/* * 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 #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 13 */ /* * This function contains 176 FP additions, 68 FP multiplications, * (or, 138 additions, 30 multiplications, 38 fused multiply/add), * 50 stack variables, and 52 memory accesses */ static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); static const fftw_real K256247671 = FFTW_KONST(+0.256247671582936600958684654061725059144125175); static const fftw_real K156891391 = FFTW_KONST(+0.156891391051584611046832726756003269660212636); static const fftw_real K300238635 = FFTW_KONST(+0.300238635966332641462884626667381504676006424); static const fftw_real K011599105 = FFTW_KONST(+0.011599105605768290721655456654083252189827041); static const fftw_real K174138601 = FFTW_KONST(+0.174138601152135905005660794929264742616964676); static const fftw_real K575140729 = FFTW_KONST(+0.575140729474003121368385547455453388461001608); static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); static const fftw_real K083333333 = FFTW_KONST(+0.083333333333333333333333333333333333333333333); static const fftw_real K075902986 = FFTW_KONST(+0.075902986037193865983102897245103540356428373); static const fftw_real K251768516 = FFTW_KONST(+0.251768516431883313623436926934233488546674281); static const fftw_real K258260390 = FFTW_KONST(+0.258260390311744861420450644284508567852516811); static const fftw_real K132983124 = FFTW_KONST(+0.132983124607418643793760531921092974399165133); static const fftw_real K265966249 = FFTW_KONST(+0.265966249214837287587521063842185948798330267); static const fftw_real K387390585 = FFTW_KONST(+0.387390585467617292130675966426762851778775217); static const fftw_real K503537032 = FFTW_KONST(+0.503537032863766627246873853868466977093348562); static const fftw_real K113854479 = FFTW_KONST(+0.113854479055790798974654345867655310534642560); static const fftw_real K300462606 = FFTW_KONST(+0.300462606288665774426601772289207995520941381); static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); /* * Generator Id's : * $Id: exprdag.ml,v 1.41 1999/05/26 15:44:14 fftw Exp $ * $Id: fft.ml,v 1.43 1999/05/17 19:44:18 fftw Exp $ * $Id: to_c.ml,v 1.25 1999/10/26 21:41:32 stevenj Exp $ */ void fftw_no_twiddle_13(const fftw_complex *input, fftw_complex *output, int istride, int ostride) { fftw_real tmp1; fftw_real tmp88; fftw_real tmp29; fftw_real tmp36; fftw_real tmp43; fftw_real tmp121; fftw_real tmp128; fftw_real tmp30; fftw_real tmp24; fftw_real tmp131; fftw_real tmp124; fftw_real tmp129; fftw_real tmp41; fftw_real tmp44; fftw_real tmp134; fftw_real tmp83; fftw_real tmp89; fftw_real tmp70; fftw_real tmp85; fftw_real tmp137; fftw_real tmp141; fftw_real tmp146; fftw_real tmp77; fftw_real tmp86; fftw_real tmp144; fftw_real tmp147; ASSERT_ALIGNED_DOUBLE; tmp1 = c_re(input[0]); tmp88 = c_im(input[0]); { fftw_real tmp15; fftw_real tmp25; fftw_real tmp18; fftw_real tmp26; fftw_real tmp21; fftw_real tmp27; fftw_real tmp22; fftw_real tmp28; fftw_real tmp6; fftw_real tmp37; fftw_real tmp33; fftw_real tmp11; fftw_real tmp38; fftw_real tmp34; fftw_real tmp13; fftw_real tmp14; fftw_real tmp12; fftw_real tmp23; ASSERT_ALIGNED_DOUBLE; tmp13 = c_re(input[8 * istride]); tmp14 = c_re(input[5 * istride]); tmp15 = tmp13 + tmp14; tmp25 = tmp13 - tmp14; { fftw_real tmp16; fftw_real tmp17; fftw_real tmp19; fftw_real tmp20; ASSERT_ALIGNED_DOUBLE; tmp16 = c_re(input[6 * istride]); tmp17 = c_re(input[11 * istride]); tmp18 = tmp16 + tmp17; tmp26 = tmp16 - tmp17; tmp19 = c_re(input[2 * istride]); tmp20 = c_re(input[7 * istride]); tmp21 = tmp19 + tmp20; tmp27 = tmp19 - tmp20; } tmp22 = tmp18 + tmp21; tmp28 = tmp26 + tmp27; { fftw_real tmp2; fftw_real tmp3; fftw_real tmp4; fftw_real tmp5; ASSERT_ALIGNED_DOUBLE; tmp2 = c_re(input[istride]); tmp3 = c_re(input[3 * istride]); tmp4 = c_re(input[9 * istride]); tmp5 = tmp3 + tmp4; tmp6 = tmp2 + tmp5; tmp37 = tmp2 - (K500000000 * tmp5); tmp33 = tmp3 - tmp4; } { fftw_real tmp7; fftw_real tmp8; fftw_real tmp9; fftw_real tmp10; ASSERT_ALIGNED_DOUBLE; tmp7 = c_re(input[12 * istride]); tmp8 = c_re(input[4 * istride]); tmp9 = c_re(input[10 * istride]); tmp10 = tmp8 + tmp9; tmp11 = tmp7 + tmp10; tmp38 = tmp7 - (K500000000 * tmp10); tmp34 = tmp8 - tmp9; } tmp29 = tmp25 - tmp28; { fftw_real tmp32; fftw_real tmp35; fftw_real tmp119; fftw_real tmp120; ASSERT_ALIGNED_DOUBLE; tmp32 = tmp25 + (K500000000 * tmp28); tmp35 = K866025403 * (tmp33 + tmp34); tmp36 = tmp32 - tmp35; tmp43 = tmp35 + tmp32; tmp119 = tmp33 - tmp34; tmp120 = tmp27 - tmp26; tmp121 = tmp119 + tmp120; tmp128 = tmp120 - tmp119; } tmp30 = tmp6 - tmp11; tmp12 = tmp6 + tmp11; tmp23 = tmp15 + tmp22; tmp24 = tmp12 + tmp23; tmp131 = K300462606 * (tmp12 - tmp23); { fftw_real tmp122; fftw_real tmp123; fftw_real tmp39; fftw_real tmp40; ASSERT_ALIGNED_DOUBLE; tmp122 = tmp37 + tmp38; tmp123 = tmp15 - (K500000000 * tmp22); tmp124 = tmp122 + tmp123; tmp129 = tmp122 - tmp123; tmp39 = tmp37 - tmp38; tmp40 = K866025403 * (tmp18 - tmp21); tmp41 = tmp39 + tmp40; tmp44 = tmp39 - tmp40; } } { fftw_real tmp61; fftw_real tmp135; fftw_real tmp64; fftw_real tmp71; fftw_real tmp67; fftw_real tmp72; fftw_real tmp68; fftw_real tmp136; fftw_real tmp52; fftw_real tmp79; fftw_real tmp75; fftw_real tmp57; fftw_real tmp80; fftw_real tmp74; fftw_real tmp59; fftw_real tmp60; fftw_real tmp139; fftw_real tmp140; ASSERT_ALIGNED_DOUBLE; tmp59 = c_im(input[8 * istride]); tmp60 = c_im(input[5 * istride]); tmp61 = tmp59 + tmp60; tmp135 = tmp59 - tmp60; { fftw_real tmp62; fftw_real tmp63; fftw_real tmp65; fftw_real tmp66; ASSERT_ALIGNED_DOUBLE; tmp62 = c_im(input[6 * istride]); tmp63 = c_im(input[11 * istride]); tmp64 = tmp62 + tmp63; tmp71 = tmp62 - tmp63; tmp65 = c_im(input[2 * istride]); tmp66 = c_im(input[7 * istride]); tmp67 = tmp65 + tmp66; tmp72 = tmp65 - tmp66; } tmp68 = tmp64 + tmp67; tmp136 = tmp71 + tmp72; { fftw_real tmp48; fftw_real tmp49; fftw_real tmp50; fftw_real tmp51; ASSERT_ALIGNED_DOUBLE; tmp48 = c_im(input[istride]); tmp49 = c_im(input[3 * istride]); tmp50 = c_im(input[9 * istride]); tmp51 = tmp49 + tmp50; tmp52 = tmp48 - (K500000000 * tmp51); tmp79 = tmp48 + tmp51; tmp75 = tmp49 - tmp50; } { fftw_real tmp53; fftw_real tmp54; fftw_real tmp55; fftw_real tmp56; ASSERT_ALIGNED_DOUBLE; tmp53 = c_im(input[12 * istride]); tmp54 = c_im(input[4 * istride]); tmp55 = c_im(input[10 * istride]); tmp56 = tmp54 + tmp55; tmp57 = tmp53 - (K500000000 * tmp56); tmp80 = tmp53 + tmp56; tmp74 = tmp54 - tmp55; } tmp134 = tmp79 - tmp80; { fftw_real tmp81; fftw_real tmp82; fftw_real tmp58; fftw_real tmp69; ASSERT_ALIGNED_DOUBLE; tmp81 = tmp79 + tmp80; tmp82 = tmp61 + tmp68; tmp83 = K300462606 * (tmp81 - tmp82); tmp89 = tmp81 + tmp82; tmp58 = tmp52 + tmp57; tmp69 = tmp61 - (K500000000 * tmp68); tmp70 = tmp58 - tmp69; tmp85 = tmp58 + tmp69; } tmp137 = tmp135 - tmp136; tmp139 = K866025403 * (tmp75 + tmp74); tmp140 = tmp135 + (K500000000 * tmp136); tmp141 = tmp139 - tmp140; tmp146 = tmp139 + tmp140; { fftw_real tmp73; fftw_real tmp76; fftw_real tmp142; fftw_real tmp143; ASSERT_ALIGNED_DOUBLE; tmp73 = tmp71 - tmp72; tmp76 = tmp74 - tmp75; tmp77 = tmp73 - tmp76; tmp86 = tmp76 + tmp73; tmp142 = tmp52 - tmp57; tmp143 = K866025403 * (tmp67 - tmp64); tmp144 = tmp142 - tmp143; tmp147 = tmp142 + tmp143; } } c_re(output[0]) = tmp1 + tmp24; { fftw_real tmp163; fftw_real tmp173; fftw_real tmp127; fftw_real tmp169; fftw_real tmp153; fftw_real tmp132; fftw_real tmp138; fftw_real tmp149; fftw_real tmp160; fftw_real tmp172; fftw_real tmp154; fftw_real tmp157; fftw_real tmp158; fftw_real tmp170; fftw_real tmp161; fftw_real tmp162; ASSERT_ALIGNED_DOUBLE; tmp161 = (K113854479 * tmp121) - (K503537032 * tmp124); tmp162 = (K387390585 * tmp128) - (K265966249 * tmp129); tmp163 = tmp161 - tmp162; tmp173 = tmp162 + tmp161; { fftw_real tmp130; fftw_real tmp151; fftw_real tmp125; fftw_real tmp126; fftw_real tmp152; ASSERT_ALIGNED_DOUBLE; tmp130 = (K132983124 * tmp128) + (K258260390 * tmp129); tmp151 = tmp131 - tmp130; tmp125 = (K251768516 * tmp121) + (K075902986 * tmp124); tmp126 = tmp1 - (K083333333 * tmp24); tmp152 = tmp126 - tmp125; tmp127 = (K2_000000000 * tmp125) + tmp126; tmp169 = tmp152 - tmp151; tmp153 = tmp151 + tmp152; tmp132 = (K2_000000000 * tmp130) + tmp131; } { fftw_real tmp145; fftw_real tmp148; fftw_real tmp155; fftw_real tmp156; ASSERT_ALIGNED_DOUBLE; tmp138 = (K575140729 * tmp134) + (K174138601 * tmp137); tmp145 = (K011599105 * tmp141) + (K300238635 * tmp144); tmp148 = (K156891391 * tmp146) - (K256247671 * tmp147); tmp149 = tmp145 + tmp148; tmp160 = K1_732050807 * (tmp148 - tmp145); tmp172 = tmp149 - tmp138; tmp154 = (K174138601 * tmp134) - (K575140729 * tmp137); tmp155 = (K300238635 * tmp141) - (K011599105 * tmp144); tmp156 = (K256247671 * tmp146) + (K156891391 * tmp147); tmp157 = tmp155 + tmp156; tmp158 = tmp154 - tmp157; tmp170 = K1_732050807 * (tmp156 - tmp155); } { fftw_real tmp133; fftw_real tmp150; fftw_real tmp165; fftw_real tmp166; ASSERT_ALIGNED_DOUBLE; tmp133 = tmp127 - tmp132; tmp150 = tmp138 + (K2_000000000 * tmp149); c_re(output[8 * ostride]) = tmp133 - tmp150; c_re(output[5 * ostride]) = tmp133 + tmp150; { fftw_real tmp167; fftw_real tmp168; fftw_real tmp159; fftw_real tmp164; ASSERT_ALIGNED_DOUBLE; tmp167 = tmp132 + tmp127; tmp168 = tmp154 + (K2_000000000 * tmp157); c_re(output[12 * ostride]) = tmp167 - tmp168; c_re(output[ostride]) = tmp167 + tmp168; tmp159 = tmp153 - tmp158; tmp164 = tmp160 - tmp163; c_re(output[4 * ostride]) = tmp159 - tmp164; c_re(output[10 * ostride]) = tmp164 + tmp159; } tmp165 = tmp153 + tmp158; tmp166 = tmp163 + tmp160; c_re(output[3 * ostride]) = tmp165 - tmp166; c_re(output[9 * ostride]) = tmp166 + tmp165; { fftw_real