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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 13:54:30 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 -notwiddle 15 */ |
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| 27 | |||
| 28 | /* |
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| 29 | * This function contains 156 FP additions, 56 FP multiplications, |
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| 30 | * (or, 128 additions, 28 multiplications, 28 fused multiply/add), |
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| 31 | * 62 stack variables, and 60 memory accesses |
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| 32 | */ |
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| 33 | static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); |
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| 34 | static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); |
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| 35 | static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000); |
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| 36 | static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590); |
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| 37 | static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); |
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| 38 | static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); |
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| 39 | |||
| 40 | /* |
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| 41 | * Generator Id's : |
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| 107 | pj | 42 | * $Id: fn_15.c,v 1.2 2003-03-24 11:14:50 pj Exp $ |
| 43 | * $Id: fn_15.c,v 1.2 2003-03-24 11:14:50 pj Exp $ |
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| 44 | * $Id: fn_15.c,v 1.2 2003-03-24 11:14:50 pj Exp $ |
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| 2 | pj | 45 | */ |
| 46 | |||
| 47 | void fftw_no_twiddle_15(const fftw_complex *input, fftw_complex *output, int istride, int ostride) |
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| 48 | { |
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| 49 | fftw_real tmp5; |
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| 50 | fftw_real tmp33; |
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| 51 | fftw_real tmp57; |
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| 52 | fftw_real tmp145; |
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| 53 | fftw_real tmp100; |
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| 54 | fftw_real tmp124; |
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| 55 | fftw_real tmp21; |
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| 56 | fftw_real tmp26; |
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| 57 | fftw_real tmp27; |
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| 58 | fftw_real tmp49; |
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| 59 | fftw_real tmp54; |
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| 60 | fftw_real tmp55; |
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| 61 | fftw_real tmp136; |
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| 62 | fftw_real tmp137; |
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| 63 | fftw_real tmp147; |
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| 64 | fftw_real tmp61; |
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| 65 | fftw_real tmp62; |
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| 66 | fftw_real tmp63; |
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| 67 | fftw_real tmp112; |
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| 68 | fftw_real tmp113; |
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| 69 | fftw_real tmp126; |
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| 70 | fftw_real tmp83; |
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| 71 | fftw_real tmp88; |
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| 72 | fftw_real tmp94; |
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| 73 | fftw_real tmp10; |
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| 74 | fftw_real tmp15; |
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| 75 | fftw_real tmp16; |
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| 76 | fftw_real tmp38; |
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| 77 | fftw_real tmp43; |
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| 78 | fftw_real tmp44; |
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| 79 | fftw_real tmp139; |
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| 80 | fftw_real tmp140; |
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| 81 | fftw_real tmp146; |
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| 82 | fftw_real tmp58; |
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| 83 | fftw_real tmp59; |
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| 84 | fftw_real tmp60; |
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| 85 | fftw_real tmp115; |
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| 86 | fftw_real tmp116; |
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| 87 | fftw_real tmp125; |
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| 88 | fftw_real tmp72; |
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| 89 | fftw_real tmp77; |
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| 90 | fftw_real tmp93; |
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| 91 | ASSERT_ALIGNED_DOUBLE(); |
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| 92 | { |
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| 93 | fftw_real tmp1; |
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| 94 | fftw_real tmp97; |
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| 95 | fftw_real tmp4; |
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| 96 | fftw_real tmp96; |
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| 97 | fftw_real tmp32; |
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| 98 | fftw_real tmp98; |
