/* * 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 02:06:10 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 -real2hc 32 */ /* * This function contains 156 FP additions, 42 FP multiplications, * (or, 140 additions, 26 multiplications, 16 fused multiply/add), * 46 stack variables, and 64 memory accesses */ static const fftw_real K195090322 = FFTW_KONST(+0.195090322016128267848284868477022240927691618); static const fftw_real K980785280 = FFTW_KONST(+0.980785280403230449126182236134239036973933731); static const fftw_real K555570233 = FFTW_KONST(+0.555570233019602224742830813948532874374937191); static const fftw_real K831469612 = FFTW_KONST(+0.831469612302545237078788377617905756738560812); 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: 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_real2hc_32(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) { fftw_real tmp7; fftw_real tmp135; fftw_real tmp31; fftw_real tmp83; fftw_real tmp14; fftw_real tmp148; fftw_real tmp34; fftw_real tmp82; fftw_real tmp123; fftw_real tmp143; fftw_real tmp71; fftw_real tmp99; fftw_real tmp126; fftw_real tmp144; fftw_real tmp76; fftw_real tmp100; fftw_real tmp22; fftw_real tmp136; fftw_real tmp38; fftw_real tmp80; fftw_real tmp29; fftw_real tmp137; fftw_real tmp41; fftw_real tmp79; fftw_real tmp116; fftw_real tmp140; fftw_real tmp54; fftw_real tmp96; fftw_real tmp119; fftw_real tmp141; fftw_real tmp59; fftw_real tmp97; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp1; fftw_real tmp2; fftw_real tmp3; fftw_real tmp4; fftw_real tmp5; fftw_real tmp6; ASSERT_ALIGNED_DOUBLE; tmp1 = input[0]; tmp2 = input[16 * istride]; tmp3 = tmp1 + tmp2; tmp4 = input[8 * istride]; tmp5 = input[24 * istride]; tmp6 = tmp4 + tmp5; tmp7 = tmp3 + tmp6; tmp135 = tmp3 - tmp6; tmp31 = tmp1 - tmp2; tmp83 = tmp4 - tmp5; } { fftw_real tmp10; fftw_real tmp32; fftw_real tmp13; fftw_real tmp33; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp8; fftw_real tmp9; fftw_real tmp11; fftw_real tmp12; ASSERT_ALIGNED_DOUBLE; tmp8 = input[4 * istride]; tmp9 = input[20 * istride]; tmp10 = tmp8 + tmp9; tmp32 = tmp8 - tmp9; tmp11 = input[28 * istride]; tmp12 = input[12 * istride]; tmp13 = tmp11 + tmp12; tmp33 = tmp11 - tmp12; } tmp14 = tmp10 + tmp13; tmp148 = tmp13 - tmp10; tmp34 = K707106781 * (tmp32 + tmp33); tmp82 = K707106781 * (tmp33 - tmp32); } { fftw_real tmp63; fftw_real tmp121; fftw_real tmp75; fftw_real tmp122; fftw_real tmp66; fftw_real tmp124; fftw_real tmp69; fftw_real tmp125; fftw_real tmp70; fftw_real tmp72; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp61; fftw_real tmp62; fftw_real tmp73; fftw_real tmp74; ASSERT_ALIGNED_DOUBLE; tmp61 = input[31 * istride]; tmp62 = input[15 * istride]; tmp63 = tmp61 - tmp62; tmp121 = tmp61 + tmp62; tmp73 = input[7 * istride]; tmp74 = input[23 * istride]; tmp75 = tmp73 - tmp74; tmp122 = tmp73 + tmp74; } { fftw_real tmp64; fftw_real tmp65; fftw_real tmp67; fftw_real tmp68; ASSERT_ALIGNED_DOUBLE; tmp64 = input[3 * istride]; tmp65 = input[19 * istride]; tmp66 = tmp64 - tmp65; tmp124 = tmp64 + tmp65; tmp67 = input[27 * istride]; tmp68 = input[11 * istride]; tmp69 = tmp67 - tmp68; tmp125 = tmp67 + tmp68; } tmp123 = tmp121 + tmp122; tmp143 = tmp121 - tmp122; tmp70 = K707106781 * (tmp66 + tmp69); tmp71 = tmp63 + tmp70; tmp99 = tmp63 - tmp70; tmp126 = tmp124 + tmp125; tmp144 = tmp125 - tmp124; tmp72 = K707106781 * (tmp69 - tmp66); tmp76 = tmp72 - tmp75; tmp100 = tmp75 + tmp72; } { fftw_real tmp18; fftw_real tmp36; fftw_real tmp21; fftw_real