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| Rev | Author | Line No. | Line |
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| 2 | pj | 1 | /* |
| 2 | * Copyright (c) 1997-1999 Massachusetts Institute of Technology |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License as published by |
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| 6 | * the Free Software Foundation; either version 2 of the License, or |
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| 7 | * (at your option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | * GNU General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License |
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| 15 | * along with this program; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | * |
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| 18 | */ |
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| 19 | |||
| 20 | /* This file was automatically generated --- DO NOT EDIT */ |
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| 21 | /* Generated on Tue May 18 13:54:39 EDT 1999 */ |
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| 22 | |||
| 107 | pj | 23 | #include <fftw-int.h> |
| 24 | #include <fftw.h> |
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| 2 | pj | 25 | |
| 26 | /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 32 */ |
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| 27 | |||
| 28 | /* |
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| 29 | * This function contains 156 FP additions, 42 FP multiplications, |
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| 30 | * (or, 140 additions, 26 multiplications, 16 fused multiply/add), |
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| 31 | * 46 stack variables, and 64 memory accesses |
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| 32 | */ |
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| 33 | static const fftw_real K195090322 = FFTW_KONST(+0.195090322016128267848284868477022240927691618); |
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| 34 | static const fftw_real K980785280 = FFTW_KONST(+0.980785280403230449126182236134239036973933731); |
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| 35 | static const fftw_real K555570233 = FFTW_KONST(+0.555570233019602224742830813948532874374937191); |
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| 36 | static const fftw_real K831469612 = FFTW_KONST(+0.831469612302545237078788377617905756738560812); |
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| 37 | static const fftw_real K382683432 = FFTW_KONST(+0.382683432365089771728459984030398866761344562); |
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| 38 | static const fftw_real K923879532 = FFTW_KONST(+0.923879532511286756128183189396788286822416626); |
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| 39 | static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938); |
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| 40 | |||
| 41 | /* |
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| 42 | * Generator Id's : |
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| 107 | pj | 43 | * $Id: frc_32.c,v 1.2 2003-03-24 11:14:59 pj Exp $ |
| 44 | * $Id: frc_32.c,v 1.2 2003-03-24 11:14:59 pj Exp $ |
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| 45 | * $Id: frc_32.c,v 1.2 2003-03-24 11:14:59 pj Exp $ |
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| 2 | pj | 46 | */ |
| 47 | |||
| 48 | void fftw_real2hc_32(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) |
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| 49 | { |
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| 50 | fftw_real tmp7; |
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| 51 | fftw_real tmp135; |
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| 52 | fftw_real tmp31; |
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| 53 | fftw_real tmp83; |
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| 54 | fftw_real tmp14; |
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| 55 | fftw_real tmp148; |
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| 56 | fftw_real tmp34; |
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| 57 | fftw_real tmp82; |
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| 58 | fftw_real tmp123; |
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| 59 | fftw_real tmp143; |
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| 60 | fftw_real tmp71; |
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| 61 | fftw_real tmp99; |
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| 62 | fftw_real tmp126; |
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| 63 | fftw_real tmp144; |
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| 64 | fftw_real tmp76; |
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| 65 | fftw_real tmp100; |
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| 66 | fftw_real tmp22; |
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| 67 | fftw_real tmp136; |
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| 68 | fftw_real tmp38; |
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| 69 | fftw_real tmp80; |
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| 70 | fftw_real tmp29; |
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| 71 | fftw_real tmp137; |
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| 72 | fftw_real tmp41; |
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| 73 | fftw_real tmp79; |
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| 74 | fftw_real tmp116; |
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| 75 | fftw_real tmp140; |
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| 76 | fftw_real tmp54; |
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| 77 | fftw_real tmp96; |
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| 78 | fftw_real tmp119; |
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| 79 | fftw_real tmp141; |
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| 80 | fftw_real tmp59; |
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| 81 | fftw_real tmp97; |
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| 82 | ASSERT_ALIGNED_DOUBLE(); |
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| 83 | { |
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| 84 | fftw_real tmp1; |
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| 85 | fftw_real tmp2; |
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| 86 | fftw_real tmp3; |
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| 87 | fftw_real tmp4; |