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| 99 | fftw_real tmp29; |
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| 100 | fftw_real tmp99; |
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| 101 | ASSERT_ALIGNED_DOUBLE(); |
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| 102 | tmp1 = c_re(input[0]); |
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| 103 | tmp97 = c_im(input[0]); |
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| 104 | { |
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| 105 | fftw_real tmp2; |
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| 106 | fftw_real tmp3; |
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| 107 | fftw_real tmp30; |
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| 108 | fftw_real tmp31; |
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| 109 | ASSERT_ALIGNED_DOUBLE(); |
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| 110 | tmp2 = c_re(input[5 * istride]); |
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| 111 | tmp3 = c_re(input[10 * istride]); |
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| 112 | tmp4 = tmp2 + tmp3; |
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| 113 | tmp96 = K866025403 * (tmp3 - tmp2); |
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| 114 | tmp30 = c_im(input[5 * istride]); |
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| 115 | tmp31 = c_im(input[10 * istride]); |
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| 116 | tmp32 = K866025403 * (tmp30 - tmp31); |
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| 117 | tmp98 = tmp30 + tmp31; |
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| 118 | } |
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| 119 | tmp5 = tmp1 + tmp4; |
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| 120 | tmp29 = tmp1 - (K500000000 * tmp4); |
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| 121 | tmp33 = tmp29 - tmp32; |
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| 122 | tmp57 = tmp29 + tmp32; |
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| 123 | tmp145 = tmp97 + tmp98; |
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| 124 | tmp99 = tmp97 - (K500000000 * tmp98); |
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| 125 | tmp100 = tmp96 + tmp99; |
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| 126 | tmp124 = tmp99 - tmp96; |
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| 127 | } |
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| 128 | { |
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| 129 | fftw_real tmp17; |
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| 130 | fftw_real tmp20; |
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| 131 | fftw_real tmp45; |
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| 132 | fftw_real tmp79; |
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| 133 | fftw_real tmp80; |
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| 134 | fftw_real tmp81; |
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| 135 | fftw_real tmp48; |
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| 136 | fftw_real tmp82; |
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| 137 | fftw_real tmp22; |
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| 138 | fftw_real tmp25; |
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| 139 | fftw_real tmp50; |
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| 140 | fftw_real tmp84; |
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| 141 | fftw_real tmp85; |
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| 142 | fftw_real tmp86; |
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| 143 | fftw_real tmp53; |
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| 144 | fftw_real tmp87; |
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| 145 | ASSERT_ALIGNED_DOUBLE(); |
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| 146 | { |
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| 147 | fftw_real tmp18; |
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| 148 | fftw_real tmp19; |
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| 149 | fftw_real tmp46; |
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| 150 | fftw_real tmp47; |
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| 151 | ASSERT_ALIGNED_DOUBLE(); |
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| 152 | tmp17 = c_re(input[6 * istride]); |
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| 153 | tmp18 = c_re(input[11 * istride]); |
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| 154 | tmp19 = c_re(input[istride]); |
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| 155 | tmp20 = tmp18 + tmp19; |
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| 156 | tmp45 = tmp17 - (K500000000 * tmp20); |
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| 157 | tmp79 = K866025403 * (tmp19 - tmp18); |
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| 158 | tmp80 = c_im(input[6 * istride]); |
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| 159 | tmp46 = c_im(input[11 * istride]); |
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| 160 | tmp47 = c_im(input[istride]); |
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| 161 | tmp81 = tmp46 + tmp47; |
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| 162 | tmp48 = K866025403 * (tmp46 - tmp47); |
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| 163 | tmp82 = tmp80 - (K500000000 * tmp81); |
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| 164 | } |
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| 165 | { |
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| 166 | fftw_real tmp23; |
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| 167 | fftw_real tmp24; |
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| 168 | fftw_real tmp51; |
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| 169 | fftw_real tmp52; |
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| 170 | ASSERT_ALIGNED_DOUBLE(); |
