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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 13:55:50 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 -twiddleinv 9 */ |
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| 27 | |||
| 28 | /* |
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| 29 | * This function contains 96 FP additions, 72 FP multiplications, |
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| 30 | * (or, 60 additions, 36 multiplications, 36 fused multiply/add), |
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| 31 | * 34 stack variables, and 36 memory accesses |
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| 32 | */ |
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| 33 | static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884); |
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| 34 | static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457); |
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| 35 | static const fftw_real K939692620 = FFTW_KONST(+0.939692620785908384054109277324731469936208134); |
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| 36 | static const fftw_real K342020143 = FFTW_KONST(+0.342020143325668733044099614682259580763083368); |
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| 37 | static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252); |
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| 38 | static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677); |
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| 39 | static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); |
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| 40 | static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); |
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| 41 | |||
| 42 | /* |
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| 43 | * Generator Id's : |
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| 44 | * $Id: ftwi_9.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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| 45 | * $Id: ftwi_9.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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| 46 | * $Id: ftwi_9.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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| 47 | */ |
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| 48 | |||
| 49 | void fftwi_twiddle_9(fftw_complex *A, const fftw_complex *W, int iostride, int m, int dist) |
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| 50 | { |
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| 51 | int i; |
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| 52 | fftw_complex *inout; |
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| 53 | inout = A; |
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| 54 | for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 8) { |
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| 55 | fftw_real tmp1; |
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| 56 | fftw_real tmp99; |
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| 57 | fftw_real tmp64; |
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| 58 | fftw_real tmp98; |
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| 59 | fftw_real tmp105; |
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| 60 | fftw_real tmp104; |
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| 61 | fftw_real tmp12; |
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| 62 | fftw_real tmp61; |
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| 63 | fftw_real tmp47; |
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| 64 | fftw_real tmp78; |
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| 65 | fftw_real tmp89; |
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| 66 | fftw_real tmp54; |
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| 67 | fftw_real tmp75; |
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| 68 | fftw_real tmp90; |
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| 69 | fftw_real tmp30; |
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| 70 | fftw_real tmp68; |
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| 71 | fftw_real tmp86; |
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| 72 | fftw_real tmp59; |
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| 73 | fftw_real tmp71; |
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| 74 | fftw_real tmp87; |
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| 75 | ASSERT_ALIGNED_DOUBLE(); |
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| 76 | { |
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| 77 | fftw_real tmp6; |
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| 78 | fftw_real tmp63; |
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| 79 | fftw_real tmp11; |
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| 80 | fftw_real tmp62; |
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| 81 | ASSERT_ALIGNED_DOUBLE(); |
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| 82 | tmp1 = c_re(inout[0]); |
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| 83 | tmp99 = c_im(inout[0]); |
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| 84 | { |
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| 85 | fftw_real tmp3; |
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| 86 | fftw_real tmp5; |
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| 87 | fftw_real tmp2; |
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| 88 | fftw_real tmp4; |
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| 89 | ASSERT_ALIGNED_DOUBLE(); |
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| 90 | tmp3 = c_re(inout[3 * iostride]); |
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| 91 | tmp5 = c_im(inout[3 * iostride]); |
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| 92 | tmp2 = c_re(W[2]); |