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| 88 | fftw_real tmp5; |
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| 89 | fftw_real tmp6; |
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| 90 | ASSERT_ALIGNED_DOUBLE(); |
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| 91 | tmp1 = input[0]; |
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| 92 | tmp2 = input[16 * istride]; |
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| 93 | tmp3 = tmp1 + tmp2; |
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| 94 | tmp4 = input[8 * istride]; |
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| 95 | tmp5 = input[24 * istride]; |
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| 96 | tmp6 = tmp4 + tmp5; |
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| 97 | tmp7 = tmp3 + tmp6; |
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| 98 | tmp135 = tmp3 - tmp6; |
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| 99 | tmp31 = tmp1 - tmp2; |
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| 100 | tmp83 = tmp4 - tmp5; |
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| 101 | } |
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| 102 | { |
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| 103 | fftw_real tmp10; |
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| 104 | fftw_real tmp32; |
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| 105 | fftw_real tmp13; |
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| 106 | fftw_real tmp33; |
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| 107 | ASSERT_ALIGNED_DOUBLE(); |
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| 108 | { |
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| 109 | fftw_real tmp8; |
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| 110 | fftw_real tmp9; |
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| 111 | fftw_real tmp11; |
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| 112 | fftw_real tmp12; |
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| 113 | ASSERT_ALIGNED_DOUBLE(); |
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| 114 | tmp8 = input[4 * istride]; |
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| 115 | tmp9 = input[20 * istride]; |
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| 116 | tmp10 = tmp8 + tmp9; |
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| 117 | tmp32 = tmp8 - tmp9; |
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| 118 | tmp11 = input[28 * istride]; |
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| 119 | tmp12 = input[12 * istride]; |
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| 120 | tmp13 = tmp11 + tmp12; |
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| 121 | tmp33 = tmp11 - tmp12; |
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| 122 | } |
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| 123 | tmp14 = tmp10 + tmp13; |
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| 124 | tmp148 = tmp13 - tmp10; |
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| 125 | tmp34 = K707106781 * (tmp32 + tmp33); |
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| 126 | tmp82 = K707106781 * (tmp33 - tmp32); |
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| 127 | } |
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| 128 | { |
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| 129 | fftw_real tmp63; |
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| 130 | fftw_real tmp121; |
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| 131 | fftw_real tmp75; |
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| 132 | fftw_real tmp122; |
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| 133 | fftw_real tmp66; |
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| 134 | fftw_real tmp124; |
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| 135 | fftw_real tmp69; |
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| 136 | fftw_real tmp125; |
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| 137 | fftw_real tmp70; |
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| 138 | fftw_real tmp72; |
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| 139 | ASSERT_ALIGNED_DOUBLE(); |
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| 140 | { |
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| 141 | fftw_real tmp61; |
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| 142 | fftw_real tmp62; |
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| 143 | fftw_real tmp73; |
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| 144 | fftw_real tmp74; |
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| 145 | ASSERT_ALIGNED_DOUBLE(); |
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| 146 | tmp61 = input[31 * istride]; |
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| 147 | tmp62 = input[15 * istride]; |
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| 148 | tmp63 = tmp61 - tmp62; |
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| 149 | tmp121 = tmp61 + tmp62; |
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| 150 | tmp73 = input[7 * istride]; |
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| 151 | tmp74 = input[23 * istride]; |
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| 152 | tmp75 = tmp73 - tmp74; |
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| 153 | tmp122 = tmp73 + tmp74; |
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| 154 | } |
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| 155 | { |
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| 156 | fftw_real tmp64; |
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| 157 | fftw_real tmp65; |
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| 158 | fftw_real tmp67; |
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| 159 | fftw_real tmp68; |
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| 160 | ASSERT_ALIGNED_DOUBLE(); |
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| 161 | tmp64 = input[3 * istride]; |
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| 162 | tmp65 = input[19 * istride]; |
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| 163 | tmp66 = tmp64 - tmp65; |
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| 164 | tmp124 = tmp64 + tmp65; |
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| 165 | tmp67 = input[27 * istride]; |
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| 166 | tmp68 = input[11 * istride]; |
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| 167 | tmp69 = tmp67 - tmp68; |
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| 168 | tmp125 = tmp67 + tmp68; |
