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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 13:55:20 EDT 1999 */ |
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| 22 | |||
| 23 | #include <ports/fftw-int.h> |
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| 24 | #include <ports/fftw.h> |
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| 25 | |||
| 26 | /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddle 7 */ |
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| 27 | |||
| 28 | /* |
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| 29 | * This function contains 72 FP additions, 60 FP multiplications, |
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| 30 | * (or, 60 additions, 48 multiplications, 12 fused multiply/add), |
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| 31 | * 24 stack variables, and 28 memory accesses |
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| 32 | */ |
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| 33 | static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569); |
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| 34 | static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162); |
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| 35 | static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731); |
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| 36 | static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728); |
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| 37 | static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801); |
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| 38 | static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519); |
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| 39 | |||
| 40 | /* |
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| 41 | * Generator Id's : |
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| 42 | * $Id: ftw_7.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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| 43 | * $Id: ftw_7.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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| 44 | * $Id: ftw_7.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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| 45 | */ |
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| 46 | |||
| 47 | void fftw_twiddle_7(fftw_complex *A, const fftw_complex *W, int iostride, int m, int dist) |
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| 48 | { |
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| 49 | int i; |
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| 50 | fftw_complex *inout; |
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| 51 | inout = A; |
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| 52 | for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 6) { |
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| 53 | fftw_real tmp1; |
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| 54 | fftw_real tmp53; |
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| 55 | fftw_real tmp12; |
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| 56 | fftw_real tmp54; |
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| 57 | fftw_real tmp38; |
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| 58 | fftw_real tmp50; |
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| 59 | fftw_real tmp23; |
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| 60 | fftw_real tmp55; |
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| 61 | fftw_real tmp44; |
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| 62 | fftw_real tmp51; |
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| 63 | fftw_real tmp34; |
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| 64 | fftw_real tmp56; |
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| 65 | fftw_real tmp41; |
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| 66 | fftw_real tmp52; |
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| 67 | ASSERT_ALIGNED_DOUBLE(); |
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| 68 | tmp1 = c_re(inout[0]); |
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| 69 | tmp53 = c_im(inout[0]); |
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| 70 | { |
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| 71 | fftw_real tmp6; |
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| 72 | fftw_real tmp36; |
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| 73 | fftw_real tmp11; |
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| 74 | fftw_real tmp37; |
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| 75 | ASSERT_ALIGNED_DOUBLE(); |
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| 76 | { |
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| 77 | fftw_real tmp3; |
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| 78 | fftw_real tmp5; |
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| 79 | fftw_real tmp2; |
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| 80 | fftw_real tmp4; |
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| 81 | ASSERT_ALIGNED_DOUBLE(); |
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| 82 | tmp3 = c_re(inout[iostride]); |
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| 83 | tmp5 = c_im(inout[iostride]); |
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| 84 | tmp2 = c_re(W[0]); |
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| 85 | tmp4 = c_im(W[0]); |
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| 86 | tmp6 = (tmp2 * tmp3) - (tmp4 * tmp5); |
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| 87 | tmp36 = (tmp4 * tmp3) + (tmp2 * tmp5); |
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| 88 | } |
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| 89 | { |
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| 90 | fftw_real tmp8; |
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| 91 | fftw_real tmp10; |
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| 92 | fftw_real tmp7; |
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| 93 | fftw_real tmp9; |
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| 94 | ASSERT_ALIGNED_DOUBLE(); |
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| 95 | tmp8 = c_re(inout[6 * iostride]); |
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| 96 | tmp10 = c_im(inout[6 * iostride]); |