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| 93 | tmp4 = c_im(W[2]); |
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| 94 | tmp6 = (tmp2 * tmp3) + (tmp4 * tmp5); |
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| 95 | tmp63 = (tmp2 * tmp5) - (tmp4 * tmp3); |
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| 96 | } |
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| 97 | { |
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| 98 | fftw_real tmp8; |
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| 99 | fftw_real tmp10; |
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| 100 | fftw_real tmp7; |
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| 101 | fftw_real tmp9; |
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| 102 | ASSERT_ALIGNED_DOUBLE(); |
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| 103 | tmp8 = c_re(inout[6 * iostride]); |
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| 104 | tmp10 = c_im(inout[6 * iostride]); |
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| 105 | tmp7 = c_re(W[5]); |
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| 106 | tmp9 = c_im(W[5]); |
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| 107 | tmp11 = (tmp7 * tmp8) + (tmp9 * tmp10); |
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| 108 | tmp62 = (tmp7 * tmp10) - (tmp9 * tmp8); |
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| 109 | } |
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| 110 | tmp64 = K866025403 * (tmp62 - tmp63); |
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| 111 | tmp98 = tmp63 + tmp62; |
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| 112 | tmp105 = tmp99 - (K500000000 * tmp98); |
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| 113 | tmp104 = K866025403 * (tmp6 - tmp11); |
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| 114 | tmp12 = tmp6 + tmp11; |
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| 115 | tmp61 = tmp1 - (K500000000 * tmp12); |
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| 116 | } |
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| 117 | { |
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| 118 | fftw_real tmp35; |
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| 119 | fftw_real tmp50; |
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| 120 | fftw_real tmp40; |
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| 121 | fftw_real tmp51; |
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| 122 | fftw_real tmp45; |
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| 123 | fftw_real tmp52; |
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| 124 | fftw_real tmp46; |
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| 125 | fftw_real tmp53; |
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| 126 | ASSERT_ALIGNED_DOUBLE(); |
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| 127 | { |
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| 128 | fftw_real tmp32; |
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| 129 | fftw_real tmp34; |
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| 130 | fftw_real tmp31; |
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| 131 | fftw_real tmp33; |
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| 132 | ASSERT_ALIGNED_DOUBLE(); |
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| 133 | tmp32 = c_re(inout[2 * iostride]); |
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| 134 | tmp34 = c_im(inout[2 * iostride]); |
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| 135 | tmp31 = c_re(W[1]); |
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| 136 | tmp33 = c_im(W[1]); |
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| 137 | tmp35 = (tmp31 * tmp32) + (tmp33 * tmp34); |
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| 138 | tmp50 = (tmp31 * tmp34) - (tmp33 * tmp32); |
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| 139 | } |
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| 140 | { |
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| 141 | fftw_real tmp37; |
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| 142 | fftw_real tmp39; |
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| 143 | fftw_real tmp36; |
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| 144 | fftw_real tmp38; |
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| 145 | ASSERT_ALIGNED_DOUBLE(); |
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| 146 | tmp37 = c_re(inout[5 * iostride]); |
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| 147 | tmp39 = c_im(inout[5 * iostride]); |
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| 148 | tmp36 = c_re(W[4]); |
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| 149 | tmp38 = c_im(W[4]); |
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| 150 | tmp40 = (tmp36 * tmp37) + (tmp38 * tmp39); |
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| 151 | tmp51 = (tmp36 * tmp39) - (tmp38 * tmp37); |
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| 152 | } |
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| 153 | { |
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| 154 | fftw_real tmp42; |
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| 155 | fftw_real tmp44; |
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| 156 | fftw_real tmp41; |
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| 157 | fftw_real tmp43; |
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| 158 | ASSERT_ALIGNED_DOUBLE(); |
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| 159 | tmp42 = c_re(inout[8 * iostride]); |
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| 160 | tmp44 = c_im(inout[8 * iostride]); |
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| 161 | tmp41 = c_re(W[7]); |
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| 162 | tmp43 = c_im(W[7]); |
