re(inout[11 * iostride]); + tmp86 = c_im(inout[11 * iostride]); + tmp83 = c_re(W[10]); + tmp85 = c_im(W[10]); + tmp87 = (tmp83 * tmp84) - (tmp85 * tmp86); + tmp121 = (tmp85 * tmp84) + (tmp83 * tmp86); + } + { + fftw_real tmp73; + fftw_real tmp75; + fftw_real tmp72; + fftw_real tmp74; + ASSERT_ALIGNED_DOUBLE; + tmp73 = c_re(inout[7 * iostride]); + tmp75 = c_im(inout[7 * iostride]); + tmp72 = c_re(W[6]); + tmp74 = c_im(W[6]); + tmp76 = (tmp72 * tmp73) - (tmp74 * tmp75); + tmp125 = (tmp74 * tmp73) + (tmp72 * tmp75); + } + { + fftw_real tmp79; + fftw_real tmp81; + fftw_real tmp78; + fftw_real tmp80; + ASSERT_ALIGNED_DOUBLE; + tmp79 = c_re(inout[3 * iostride]); + tmp81 = c_im(inout[3 * iostride]); + tmp78 = c_re(W[2]); + tmp80 = c_im(W[2]); + tmp82 = (tmp78 * tmp79) - (tmp80 * tmp81); + tmp120 = (tmp80 * tmp79) + (tmp78 * tmp81); + } + { + fftw_real tmp126; + fftw_real tmp127; + fftw_real tmp119; + fftw_real tmp122; + ASSERT_ALIGNED_DOUBLE; + tmp77 = tmp71 + tmp76; + tmp88 = tmp82 + tmp87; + tmp161 = tmp77 - tmp88; + tmp126 = tmp124 - tmp125; + tmp127 = tmp82 - tmp87; + tmp128 = tmp126 + tmp127; + tmp144 = tmp126 - tmp127; + tmp162 = tmp124 + tmp125; + tmp163 = tmp120 + tmp121; + tmp164 = tmp162 - tmp163; + tmp119 = tmp71 - tmp76; + tmp122 = tmp120 - tmp121; + tmp123 = tmp119 - tmp122; + tmp143 = tmp119 + tmp122; + } + } + { + fftw_real tmp24; + fftw_real tmp96; + fftw_real tmp29; + fftw_real tmp97; + fftw_real tmp98; + fftw_real tmp99; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp21; + fftw_real tmp23; + fftw_real tmp20; + fftw_real tmp22; + ASSERT_ALIGNED_DOUBLE; + tmp21 = c_re(inout[2 * iostride]); + tmp23 = c_im(inout[2 * iostride]); + tmp20 = c_re(W[1]); + tmp22 = c_im(W[1]); + tmp24 = (tmp20 * tmp21) - (tmp22 * tmp23); + tmp96 = (tmp22 * tmp21) + (tmp20 * tmp23); + } + { + fftw_real tmp26; + fftw_real tmp28; + fftw_real tmp25; + fftw_real tmp27; + ASSERT_ALIGNED_DOUBLE; + tmp26 = c_re(inout[10 * iostride]); + tmp28 = c_im(inout[10 * iostride]); + tmp25 = c_re(W[9]); + tmp27 = c_im(W[9]); + tmp29 = (tmp25 * tmp26) - (tmp27 * tmp28); + tmp97 = (tmp27 * tmp26) + (tmp25 * tmp28); + } + tmp30 = tmp24 + tmp29; + tmp152 = tmp96 + tmp97; + tmp98 = tmp96 - tmp97; + tmp99 = tmp24 - tmp29; + tmp100 = tmp98 - tmp99; + tmp136 = tmp99 + tmp98; + } + { + fftw_real tmp35; + fftw_real tmp102; + fftw_real tmp40; + fftw_real tmp103; + fftw_real tmp101; + fftw_real tmp104; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp32; + fftw_real tmp34; + fftw_real tmp31; + fftw_real tmp33; + ASSERT_ALIGNED_DOUBLE; + tmp32 = c_re(inout[14 * iostride]); + tmp34 = c_im(inout[14 * iostride]); + tmp31 = c_re(W[13]); + tmp33 = c_im(W[13]); + tmp35 = (tmp31 * tmp32) - (tmp33 * tmp34); + tmp102 = (tmp33 * tmp32) + (tmp31 * tmp34); + } + { + fftw_real tmp37; + fftw_real tmp39; + fftw_real tmp36; + fftw_real tmp38; + ASSERT_ALIGNED_DOUBLE; + tmp37 = c_re(inout[6 * iostride]); + tmp39 = c_im(inout[6 * iostride]); + tmp36 = c_re(W[5]); + tmp38 = c_im(W[5]); + tmp40 = (tmp36 * tmp37) - (tmp38 * tmp39); + tmp103 = (tmp38 * tmp37) + (tmp36 * tmp39); + } + tmp41 = tmp35 + tmp40; + tmp153 = tmp102 + tmp103; + tmp101 = tmp35 - tmp40; + tmp104 = tmp102 - tmp103; + tmp105 = tmp101 + tmp104; + tmp137 = tmp101 - tmp104; + } + { + fftw_real tmp48; + fftw_real tmp108; + fftw_real tmp64; + fftw_real tmp115; + fftw_real tmp53; + fftw_real tmp109; + fftw_real tmp59; + fftw_real tmp114; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp45; + fftw_real tmp47; + fftw_real tmp44; + fftw_real tmp46; + ASSERT_ALIGNED_DOUBLE; + tmp45 = c_re(inout[iostride]); + tmp47 = c_im(inout[iostride]); + tmp44 = c_re(W[0]); + tmp46 = c_im(W[0]); + tmp48 = (tmp44 * tmp45) - (tmp46 * tmp47); + tmp108 = (tmp46 * tmp45) + (tmp44 * tmp47); + } + { + fftw_real tmp61; + fftw_real tmp63; + fftw_real tmp60; + fftw_real tmp62; + ASSERT_ALIGNED_DOUBLE; + tmp61 = c_re(inout[13 * iostride]); + tmp63 = c_im(inout[13 * iostride]); + tmp60 = c_re(W[12]); + tmp62 = c_im(W[12]); + tmp64 = (tmp60 * tmp61) - (tmp62 * tmp63); + tmp115 = (tmp62 * tmp61) + (tmp60 * tmp63); + } + { + fftw_real tmp50; + fftw_real tmp52; + fftw_real tmp49; + fftw_real tmp51; + ASSERT_ALIGNED_DOUBLE; + tmp50 = c_re(inout[9 * iostride]); + tmp52 = c_im(inout[9 * iostride]); + tmp49 = c_re(W[8]); + tmp51 = c_im(W[8]); + tmp53 = (tmp49 * tmp50) - (tmp51 * tmp52); + tmp109 = (tmp51 * tmp50) + (tmp49 * tmp52); + } + { + fftw_real tmp56; + fftw_real tmp58; + fftw_real tmp55; + fftw_real tmp57; + ASSERT_ALIGNED_DOUBLE; + tmp56 = c_re(inout[5 * iostride]); + tmp58 = c_im(inout[5 * iostride]); + tmp55 = c_re(W[4]); + tmp57 = c_im(W[4]); + tmp59 = (tmp55 * tmp56) - (tmp57 * tmp58); + tmp114 = (tmp57 * tmp56) + (tmp55 * tmp58); + } + { + fftw_real tmp113; + fftw_real tmp116; + fftw_real tmp110; + fftw_real tmp111; + ASSERT_ALIGNED_DOUBLE; + tmp54 = tmp48 + tmp53; + tmp65 = tmp59 + tmp64; + tmp156 = tmp54 - tmp65; + tmp113 = tmp48 - tmp53; + tmp116 = tmp114 - tmp115; + tmp117 = tmp113 - tmp116; + tmp141 = tmp113 + tmp116; + tmp157 = tmp108 + tmp109; + tmp158 = tmp114 + tmp115; + tmp159 = tmp157 - tmp158; + tmp110 = tmp108 - tmp109; + tmp111 = tmp59 - tmp64; + tmp112 = tmp110 + tmp111; + tmp140 = tmp110 - tmp111; + } + } + { + fftw_real tmp107; + fftw_real tmp131; + fftw_real tmp202; + fftw_real tmp204; + fftw_real tmp130; + fftw_real tmp203; + fftw_real tmp134; + fftw_real