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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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 13:55:35 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 -hc2hc-forward 9 */ |
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| 27 | |||
| 28 | /* |
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| 29 | * This function contains 180 FP additions, 120 FP multiplications, |
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| 30 | * (or, 133 additions, 73 multiplications, 47 fused multiply/add), |
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| 31 | * 35 stack variables, and 72 memory accesses |
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| 32 | */ |
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| 33 | static const fftw_real K342020143 = FFTW_KONST(+0.342020143325668733044099614682259580763083368); |
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| 34 | static const fftw_real K813797681 = FFTW_KONST(+0.813797681349373692844693217248393223289101568); |
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| 35 | static const fftw_real K939692620 = FFTW_KONST(+0.939692620785908384054109277324731469936208134); |
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| 36 | static const fftw_real K296198132 = FFTW_KONST(+0.296198132726023843175338011893050938967728390); |
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| 37 | static const fftw_real K852868531 = FFTW_KONST(+0.852868531952443209628250963940074071936020296); |
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| 38 | static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677); |
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| 39 | static const fftw_real K556670399 = FFTW_KONST(+0.556670399226419366452912952047023132968291906); |
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| 40 | static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457); |
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| 41 | static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252); |
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| 42 | static const fftw_real K150383733 = FFTW_KONST(+0.150383733180435296639271897612501926072238258); |
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| 43 | static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884); |
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| 44 | static const fftw_real K663413948 = FFTW_KONST(+0.663413948168938396205421319635891297216863310); |
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| 45 | static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); |
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| 46 | static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); |
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| 47 | |||
| 48 | /* |
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| 49 | * Generator Id's : |
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| 50 | * $Id: fhf_9.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $ |
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| 51 | * $Id: fhf_9.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $ |
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| 52 | * $Id: fhf_9.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $ |
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| 53 | */ |
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| 54 | |||
| 55 | void fftw_hc2hc_forward_9(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist) |
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| 56 | { |
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| 57 | int i; |
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| 58 | fftw_real *X; |
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| 59 | fftw_real *Y; |
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| 60 | X = A; |
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| 61 | Y = A + (9 * iostride); |
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| 62 | { |
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| 63 | fftw_real tmp131; |
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| 64 | fftw_real tmp145; |
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| 65 | fftw_real tmp150; |
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| 66 | fftw_real tmp149; |
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| 67 | fftw_real tmp134; |
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| 68 | fftw_real tmp157; |
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| 69 | fftw_real tmp140; |
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| 70 | fftw_real tmp148; |
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| 71 | fftw_real tmp151; |
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| 72 | fftw_real tmp132; |
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| 73 | fftw_real tmp133; |
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| 74 | fftw_real tmp135; |
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| 75 | fftw_real tmp146; |
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| 76 | ASSERT_ALIGNED_DOUBLE(); |
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| 77 | tmp131 = X[0]; |
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| 78 | { |
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| 79 | fftw_real tmp141; |
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| 80 | fftw_real tmp142; |
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| 81 | fftw_real tmp143; |
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| 82 | fftw_real tmp144; |
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| 83 | ASSERT_ALIGNED_DOUBLE(); |
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| 84 | tmp141 = X[2 * iostride]; |
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| 85 | tmp142 = X[5 * iostride]; |
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| 86 | tmp143 = X[8 * iostride]; |
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| 87 | tmp144 = tmp142 + tmp143; |
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| 88 | tmp145 = tmp141 + tmp144; |
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| 89 | tmp150 = tmp141 - (K500000000 * tmp144); |
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| 90 | tmp149 = tmp143 - tmp142; |
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| 91 | } |
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| 92 | tmp132 = X[3 * iostride]; |