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| 163 | tmp45 = (tmp41 * tmp42) + (tmp43 * tmp44); |
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| 164 | tmp52 = (tmp41 * tmp44) - (tmp43 * tmp42); |
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| 165 | } |
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| 166 | tmp46 = tmp40 + tmp45; |
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| 167 | tmp53 = tmp51 + tmp52; |
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| 168 | { |
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| 169 | fftw_real tmp76; |
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| 170 | fftw_real tmp77; |
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| 171 | fftw_real tmp73; |
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| 172 | fftw_real tmp74; |
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| 173 | ASSERT_ALIGNED_DOUBLE(); |
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| 174 | tmp47 = tmp35 + tmp46; |
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| 175 | tmp76 = tmp35 - (K500000000 * tmp46); |
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| 176 | tmp77 = K866025403 * (tmp52 - tmp51); |
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| 177 | tmp78 = tmp76 - tmp77; |
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| 178 | tmp89 = tmp76 + tmp77; |
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| 179 | tmp54 = tmp50 + tmp53; |
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| 180 | tmp73 = tmp50 - (K500000000 * tmp53); |
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| 181 | tmp74 = K866025403 * (tmp40 - tmp45); |
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| 182 | tmp75 = tmp73 - tmp74; |
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| 183 | tmp90 = tmp74 + tmp73; |
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| 184 | } |
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| 185 | } |
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| 186 | { |
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| 187 | fftw_real tmp18; |
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| 188 | fftw_real tmp55; |
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| 189 | fftw_real tmp23; |
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| 190 | fftw_real tmp56; |
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| 191 | fftw_real tmp28; |
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| 192 | fftw_real tmp57; |
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| 193 | fftw_real tmp29; |
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| 194 | fftw_real tmp58; |
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| 195 | ASSERT_ALIGNED_DOUBLE(); |
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| 196 | { |
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| 197 | fftw_real tmp15; |
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| 198 | fftw_real tmp17; |
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| 199 | fftw_real tmp14; |
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| 200 | fftw_real tmp16; |
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| 201 | ASSERT_ALIGNED_DOUBLE(); |
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| 202 | tmp15 = c_re(inout[iostride]); |
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| 203 | tmp17 = c_im(inout[iostride]); |
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| 204 | tmp14 = c_re(W[0]); |
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| 205 | tmp16 = c_im(W[0]); |
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| 206 | tmp18 = (tmp14 * tmp15) + (tmp16 * tmp17); |
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| 207 | tmp55 = (tmp14 * tmp17) - (tmp16 * tmp15); |
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| 208 | } |
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| 209 | { |
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| 210 | fftw_real tmp20; |
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| 211 | fftw_real tmp22; |
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| 212 | fftw_real tmp19; |
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| 213 | fftw_real tmp21; |
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| 214 | ASSERT_ALIGNED_DOUBLE(); |
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| 215 | tmp20 = c_re(inout[4 * iostride]); |
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| 216 | tmp22 = c_im(inout[4 * iostride]); |
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| 217 | tmp19 = c_re(W[3]); |
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| 218 | tmp21 = c_im(W[3]); |
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| 219 | tmp23 = (tmp19 * tmp20) + (tmp21 * tmp22); |
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| 220 | tmp56 = (tmp19 * tmp22) - (tmp21 * tmp20); |
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| 221 | } |
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| 222 | { |
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| 223 | fftw_real tmp25; |
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| 224 | fftw_real tmp27; |
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| 225 | fftw_real tmp24; |
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| 226 | fftw_real tmp26; |
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| 227 | ASSERT_ALIGNED_DOUBLE(); |
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| 228 | tmp25 = c_re(inout[7 * iostride]); |
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| 229 | tmp27 = c_im(inout[7 * iostride]); |
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| 230 | tmp24 = c_re(W[6]); |
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| 231 | tmp26 = c_im(W[6]); |
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| 232 | tmp28 = (tmp24 * tmp25) + (tmp26 * tmp27); |
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| 233 | tmp57 = (tmp24 * tmp27) - (tmp26 * tmp25); |