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| 171 | tmp22 = c_re(input[9 * istride]); |
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| 172 | tmp23 = c_re(input[14 * istride]); |
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| 173 | tmp24 = c_re(input[4 * istride]); |
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| 174 | tmp25 = tmp23 + tmp24; |
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| 175 | tmp50 = tmp22 - (K500000000 * tmp25); |
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| 176 | tmp84 = K866025403 * (tmp24 - tmp23); |
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| 177 | tmp85 = c_im(input[9 * istride]); |
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| 178 | tmp51 = c_im(input[14 * istride]); |
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| 179 | tmp52 = c_im(input[4 * istride]); |
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| 180 | tmp86 = tmp51 + tmp52; |
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| 181 | tmp53 = K866025403 * (tmp51 - tmp52); |
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| 182 | tmp87 = tmp85 - (K500000000 * tmp86); |
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| 183 | } |
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| 184 | tmp21 = tmp17 + tmp20; |
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| 185 | tmp26 = tmp22 + tmp25; |
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| 186 | tmp27 = tmp21 + tmp26; |
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| 187 | tmp49 = tmp45 - tmp48; |
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| 188 | tmp54 = tmp50 - tmp53; |
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| 189 | tmp55 = tmp49 + tmp54; |
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| 190 | tmp136 = tmp80 + tmp81; |
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| 191 | tmp137 = tmp85 + tmp86; |
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| 192 | tmp147 = tmp136 + tmp137; |
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| 193 | tmp61 = tmp45 + tmp48; |
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| 194 | tmp62 = tmp50 + tmp53; |
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| 195 | tmp63 = tmp61 + tmp62; |
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| 196 | tmp112 = tmp82 - tmp79; |
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| 197 | tmp113 = tmp87 - tmp84; |
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| 198 | tmp126 = tmp112 + tmp113; |
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| 199 | tmp83 = tmp79 + tmp82; |
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| 200 | tmp88 = tmp84 + tmp87; |
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| 201 | tmp94 = tmp83 + tmp88; |
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| 202 | } |
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| 203 | { |
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| 204 | fftw_real tmp6; |
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| 205 | fftw_real tmp9; |
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| 206 | fftw_real tmp34; |
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| 207 | fftw_real tmp68; |
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| 208 | fftw_real tmp69; |
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| 209 | fftw_real tmp70; |
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| 210 | fftw_real tmp37; |
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| 211 | fftw_real tmp71; |
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| 212 | fftw_real tmp11; |
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| 213 | fftw_real tmp14; |
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| 214 | fftw_real tmp39; |
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| 215 | fftw_real tmp73; |
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| 216 | fftw_real tmp74; |
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| 217 | fftw_real tmp75; |
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| 218 | fftw_real tmp42; |
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| 219 | fftw_real tmp76; |
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| 220 | ASSERT_ALIGNED_DOUBLE(); |
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| 221 | { |
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| 222 | fftw_real tmp7; |
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| 223 | fftw_real tmp8; |
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| 224 | fftw_real tmp35; |
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| 225 | fftw_real tmp36; |
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| 226 | ASSERT_ALIGNED_DOUBLE(); |
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| 227 | tmp6 = c_re(input[3 * istride]); |
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| 228 | tmp7 = c_re(input[8 * istride]); |
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| 229 | tmp8 = c_re(input[13 * istride]); |
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| 230 | tmp9 = tmp7 + tmp8; |
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| 231 | tmp34 = tmp6 - (K500000000 * tmp9); |
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| 232 | tmp68 = K866025403 * (tmp8 - tmp7); |
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| 233 | tmp69 = c_im(input[3 * istride]); |
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| 234 | tmp35 = c_im(input[8 * istride]); |
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| 235 | tmp36 = c_im(input[13 * istride]); |
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| 236 | tmp70 = tmp35 + tmp36; |
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| 237 | tmp37 = K866025403 * (tmp35 - tmp36); |
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| 238 | tmp71 = tmp69 - (K500000000 * tmp70); |
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| 239 | } |
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| 240 | { |
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| 241 | fftw_real tmp12; |