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| 93 | tmp133 = X[6 * iostride]; |
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| 94 | tmp134 = tmp132 + tmp133; |
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| 95 | tmp157 = tmp133 - tmp132; |
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| 96 | { |
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| 97 | fftw_real tmp136; |
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| 98 | fftw_real tmp137; |
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| 99 | fftw_real tmp138; |
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| 100 | fftw_real tmp139; |
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| 101 | ASSERT_ALIGNED_DOUBLE(); |
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| 102 | tmp136 = X[iostride]; |
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| 103 | tmp137 = X[4 * iostride]; |
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| 104 | tmp138 = X[7 * iostride]; |
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| 105 | tmp139 = tmp137 + tmp138; |
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| 106 | tmp140 = tmp136 + tmp139; |
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| 107 | tmp148 = tmp136 - (K500000000 * tmp139); |
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| 108 | tmp151 = tmp138 - tmp137; |
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| 109 | } |
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| 110 | Y[-3 * iostride] = K866025403 * (tmp145 - tmp140); |
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| 111 | tmp135 = tmp131 + tmp134; |
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| 112 | tmp146 = tmp140 + tmp145; |
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| 113 | X[3 * iostride] = tmp135 - (K500000000 * tmp146); |
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| 114 | X[0] = tmp135 + tmp146; |
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| 115 | { |
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| 116 | fftw_real tmp159; |
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| 117 | fftw_real tmp155; |
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| 118 | fftw_real tmp156; |
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| 119 | fftw_real tmp158; |
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| 120 | fftw_real tmp147; |
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| 121 | fftw_real tmp152; |
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| 122 | fftw_real tmp153; |
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| 123 | fftw_real tmp154; |
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| 124 | ASSERT_ALIGNED_DOUBLE(); |
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| 125 | tmp159 = K866025403 * tmp157; |
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| 126 | tmp155 = (K663413948 * tmp151) - (K642787609 * tmp148); |
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| 127 | tmp156 = (K150383733 * tmp149) - (K984807753 * tmp150); |
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| 128 | tmp158 = tmp155 + tmp156; |
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| 129 | tmp147 = tmp131 - (K500000000 * tmp134); |
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| 130 | tmp152 = (K766044443 * tmp148) + (K556670399 * tmp151); |
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| 131 | tmp153 = (K173648177 * tmp150) + (K852868531 * tmp149); |
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| 132 | tmp154 = tmp152 + tmp153; |
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| 133 | X[iostride] = tmp147 + tmp154; |
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| 134 | X[4 * iostride] = tmp147 + (K866025403 * (tmp155 - tmp156)) - (K500000000 * tmp154); |
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| 135 | X[2 * iostride] = tmp147 + (K173648177 * tmp148) - (K296198132 * tmp149) - (K939692620 * tmp150) - (K852868531 * tmp151); |
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| 136 | Y[-iostride] = tmp159 + tmp158; |
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| 137 | Y[-4 * iostride] = (K866025403 * (tmp157 + (tmp153 - tmp152))) - (K500000000 * tmp158); |
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| 138 | Y[-2 * iostride] = (K813797681 * tmp149) - (K342020143 * tmp150) - (K150383733 * tmp151) - (K984807753 * tmp148) - tmp159; |
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| 139 | } |
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| 140 | } |
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| 141 | X = X + dist; |
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| 142 | Y = Y - dist; |
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| 143 | for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 8) { |
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| 144 | fftw_real tmp19; |
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| 145 | fftw_real tmp117; |
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| 146 | fftw_real tmp70; |
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| 147 | fftw_real tmp116; |
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| 148 | fftw_real tmp123; |
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| 149 | fftw_real tmp122; |
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| 150 | fftw_real tmp30; |
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| 151 | fftw_real tmp67; |
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| 152 | fftw_real tmp65; |
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| 153 | fftw_real tmp87; |
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| 154 | fftw_real tmp104; |
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| 155 | fftw_real tmp113; |
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| 156 | fftw_real tmp92; |
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| 157 | fftw_real tmp103; |
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| 158 | fftw_real tmp48; |
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| 159 | fftw_real tmp76; |
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| 160 | fftw_real tmp100; |
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| 161 | fftw_real tmp112; |
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| 162 | fftw_real tmp81; |
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| 163 | fftw_real tmp101; |
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| 164 | ASSERT_ALIGNED_DOUBLE(); |