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| 97 | tmp7 = c_re(W[5]); |
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| 98 | tmp9 = c_im(W[5]); |
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| 99 | tmp11 = (tmp7 * tmp8) - (tmp9 * tmp10); |
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| 100 | tmp37 = (tmp9 * tmp8) + (tmp7 * tmp10); |
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| 101 | } |
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| 102 | tmp12 = tmp6 + tmp11; |
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| 103 | tmp54 = tmp11 - tmp6; |
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| 104 | tmp38 = tmp36 - tmp37; |
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| 105 | tmp50 = tmp36 + tmp37; |
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| 106 | } |
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| 107 | { |
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| 108 | fftw_real tmp17; |
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| 109 | fftw_real tmp42; |
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| 110 | fftw_real tmp22; |
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| 111 | fftw_real tmp43; |
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| 112 | ASSERT_ALIGNED_DOUBLE(); |
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| 113 | { |
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| 114 | fftw_real tmp14; |
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| 115 | fftw_real tmp16; |
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| 116 | fftw_real tmp13; |
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| 117 | fftw_real tmp15; |
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| 118 | ASSERT_ALIGNED_DOUBLE(); |
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| 119 | tmp14 = c_re(inout[2 * iostride]); |
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| 120 | tmp16 = c_im(inout[2 * iostride]); |
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| 121 | tmp13 = c_re(W[1]); |
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| 122 | tmp15 = c_im(W[1]); |
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| 123 | tmp17 = (tmp13 * tmp14) - (tmp15 * tmp16); |
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| 124 | tmp42 = (tmp15 * tmp14) + (tmp13 * tmp16); |
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| 125 | } |
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| 126 | { |
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| 127 | fftw_real tmp19; |
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| 128 | fftw_real tmp21; |
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| 129 | fftw_real tmp18; |
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| 130 | fftw_real tmp20; |
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| 131 | ASSERT_ALIGNED_DOUBLE(); |
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| 132 | tmp19 = c_re(inout[5 * iostride]); |
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| 133 | tmp21 = c_im(inout[5 * iostride]); |
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| 134 | tmp18 = c_re(W[4]); |
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| 135 | tmp20 = c_im(W[4]); |
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| 136 | tmp22 = (tmp18 * tmp19) - (tmp20 * tmp21); |
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| 137 | tmp43 = (tmp20 * tmp19) + (tmp18 * tmp21); |
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| 138 | } |
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| 139 | tmp23 = tmp17 + tmp22; |
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| 140 | tmp55 = tmp22 - tmp17; |
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| 141 | tmp44 = tmp42 - tmp43; |
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| 142 | tmp51 = tmp42 + tmp43; |
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| 143 | } |
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| 144 | { |
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| 145 | fftw_real tmp28; |
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| 146 | fftw_real tmp39; |
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| 147 | fftw_real tmp33; |
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| 148 | fftw_real tmp40; |
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| 149 | ASSERT_ALIGNED_DOUBLE(); |
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| 150 | { |
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| 151 | fftw_real tmp25; |
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| 152 | fftw_real tmp27; |
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| 153 | fftw_real tmp24; |
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| 154 | fftw_real tmp26; |
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| 155 | ASSERT_ALIGNED_DOUBLE(); |
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| 156 | tmp25 = c_re(inout[3 * iostride]); |
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| 157 | tmp27 = c_im(inout[3 * iostride]); |
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| 158 | tmp24 = c_re(W[2]); |
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| 159 | tmp26 = c_im(W[2]); |
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| 160 | tmp28 = (tmp24 * tmp25) - (tmp26 * tmp27); |
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| 161 | tmp39 = (tmp26 * tmp25) + (tmp24 * tmp27); |
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| 162 | } |
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| 163 | { |
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| 164 | fftw_real tmp30; |
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| 165 | fftw_real tmp32; |
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| 166 | fftw_real tmp29; |
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| 167 | fftw_real tmp31; |
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| 168 | ASSERT_ALIGNED_DOUBLE(); |
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| 169 | tmp30 = c_re(inout[4 * iostride]); |
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| 170 | tmp32 = c_im(inout[4 * iostride]); |
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| 171 | tmp29 = c_re(W[3]); |
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| 172 | tmp31 = c_im(W[3]); |
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| 173 | tmp33 = (tmp29 * tmp30) - (tmp31 * tmp32); |
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| 174 | tmp40 = (tmp31 * tmp30) + (tmp29 * tmp32); |
