/* * 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 02:09:04 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 -hc2hc-backward 16 */ /* * This function contains 298 FP additions, 134 FP multiplications, * (or, 244 additions, 80 multiplications, 54 fused multiply/add), * 49 stack variables, and 128 memory accesses */ static const fftw_real K1_961570560 = FFTW_KONST(+1.961570560806460898252364472268478073947867462); static const fftw_real K390180644 = FFTW_KONST(+0.390180644032256535696569736954044481855383236); static const fftw_real K1_111140466 = FFTW_KONST(+1.111140466039204449485661627897065748749874382); static const fftw_real K1_662939224 = FFTW_KONST(+1.662939224605090474157576755235811513477121624); static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938); static const fftw_real K382683432 = FFTW_KONST(+0.382683432365089771728459984030398866761344562); static const fftw_real K923879532 = FFTW_KONST(+0.923879532511286756128183189396788286822416626); static const fftw_real K765366864 = FFTW_KONST(+0.765366864730179543456919968060797733522689125); static const fftw_real K1_847759065 = FFTW_KONST(+1.847759065022573512256366378793576573644833252); static const fftw_real K1_414213562 = FFTW_KONST(+1.414213562373095048801688724209698078569671875); static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); /* * Generator Id's : * $Id: exprdag.ml,v 1.43 2003/03/16 23:43:46 stevenj Exp $ * $Id: fft.ml,v 1.44 2003/03/16 23:43:46 stevenj Exp $ * $Id: to_c.ml,v 1.26 2003/03/16 23:43:46 stevenj Exp $ */ void fftw_hc2hc_backward_16(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist) { int i; fftw_real *X; fftw_real *Y; X = A; Y = A + (16 * iostride); { fftw_real tmp279; fftw_real tmp324; fftw_real tmp308; fftw_real tmp299; fftw_real tmp276; fftw_real tmp296; fftw_real tmp312; fftw_real tmp323; fftw_real tmp283; fftw_real tmp291; fftw_real tmp286; fftw_real tmp294; fftw_real tmp301; fftw_real tmp319; fftw_real tmp327; fftw_real tmp326; fftw_real tmp316; fftw_real tmp302; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp277; fftw_real tmp278; fftw_real tmp306; fftw_real tmp297; fftw_real tmp298; fftw_real tmp307; ASSERT_ALIGNED_DOUBLE; tmp277 = X[2 * iostride]; tmp278 = X[6 * iostride]; tmp306 = tmp277 - tmp278; tmp297 = Y[-2 * iostride]; tmp298 = Y[-6 * iostride]; tmp307 = tmp297 + tmp298; tmp279 = K2_000000000 * (tmp277 + tmp278); tmp324 = K1_414213562 * (tmp306 + tmp307); tmp308 = K1_414213562 * (tmp306 - tmp307); tmp299 = K2_000000000 * (tmp297 - tmp298); } { fftw_real tmp275; fftw_real tmp311; fftw_real tmp273; fftw_real tmp309; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp274; fftw_real tmp310; fftw_real tmp271; fftw_real tmp272; ASSERT_ALIGNED_DOUBLE; tmp274 = X[4 * iostride]; tmp275 = K2_000000000 * tmp274; tmp310 = Y[-4 * iostride]; tmp311 = K2_000000000 * tmp310; tmp271 = X[0]; tmp272 = X[8 * iostride]; tmp273 = tmp271 + tmp272; tmp309 = tmp271 - tmp272; } tmp276 = tmp273 + tmp275; tmp296 = tmp273 - tmp275; tmp312 = tmp309 - tmp311; tmp323 = tmp309 + tmp311; } { fftw_real tmp314; fftw_real tmp318; fftw_real tmp317; fftw_real tmp315; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp281; fftw_real tmp282; fftw_real tmp289; fftw_real tmp290; ASSERT_ALIGNED_DOUBLE; tmp281 = X[iostride]; tmp282 = X[7 * iostride]; tmp283 = tmp281 + tmp282; tmp314 = tmp281 - tmp282; tmp289 = Y[-iostride]; tmp290 = Y[-7 * iostride]; tmp291 = tmp289 - tmp290; tmp318 = tmp289 + tmp290; } { fftw_real tmp284; fftw_real tmp285; fftw_real tmp292; fftw_real tmp293; ASSERT_ALIGNED_DOUBLE; tmp284 = X[3 * iostride]; tmp285 = X[5 * iostride]; tmp286 = tmp284 + tmp285; tmp317 = tmp285 - tmp284; tmp292 = Y[-3 * iostride]; tmp293 = Y[-5 * iostride]; tmp294 = tmp292 - tmp293; tmp315 = tmp292 + tmp293; } tmp301 = tmp283 - tmp286; tmp319 = tmp317 + tmp318; tmp327 = tmp318 - tmp317; tmp326 = tmp314 + tmp315; tmp316 = tmp314 - tmp315; tmp302 = tmp291 + tmp294; } { fftw_real tmp280; fftw_real tmp287; fftw_real tmp288; fftw_real tmp295; ASSERT_ALIGNED_DOUBLE; tmp280 = tmp276 + tmp279; tmp287 = K2_000000000 * (tmp283 + tmp286); X[8 * iostride] = tmp280 - tmp287; X[0] = tmp280 + tmp287; tmp288 = tmp276 - tmp279; tmp295 = K2_000000000 * (tmp291 - tmp294); X[12 * iostride] = tmp288 + tmp295; X[4 * iostride] = tmp288 - tmp295; } { fftw_real tmp300; fftw_real tmp303; fftw_real tmp304; fftw_real tmp305; ASSERT_ALIGNED_DOUBLE; tmp300 = tmp296 - tmp299; tmp303 = K1_414213562 * (tmp301 - tmp302); X[10 * iostride] = tmp300 - tmp303; X[2 * iostride] = tmp303 + tmp300; tmp304 = tmp296 + tmp299; tmp305 = K1_414213562 * (tmp301 + tmp302); X[6 * iostride] = tmp304 - tmp305; X[14 * iostride] = tmp305 + tmp304; } { fftw_real tmp313; fftw_real tmp320; fftw_real tmp321; fftw_real tmp322; ASSERT_ALIGNED_DOUBLE; tmp313 = tmp308 + tmp312; tmp320 = (K1_847759065 * tmp316) - (K765366864 * tmp319); X[9 * iostride] = tmp313 - tmp320; X[iostride] = tmp320 + tmp313; tmp321 = tmp312 - tmp308; tmp322 = (K1_847759065 * tmp319) + (K765366864 * tmp316); X[5 * iostride] = tmp321 - tmp322; X[13 * iostride] = tmp322 + tmp321; } { fftw_real tmp325; fftw_real tmp328; fftw_real tmp329; fftw_real tmp330; ASSERT_ALIGNED_DOUBLE; tmp325 = tmp323 - tmp324; tmp328 = (K765366864 * tmp326) - (K1_847759065 * tmp327); X[11 * iostride] = tmp325 - tmp328; X[3 * iostride] = tmp328 + tmp325; tmp329 = tmp324 + tmp323; tmp330 = (K765366864 * tmp327) + (K1_847759065 * tmp326); X[7 * iostride] = tmp329 - tmp330; X[15 * iostride] = tmp330 + tmp329; } } X = X + dist; Y = Y - dist; for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 15) { fftw_real tmp73; fftw_real tmp98; fftw_real tmp135; fftw_real tmp160; fftw_real tmp182; fftw_real tmp236; fftw_real tmp210; fftw_real tmp248; fftw_real tmp95; fftw_real tmp124; fftw_real tmp138; fftw_real tmp164; fftw_real tmp197; fftw_real tmp216; fftw_real tmp244; fftw_real tmp252; fftw_real tmp80; fftw_real tmp128; fftw_real tmp105; fftw_real tmp161; fftw_real tmp213; fftw_real tmp237; fftw_real tmp189; fftw_real tmp249; fftw_real tmp88; fftw_real tmp115; fftw_real tmp137; fftw_real tmp163; fftw_real tmp204; fftw_real tmp215; fftw_real tmp241; fftw_real tmp251; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp69; fftw_real tmp180; fftw_real tmp131; fftw_real tmp209; fftw_real tmp72; fftw_real tmp208; fftw_real tmp134; fftw_real tmp181; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp67; fftw_real tmp68; fftw_real tmp129; fftw_real tmp130; ASSERT_ALIGNED_DOUBLE; tmp67 = X[0]; tmp68 = Y[-8 * iostride]; tmp69 = tmp67 + tmp68; tmp180 = tmp67 - tmp68; tmp129 = Y[0]; tmp130 = X[8 * iostride]; tmp131 = tmp129 - tmp130; tmp209 = tmp129 + tmp130; } { fftw_real tmp70; fftw_real tmp71; fftw_real tmp132; fftw_real tmp133; ASSERT_ALIGNED_DOUBLE; tmp70 = X[4 * iostride]; tmp71 = Y[-12 * iostride]; tmp72 = tmp70 + tmp71; tmp208 = tmp70 - tmp71; tmp132 = Y[-4 * iostride]; tmp133 = X[12 * iostride]; tmp134 = tmp132 - tmp133; tmp181 = tmp132 + tmp133; } tmp73 = tmp69 + tmp72; tmp98 = tmp69 - tmp72; tmp135 = tmp131 - tmp134; tmp160 = tmp131 + tmp134; tmp182 = tmp180 - tmp181; tmp236 = tmp180 + tmp181; tmp210 = tmp208 + tmp209; tmp248 = tmp209 - tmp208; } { fftw_real tmp91; fftw_real tmp194; fftw_real tmp119; fftw_real tmp192; fftw_real tmp94; fftw_real tmp191; fftw_real tmp122; fftw_real tmp195; fftw_real tmp116; fftw_real tmp123; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp89; fftw_real tmp90; fftw_real tmp117; fftw_real tmp118; ASSERT_ALIGNED_DOUBLE; tmp89 = Y[-15 * iostride]; tmp90 = X[7 * iostride]; tmp91 = tmp89 + tmp90; tmp194 = tmp89 - tmp90; tmp117 = Y[-7 * iostride]; tmp118 = X[15 * iostride]; tmp119 = tmp117 - tmp118; tmp192 = tmp117 + tmp118; } { fftw_real tmp92; fftw_real tmp93; fftw_real tmp120; fftw_real tmp121; ASSERT_ALIGNED_DOUBLE; tmp92 = X[3 * iostride]; tmp93 = Y[-11 * iostride]; tmp94 = tmp92 + tmp93; tmp191 = tmp92 - tmp93; tmp120 = Y[-3 * iostride]; tmp121 = X[11 * iostride]; tmp122 = tmp120 - tmp121; tmp195 = tmp120 + tmp121; } tmp95 = tmp91 + tmp94; tmp116 = tmp91 - tmp94; tmp123 = tmp119 - tmp122; tmp124 = tmp116 + tmp123; tmp138 = tmp123 - tmp116; tmp164 = tmp119 + tmp122; { fftw_real tmp193; fftw_real tmp196; fftw_real tmp242; fftw_real