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| 165 | { |
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| 166 | fftw_real tmp24; |
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| 167 | fftw_real tmp68; |
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| 168 | fftw_real tmp29; |
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| 169 | fftw_real tmp69; |
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| 170 | ASSERT_ALIGNED_DOUBLE(); |
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| 171 | tmp19 = X[0]; |
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| 172 | tmp117 = Y[-8 * iostride]; |
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| 173 | { |
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| 174 | fftw_real tmp21; |
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| 175 | fftw_real tmp23; |
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| 176 | fftw_real tmp20; |
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| 177 | fftw_real tmp22; |
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| 178 | ASSERT_ALIGNED_DOUBLE(); |
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| 179 | tmp21 = X[3 * iostride]; |
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| 180 | tmp23 = Y[-5 * iostride]; |
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| 181 | tmp20 = c_re(W[2]); |
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| 182 | tmp22 = c_im(W[2]); |
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| 183 | tmp24 = (tmp20 * tmp21) - (tmp22 * tmp23); |
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| 184 | tmp68 = (tmp22 * tmp21) + (tmp20 * tmp23); |
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| 185 | } |
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| 186 | { |
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| 187 | fftw_real tmp26; |
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| 188 | fftw_real tmp28; |
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| 189 | fftw_real tmp25; |
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| 190 | fftw_real tmp27; |
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| 191 | ASSERT_ALIGNED_DOUBLE(); |
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| 192 | tmp26 = X[6 * iostride]; |
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| 193 | tmp28 = Y[-2 * iostride]; |
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| 194 | tmp25 = c_re(W[5]); |
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| 195 | tmp27 = c_im(W[5]); |
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| 196 | tmp29 = (tmp25 * tmp26) - (tmp27 * tmp28); |
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| 197 | tmp69 = (tmp27 * tmp26) + (tmp25 * tmp28); |
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| 198 | } |
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| 199 | tmp70 = K866025403 * (tmp68 - tmp69); |
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| 200 | tmp116 = tmp68 + tmp69; |
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| 201 | tmp123 = tmp117 - (K500000000 * tmp116); |
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| 202 | tmp122 = K866025403 * (tmp29 - tmp24); |
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| 203 | tmp30 = tmp24 + tmp29; |
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| 204 | tmp67 = tmp19 - (K500000000 * tmp30); |
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| 205 | } |
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| 206 | { |
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| 207 | fftw_real tmp53; |
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| 208 | fftw_real tmp89; |
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| 209 | fftw_real tmp58; |
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| 210 | fftw_real tmp84; |
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| 211 | fftw_real tmp63; |
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| 212 | fftw_real tmp85; |
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| 213 | fftw_real tmp64; |
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| 214 | fftw_real tmp90; |
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| 215 | ASSERT_ALIGNED_DOUBLE(); |
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| 216 | { |
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| 217 | fftw_real tmp50; |
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| 218 | fftw_real tmp52; |
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| 219 | fftw_real tmp49; |
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| 220 | fftw_real tmp51; |
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| 221 | ASSERT_ALIGNED_DOUBLE(); |
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| 222 | tmp50 = X[2 * iostride]; |
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| 223 | tmp52 = Y[-6 * iostride]; |
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| 224 | tmp49 = c_re(W[1]); |
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| 225 | tmp51 = c_im(W[1]); |
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| 226 | tmp53 = (tmp49 * tmp50) - (tmp51 * tmp52); |
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| 227 | tmp89 = (tmp51 * tmp50) + (tmp49 * tmp52); |
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| 228 | } |
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| 229 | { |
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| 230 | fftw_real tmp55; |
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| 231 | fftw_real tmp57; |
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| 232 | fftw_real tmp54; |
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| 233 | fftw_real tmp56; |
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| 234 | ASSERT_ALIGNED_DOUBLE(); |
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| 235 | tmp55 = X[5 * iostride]; |
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| 236 | tmp57 = Y[-3 * iostride]; |
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| 237 | tmp54 = c_re(W[4]); |
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| 238 | tmp56 = c_im(W[4]); |
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| 239 | tmp58 = (tmp54 * tmp55) - (tmp56 * tmp57); |
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| 240 | tmp84 = (tmp56 * tmp55) + (tmp54 * tmp57); |
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| 241 | } |