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| 234 | } |
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| 235 | tmp29 = tmp23 + tmp28; |
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| 236 | tmp58 = tmp56 + tmp57; |
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| 237 | { |
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| 238 | fftw_real tmp66; |
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| 239 | fftw_real tmp67; |
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| 240 | fftw_real tmp69; |
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| 241 | fftw_real tmp70; |
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| 242 | ASSERT_ALIGNED_DOUBLE(); |
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| 243 | tmp30 = tmp18 + tmp29; |
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| 244 | tmp66 = tmp18 - (K500000000 * tmp29); |
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| 245 | tmp67 = K866025403 * (tmp57 - tmp56); |
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| 246 | tmp68 = tmp66 - tmp67; |
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| 247 | tmp86 = tmp66 + tmp67; |
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| 248 | tmp59 = tmp55 + tmp58; |
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| 249 | tmp69 = tmp55 - (K500000000 * tmp58); |
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| 250 | tmp70 = K866025403 * (tmp23 - tmp28); |
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| 251 | tmp71 = tmp69 - tmp70; |
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| 252 | tmp87 = tmp70 + tmp69; |
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| 253 | } |
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| 254 | } |
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| 255 | { |
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| 256 | fftw_real tmp60; |
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| 257 | fftw_real tmp13; |
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| 258 | fftw_real tmp48; |
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| 259 | fftw_real tmp49; |
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| 260 | ASSERT_ALIGNED_DOUBLE(); |
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| 261 | tmp60 = K866025403 * (tmp54 - tmp59); |
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| 262 | tmp13 = tmp1 + tmp12; |
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| 263 | tmp48 = tmp30 + tmp47; |
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| 264 | tmp49 = tmp13 - (K500000000 * tmp48); |
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| 265 | c_re(inout[0]) = tmp13 + tmp48; |
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| 266 | c_re(inout[3 * iostride]) = tmp49 + tmp60; |
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| 267 | c_re(inout[6 * iostride]) = tmp49 - tmp60; |
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| 268 | } |
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| 269 | { |
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| 270 | fftw_real tmp101; |
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| 271 | fftw_real tmp97; |
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| 272 | fftw_real tmp100; |
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| 273 | fftw_real tmp102; |
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| 274 | ASSERT_ALIGNED_DOUBLE(); |
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| 275 | tmp101 = K866025403 * (tmp30 - tmp47); |
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| 276 | tmp97 = tmp59 + tmp54; |
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| 277 | tmp100 = tmp98 + tmp99; |
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| 278 | tmp102 = tmp100 - (K500000000 * tmp97); |
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| 279 | c_im(inout[0]) = tmp97 + tmp100; |
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| 280 | c_im(inout[6 * iostride]) = tmp102 - tmp101; |
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| 281 | c_im(inout[3 * iostride]) = tmp101 + tmp102; |
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| 282 | } |
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| 283 | { |
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| 284 | fftw_real tmp65; |
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| 285 | fftw_real tmp110; |
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| 286 | fftw_real tmp80; |
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| 287 | fftw_real tmp111; |
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| 288 | fftw_real tmp84; |
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| 289 | fftw_real tmp109; |
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| 290 | fftw_real tmp81; |
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| 291 | fftw_real tmp112; |
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| 292 | ASSERT_ALIGNED_DOUBLE(); |
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| 293 | tmp65 = tmp61 - tmp64; |
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| 294 | tmp110 = tmp105 - tmp104; |
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| 295 | { |
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| 296 | fftw_real tmp72; |
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| 297 | fftw_real tmp79; |
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| 298 | fftw_real tmp82; |
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| 299 | fftw_real tmp83; |
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| 300 | ASSERT_ALIGNED_DOUBLE(); |
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| 301 | tmp72 = (K173648177 * tmp68) - (K984807753 * tmp71); |
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| 302 | tmp79 = (K342020143 * tmp75) + (K939692620 * tmp78); |