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| 169 | } |
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| 170 | tmp123 = tmp121 + tmp122; |
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| 171 | tmp143 = tmp121 - tmp122; |
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| 172 | tmp70 = K707106781 * (tmp66 + tmp69); |
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| 173 | tmp71 = tmp63 + tmp70; |
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| 174 | tmp99 = tmp63 - tmp70; |
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| 175 | tmp126 = tmp124 + tmp125; |
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| 176 | tmp144 = tmp125 - tmp124; |
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| 177 | tmp72 = K707106781 * (tmp69 - tmp66); |
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| 178 | tmp76 = tmp72 - tmp75; |
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| 179 | tmp100 = tmp75 + tmp72; |
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| 180 | } |
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| 181 | { |
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| 182 | fftw_real tmp18; |
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| 183 | fftw_real tmp36; |
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| 184 | fftw_real tmp21; |
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| 185 | fftw_real tmp37; |
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| 186 | ASSERT_ALIGNED_DOUBLE(); |
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| 187 | { |
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| 188 | fftw_real tmp16; |
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| 189 | fftw_real tmp17; |
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| 190 | fftw_real tmp19; |
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| 191 | fftw_real tmp20; |
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| 192 | ASSERT_ALIGNED_DOUBLE(); |
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| 193 | tmp16 = input[2 * istride]; |
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| 194 | tmp17 = input[18 * istride]; |
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| 195 | tmp18 = tmp16 + tmp17; |
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| 196 | tmp36 = tmp16 - tmp17; |
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| 197 | tmp19 = input[10 * istride]; |
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| 198 | tmp20 = input[26 * istride]; |
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| 199 | tmp21 = tmp19 + tmp20; |
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| 200 | tmp37 = tmp19 - tmp20; |
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| 201 | } |
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| 202 | tmp22 = tmp18 + tmp21; |
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| 203 | tmp136 = tmp18 - tmp21; |
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| 204 | tmp38 = (K923879532 * tmp36) - (K382683432 * tmp37); |
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| 205 | tmp80 = (K382683432 * tmp36) + (K923879532 * tmp37); |
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| 206 | } |
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| 207 | { |
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| 208 | fftw_real tmp25; |
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| 209 | fftw_real tmp39; |
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| 210 | fftw_real tmp28; |
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| 211 | fftw_real tmp40; |
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| 212 | ASSERT_ALIGNED_DOUBLE(); |
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| 213 | { |
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| 214 | fftw_real tmp23; |
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| 215 | fftw_real tmp24; |
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| 216 | fftw_real tmp26; |
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| 217 | fftw_real tmp27; |
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| 218 | ASSERT_ALIGNED_DOUBLE(); |
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| 219 | tmp23 = input[30 * istride]; |
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| 220 | tmp24 = input[14 * istride]; |
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| 221 | tmp25 = tmp23 + tmp24; |
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| 222 | tmp39 = tmp23 - tmp24; |
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| 223 | tmp26 = input[6 * istride]; |
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| 224 | tmp27 = input[22 * istride]; |
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| 225 | tmp28 = tmp26 + tmp27; |
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| 226 | tmp40 = tmp26 - tmp27; |
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| 227 | } |
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| 228 | tmp29 = tmp25 + tmp28; |
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| 229 | tmp137 = tmp25 - tmp28; |
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| 230 | tmp41 = (K923879532 * tmp39) + (K382683432 * tmp40); |
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| 231 | tmp79 = (K382683432 * tmp39) - (K923879532 * tmp40); |
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| 232 | } |
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| 233 | { |
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| 234 | fftw_real tmp46; |
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| 235 | fftw_real tmp114; |
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| 236 | fftw_real tmp58; |
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| 237 | fftw_real tmp115; |
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| 238 | fftw_real tmp49; |
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| 239 | fftw_real tmp117; |
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| 240 | fftw_real tmp52; |
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| 241 | fftw_real tmp118; |
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| 242 | fftw_real tmp53; |
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| 243 | fftw_real tmp55; |
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| 244 | ASSERT_ALIGNED_DOUBLE(); |
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| 245 | { |
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| 246 | fftw_real tmp44; |
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| 247 | fftw_real tmp45; |
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| 248 | fftw_real tmp56; |