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| 242 | { |
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| 243 | fftw_real tmp60; |
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| 244 | fftw_real tmp62; |
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| 245 | fftw_real tmp59; |
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| 246 | fftw_real tmp61; |
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| 247 | ASSERT_ALIGNED_DOUBLE(); |
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| 248 | tmp60 = X[8 * iostride]; |
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| 249 | tmp62 = Y[0]; |
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| 250 | tmp59 = c_re(W[7]); |
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| 251 | tmp61 = c_im(W[7]); |
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| 252 | tmp63 = (tmp59 * tmp60) - (tmp61 * tmp62); |
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| 253 | tmp85 = (tmp61 * tmp60) + (tmp59 * tmp62); |
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| 254 | } |
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| 255 | tmp64 = tmp58 + tmp63; |
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| 256 | tmp90 = tmp84 + tmp85; |
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| 257 | { |
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| 258 | fftw_real tmp83; |
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| 259 | fftw_real tmp86; |
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| 260 | fftw_real tmp88; |
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| 261 | fftw_real tmp91; |
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| 262 | ASSERT_ALIGNED_DOUBLE(); |
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| 263 | tmp65 = tmp53 + tmp64; |
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| 264 | tmp83 = tmp53 - (K500000000 * tmp64); |
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| 265 | tmp86 = K866025403 * (tmp84 - tmp85); |
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| 266 | tmp87 = tmp83 + tmp86; |
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| 267 | tmp104 = tmp83 - tmp86; |
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| 268 | tmp113 = tmp89 + tmp90; |
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| 269 | tmp88 = K866025403 * (tmp63 - tmp58); |
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| 270 | tmp91 = tmp89 - (K500000000 * tmp90); |
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| 271 | tmp92 = tmp88 + tmp91; |
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| 272 | tmp103 = tmp91 - tmp88; |
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| 273 | } |
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| 274 | } |
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| 275 | { |
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| 276 | fftw_real tmp36; |
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| 277 | fftw_real tmp78; |
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| 278 | fftw_real tmp41; |
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| 279 | fftw_real tmp73; |
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| 280 | fftw_real tmp46; |
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| 281 | fftw_real tmp74; |
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| 282 | fftw_real tmp47; |
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| 283 | fftw_real tmp79; |
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| 284 | ASSERT_ALIGNED_DOUBLE(); |
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| 285 | { |
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| 286 | fftw_real tmp33; |
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| 287 | fftw_real tmp35; |
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| 288 | fftw_real tmp32; |
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| 289 | fftw_real tmp34; |
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| 290 | ASSERT_ALIGNED_DOUBLE(); |
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| 291 | tmp33 = X[iostride]; |
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| 292 | tmp35 = Y[-7 * iostride]; |
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| 293 | tmp32 = c_re(W[0]); |
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| 294 | tmp34 = c_im(W[0]); |
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| 295 | tmp36 = (tmp32 * tmp33) - (tmp34 * tmp35); |
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| 296 | tmp78 = (tmp34 * tmp33) + (tmp32 * tmp35); |
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| 297 | } |
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| 298 | { |
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| 299 | fftw_real tmp38; |
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| 300 | fftw_real tmp40; |
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| 301 | fftw_real tmp37; |
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| 302 | fftw_real tmp39; |
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| 303 | ASSERT_ALIGNED_DOUBLE(); |
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| 304 | tmp38 = X[4 * iostride]; |
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| 305 | tmp40 = Y[-4 * iostride]; |
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| 306 | tmp37 = c_re(W[3]); |
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| 307 | tmp39 = c_im(W[3]); |
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| 308 | tmp41 = (tmp37 * tmp38) - (tmp39 * tmp40); |
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| 309 | tmp73 = (tmp39 * tmp38) + (tmp37 * tmp40); |
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| 310 | } |
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| 311 | { |
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| 312 | fftw_real tmp43; |
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| 313 | fftw_real tmp45; |
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| 314 | fftw_real tmp42; |
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| 315 | fftw_real tmp44; |
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| 316 | ASSERT_ALIGNED_DOUBLE(); |
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| 317 | tmp43 = X[7 * iostride]; |
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| 318 | tmp45 = Y[-iostride]; |
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| 319 | tmp42 = c_re(W[6]); |
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| 320 | tmp44 = c_im(W[6]); |