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| 303 | tmp80 = tmp72 - tmp79; |
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| 304 | tmp111 = K866025403 * (tmp72 + tmp79); |
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| 305 | tmp82 = (K342020143 * tmp78) - (K939692620 * tmp75); |
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| 306 | tmp83 = (K173648177 * tmp71) + (K984807753 * tmp68); |
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| 307 | tmp84 = K866025403 * (tmp82 - tmp83); |
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| 308 | tmp109 = tmp83 + tmp82; |
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| 309 | } |
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| 310 | c_re(inout[2 * iostride]) = tmp65 + tmp80; |
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| 311 | tmp81 = tmp65 - (K500000000 * tmp80); |
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| 312 | c_re(inout[8 * iostride]) = tmp81 - tmp84; |
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| 313 | c_re(inout[5 * iostride]) = tmp81 + tmp84; |
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| 314 | c_im(inout[2 * iostride]) = tmp109 + tmp110; |
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| 315 | tmp112 = tmp110 - (K500000000 * tmp109); |
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| 316 | c_im(inout[5 * iostride]) = tmp111 + tmp112; |
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| 317 | c_im(inout[8 * iostride]) = tmp112 - tmp111; |
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| 318 | } |
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| 319 | { |
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| 320 | fftw_real tmp85; |
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| 321 | fftw_real tmp106; |
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| 322 | fftw_real tmp92; |
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| 323 | fftw_real tmp107; |
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| 324 | fftw_real tmp96; |
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| 325 | fftw_real tmp103; |
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| 326 | fftw_real tmp93; |
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| 327 | fftw_real tmp108; |
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| 328 | ASSERT_ALIGNED_DOUBLE(); |
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| 329 | tmp85 = tmp61 + tmp64; |
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| 330 | tmp106 = tmp104 + tmp105; |
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| 331 | { |
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| 332 | fftw_real tmp88; |
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| 333 | fftw_real tmp91; |
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| 334 | fftw_real tmp94; |
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| 335 | fftw_real tmp95; |
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| 336 | ASSERT_ALIGNED_DOUBLE(); |
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| 337 | tmp88 = (K766044443 * tmp86) - (K642787609 * tmp87); |
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| 338 | tmp91 = (K173648177 * tmp89) - (K984807753 * tmp90); |
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| 339 | tmp92 = tmp88 + tmp91; |
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| 340 | tmp107 = K866025403 * (tmp88 - tmp91); |
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| 341 | tmp94 = (K173648177 * tmp90) + (K984807753 * tmp89); |
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| 342 | tmp95 = (K766044443 * tmp87) + (K642787609 * tmp86); |
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| 343 | tmp96 = K866025403 * (tmp94 - tmp95); |
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| 344 | tmp103 = tmp95 + tmp94; |
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| 345 | } |
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| 346 | c_re(inout[iostride]) = tmp85 + tmp92; |
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| 347 | tmp93 = tmp85 - (K500000000 * tmp92); |
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| 348 | c_re(inout[7 * iostride]) = tmp93 - tmp96; |
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| 349 | c_re(inout[4 * iostride]) = tmp93 + tmp96; |
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| 350 | c_im(inout[iostride]) = tmp103 + tmp106; |
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| 351 | tmp108 = tmp106 - (K500000000 * tmp103); |
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| 352 | c_im(inout[4 * iostride]) = tmp107 + tmp108; |
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| 353 | c_im(inout[7 * iostride]) = tmp108 - tmp107; |
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| 354 | } |
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| 355 | } |
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| 356 | } |
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| 357 | |||
| 358 | static const int twiddle_order[] = |
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| 359 | {1, 2, 3, 4, 5, 6, 7, 8}; |
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| 360 | fftw_codelet_desc fftwi_twiddle_9_desc = |
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| 361 | { |
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| 362 | "fftwi_twiddle_9", |
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| 363 | (void (*)()) fftwi_twiddle_9, |
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| 364 | 9, |
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| 365 | FFTW_BACKWARD, |
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| 366 | FFTW_TWIDDLE, |
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| 367 | 209, |
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| 368 | 8, |
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| 369 | twiddle_order, |
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| 370 | }; |