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| 249 | fftw_real tmp57; |
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| 250 | ASSERT_ALIGNED_DOUBLE(); |
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| 251 | tmp44 = input[istride]; |
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| 252 | tmp45 = input[17 * istride]; |
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| 253 | tmp46 = tmp44 - tmp45; |
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| 254 | tmp114 = tmp44 + tmp45; |
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| 255 | tmp56 = input[9 * istride]; |
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| 256 | tmp57 = input[25 * istride]; |
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| 257 | tmp58 = tmp56 - tmp57; |
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| 258 | tmp115 = tmp56 + tmp57; |
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| 259 | } |
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| 260 | { |
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| 261 | fftw_real tmp47; |
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| 262 | fftw_real tmp48; |
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| 263 | fftw_real tmp50; |
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| 264 | fftw_real tmp51; |
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| 265 | ASSERT_ALIGNED_DOUBLE(); |
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| 266 | tmp47 = input[5 * istride]; |
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| 267 | tmp48 = input[21 * istride]; |
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| 268 | tmp49 = tmp47 - tmp48; |
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| 269 | tmp117 = tmp47 + tmp48; |
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| 270 | tmp50 = input[29 * istride]; |
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| 271 | tmp51 = input[13 * istride]; |
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| 272 | tmp52 = tmp50 - tmp51; |
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| 273 | tmp118 = tmp50 + tmp51; |
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| 274 | } |
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| 275 | tmp116 = tmp114 + tmp115; |
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| 276 | tmp140 = tmp114 - tmp115; |
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| 277 | tmp53 = K707106781 * (tmp49 + tmp52); |
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| 278 | tmp54 = tmp46 + tmp53; |
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| 279 | tmp96 = tmp46 - tmp53; |
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| 280 | tmp119 = tmp117 + tmp118; |
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| 281 | tmp141 = tmp118 - tmp117; |
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| 282 | tmp55 = K707106781 * (tmp52 - tmp49); |
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| 283 | tmp59 = tmp55 - tmp58; |
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| 284 | tmp97 = tmp58 + tmp55; |
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| 285 | } |
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| 286 | { |
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| 287 | fftw_real tmp15; |
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| 288 | fftw_real tmp30; |
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| 289 | fftw_real tmp131; |
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| 290 | fftw_real tmp132; |
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| 291 | fftw_real tmp133; |
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| 292 | fftw_real tmp134; |
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| 293 | ASSERT_ALIGNED_DOUBLE(); |
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| 294 | tmp15 = tmp7 + tmp14; |
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| 295 | tmp30 = tmp22 + tmp29; |
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| 296 | tmp131 = tmp15 + tmp30; |
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| 297 | tmp132 = tmp116 + tmp119; |
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| 298 | tmp133 = tmp123 + tmp126; |
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| 299 | tmp134 = tmp132 + tmp133; |
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| 300 | real_output[8 * real_ostride] = tmp15 - tmp30; |
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| 301 | imag_output[8 * imag_ostride] = tmp133 - tmp132; |
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| 302 | real_output[16 * real_ostride] = tmp131 - tmp134; |
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| 303 | real_output[0] = tmp131 + tmp134; |
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| 304 | } |
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| 305 | { |
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| 306 | fftw_real tmp113; |
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| 307 | fftw_real tmp129; |
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| 308 | fftw_real tmp128; |
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| 309 | fftw_real tmp130; |
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| 310 | fftw_real tmp120; |
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| 311 | fftw_real tmp127; |
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| 312 | ASSERT_ALIGNED_DOUBLE(); |
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| 313 | tmp113 = tmp7 - tmp14; |
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| 314 | tmp129 = tmp29 - tmp22; |
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| 315 | tmp120 = tmp116 - tmp119; |
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| 316 | tmp127 = tmp123 - tmp126; |
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| 317 | tmp128 = K707106781 * (tmp120 + tmp127); |
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| 318 | tmp130 = K707106781 * (tmp127 - tmp120); |
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| 319 | real_output[12 * real_ostride] = tmp113 - tmp128; |
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| 320 | real_output[4 * real_ostride] = tmp113 + tmp128; |
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| 321 | imag_output[4 * imag_ostride] = tmp129 + tmp130; |
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| 322 | imag_output[12 * imag_ostride] = tmp130 - tmp129; |
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| 323 | } |
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| 324 | { |
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| 325 | fftw_real tmp139; |