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| 321 | tmp46 = (tmp42 * tmp43) - (tmp44 * tmp45); |
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| 322 | tmp74 = (tmp44 * tmp43) + (tmp42 * tmp45); |
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| 323 | } |
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| 324 | tmp47 = tmp41 + tmp46; |
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| 325 | tmp79 = tmp73 + tmp74; |
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| 326 | { |
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| 327 | fftw_real tmp72; |
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| 328 | fftw_real tmp75; |
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| 329 | fftw_real tmp77; |
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| 330 | fftw_real tmp80; |
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| 331 | ASSERT_ALIGNED_DOUBLE(); |
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| 332 | tmp48 = tmp36 + tmp47; |
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| 333 | tmp72 = tmp36 - (K500000000 * tmp47); |
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| 334 | tmp75 = K866025403 * (tmp73 - tmp74); |
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| 335 | tmp76 = tmp72 + tmp75; |
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| 336 | tmp100 = tmp72 - tmp75; |
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| 337 | tmp112 = tmp78 + tmp79; |
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| 338 | tmp77 = K866025403 * (tmp46 - tmp41); |
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| 339 | tmp80 = tmp78 - (K500000000 * tmp79); |
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| 340 | tmp81 = tmp77 + tmp80; |
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| 341 | tmp101 = tmp80 - tmp77; |
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| 342 | } |
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| 343 | } |
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| 344 | { |
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| 345 | fftw_real tmp114; |
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| 346 | fftw_real tmp31; |
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| 347 | fftw_real tmp66; |
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| 348 | fftw_real tmp111; |
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| 349 | ASSERT_ALIGNED_DOUBLE(); |
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| 350 | tmp114 = K866025403 * (tmp112 - tmp113); |
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| 351 | tmp31 = tmp19 + tmp30; |
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| 352 | tmp66 = tmp48 + tmp65; |
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| 353 | tmp111 = tmp31 - (K500000000 * tmp66); |
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| 354 | X[0] = tmp31 + tmp66; |
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| 355 | X[3 * iostride] = tmp111 + tmp114; |
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| 356 | Y[-6 * iostride] = tmp111 - tmp114; |
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| 357 | } |
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| 358 | { |
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| 359 | fftw_real tmp120; |
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| 360 | fftw_real tmp115; |
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| 361 | fftw_real tmp118; |
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| 362 | fftw_real tmp119; |
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| 363 | ASSERT_ALIGNED_DOUBLE(); |
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| 364 | tmp120 = K866025403 * (tmp65 - tmp48); |
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| 365 | tmp115 = tmp112 + tmp113; |
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| 366 | tmp118 = tmp116 + tmp117; |
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| 367 | tmp119 = tmp118 - (K500000000 * tmp115); |
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| 368 | Y[0] = tmp115 + tmp118; |
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| 369 | Y[-3 * iostride] = tmp120 + tmp119; |
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| 370 | X[6 * iostride] = -(tmp119 - tmp120); |
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| 371 | } |
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| 372 | { |
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| 373 | fftw_real tmp71; |
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| 374 | fftw_real tmp124; |
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| 375 | fftw_real tmp94; |
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| 376 | fftw_real tmp126; |
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| 377 | fftw_real tmp98; |
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| 378 | fftw_real tmp121; |
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| 379 | fftw_real tmp95; |
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| 380 | fftw_real tmp125; |
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| 381 | ASSERT_ALIGNED_DOUBLE(); |
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| 382 | tmp71 = tmp67 + tmp70; |
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| 383 | tmp124 = tmp122 + tmp123; |
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| 384 | { |
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| 385 | fftw_real tmp82; |
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| 386 | fftw_real tmp93; |
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| 387 | fftw_real tmp96; |
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| 388 | fftw_real tmp97; |
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| 389 | ASSERT_ALIGNED_DOUBLE(); |
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| 390 | tmp82 = (K766044443 * tmp76) + (K642787609 * tmp81); |
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| 391 | tmp93 = (K173648177 * tmp87) + (K984807753 * tmp92); |
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| 392 | tmp94 = tmp82 + tmp93; |
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| 393 | tmp126 = K866025403 * (tmp93 - tmp82); |
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| 394 | tmp96 = (K766044443 * tmp81) - (K642787609 * tmp76); |
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| 395 | tmp97 = (K173648177 * tmp92) - (K984807753 * tmp87); |