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| 242 | fftw_real tmp13; |
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| 243 | fftw_real tmp40; |
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| 244 | fftw_real tmp41; |
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| 245 | ASSERT_ALIGNED_DOUBLE(); |
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| 246 | tmp11 = c_re(input[12 * istride]); |
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| 247 | tmp12 = c_re(input[2 * istride]); |
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| 248 | tmp13 = c_re(input[7 * istride]); |
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| 249 | tmp14 = tmp12 + tmp13; |
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| 250 | tmp39 = tmp11 - (K500000000 * tmp14); |
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| 251 | tmp73 = K866025403 * (tmp13 - tmp12); |
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| 252 | tmp74 = c_im(input[12 * istride]); |
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| 253 | tmp40 = c_im(input[2 * istride]); |
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| 254 | tmp41 = c_im(input[7 * istride]); |
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| 255 | tmp75 = tmp40 + tmp41; |
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| 256 | tmp42 = K866025403 * (tmp40 - tmp41); |
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| 257 | tmp76 = tmp74 - (K500000000 * tmp75); |
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| 258 | } |
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| 259 | tmp10 = tmp6 + tmp9; |
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| 260 | tmp15 = tmp11 + tmp14; |
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| 261 | tmp16 = tmp10 + tmp15; |
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| 262 | tmp38 = tmp34 - tmp37; |
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| 263 | tmp43 = tmp39 - tmp42; |
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| 264 | tmp44 = tmp38 + tmp43; |
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| 265 | tmp139 = tmp69 + tmp70; |
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| 266 | tmp140 = tmp74 + tmp75; |
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| 267 | tmp146 = tmp139 + tmp140; |
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| 268 | tmp58 = tmp34 + tmp37; |
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| 269 | tmp59 = tmp39 + tmp42; |
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| 270 | tmp60 = tmp58 + tmp59; |
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| 271 | tmp115 = tmp71 - tmp68; |
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| 272 | tmp116 = tmp76 - tmp73; |
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| 273 | tmp125 = tmp115 + tmp116; |
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| 274 | tmp72 = tmp68 + tmp71; |
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| 275 | tmp77 = tmp73 + tmp76; |
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| 276 | tmp93 = tmp72 + tmp77; |
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| 277 | } |
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| 278 | { |
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| 279 | fftw_real tmp134; |
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| 280 | fftw_real tmp28; |
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| 281 | fftw_real tmp133; |
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| 282 | fftw_real tmp142; |
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| 283 | fftw_real tmp144; |
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| 284 | fftw_real tmp138; |
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| 285 | fftw_real tmp141; |
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| 286 | fftw_real tmp143; |
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| 287 | fftw_real tmp135; |
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| 288 | ASSERT_ALIGNED_DOUBLE(); |
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| 289 | tmp134 = K559016994 * (tmp16 - tmp27); |
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| 290 | tmp28 = tmp16 + tmp27; |
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| 291 | tmp133 = tmp5 - (K250000000 * tmp28); |
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| 292 | tmp138 = tmp136 - tmp137; |
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| 293 | tmp141 = tmp139 - tmp140; |
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| 294 | tmp142 = (K951056516 * tmp138) - (K587785252 * tmp141); |
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| 295 | tmp144 = (K951056516 * tmp141) + (K587785252 * tmp138); |
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| 296 | c_re(output[0]) = tmp5 + tmp28; |
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| 297 | tmp143 = tmp134 + tmp133; |
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| 298 | c_re(output[9 * ostride]) = tmp143 - tmp144; |
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| 299 | c_re(output[6 * ostride]) = tmp143 + tmp144; |
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| 300 | tmp135 = tmp133 - tmp134; |
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| 301 | c_re(output[12 * ostride]) = tmp135 - tmp142; |
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| 302 | c_re(output[3 * ostride]) = tmp135 + tmp142; |
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| 303 | } |
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| 304 | { |
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| 305 | fftw_real tmp110; |
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| 306 | fftw_real tmp56; |
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| 307 | fftw_real tmp109; |
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| 308 | fftw_real tmp118; |
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| 309 | fftw_real tmp120; |
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| 310 | fftw_real tmp114; |