tmp243; ASSERT_ALIGNED_DOUBLE; tmp193 = tmp191 - tmp192; tmp196 = tmp194 - tmp195; tmp197 = (K923879532 * tmp193) - (K382683432 * tmp196); tmp216 = (K382683432 * tmp193) + (K923879532 * tmp196); tmp242 = tmp194 + tmp195; tmp243 = tmp191 + tmp192; tmp244 = (K382683432 * tmp242) - (K923879532 * tmp243); tmp252 = (K382683432 * tmp243) + (K923879532 * tmp242); } } { fftw_real tmp76; fftw_real tmp183; fftw_real tmp104; fftw_real tmp184; fftw_real tmp79; fftw_real tmp186; fftw_real tmp101; fftw_real tmp187; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp74; fftw_real tmp75; fftw_real tmp102; fftw_real tmp103; ASSERT_ALIGNED_DOUBLE; tmp74 = X[2 * iostride]; tmp75 = Y[-10 * iostride]; tmp76 = tmp74 + tmp75; tmp183 = tmp74 - tmp75; tmp102 = Y[-2 * iostride]; tmp103 = X[10 * iostride]; tmp104 = tmp102 - tmp103; tmp184 = tmp102 + tmp103; } { fftw_real tmp77; fftw_real tmp78; fftw_real tmp99; fftw_real tmp100; ASSERT_ALIGNED_DOUBLE; tmp77 = Y[-14 * iostride]; tmp78 = X[6 * iostride]; tmp79 = tmp77 + tmp78; tmp186 = tmp77 - tmp78; tmp99 = Y[-6 * iostride]; tmp100 = X[14 * iostride]; tmp101 = tmp99 - tmp100; tmp187 = tmp99 + tmp100; } tmp80 = tmp76 + tmp79; tmp128 = tmp76 - tmp79; tmp105 = tmp101 - tmp104; tmp161 = tmp104 + tmp101; { fftw_real tmp211; fftw_real tmp212; fftw_real tmp185; fftw_real tmp188; ASSERT_ALIGNED_DOUBLE; tmp211 = tmp183 + tmp184; tmp212 = tmp186 + tmp187; tmp213 = K707106781 * (tmp211 - tmp212); tmp237 = K707106781 * (tmp211 + tmp212); tmp185 = tmp183 - tmp184; tmp188 = tmp186 - tmp187; tmp189 = K707106781 * (tmp185 + tmp188); tmp249 = K707106781 * (tmp185 - tmp188); } } { fftw_real tmp84; fftw_real tmp201; fftw_real tmp110; fftw_real tmp199; fftw_real tmp87; fftw_real tmp198; fftw_real tmp113; fftw_real tmp202; fftw_real tmp107; fftw_real tmp114; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp82; fftw_real tmp83; fftw_real tmp108; fftw_real tmp109; ASSERT_ALIGNED_DOUBLE; tmp82 = X[iostride]; tmp83 = Y[-9 * iostride]; tmp84 = tmp82 + tmp83; tmp201 = tmp82 - tmp83; tmp108 = Y[-iostride]; tmp109 = X[9 * iostride]; tmp110 = tmp108 - tmp109; tmp199 = tmp108 + tmp109; } { fftw_real tmp85; fftw_real tmp86; fftw_real tmp111; fftw_real tmp112; ASSERT_ALIGNED_DOUBLE; tmp85 = X[5 * iostride]; tmp86 = Y[-13 * iostride]; tmp87 = tmp85 + tmp86; tmp198 = tmp85 - tmp86; tmp111 = Y[-5 * iostride]; tmp112 = X[13 * iostride]; tmp113 = tmp111 - tmp112; tmp202 = tmp111 + tmp112; } tmp88 = tmp84 + tmp87; tmp107 = tmp84 - tmp87; tmp114 = tmp110 - tmp113; tmp115 = tmp107 - tmp114; tmp137 = tmp107 + tmp114; tmp163 = tmp110 + tmp113; { fftw_real tmp200; fftw_real tmp203; fftw_real tmp239; fftw_real tmp240; ASSERT_ALIGNED_DOUBLE; tmp200 = tmp198 + tmp199; tmp203 = tmp201 - tmp202; tmp204 = (K923879532 * tmp200) + (K382683432 * tmp203); tmp215 = (K923879532 * tmp203) - (K382683432 * tmp200); tmp239 = tmp201 + tmp202; tmp240 = tmp199 - tmp198; tmp241 = (K382683432 * tmp239) - (K923879532 * tmp240); tmp251 = (K382683432 * tmp240) + (K923879532 * tmp239); } } { fftw_real tmp81; fftw_real tmp96; fftw_real tmp158; fftw_real tmp162; fftw_real tmp165; fftw_real tmp166; fftw_real tmp157; fftw_real tmp159; ASSERT_ALIGNED_DOUBLE; tmp81 = tmp73 + tmp80; tmp96 = tmp88 + tmp95; tmp158 = tmp81 - tmp96; tmp162 = tmp160 + tmp161; tmp165 = tmp163 + tmp164; tmp166 = tmp162 - tmp165; X[0] = tmp81 + tmp96; Y[-15 * iostride] = tmp162 + tmp165; tmp157 = c_re(W[7]); tmp159 = c_im(W[7]); X[8 * iostride] = (tmp157 * tmp158) + (tmp159 * tmp166); Y[-7 * iostride] = (tmp157 * tmp166) - (tmp159 * tmp158); } { fftw_real tmp170; fftw_real tmp176; fftw_real tmp174; fftw_real tmp178; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp168; fftw_real tmp169; fftw_real tmp172; fftw_real tmp173; ASSERT_ALIGNED_DOUBLE; tmp168 = tmp160 - tmp161; tmp169 = tmp88 - tmp95; tmp170 = tmp168 - tmp169; tmp176 = tmp169 + tmp168; tmp172 = tmp73 - tmp80; tmp173 = tmp164 - tmp163; tmp174 = tmp172 - tmp173; tmp178 = tmp172 + tmp173; } { fftw_real tmp167; fftw_real tmp171; fftw_real tmp175; fftw_real tmp177; ASSERT_ALIGNED_DOUBLE; tmp167 = c_re(W[11]); tmp171 = c_im(W[11]); Y[-3 * iostride] = (tmp167 * tmp170) - (tmp171 * tmp174); X[12 * iostride] = (tmp171 * tmp170) + (tmp167 * tmp174); tmp175 = c_re(W[3]); tmp177 = c_im(W[3]); Y[-11 * iostride] = (tmp175 * tmp176) - (tmp177 * tmp178); X[4 * iostride] = (tmp177 * tmp176) + (tmp175 * tmp178); } } { fftw_real tmp126; fftw_real tmp142; fftw_real tmp140; fftw_real tmp144; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp106; fftw_real tmp125; fftw_real tmp136; fftw_real tmp139; ASSERT_ALIGNED_DOUBLE; tmp106 = tmp98 + tmp105; tmp125 = K707106781 * (tmp115 + tmp124); tmp126 = tmp106 - tmp125; tmp142 = tmp106 + tmp125; tmp136 = tmp128 + tmp135; tmp139 = K707106781 * (tmp137 + tmp138); tmp140 = tmp136 - tmp139; tmp144 = tmp136 + tmp139; } { fftw_real tmp97; fftw_real tmp127; fftw_real tmp141; fftw_real tmp143; ASSERT_ALIGNED_DOUBLE; tmp97 = c_re(W[9]); tmp127 = c_im(W[9]); X[10 * iostride] = (tmp97 * tmp126) + (tmp127 * tmp140); Y[-5 * iostride] = (tmp97 * tmp140) - (tmp127 * tmp126); tmp141 = c_re(W[1]); tmp143 = c_im(W[1]); X[2 * iostride] = (tmp141 * tmp142) + (tmp143 * tmp144); Y[-13 * iostride] = (tmp141 * tmp144) - (tmp143 * tmp142); } } { fftw_real tmp148; fftw_real tmp154; fftw_real tmp152; fftw_real tmp156; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp146; fftw_real tmp147; fftw_real tmp150; fftw_real tmp151; ASSERT_ALIGNED_DOUBLE; tmp146 = tmp135 - tmp128; tmp147 = K707106781 * (tmp115 - tmp124); tmp148 = tmp146 - tmp147; tmp154 = tmp146 + tmp147; tmp150 = tmp98 - tmp105; tmp151 = K707106781 * (tmp138 - tmp137); tmp152 = tmp150 - tmp151; tmp156 = tmp150 + tmp151; } { fftw_real tmp145; fftw_real tmp149; fftw_real tmp153; fftw_real tmp155; ASSERT_ALIGNED_DOUBLE; tmp145 = c_re(W[13]); tmp149 = c_im(W[13]); Y[-iostride] = (tmp145 * tmp148) - (tmp149 * tmp152); X[14 * iostride] = (tmp149 * tmp148) + (tmp145 * tmp152); tmp153 = c_re(W[5]); tmp155 = c_im(W[5]); Y[-9 * iostride] = (tmp153 * tmp154) - (tmp155 * tmp156); X[6 * iostride] = (tmp155 * tmp154) + (tmp153 * tmp156); } } { fftw_real tmp206; fftw_real tmp220; fftw_real tmp218; fftw_real tmp222; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp190; fftw_real tmp205; fftw_real tmp214; fftw_real tmp217; ASSERT_ALIGNED_DOUBLE; tmp190 = tmp182 - tmp189; tmp205 = tmp197 - tmp204; tmp206 = tmp190 - tmp205; tmp220 = tmp190 + tmp205; tmp214 = tmp210 - tmp213; tmp217 = tmp215 - tmp216; tmp218 = tmp214 - tmp217; tmp222 = tmp214 + tmp217; } { fftw_real tmp179; fftw_real tmp207; fftw_real tmp219; fftw_real tmp221; ASSERT_ALIGNED_DOUBLE; tmp179 = c_re(W[12]); tmp207 = c_im(W[12]); X[13 * iostride] = (tmp179 * tmp206) + (tmp207 * tmp218); Y[-2 * iostride] = (tmp179 * tmp218) - (tmp207 * tmp206); tmp219 = c_re(W[4]); tmp221 = c_im(W[4]); X[5 * iostride] = (tmp219 * tmp220) + (tmp221 * tmp222); Y[-10 * iostride] = (tmp219 * tmp222) - (tmp221 * tmp220); } } { fftw_real tmp226; fftw_real tmp232; fftw_real tmp230; fftw_real tmp234; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp224; fftw_real tmp225; fftw_real tmp228; fftw_real tmp229; ASSERT_ALIGNED_DOUBLE; tmp224 = tmp210 + tmp213; tmp225 = tmp204 + tmp197; tmp226 = tmp224 - tmp225; tmp232 = tmp224 + tmp225; tmp228 = tmp182 + tmp189; tmp229 = tmp215 + tmp216; tmp230 = tmp228 - tmp229; tmp234 = tmp228 + tmp229; } { fftw_real tmp223; fftw_real tmp227; fftw_real tmp231; fftw_real tmp233; ASSERT_ALIGNED_DOUBLE; tmp223 = c_re(W[8]); tmp227 = c_im(W[8]); Y[-6 * iostride] = (tmp223 * tmp226) - (tmp227 * tmp230); X[9 * iostride] = (tmp227 * tmp226) + (tmp223 * tmp230); tmp231 = c_re(W[0]); tmp233 = c_im(W[0]); Y[-14 * iostride] = (tmp231 * tmp232) - (tmp233 * tmp234); X[iostride] = (tmp233 * tmp232) + (tmp231 * tmp234); } } { fftw_real tmp246; fftw_real tmp256; fftw_real tmp254; fftw_real tmp258; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp238; fftw_real tmp245; fftw_real tmp250; fftw_real tmp253; ASSERT_ALIGNED_DOUBLE; tmp238 = tmp236 - tmp237; tmp245 = tmp241 + tmp244; tmp246 = tmp238 - tmp245; tmp256 = tmp238 + tmp245; tmp250 = tmp248 + tmp249; tmp253 = tmp251 - tmp252; tmp254 = tmp250 - tmp253; tmp258 = tmp250 + tmp253; } { fftw_real tmp235; fftw_real