tmp37; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp16; fftw_real tmp17; fftw_real tmp19; fftw_real tmp20; ASSERT_ALIGNED_DOUBLE; tmp16 = input[2 * istride]; tmp17 = input[18 * istride]; tmp18 = tmp16 + tmp17; tmp36 = tmp16 - tmp17; tmp19 = input[10 * istride]; tmp20 = input[26 * istride]; tmp21 = tmp19 + tmp20; tmp37 = tmp19 - tmp20; } tmp22 = tmp18 + tmp21; tmp136 = tmp18 - tmp21; tmp38 = (K923879532 * tmp36) - (K382683432 * tmp37); tmp80 = (K382683432 * tmp36) + (K923879532 * tmp37); } { fftw_real tmp25; fftw_real tmp39; fftw_real tmp28; fftw_real tmp40; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp23; fftw_real tmp24; fftw_real tmp26; fftw_real tmp27; ASSERT_ALIGNED_DOUBLE; tmp23 = input[30 * istride]; tmp24 = input[14 * istride]; tmp25 = tmp23 + tmp24; tmp39 = tmp23 - tmp24; tmp26 = input[6 * istride]; tmp27 = input[22 * istride]; tmp28 = tmp26 + tmp27; tmp40 = tmp26 - tmp27; } tmp29 = tmp25 + tmp28; tmp137 = tmp25 - tmp28; tmp41 = (K923879532 * tmp39) + (K382683432 * tmp40); tmp79 = (K382683432 * tmp39) - (K923879532 * tmp40); } { fftw_real tmp46; fftw_real tmp114; fftw_real tmp58; fftw_real tmp115; fftw_real tmp49; fftw_real tmp117; fftw_real tmp52; fftw_real tmp118; fftw_real tmp53; fftw_real tmp55; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp44; fftw_real tmp45; fftw_real tmp56; fftw_real tmp57; ASSERT_ALIGNED_DOUBLE; tmp44 = input[istride]; tmp45 = input[17 * istride]; tmp46 = tmp44 - tmp45; tmp114 = tmp44 + tmp45; tmp56 = input[9 * istride]; tmp57 = input[25 * istride]; tmp58 = tmp56 - tmp57; tmp115 = tmp56 + tmp57; } { fftw_real tmp47; fftw_real tmp48; fftw_real tmp50; fftw_real tmp51; ASSERT_ALIGNED_DOUBLE; tmp47 = input[5 * istride]; tmp48 = input[21 * istride]; tmp49 = tmp47 - tmp48; tmp117 = tmp47 + tmp48; tmp50 = input[29 * istride]; tmp51 = input[13 * istride]; tmp52 = tmp50 - tmp51; tmp118 = tmp50 + tmp51; } tmp116 = tmp114 + tmp115; tmp140 = tmp114 - tmp115; tmp53 = K707106781 * (tmp49 + tmp52); tmp54 = tmp46 + tmp53; tmp96 = tmp46 - tmp53; tmp119 = tmp117 + tmp118; tmp141 = tmp118 - tmp117; tmp55 = K707106781 * (tmp52 - tmp49); tmp59 = tmp55 - tmp58; tmp97 = tmp58 + tmp55; } { fftw_real tmp15; fftw_real tmp30; fftw_real tmp131; fftw_real tmp132; fftw_real tmp133; fftw_real tmp134; ASSERT_ALIGNED_DOUBLE; tmp15 = tmp7 + tmp14; tmp30 = tmp22 + tmp29; tmp131 = tmp15 + tmp30; tmp132 = tmp116 + tmp119; tmp133 = tmp123 + tmp126; tmp134 = tmp132 + tmp133; real_output[8 * real_ostride] = tmp15 - tmp30; imag_output[8 * imag_ostride] = tmp133 - tmp132; real_output[16 * real_ostride] = tmp131 - tmp134; real_output[0] = tmp131 + tmp134; } { fftw_real tmp113; fftw_real tmp129; fftw_real tmp128; fftw_real tmp130; fftw_real tmp120; fftw_real tmp127; ASSERT_ALIGNED_DOUBLE; tmp113 = tmp7 - tmp14; tmp129 = tmp29 - tmp22; tmp120 = tmp116 - tmp119; tmp127 = tmp123 - tmp126; tmp128 = K707106781 * (tmp120 + tmp127); tmp130 = K707106781 * (tmp127 - tmp120); real_output[12 * real_ostride] = tmp113 - tmp128; real_output[4 * real_ostride] = tmp113 + tmp128; imag_output[4 * imag_ostride] = tmp129 + tmp130; imag_output[12 * imag_ostride] = tmp130 - tmp129; } { fftw_real tmp139; fftw_real tmp155; fftw_real tmp149; fftw_real tmp151; fftw_real tmp146; fftw_real tmp150; fftw_real tmp154; fftw_real tmp156; fftw_real tmp138; fftw_real tmp147; ASSERT_ALIGNED_DOUBLE; tmp138 = K707106781 * (tmp136 + tmp137); tmp139 = tmp135 + tmp138; tmp155 = tmp135 - tmp138; tmp147 = K707106781 * (tmp137 - tmp136); tmp149 = tmp147 - tmp148; tmp151 = tmp148 + tmp147; { fftw_real tmp142; fftw_real tmp145; fftw_real tmp152; fftw_real tmp153; ASSERT_ALIGNED_DOUBLE; tmp142 = (K923879532 * tmp140) + (K382683432 * tmp141); tmp145 = (K923879532 * tmp143) - (K382683432 * tmp144); tmp146 = tmp142 + tmp145; tmp150 = tmp145 - tmp142; tmp152 = (K923879532 * tmp141) - (K382683432 * tmp140); tmp153 = (K382683432 * tmp143) + (K923879532 * tmp144); tmp154 = tmp152 + tmp153; tmp156 = tmp153 - tmp152; } real_output[14 * real_ostride] = tmp139 - tmp146; real_output[2 * real_ostride] = tmp139 + tmp146; imag_output[6 * imag_ostride] = tmp149 + tmp150; imag_output[10 * imag_ostride] = tmp150 - tmp149; imag_output[2 * imag_ostride] = tmp151 + tmp154; imag_output[14 * imag_ostride] = tmp154 - tmp151; real_output[10 * real_ostride] = tmp155 - tmp156; real_output[6 * real_ostride] = tmp155 + tmp156; } { fftw_real tmp95; fftw_real tmp111; fftw_real tmp110; fftw_real tmp112; fftw_real tmp102; fftw_real tmp106; fftw_real tmp105; fftw_real tmp107; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp93; fftw_real tmp94; fftw_real tmp108; fftw_real tmp109; ASSERT_ALIGNED_DOUBLE; tmp93 = tmp31 - tmp34; tmp94 = tmp80 + tmp79; tmp95 = tmp93 + tmp94; tmp111 = tmp93 - tmp94; tmp108 = (K831469612 * tmp97) - (K555570233 * tmp96); tmp109 = (K555570233 * tmp99) + (K831469612 * tmp100); tmp110 = tmp108 + tmp109; tmp112 = tmp109 - tmp108; } { fftw_real tmp98; fftw_real tmp101; fftw_real tmp103; fftw_real tmp104; ASSERT_ALIGNED_DOUBLE; tmp98 = (K831469612 * tmp96) + (K555570233 * tmp97); tmp101 = (K831469612 * tmp99) - (K555570233 * tmp100); tmp102 = tmp98 + tmp101; tmp106 = tmp101 - tmp98; tmp103 = tmp41 - tmp38; tmp104 = tmp83 + tmp82; tmp105 = tmp103 - tmp104; tmp107 = tmp104 + tmp103; } real_output[13 * real_ostride] = tmp95 - tmp102; real_output[3 * real_ostride] = tmp95 + tmp102; imag_output[5 * imag_ostride] = tmp105 + tmp106; imag_output[11 * imag_ostride] = tmp106 - tmp105; imag_output[3 * imag_ostride] = tmp107 + tmp110; imag_output[13 * imag_ostride] = tmp110 - tmp107; real_output[11 * real_ostride] = tmp111 - tmp112; real_output[5 * real_ostride] = tmp111 + tmp112; } { fftw_real tmp43; fftw_real tmp91; fftw_real tmp90; fftw_real tmp92; fftw_real tmp78; fftw_real tmp86; fftw_real tmp85; fftw_real tmp87; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp35; fftw_real tmp42; fftw_real tmp88; fftw_real tmp89; ASSERT_ALIGNED_DOUBLE; tmp35 = tmp31 + tmp34; tmp42 = tmp38 + tmp41; tmp43 = tmp35 + tmp42; tmp91 = tmp35 - tmp42; tmp88 = (K980785280 * tmp59) - (K195090322 * tmp54); tmp89 = (K195090322 * tmp71) + (K980785280 * tmp76); tmp90 = tmp88 + tmp89; tmp92 = tmp89 - tmp88; } { fftw_real tmp60; fftw_real tmp77; fftw_real tmp81; fftw_real tmp84; ASSERT_ALIGNED_DOUBLE; tmp60 = (K980785280 * tmp54) + (K195090322 * tmp59); tmp77 = (K980785280 * tmp71) - (K195090322 * tmp76); tmp78 = tmp60 + tmp77; tmp86 = tmp77 - tmp60; tmp81 = tmp79 - tmp80; tmp84 = tmp82 - tmp83; tmp85 = tmp81 - tmp84; tmp87 = tmp84 + tmp81; } real_output[15 * real_ostride] = tmp43 - tmp78; real_output[real_ostride] = tmp43 + tmp78; imag_output[7 * imag_ostride] = tmp85 + tmp86; imag_output[9 * imag_ostride] = tmp86 - tmp85; imag_output[imag_ostride] = tmp87 + tmp90; imag_output[15 * imag_ostride] = tmp90 - tmp87; real_output[9 * real_ostride] = tmp91 - tmp92; real_output[7 * real_ostride] = tmp91 + tmp92; } } fftw_codelet_desc fftw_real2hc_32_desc = { "fftw_real2hc_32", (void (*)()) fftw_real2hc_32, 32, FFTW_FORWARD, FFTW_REAL2HC, 706, 0, (const int *) 0, };