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| 175 | } |
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| 176 | tmp34 = tmp28 + tmp33; |
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| 177 | tmp56 = tmp33 - tmp28; |
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| 178 | tmp41 = tmp39 - tmp40; |
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| 179 | tmp52 = tmp39 + tmp40; |
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| 180 | } |
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| 181 | { |
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| 182 | fftw_real tmp47; |
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| 183 | fftw_real tmp46; |
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| 184 | fftw_real tmp59; |
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| 185 | fftw_real tmp60; |
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| 186 | ASSERT_ALIGNED_DOUBLE(); |
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| 187 | c_re(inout[0]) = tmp1 + tmp12 + tmp23 + tmp34; |
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| 188 | tmp47 = (K781831482 * tmp38) + (K974927912 * tmp44) + (K433883739 * tmp41); |
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| 189 | tmp46 = tmp1 + (K623489801 * tmp12) - (K900968867 * tmp34) - (K222520933 * tmp23); |
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| 190 | c_re(inout[6 * iostride]) = tmp46 - tmp47; |
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| 191 | c_re(inout[iostride]) = tmp46 + tmp47; |
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| 192 | { |
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| 193 | fftw_real tmp49; |
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| 194 | fftw_real tmp48; |
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| 195 | fftw_real tmp45; |
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| 196 | fftw_real tmp35; |
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| 197 | ASSERT_ALIGNED_DOUBLE(); |
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| 198 | tmp49 = (K433883739 * tmp38) + (K974927912 * tmp41) - (K781831482 * tmp44); |
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| 199 | tmp48 = tmp1 + (K623489801 * tmp23) - (K222520933 * tmp34) - (K900968867 * tmp12); |
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| 200 | c_re(inout[4 * iostride]) = tmp48 - tmp49; |
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| 201 | c_re(inout[3 * iostride]) = tmp48 + tmp49; |
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| 202 | tmp45 = (K974927912 * tmp38) - (K781831482 * tmp41) - (K433883739 * tmp44); |
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| 203 | tmp35 = tmp1 + (K623489801 * tmp34) - (K900968867 * tmp23) - (K222520933 * tmp12); |
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| 204 | c_re(inout[5 * iostride]) = tmp35 - tmp45; |
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| 205 | c_re(inout[2 * iostride]) = tmp35 + tmp45; |
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| 206 | } |
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| 207 | c_im(inout[0]) = tmp50 + tmp51 + tmp52 + tmp53; |
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| 208 | tmp59 = (K974927912 * tmp54) - (K781831482 * tmp56) - (K433883739 * tmp55); |
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| 209 | tmp60 = (K623489801 * tmp52) + tmp53 - (K900968867 * tmp51) - (K222520933 * tmp50); |
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| 210 | c_im(inout[2 * iostride]) = tmp59 + tmp60; |
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| 211 | c_im(inout[5 * iostride]) = tmp60 - tmp59; |
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| 212 | { |
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| 213 | fftw_real tmp61; |
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| 214 | fftw_real tmp62; |
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| 215 | fftw_real tmp57; |
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| 216 | fftw_real tmp58; |
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| 217 | ASSERT_ALIGNED_DOUBLE(); |
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| 218 | tmp61 = (K433883739 * tmp54) + (K974927912 * tmp56) - (K781831482 * tmp55); |
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| 219 | tmp62 = (K623489801 * tmp51) + tmp53 - (K222520933 * tmp52) - (K900968867 * tmp50); |
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| 220 | c_im(inout[3 * iostride]) = tmp61 + tmp62; |
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| 221 | c_im(inout[4 * iostride]) = tmp62 - tmp61; |
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| 222 | tmp57 = (K781831482 * tmp54) + (K974927912 * tmp55) + (K433883739 * tmp56); |
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| 223 | tmp58 = (K623489801 * tmp50) + tmp53 - (K900968867 * tmp52) - (K222520933 * tmp51); |
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| 224 | c_im(inout[iostride]) = tmp57 + tmp58; |
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| 225 | c_im(inout[6 * iostride]) = tmp58 - tmp57; |
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| 226 | } |
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| 227 | } |
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| 228 | } |
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| 229 | } |
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| 230 | |||
| 231 | static const int twiddle_order[] = |
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| 232 | {1, 2, 3, 4, 5, 6}; |
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| 233 | fftw_codelet_desc fftw_twiddle_7_desc = |
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| 234 | { |
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| 235 | "fftw_twiddle_7", |
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| 236 | (void (*)()) fftw_twiddle_7, |
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| 237 | 7, |
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| 238 | FFTW_FORWARD, |
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| 239 | FFTW_TWIDDLE, |
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| 240 | 154, |
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| 241 | 6, |
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| 242 | twiddle_order, |
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| 243 | }; |