tmp199; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp95; + fftw_real tmp106; + fftw_real tmp200; + fftw_real tmp201; + ASSERT_ALIGNED_DOUBLE; + tmp95 = tmp91 - tmp94; + tmp106 = K707106781 * (tmp100 - tmp105); + tmp107 = tmp95 + tmp106; + tmp131 = tmp95 - tmp106; + tmp200 = K707106781 * (tmp137 - tmp136); + tmp201 = tmp194 + tmp193; + tmp202 = tmp200 + tmp201; + tmp204 = tmp201 - tmp200; + } + { + fftw_real tmp118; + fftw_real tmp129; + fftw_real tmp132; + fftw_real tmp133; + ASSERT_ALIGNED_DOUBLE; + tmp118 = (K923879532 * tmp112) + (K382683432 * tmp117); + tmp129 = (K382683432 * tmp123) - (K923879532 * tmp128); + tmp130 = tmp118 + tmp129; + tmp203 = tmp129 - tmp118; + tmp132 = (K382683432 * tmp112) - (K923879532 * tmp117); + tmp133 = (K382683432 * tmp128) + (K923879532 * tmp123); + tmp134 = tmp132 - tmp133; + tmp199 = tmp132 + tmp133; + } + c_re(inout[11 * iostride]) = tmp107 - tmp130; + c_re(inout[3 * iostride]) = tmp107 + tmp130; + c_re(inout[15 * iostride]) = tmp131 - tmp134; + c_re(inout[7 * iostride]) = tmp131 + tmp134; + c_im(inout[3 * iostride]) = tmp199 + tmp202; + c_im(inout[11 * iostride]) = tmp202 - tmp199; + c_im(inout[7 * iostride]) = tmp203 + tmp204; + c_im(inout[15 * iostride]) = tmp204 - tmp203; + } + { + fftw_real tmp139; + fftw_real tmp147; + fftw_real tmp196; + fftw_real tmp198; + fftw_real tmp146; + fftw_real tmp197; + fftw_real tmp150; + fftw_real tmp191; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp135; + fftw_real tmp138; + fftw_real tmp192; + fftw_real tmp195; + ASSERT_ALIGNED_DOUBLE; + tmp135 = tmp91 + tmp94; + tmp138 = K707106781 * (tmp136 + tmp137); + tmp139 = tmp135 + tmp138; + tmp147 = tmp135 - tmp138; + tmp192 = K707106781 * (tmp100 + tmp105); + tmp195 = tmp193 - tmp194; + tmp196 = tmp192 + tmp195; + tmp198 = tmp195 - tmp192; + } + { + fftw_real tmp142; + fftw_real tmp145; + fftw_real tmp148; + fftw_real tmp149; + ASSERT_ALIGNED_DOUBLE; + tmp142 = (K382683432 * tmp140) + (K923879532 * tmp141); + tmp145 = (K923879532 * tmp143) - (K382683432 * tmp144); + tmp146 = tmp142 + tmp145; + tmp197 = tmp145 - tmp142; + tmp148 = (K923879532 * tmp140) - (K382683432 * tmp141); + tmp149 = (K923879532 * tmp144) + (K382683432 * tmp143); + tmp150 = tmp148 - tmp149; + tmp191 = tmp148 + tmp149; + } + c_re(inout[9 * iostride]) = tmp139 - tmp146; + c_re(inout[iostride]) = tmp139 + tmp146; + c_re(inout[13 * iostride]) = tmp147 - tmp150; + c_re(inout[5 * iostride]) = tmp147 + tmp150; + c_im(inout[iostride]) = tmp191 + tmp196; + c_im(inout[9 * iostride]) = tmp196 - tmp191; + c_im(inout[5 * iostride]) = tmp197 + tmp198; + c_im(inout[13 * iostride]) = tmp198 - tmp197; + } + { + fftw_real tmp155; + fftw_real tmp167; + fftw_real tmp188; + fftw_real tmp190; + fftw_real