/* * 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 20:44:27 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 32 */ /* * This function contains 156 FP additions, 54 FP multiplications, * (or, 140 additions, 38 multiplications, 16 fused multiply/add), * 44 stack variables, and 64 memory accesses */ static const fftw_real K765366864 = FFTW_KONST(+0.765366864730179543456919968060797733522689125); static const fftw_real K1_847759065 = FFTW_KONST(+1.847759065022573512256366378793576573644833252); static const fftw_real K555570233 = FFTW_KONST(+0.555570233019602224742830813948532874374937191); static const fftw_real K831469612 = FFTW_KONST(+0.831469612302545237078788377617905756738560812); static const fftw_real K195090322 = FFTW_KONST(+0.195090322016128267848284868477022240927691618); static const fftw_real K980785280 = FFTW_KONST(+0.980785280403230449126182236134239036973933731); 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 1.41 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_hc2real_32(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride) { fftw_real tmp9; fftw_real tmp134; fftw_real tmp96; fftw_real tmp37; fftw_real tmp32; fftw_real tmp58; fftw_real tmp56; fftw_real tmp80; fftw_real tmp145; fftw_real tmp149; fftw_real tmp119; fftw_real tmp123; fftw_real tmp6; fftw_real tmp34; fftw_real tmp93; fftw_real tmp133; fftw_real tmp17; fftw_real tmp39; fftw_real tmp46; fftw_real tmp83; fftw_real tmp100; fftw_real tmp136; fftw_real tmp103; fftw_real tmp137; fftw_real tmp25; fftw_real tmp49; fftw_real tmp65; fftw_real tmp79; fftw_real tmp142; fftw_real tmp148; fftw_real tmp112; fftw_real tmp122; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp7; fftw_real tmp8; fftw_real tmp94; fftw_real tmp35; fftw_real tmp36; fftw_real tmp95; ASSERT_ALIGNED_DOUBLE; tmp7 = real_input[4 * real_istride]; tmp8 = real_input[12 * real_istride]; tmp94 = tmp7 - tmp8; tmp35 = imag_input[4 * imag_istride]; tmp36 = imag_input[12 * imag_istride]; tmp95 = tmp36 + tmp35; tmp9 = K2_000000000 * (tmp7 + tmp8); tmp134 = K1_414213562 * (tmp94 + tmp95); tmp96 = K1_414213562 * (tmp94 - tmp95); tmp37 = K2_000000000 * (tmp35 - tmp36); } { fftw_real tmp28; fftw_real tmp113; fftw_real tmp55; fftw_real tmp117; fftw_real tmp31; fftw_real tmp116; fftw_real tmp52; fftw_real tmp114; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp26; fftw_real tmp27; fftw_real tmp53; fftw_real tmp54; ASSERT_ALIGNED_DOUBLE; tmp26 = real_input[3 * real_istride]; tmp27 = real_input[13 * real_istride]; tmp28 = tmp26 + tmp27; tmp113 = tmp26 - tmp27; tmp53 = imag_input[3 * imag_istride]; tmp54 = imag_input[13 * imag_istride]; tmp55 = tmp53 - tmp54; tmp117 = tmp53 + tmp54; } { fftw_real tmp29; fftw_real tmp30; fftw_real tmp50; fftw_real tmp51; ASSERT_ALIGNED_DOUBLE; tmp29 = real_input[5 * real_istride]; tmp30 = real_input[11 * real_istride]; tmp31 = tmp29 + tmp30; tmp116 = tmp30 - tmp29; tmp50 = imag_input[5 * imag_istride]; tmp51 = imag_input[11 * imag_istride]; tmp52 = tmp50 - tmp51; tmp114 = tmp51 + tmp50; } tmp32 = tmp28 + tmp31; tmp58 = tmp31 - tmp28; tmp56 = tmp52 + tmp55; tmp80 = tmp55 - tmp52; { fftw_real tmp143; fftw_real tmp144; fftw_real tmp115; fftw_real tmp118; ASSERT_ALIGNED_DOUBLE; tmp143 = tmp113 + tmp114; tmp144 = tmp117 - tmp116; tmp145 = (K980785280 * tmp143) - (K195090322 * tmp144); tmp149 = (K195090322 * tmp143) + (K980785280 * tmp144); tmp115 = tmp113 - tmp114; tmp118 = tmp116 + tmp117; tmp119 = (K831469612 * tmp115) - (K555570233 * tmp118); tmp123 = (K555570233 * tmp115) + (K831469612 * tmp118); } } { fftw_real tmp5; fftw_real tmp92; fftw_real tmp3; fftw_real tmp90; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp4; fftw_real tmp91; fftw_real tmp1; fftw_real tmp2; ASSERT_ALIGNED_DOUBLE; tmp4 = real_input[8 * real_istride]; tmp5 = K2_000000000 * tmp4; tmp91 = imag_input[8 * imag_istride]; tmp92 = K2_000000000 * tmp91; tmp1 = real_input[0]; tmp2 = real_input[16 * real_istride]; tmp3 = tmp1 + tmp2; tmp90 = tmp1 - tmp2; } tmp6 = tmp3 + tmp5; tmp34 = tmp3 - tmp5; tmp93 = tmp90 - tmp92; tmp133 = tmp90 + tmp92; } { fftw_real tmp13; fftw_real tmp98; fftw_real tmp45; fftw_real tmp102; fftw_real tmp16; fftw_real tmp101; fftw_real tmp42; fftw_real tmp99; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp11; fftw_real tmp12; fftw_real tmp43; fftw_real tmp44; ASSERT_ALIGNED_DOUBLE; tmp11 = real_input[2 * real_istride]; tmp12 = real_input[14 * real_istride]; tmp13 = tmp11 + tmp12; tmp98 = tmp11 - tmp12; tmp43 = imag_input[2 * imag_istride]; tmp44 = imag_input[14 * imag_istride]; tmp45 = tmp43 - tmp44; tmp102 = tmp43 + tmp44; } { fftw_real tmp14; fftw_real tmp15; fftw_real tmp40; fftw_real tmp41; ASSERT_ALIGNED_DOUBLE; tmp14 = real_input[6 * real_istride]; tmp15 = real_input[10 * real_istride]; tmp16 = tmp14 + tmp15; tmp101 = tmp15 - tmp14; tmp40 = imag_input[6 * imag_istride]; tmp41 = imag_input[10 * imag_istride]; tmp42 = tmp40 - tmp41; tmp99 = tmp41 + tmp40; } tmp17 = K2_000000000 * (tmp13 + tmp16); tmp39 = tmp13 - tmp16; tmp46 = tmp42 + tmp45; tmp83 = K2_000000000 * (tmp45 - tmp42); tmp100 = tmp98 - tmp99; tmp136 = tmp98 + tmp99; tmp103 = tmp101 + tmp102; tmp137 = tmp102 - tmp101; } { fftw_real tmp21; fftw_real tmp106; fftw_real tmp64; fftw_real tmp110; fftw_real tmp24; fftw_real tmp109; fftw_real tmp61; fftw_real tmp107; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp19; fftw_real tmp20; fftw_real tmp62; fftw_real tmp63; ASSERT_ALIGNED_DOUBLE; tmp19 = real_input[real_istride]; tmp20 = real_input[15 * real_istride]; tmp21 = tmp19 + tmp20; tmp106 = tmp19 - tmp20; tmp62 = imag_input[imag_istride]; tmp63 = imag_input[15 * imag_istride]; tmp64 = tmp62 - tmp63; tmp110 = tmp62 + tmp63; } { fftw_real tmp22; fftw_real tmp23; fftw_real tmp59; fftw_real tmp60; ASSERT_ALIGNED_DOUBLE; tmp22 = real_input[7 * real_istride]; tmp23 = real_input[9 * real_istride]; tmp24 = tmp22 + tmp23; tmp109 = tmp23 - tmp22; tmp59 = imag_input[7 * imag_istride]; tmp60 = imag_input[9 * imag_istride]; tmp61 = tmp59 - tmp60; tmp107 = tmp60 + tmp59; } tmp25 = tmp21 + tmp24; tmp49 = tmp21 - tmp24; tmp65 = tmp61 + tmp64; tmp79 = tmp64 - tmp61; { fftw_real tmp140; fftw_real tmp141; fftw_real tmp108; fftw_real tmp111; ASSERT_ALIGNED_DOUBLE; tmp140 = tmp106 + tmp107; tmp141 = tmp110 - tmp109; tmp142 = (K555570233 * tmp140) + (K831469612 * tmp141); tmp148 = (K831469612 * tmp140) - (K555570233 * tmp141); tmp108 = tmp106 - tmp107; tmp111 = tmp109 + tmp110; tmp112 = (K980785280 * tmp108) - (K195090322 * tmp111); tmp122 = (K195090322 * tmp108) + (K980785280 * tmp111); } } { fftw_real tmp33; fftw_real tmp81; fftw_real tmp18; fftw_real tmp78; fftw_real tmp10; ASSERT_ALIGNED_DOUBLE; tmp33 = K2_000000000 * (tmp25 + tmp32); tmp81 = K2_000000000 * (tmp79 - tmp80); tmp10 = tmp6 + tmp9; tmp18 = tmp10 + tmp17; tmp78 = tmp10 - tmp17; output[16 * ostride] = tmp18 - tmp33; output[0] = tmp18 + tmp33; output[8 * ostride] = tmp78 - tmp81; output[24 * ostride] = tmp78 + tmp81; } { fftw_real tmp84; fftw_real tmp88; fftw_real tmp87; fftw_real tmp89; fftw_real tmp82; fftw_real tmp85; fftw_real tmp86; ASSERT_ALIGNED_DOUBLE; tmp82 = tmp6 - tmp9; tmp84 = tmp82 - tmp83; tmp88 = tmp82 + tmp83; tmp85 = tmp25 - tmp32; tmp86 = tmp79 + tmp80; tmp87 = K1_414213562 * (tmp85 - tmp86); tmp89 = K1_414213562 * (tmp85 + tmp86); output[20 * ostride] = tmp84 - tmp87; output[4 * ostride] = tmp84 + tmp87; output[12 * ostride] = tmp88 - tmp89; output[28 * ostride] = tmp88 + tmp89; } { fftw_real tmp48; fftw_real tmp68; fftw_real tmp67; fftw_real tmp69; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp38; fftw_real tmp47; fftw_real tmp57; fftw_real tmp66; ASSERT_ALIGNED_DOUBLE; tmp38 = tmp34 - tmp37; tmp47 = K1_414213562 * (tmp39 - tmp46); tmp48 = tmp38 + tmp47; tmp68 = tmp38 - tmp47; tmp57 = tmp49 - tmp56; tmp66 = tmp58 + tmp65; tmp67 = (K1_847759065 * tmp57) - (K765366864 * tmp66); tmp69 = (K1_847759065 * tmp66) + (K765366864 * tmp57); } output[18 * ostride] = tmp48 - tmp67; output[2 * ostride] = tmp48 + tmp67; output[10 * ostride] = tmp68 - tmp69; output[26 * ostride] = tmp68 + tmp69; } { fftw_real tmp72; fftw_real tmp76; fftw_real tmp75; fftw_real tmp77; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp70; fftw_real tmp71; fftw_real tmp73; fftw_real tmp74; ASSERT_ALIGNED_DOUBLE; tmp70 = tmp34 + tmp37; tmp71 = K1_414213562 * (tmp39 + tmp46); tmp72 = tmp70 - tmp71; tmp76 = tmp70 + tmp71; tmp73 = tmp49 + tmp56; tmp74 = tmp65 - tmp58; tmp75 = (K765366864 * tmp73) - (K1_847759065 * tmp74); tmp77 = (K765366864 * tmp74) + (K1_847759065 * tmp73); } output[22 * ostride] = tmp72 - tmp75; output[6 * ostride] = tmp72 + tmp75; output[14 * ostride] = tmp76 - tmp77; output[30 * ostride] = tmp76 + tmp77; } { fftw_real tmp120; fftw_real tmp124; fftw_real tmp105; fftw_real tmp121; fftw_real tmp97; fftw_real tmp104; ASSERT_ALIGNED_DOUBLE; tmp120 = K2_000000000 * (tmp112 + tmp119); tmp124 = K2_000000000 * (tmp122 - tmp123); tmp97 = tmp93 + tmp96; tmp104 = (K1_847759065 * tmp100) - (K765366864 * tmp103); tmp105 = tmp97 + tmp104; tmp121 = tmp97 - tmp104; output[17 * ostride] = tmp105 - tmp120; output[ostride] = tmp105 + tmp120; output[9 * ostride] = tmp121 - tmp124; output[25 * ostride] = tmp121 + tmp124; } { fftw_real tmp127; fftw_real tmp131; fftw_real tmp130; fftw_real tmp132; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp125; fftw_real tmp126; fftw_real tmp128; fftw_real tmp129; ASSERT_ALIGNED_DOUBLE; tmp125 = tmp93 - tmp96; tmp126 = (K765366864 * tmp100) + (K1_847759065 * tmp103); tmp127 = tmp125 - tmp126; tmp131 = tmp125 + tmp126; tmp128 = tmp112 - tmp119; tmp129 = tmp122 + tmp123; tmp130 = K1_414213562 * (tmp128 - tmp129); tmp132 = K1_414213562 * (tmp128 + tmp129); } output[21 * ostride] = tmp127 - tmp130; output[5 * ostride] = tmp127 + tmp130; output[13 * ostride] = tmp131 - tmp132; output[29 * ostride] = tmp131 + tmp132; } { fftw_real tmp146; fftw_real tmp150; fftw_real tmp139; fftw_real tmp147; fftw_real tmp135; fftw_real tmp138; ASSERT_ALIGNED_DOUBLE; tmp146 = K2_000000000 * (tmp142 - tmp145); tmp150 = K2_000000000 * (tmp148 - tmp149); tmp135 = tmp133 - tmp134; tmp138 = (K765366864 * tmp136) - (K1_847759065 * tmp137); tmp139 = tmp135 - tmp138; tmp147 = tmp135 + tmp138; output[11 * ostride] = tmp139 - tmp146; output[27 * ostride] = tmp139 + tmp146; output[19 * ostride] = tmp147 - tmp150; output[3 * ostride] = tmp147 + tmp150; } { fftw_real tmp153; fftw_real tmp157; fftw_real tmp156; fftw_real tmp158; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp151; fftw_real tmp152; fftw_real tmp154; fftw_real tmp155; ASSERT_ALIGNED_DOUBLE; tmp151 = tmp133 + tmp134; tmp152 = (K1_847759065 * tmp136) + (K765366864 * tmp137); tmp153 = tmp151 - tmp152; tmp157 = tmp151 + tmp152; tmp154 = tmp148 + tmp149; tmp155 = tmp142 + tmp145; tmp156 = K1_414213562 * (tmp154 - tmp155); tmp158 = K1_414213562 * (tmp155 + tmp154); } output[23 * ostride] = tmp153 - tmp156; output[7 * ostride] = tmp153 + tmp156; output[15 * ostride] = tmp157 - tmp158; output[31 * ostride] = tmp157 + tmp158; } } fftw_codelet_desc fftw_hc2real_32_desc = { "fftw_hc2real_32", (void (*)()) fftw_hc2real_32, 32, FFTW_BACKWARD, FFTW_HC2REAL, 719, 0, (const int *) 0, };