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| 311 | fftw_real tmp117; |
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| 312 | fftw_real tmp119; |
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| 313 | fftw_real tmp111; |
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| 314 | ASSERT_ALIGNED_DOUBLE(); |
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| 315 | tmp110 = K559016994 * (tmp44 - tmp55); |
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| 316 | tmp56 = tmp44 + tmp55; |
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| 317 | tmp109 = tmp33 - (K250000000 * tmp56); |
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| 318 | tmp114 = tmp112 - tmp113; |
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| 319 | tmp117 = tmp115 - tmp116; |
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| 320 | tmp118 = (K951056516 * tmp114) - (K587785252 * tmp117); |
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| 321 | tmp120 = (K951056516 * tmp117) + (K587785252 * tmp114); |
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| 322 | c_re(output[5 * ostride]) = tmp33 + tmp56; |
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| 323 | tmp119 = tmp110 + tmp109; |
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| 324 | c_re(output[14 * ostride]) = tmp119 - tmp120; |
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| 325 | c_re(output[11 * ostride]) = tmp119 + tmp120; |
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| 326 | tmp111 = tmp109 - tmp110; |
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| 327 | c_re(output[2 * ostride]) = tmp111 - tmp118; |
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| 328 | c_re(output[8 * ostride]) = tmp111 + tmp118; |
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| 329 | } |
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| 330 | { |
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| 331 | fftw_real tmp150; |
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| 332 | fftw_real tmp148; |
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| 333 | fftw_real tmp149; |
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| 334 | fftw_real tmp154; |
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| 335 | fftw_real tmp156; |
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| 336 | fftw_real tmp152; |
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| 337 | fftw_real tmp153; |
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| 338 | fftw_real tmp155; |
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| 339 | fftw_real tmp151; |
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| 340 | ASSERT_ALIGNED_DOUBLE(); |
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| 341 | tmp150 = K559016994 * (tmp146 - tmp147); |
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| 342 | tmp148 = tmp146 + tmp147; |
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| 343 | tmp149 = tmp145 - (K250000000 * tmp148); |
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| 344 | tmp152 = tmp21 - tmp26; |
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| 345 | tmp153 = tmp10 - tmp15; |
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| 346 | tmp154 = (K951056516 * tmp152) - (K587785252 * tmp153); |
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| 347 | tmp156 = (K951056516 * tmp153) + (K587785252 * tmp152); |
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| 348 | c_im(output[0]) = tmp145 + tmp148; |
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| 349 | tmp155 = tmp150 + tmp149; |
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| 350 | c_im(output[6 * ostride]) = tmp155 - tmp156; |
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| 351 | c_im(output[9 * ostride]) = tmp156 + tmp155; |
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| 352 | tmp151 = tmp149 - tmp150; |
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| 353 | c_im(output[3 * ostride]) = tmp151 - tmp154; |
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| 354 | c_im(output[12 * ostride]) = tmp154 + tmp151; |
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| 355 | } |
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| 356 | { |
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| 357 | fftw_real tmp129; |
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| 358 | fftw_real tmp127; |
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| 359 | fftw_real tmp128; |
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| 360 | fftw_real tmp123; |
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| 361 | fftw_real tmp132; |
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| 362 | fftw_real tmp121; |
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| 363 | fftw_real tmp122; |
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| 364 | fftw_real tmp131; |
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| 365 | fftw_real tmp130; |
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| 366 | ASSERT_ALIGNED_DOUBLE(); |
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| 367 | tmp129 = K559016994 * (tmp125 - tmp126); |
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| 368 | tmp127 = tmp125 + tmp126; |
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| 369 | tmp128 = tmp124 - (K250000000 * tmp127); |
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| 370 | tmp121 = tmp49 - tmp54; |
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| 371 | tmp122 = tmp38 - tmp43; |
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| 372 | tmp123 = (K951056516 * tmp121) - (K587785252 * tmp122); |
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| 373 | tmp132 = (K951056516 * tmp122) + (K587785252 * tmp121); |
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| 374 | c_im(output[5 * ostride]) = tmp124 + tmp127; |
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| 375 | tmp131 = tmp129 + tmp128; |
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| 376 | c_im(output[11 * ostride]) = tmp131 - tmp132; |