tmp166; + fftw_real tmp189; + fftw_real tmp170; + fftw_real tmp185; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp151; + fftw_real tmp154; + fftw_real tmp186; + fftw_real tmp187; + ASSERT_ALIGNED_DOUBLE; + tmp151 = tmp7 - tmp18; + tmp154 = tmp152 - tmp153; + tmp155 = tmp151 + tmp154; + tmp167 = tmp151 - tmp154; + tmp186 = tmp41 - tmp30; + tmp187 = tmp180 - tmp177; + tmp188 = tmp186 + tmp187; + tmp190 = tmp187 - tmp186; + } + { + fftw_real tmp160; + fftw_real tmp165; + fftw_real tmp168; + fftw_real tmp169; + ASSERT_ALIGNED_DOUBLE; + tmp160 = tmp156 + tmp159; + tmp165 = tmp161 - tmp164; + tmp166 = K707106781 * (tmp160 + tmp165); + tmp189 = K707106781 * (tmp165 - tmp160); + tmp168 = tmp159 - tmp156; + tmp169 = tmp161 + tmp164; + tmp170 = K707106781 * (tmp168 - tmp169); + tmp185 = K707106781 * (tmp168 + tmp169); + } + c_re(inout[10 * iostride]) = tmp155 - tmp166; + c_re(inout[2 * iostride]) = tmp155 + tmp166; + c_re(inout[14 * iostride]) = tmp167 - tmp170; + c_re(inout[6 * iostride]) = tmp167 + tmp170; + c_im(inout[2 * iostride]) = tmp185 + tmp188; + c_im(inout[10 * iostride]) = tmp188 - tmp185; + c_im(inout[6 * iostride]) = tmp189 + tmp190; + c_im(inout[14 * iostride]) = tmp190 - tmp189; + } + { + fftw_real tmp43; + fftw_real tmp171; + fftw_real tmp182; + fftw_real tmp184; + fftw_real tmp90; + fftw_real tmp183; + fftw_real tmp174; + fftw_real tmp175; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp19; + fftw_real tmp42; + fftw_real tmp176; + fftw_real tmp181; + ASSERT_ALIGNED_DOUBLE; + tmp19 = tmp7 + tmp18; + tmp42 = tmp30 + tmp41; + tmp43 = tmp19 + tmp42; + tmp171 = tmp19 - tmp42; + tmp176 = tmp152 + tmp153; + tmp181 = tmp177 + tmp180; + tmp182 = tmp176 + tmp181; + tmp184 = tmp181 - tmp176; + } + { + fftw_real tmp66; + fftw_real tmp89; + fftw_real tmp172; + fftw_real tmp173; + ASSERT_ALIGNED_DOUBLE; + tmp66 = tmp54 + tmp65; + tmp89 = tmp77 + tmp88; + tmp90 = tmp66 + tmp89; + tmp183 = tmp89 - tmp66; + tmp172 = tmp157 + tmp158; + tmp173 = tmp162 + tmp163; + tmp174 = tmp172 - tmp173; + tmp175 = tmp172 + tmp173; + } + c_re(inout[8 * iostride]) = tmp43 - tmp90; + c_re(inout[0]) = tmp43 + tmp90; + c_re(inout[12 * iostride]) = tmp171 - tmp174; + c_re(inout[4 * iostride]) = tmp171 + tmp174; + c_im(inout[0]) = tmp175 + tmp182; + c_im(inout[8 * iostride]) = tmp182 - tmp175; + c_im(inout[4 * iostride]) = tmp183 + tmp184; + c_im(inout[12 * iostride]) = tmp184 - tmp183; + } + } +} + +static const int twiddle_order[] = + { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; +fftw_codelet_desc fftw_twiddle_16_desc = { + "fftw_twiddle_16", + (void (*)()) fftw_twiddle_16, + 16, + FFTW_FORWARD, + FFTW_TWIDDLE, + 352, + 15, + twiddle_order, +}; |