tmp175; fftw_real tmp176; fftw_real tmp171; fftw_real tmp174; ASSERT_ALIGNED_DOUBLE; tmp175 = tmp169 + tmp170; tmp176 = tmp173 + tmp172; c_re(output[2 * ostride]) = tmp175 - tmp176; c_re(output[7 * ostride]) = tmp176 + tmp175; tmp171 = tmp169 - tmp170; tmp174 = tmp172 - tmp173; c_re(output[6 * ostride]) = tmp171 - tmp174; c_re(output[11 * ostride]) = tmp174 + tmp171; } } } c_im(output[0]) = tmp88 + tmp89; { fftw_real tmp102; fftw_real tmp115; fftw_real tmp84; fftw_real tmp112; fftw_real tmp106; fftw_real tmp91; fftw_real tmp31; fftw_real tmp46; fftw_real tmp107; fftw_real tmp111; fftw_real tmp94; fftw_real tmp97; fftw_real tmp99; fftw_real tmp114; fftw_real tmp100; fftw_real tmp101; ASSERT_ALIGNED_DOUBLE; tmp100 = (K387390585 * tmp77) + (K265966249 * tmp70); tmp101 = (K113854479 * tmp86) + (K503537032 * tmp85); tmp102 = tmp100 + tmp101; tmp115 = tmp100 - tmp101; { fftw_real tmp78; fftw_real tmp105; fftw_real tmp87; fftw_real tmp90; fftw_real tmp104; ASSERT_ALIGNED_DOUBLE; tmp78 = (K258260390 * tmp70) - (K132983124 * tmp77); tmp105 = tmp83 - tmp78; tmp87 = (K075902986 * tmp85) - (K251768516 * tmp86); tmp90 = tmp88 - (K083333333 * tmp89); tmp104 = tmp90 - tmp87; tmp84 = (K2_000000000 * tmp78) + tmp83; tmp112 = tmp105 + tmp104; tmp106 = tmp104 - tmp105; tmp91 = (K2_000000000 * tmp87) + tmp90; } { fftw_real tmp42; fftw_real tmp45; fftw_real tmp95; fftw_real tmp96; ASSERT_ALIGNED_DOUBLE; tmp31 = (K575140729 * tmp29) - (K174138601 * tmp30); tmp42 = (K300238635 * tmp36) + (K011599105 * tmp41); tmp45 = (K256247671 * tmp43) + (K156891391 * tmp44); tmp46 = tmp42 - tmp45; tmp107 = K1_732050807 * (tmp45 + tmp42); tmp111 = tmp31 - tmp46; tmp94 = (K575140729 * tmp30) + (K174138601 * tmp29); tmp95 = (K156891391 * tmp43) - (K256247671 * tmp44); tmp96 = (K300238635 * tmp41) - (K011599105 * tmp36); tmp97 = tmp95 + tmp96; tmp99 = tmp97 - tmp94; tmp114 = K1_732050807 * (tmp96 - tmp95); } { fftw_real tmp47; fftw_real tmp92; fftw_real tmp109; fftw_real tmp110; ASSERT_ALIGNED_DOUBLE; tmp47 = tmp31 + (K2_000000000 * tmp46); tmp92 = tmp84 + tmp91; c_im(output[ostride]) = tmp47 + tmp92; c_im(output[12 * ostride]) = tmp92 - tmp47; { fftw_real tmp93; fftw_real tmp98; fftw_real tmp103; fftw_real tmp108; ASSERT_ALIGNED_DOUBLE; tmp93 = tmp91 - tmp84; tmp98 = tmp94 + (K2_000000000 * tmp97); c_im(output[5 * ostride]) = tmp93 - tmp98; c_im(output[8 * ostride]) = tmp98 + tmp93; tmp103 = tmp99 + tmp102; tmp108 = tmp106 - tmp107; c_im(output[2 * ostride]) = tmp103 + tmp108; c_im(output[7 * ostride]) = tmp108 - tmp103; } tmp109 = tmp107 + tmp106; tmp110 = tmp102 - tmp99; c_im(output[6 * ostride]) = tmp109 - tmp110; c_im(output[11 * ostride]) = tmp110 + tmp109; { fftw_real tmp117; fftw_real tmp118; fftw_real tmp113; fftw_real tmp116; ASSERT_ALIGNED_DOUBLE; tmp117 = tmp112 - tmp111; tmp118 = tmp114 - tmp115; c_im(output[4 * ostride]) = tmp117 - tmp118; c_im(output[10 * ostride]) = tmp118 + tmp117; tmp113 = tmp111 + tmp112; tmp116 = tmp114 + tmp115; c_im(output[3 * ostride]) = tmp113 - tmp116; c_im(output[9 * ostride]) = tmp116 + tmp113; } } } } fftw_codelet_desc fftw_no_twiddle_13_desc = { "fftw_no_twiddle_13", (void (*)()) fftw_no_twiddle_13, 13, FFTW_FORWARD, FFTW_NOTW, 287, 0, (const int *) 0, };