tmp247; fftw_real tmp255; fftw_real tmp257; ASSERT_ALIGNED_DOUBLE; tmp235 = c_re(W[10]); tmp247 = c_im(W[10]); X[11 * iostride] = (tmp235 * tmp246) + (tmp247 * tmp254); Y[-4 * iostride] = (tmp235 * tmp254) - (tmp247 * tmp246); tmp255 = c_re(W[2]); tmp257 = c_im(W[2]); X[3 * iostride] = (tmp255 * tmp256) + (tmp257 * tmp258); Y[-12 * iostride] = (tmp255 * tmp258) - (tmp257 * tmp256); } } { fftw_real tmp262; fftw_real tmp268; fftw_real tmp266; fftw_real tmp270; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp260; fftw_real tmp261; fftw_real tmp264; fftw_real tmp265; ASSERT_ALIGNED_DOUBLE; tmp260 = tmp248 - tmp249; tmp261 = tmp241 - tmp244; tmp262 = tmp260 + tmp261; tmp268 = tmp260 - tmp261; tmp264 = tmp236 + tmp237; tmp265 = tmp251 + tmp252; tmp266 = tmp264 - tmp265; tmp270 = tmp264 + tmp265; } { fftw_real tmp259; fftw_real tmp263; fftw_real tmp267; fftw_real tmp269; ASSERT_ALIGNED_DOUBLE; tmp259 = c_re(W[6]); tmp263 = c_im(W[6]); Y[-8 * iostride] = (tmp259 * tmp262) - (tmp263 * tmp266); X[7 * iostride] = (tmp263 * tmp262) + (tmp259 * tmp266); tmp267 = c_re(W[14]); tmp269 = c_im(W[14]); Y[0] = (tmp267 * tmp268) - (tmp269 * tmp270); X[15 * iostride] = (tmp269 * tmp268) + (tmp267 * tmp270); } } } if (i == m) { fftw_real tmp7; fftw_real tmp51; fftw_real tmp19; fftw_real tmp43; fftw_real tmp39; fftw_real tmp47; fftw_real tmp59; fftw_real tmp64; fftw_real tmp14; fftw_real tmp56; fftw_real tmp24; fftw_real tmp32; fftw_real tmp29; fftw_real tmp33; fftw_real tmp54; fftw_real tmp65; fftw_real tmp63; fftw_real tmp66; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp3; fftw_real tmp15; fftw_real tmp38; fftw_real tmp57; fftw_real tmp6; fftw_real tmp35; fftw_real tmp18; fftw_real tmp58; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp1; fftw_real tmp2; fftw_real tmp36; fftw_real tmp37; ASSERT_ALIGNED_DOUBLE; tmp1 = X[0]; tmp2 = X[7 * iostride]; tmp3 = tmp1 + tmp2; tmp15 = tmp1 - tmp2; tmp36 = Y[0]; tmp37 = Y[-7 * iostride]; tmp38 = tmp36 + tmp37; tmp57 = tmp36 - tmp37; } { fftw_real tmp4; fftw_real tmp5; fftw_real tmp16; fftw_real tmp17; ASSERT_ALIGNED_DOUBLE; tmp4 = X[4 * iostride]; tmp5 = X[3 * iostride]; tmp6 = tmp4 + tmp5; tmp35 = tmp4 - tmp5; tmp16 = Y[-4 * iostride]; tmp17 = Y[-3 * iostride]; tmp18 = tmp16 + tmp17; tmp58 = tmp16 - tmp17; } tmp7 = tmp3 + tmp6; tmp51 = tmp3 - tmp6; tmp19 = tmp15 - tmp18; tmp43 = tmp15 + tmp18; tmp39 = tmp35 + tmp38; tmp47 = tmp38 - tmp35; tmp59 = tmp57 - tmp58; tmp64 = tmp58 + tmp57; } { fftw_real tmp10; fftw_real tmp20; fftw_real tmp23; fftw_real tmp53; fftw_real tmp13; fftw_real tmp25; fftw_real tmp28; fftw_real tmp52; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp8; fftw_real tmp9; fftw_real tmp21; fftw_real tmp22; ASSERT_ALIGNED_DOUBLE; tmp8 = X[2 * iostride]; tmp9 = X[5 * iostride]; tmp10 = tmp8 + tmp9; tmp20 = tmp8 - tmp9; tmp21 = Y[-2 * iostride]; tmp22 = Y[-5 * iostride]; tmp23 = tmp21 + tmp22; tmp53 = tmp21 - tmp22; } { fftw_real tmp11; fftw_real tmp12; fftw_real tmp26; fftw_real tmp27; ASSERT_ALIGNED_DOUBLE; tmp11 = X[iostride]; tmp12 = X[6 * iostride]; tmp13 = tmp11 + tmp12; tmp25 = tmp11 - tmp12; tmp26 = Y[-iostride]; tmp27 = Y[-6 * iostride]; tmp28 = tmp26 + tmp27; tmp52 = tmp27 - tmp26; } tmp14 = tmp10 + tmp13; tmp56 = tmp10 - tmp13; tmp24 = tmp20 - tmp23; tmp32 = tmp20 + tmp23; tmp29 = tmp25 - tmp28; tmp33 = tmp25 + tmp28; tmp54 = tmp52 - tmp53; tmp65 = tmp53 + tmp52; } X[0] = K2_000000000 * (tmp7 + tmp14); X[8 * iostride] = -(K2_000000000 * (tmp65 + tmp64)); tmp63 = tmp7 - tmp14; tmp66 = tmp64 - tmp65; X[4 * iostride] = K1_414213562 * (tmp63 - tmp66); X[12 * iostride] = -(K1_414213562 * (tmp63 + tmp66)); { fftw_real tmp61; fftw_real tmp62; fftw_real tmp55; fftw_real tmp60; ASSERT_ALIGNED_DOUBLE; tmp61 = tmp51 - tmp54; tmp62 = tmp59 - tmp56; X[6 * iostride] = (K765366864 * tmp61) - (K1_847759065 * tmp62); X[14 * iostride] = -((K1_847759065 * tmp61) + (K765366864 * tmp62)); tmp55 = tmp51 + tmp54; tmp60 = tmp56 + tmp59; X[2 * iostride] = (K1_847759065 * tmp55) - (K765366864 * tmp60); X[10 * iostride] = -((K765366864 * tmp55) + (K1_847759065 * tmp60)); } { fftw_real tmp45; fftw_real tmp49; fftw_real tmp48; fftw_real tmp50; fftw_real tmp44; fftw_real tmp46; ASSERT_ALIGNED_DOUBLE; tmp44 = K707106781 * (tmp32 + tmp33); tmp45 = tmp43 - tmp44; tmp49 = tmp43 + tmp44; tmp46 = K707106781 * (tmp24 - tmp29); tmp48 = tmp46 + tmp47; tmp50 = tmp47 - tmp46; X[3 * iostride] = (K1_662939224 * tmp45) - (K1_111140466 * tmp48); X[11 * iostride] = -((K1_111140466 * tmp45) + (K1_662939224 * tmp48)); X[7 * iostride] = (K390180644 * tmp49) - (K1_961570560 * tmp50); X[15 * iostride] = -((K1_961570560 * tmp49) + (K390180644 * tmp50)); } { fftw_real tmp31; fftw_real tmp41; fftw_real tmp40; fftw_real tmp42; fftw_real tmp30; fftw_real tmp34; ASSERT_ALIGNED_DOUBLE; tmp30 = K707106781 * (tmp24 + tmp29); tmp31 = tmp19 + tmp30; tmp41 = tmp19 - tmp30; tmp34 = K707106781 * (tmp32 - tmp33); tmp40 = tmp34 + tmp39; tmp42 = tmp39 - tmp34; X[iostride] = (K1_961570560 * tmp31) - (K390180644 * tmp40); X[9 * iostride] = -((K390180644 * tmp31) + (K1_961570560 * tmp40)); X[5 * iostride] = (K1_111140466 * tmp41) - (K1_662939224 * tmp42); X[13 * iostride] = -((K1_662939224 * tmp41) + (K1_111140466 * tmp42)); } } } static const int twiddle_order[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; fftw_codelet_desc fftw_hc2hc_backward_16_desc = { "fftw_hc2hc_backward_16", (void (*)()) fftw_hc2hc_backward_16, 16, FFTW_BACKWARD, FFTW_HC2HC, 366, 15, twiddle_order, };