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| 326 | fftw_real tmp155; |
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| 327 | fftw_real tmp149; |
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| 328 | fftw_real tmp151; |
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| 329 | fftw_real tmp146; |
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| 330 | fftw_real tmp150; |
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| 331 | fftw_real tmp154; |
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| 332 | fftw_real tmp156; |
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| 333 | fftw_real tmp138; |
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| 334 | fftw_real tmp147; |
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| 335 | ASSERT_ALIGNED_DOUBLE(); |
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| 336 | tmp138 = K707106781 * (tmp136 + tmp137); |
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| 337 | tmp139 = tmp135 + tmp138; |
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| 338 | tmp155 = tmp135 - tmp138; |
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| 339 | tmp147 = K707106781 * (tmp137 - tmp136); |
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| 340 | tmp149 = tmp147 - tmp148; |
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| 341 | tmp151 = tmp148 + tmp147; |
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| 342 | { |
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| 343 | fftw_real tmp142; |
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| 344 | fftw_real tmp145; |
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| 345 | fftw_real tmp152; |
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| 346 | fftw_real tmp153; |
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| 347 | ASSERT_ALIGNED_DOUBLE(); |
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| 348 | tmp142 = (K923879532 * tmp140) + (K382683432 * tmp141); |
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| 349 | tmp145 = (K923879532 * tmp143) - (K382683432 * tmp144); |
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| 350 | tmp146 = tmp142 + tmp145; |
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| 351 | tmp150 = tmp145 - tmp142; |
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| 352 | tmp152 = (K923879532 * tmp141) - (K382683432 * tmp140); |
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| 353 | tmp153 = (K382683432 * tmp143) + (K923879532 * tmp144); |
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| 354 | tmp154 = tmp152 + tmp153; |
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| 355 | tmp156 = tmp153 - tmp152; |
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| 356 | } |
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| 357 | real_output[14 * real_ostride] = tmp139 - tmp146; |
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| 358 | real_output[2 * real_ostride] = tmp139 + tmp146; |
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| 359 | imag_output[6 * imag_ostride] = tmp149 + tmp150; |
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| 360 | imag_output[10 * imag_ostride] = tmp150 - tmp149; |
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| 361 | imag_output[2 * imag_ostride] = tmp151 + tmp154; |
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| 362 | imag_output[14 * imag_ostride] = tmp154 - tmp151; |
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| 363 | real_output[10 * real_ostride] = tmp155 - tmp156; |
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| 364 | real_output[6 * real_ostride] = tmp155 + tmp156; |
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| 365 | } |
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| 366 | { |
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| 367 | fftw_real tmp95; |
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| 368 | fftw_real tmp111; |
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| 369 | fftw_real tmp110; |
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| 370 | fftw_real tmp112; |
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| 371 | fftw_real tmp102; |
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| 372 | fftw_real tmp106; |
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| 373 | fftw_real tmp105; |
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| 374 | fftw_real tmp107; |
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| 375 | ASSERT_ALIGNED_DOUBLE(); |
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| 376 | { |
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| 377 | fftw_real tmp93; |
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| 378 | fftw_real tmp94; |
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| 379 | fftw_real tmp108; |
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| 380 | fftw_real tmp109; |
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| 381 | ASSERT_ALIGNED_DOUBLE(); |
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| 382 | tmp93 = tmp31 - tmp34; |
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| 383 | tmp94 = tmp80 + tmp79; |
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| 384 | tmp95 = tmp93 + tmp94; |
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| 385 | tmp111 = tmp93 - tmp94; |
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| 386 | tmp108 = (K831469612 * tmp97) - (K555570233 * tmp96); |
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| 387 | tmp109 = (K555570233 * tmp99) + (K831469612 * tmp100); |
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| 388 | tmp110 = tmp108 + tmp109; |
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| 389 | tmp112 = tmp109 - tmp108; |
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| 390 | } |
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| 391 | { |
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| 392 | fftw_real tmp98; |
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| 393 | fftw_real tmp101; |
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| 394 | fftw_real tmp103; |
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| 395 | fftw_real tmp104; |
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| 396 | ASSERT_ALIGNED_DOUBLE(); |
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| 397 | tmp98 = (K831469612 * tmp96) + (K555570233 * tmp97); |
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| 398 | tmp101 = (K831469612 * tmp99) - (K555570233 * tmp100); |
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| 399 | tmp102 = tmp98 + tmp101; |