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| 377 | c_im(output[14 * ostride]) = tmp132 + tmp131; |
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| 378 | tmp130 = tmp128 - tmp129; |
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| 379 | c_im(output[2 * ostride]) = tmp123 + tmp130; |
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| 380 | c_im(output[8 * ostride]) = tmp130 - tmp123; |
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| 381 | } |
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| 382 | { |
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| 383 | fftw_real tmp95; |
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| 384 | fftw_real tmp101; |
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| 385 | fftw_real tmp102; |
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| 386 | fftw_real tmp106; |
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| 387 | fftw_real tmp107; |
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| 388 | fftw_real tmp104; |
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| 389 | fftw_real tmp105; |
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| 390 | fftw_real tmp108; |
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| 391 | fftw_real tmp103; |
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| 392 | ASSERT_ALIGNED_DOUBLE(); |
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| 393 | tmp95 = K559016994 * (tmp93 - tmp94); |
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| 394 | tmp101 = tmp93 + tmp94; |
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| 395 | tmp102 = tmp100 - (K250000000 * tmp101); |
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| 396 | tmp104 = tmp58 - tmp59; |
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| 397 | tmp105 = tmp61 - tmp62; |
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| 398 | tmp106 = (K951056516 * tmp104) + (K587785252 * tmp105); |
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| 399 | tmp107 = (K951056516 * tmp105) - (K587785252 * tmp104); |
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| 400 | c_im(output[10 * ostride]) = tmp100 + tmp101; |
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| 401 | tmp108 = tmp102 - tmp95; |
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| 402 | c_im(output[7 * ostride]) = tmp107 + tmp108; |
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| 403 | c_im(output[13 * ostride]) = tmp108 - tmp107; |
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| 404 | tmp103 = tmp95 + tmp102; |
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| 405 | c_im(output[ostride]) = tmp103 - tmp106; |
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| 406 | c_im(output[4 * ostride]) = tmp106 + tmp103; |
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| 407 | } |
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| 408 | { |
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| 409 | fftw_real tmp65; |
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| 410 | fftw_real tmp64; |
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| 411 | fftw_real tmp66; |
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| 412 | fftw_real tmp90; |
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| 413 | fftw_real tmp92; |
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| 414 | fftw_real tmp78; |
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| 415 | fftw_real tmp89; |
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| 416 | fftw_real tmp91; |
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| 417 | fftw_real tmp67; |
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| 418 | ASSERT_ALIGNED_DOUBLE(); |
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| 419 | tmp65 = K559016994 * (tmp60 - tmp63); |
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| 420 | tmp64 = tmp60 + tmp63; |
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| 421 | tmp66 = tmp57 - (K250000000 * tmp64); |
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| 422 | tmp78 = tmp72 - tmp77; |
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| 423 | tmp89 = tmp83 - tmp88; |
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| 424 | tmp90 = (K951056516 * tmp78) + (K587785252 * tmp89); |
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| 425 | tmp92 = (K951056516 * tmp89) - (K587785252 * tmp78); |
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| 426 | c_re(output[10 * ostride]) = tmp57 + tmp64; |
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| 427 | tmp91 = tmp66 - tmp65; |
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| 428 | c_re(output[7 * ostride]) = tmp91 - tmp92; |
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| 429 | c_re(output[13 * ostride]) = tmp91 + tmp92; |
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| 430 | tmp67 = tmp65 + tmp66; |
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| 431 | c_re(output[4 * ostride]) = tmp67 - tmp90; |
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| 432 | c_re(output[ostride]) = tmp67 + tmp90; |
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| 433 | } |
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| 434 | } |
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| 435 | |||
| 436 | fftw_codelet_desc fftw_no_twiddle_15_desc = |
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| 437 | { |
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| 438 | "fftw_no_twiddle_15", |
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| 439 | (void (*)()) fftw_no_twiddle_15, |
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| 440 | 15, |
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| 441 | FFTW_FORWARD, |
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| 442 | FFTW_NOTW, |
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| 443 | 331, |
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| 444 | 0, |
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| 445 | (const int *) 0, |
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| 446 | }; |