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| 400 | tmp106 = tmp101 - tmp98; |
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| 401 | tmp103 = tmp41 - tmp38; |
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| 402 | tmp104 = tmp83 + tmp82; |
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| 403 | tmp105 = tmp103 - tmp104; |
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| 404 | tmp107 = tmp104 + tmp103; |
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| 405 | } |
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| 406 | real_output[13 * real_ostride] = tmp95 - tmp102; |
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| 407 | real_output[3 * real_ostride] = tmp95 + tmp102; |
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| 408 | imag_output[5 * imag_ostride] = tmp105 + tmp106; |
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| 409 | imag_output[11 * imag_ostride] = tmp106 - tmp105; |
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| 410 | imag_output[3 * imag_ostride] = tmp107 + tmp110; |
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| 411 | imag_output[13 * imag_ostride] = tmp110 - tmp107; |
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| 412 | real_output[11 * real_ostride] = tmp111 - tmp112; |
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| 413 | real_output[5 * real_ostride] = tmp111 + tmp112; |
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| 414 | } |
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| 415 | { |
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| 416 | fftw_real tmp43; |
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| 417 | fftw_real tmp91; |
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| 418 | fftw_real tmp90; |
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| 419 | fftw_real tmp92; |
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| 420 | fftw_real tmp78; |
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| 421 | fftw_real tmp86; |
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| 422 | fftw_real tmp85; |
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| 423 | fftw_real tmp87; |
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| 424 | ASSERT_ALIGNED_DOUBLE(); |
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| 425 | { |
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| 426 | fftw_real tmp35; |
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| 427 | fftw_real tmp42; |
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| 428 | fftw_real tmp88; |
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| 429 | fftw_real tmp89; |
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| 430 | ASSERT_ALIGNED_DOUBLE(); |
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| 431 | tmp35 = tmp31 + tmp34; |
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| 432 | tmp42 = tmp38 + tmp41; |
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| 433 | tmp43 = tmp35 + tmp42; |
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| 434 | tmp91 = tmp35 - tmp42; |
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| 435 | tmp88 = (K980785280 * tmp59) - (K195090322 * tmp54); |
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| 436 | tmp89 = (K195090322 * tmp71) + (K980785280 * tmp76); |
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| 437 | tmp90 = tmp88 + tmp89; |
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| 438 | tmp92 = tmp89 - tmp88; |
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| 439 | } |
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| 440 | { |
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| 441 | fftw_real tmp60; |
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| 442 | fftw_real tmp77; |
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| 443 | fftw_real tmp81; |
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| 444 | fftw_real tmp84; |
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| 445 | ASSERT_ALIGNED_DOUBLE(); |
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| 446 | tmp60 = (K980785280 * tmp54) + (K195090322 * tmp59); |
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| 447 | tmp77 = (K980785280 * tmp71) - (K195090322 * tmp76); |
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| 448 | tmp78 = tmp60 + tmp77; |
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| 449 | tmp86 = tmp77 - tmp60; |
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| 450 | tmp81 = tmp79 - tmp80; |
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| 451 | tmp84 = tmp82 - tmp83; |
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| 452 | tmp85 = tmp81 - tmp84; |
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| 453 | tmp87 = tmp84 + tmp81; |
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| 454 | } |
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| 455 | real_output[15 * real_ostride] = tmp43 - tmp78; |
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| 456 | real_output[real_ostride] = tmp43 + tmp78; |
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| 457 | imag_output[7 * imag_ostride] = tmp85 + tmp86; |
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| 458 | imag_output[9 * imag_ostride] = tmp86 - tmp85; |
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| 459 | imag_output[imag_ostride] = tmp87 + tmp90; |
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| 460 | imag_output[15 * imag_ostride] = tmp90 - tmp87; |
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| 461 | real_output[9 * real_ostride] = tmp91 - tmp92; |
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| 462 | real_output[7 * real_ostride] = tmp91 + tmp92; |
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| 463 | } |
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| 464 | } |
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| 465 | |||
| 466 | fftw_codelet_desc fftw_real2hc_32_desc = |
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| 467 | { |
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| 468 | "fftw_real2hc_32", |
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| 469 | (void (*)()) fftw_real2hc_32, |
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| 470 | 32, |
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| 471 | FFTW_FORWARD, |
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| 472 | FFTW_REAL2HC, |
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| 473 | 706, |
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| 474 | 0, |
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| 475 | (const int *) 0, |
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| 476 | }; |