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| 396 | tmp98 = K866025403 * (tmp96 - tmp97); |
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| 397 | tmp121 = tmp96 + tmp97; |
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| 398 | } |
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| 399 | X[iostride] = tmp71 + tmp94; |
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| 400 | tmp95 = tmp71 - (K500000000 * tmp94); |
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| 401 | Y[-7 * iostride] = tmp95 - tmp98; |
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| 402 | X[4 * iostride] = tmp95 + tmp98; |
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| 403 | Y[-iostride] = tmp121 + tmp124; |
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| 404 | tmp125 = tmp124 - (K500000000 * tmp121); |
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| 405 | X[7 * iostride] = -(tmp125 - tmp126); |
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| 406 | Y[-4 * iostride] = tmp126 + tmp125; |
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| 407 | } |
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| 408 | { |
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| 409 | fftw_real tmp99; |
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| 410 | fftw_real tmp128; |
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| 411 | fftw_real tmp106; |
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| 412 | fftw_real tmp127; |
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| 413 | fftw_real tmp110; |
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| 414 | fftw_real tmp129; |
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| 415 | fftw_real tmp107; |
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| 416 | fftw_real tmp130; |
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| 417 | ASSERT_ALIGNED_DOUBLE(); |
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| 418 | tmp99 = tmp67 - tmp70; |
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| 419 | tmp128 = tmp123 - tmp122; |
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| 420 | { |
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| 421 | fftw_real tmp102; |
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| 422 | fftw_real tmp105; |
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| 423 | fftw_real tmp108; |
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| 424 | fftw_real tmp109; |
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| 425 | ASSERT_ALIGNED_DOUBLE(); |
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| 426 | tmp102 = (K173648177 * tmp100) + (K984807753 * tmp101); |
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| 427 | tmp105 = (K342020143 * tmp103) - (K939692620 * tmp104); |
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| 428 | tmp106 = tmp102 + tmp105; |
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| 429 | tmp127 = K866025403 * (tmp105 - tmp102); |
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| 430 | tmp108 = (K173648177 * tmp101) - (K984807753 * tmp100); |
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| 431 | tmp109 = (K342020143 * tmp104) + (K939692620 * tmp103); |
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| 432 | tmp110 = K866025403 * (tmp108 + tmp109); |
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| 433 | tmp129 = tmp108 - tmp109; |
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| 434 | } |
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| 435 | X[2 * iostride] = tmp99 + tmp106; |
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| 436 | tmp107 = tmp99 - (K500000000 * tmp106); |
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| 437 | Y[-8 * iostride] = tmp107 - tmp110; |
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| 438 | Y[-5 * iostride] = tmp107 + tmp110; |
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| 439 | Y[-2 * iostride] = tmp129 + tmp128; |
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| 440 | tmp130 = tmp128 - (K500000000 * tmp129); |
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| 441 | X[5 * iostride] = -(tmp127 + tmp130); |
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| 442 | X[8 * iostride] = -(tmp130 - tmp127); |
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| 443 | } |
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| 444 | } |
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| 445 | if (i == m) { |
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| 446 | fftw_real tmp5; |
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| 447 | fftw_real tmp10; |
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| 448 | fftw_real tmp14; |
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| 449 | fftw_real tmp18; |
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| 450 | fftw_real tmp7; |
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| 451 | fftw_real tmp8; |
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| 452 | fftw_real tmp12; |
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| 453 | fftw_real tmp16; |
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| 454 | fftw_real tmp6; |
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| 455 | fftw_real tmp9; |
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| 456 | fftw_real tmp13; |
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| 457 | fftw_real tmp17; |
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| 458 | fftw_real tmp11; |
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| 459 | fftw_real tmp15; |
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| 460 | fftw_real tmp4; |
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| 461 | fftw_real tmp1; |
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| 462 | fftw_real tmp3; |
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| 463 | fftw_real tmp2; |
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| 464 | ASSERT_ALIGNED_DOUBLE(); |
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| 465 | tmp5 = X[2 * iostride]; |
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| 466 | tmp10 = X[7 * iostride]; |
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| 467 | tmp14 = tmp5 + tmp10; |
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| 468 | tmp18 = tmp5 - tmp10; |
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| 469 | tmp7 = X[4 * iostride]; |
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| 470 | tmp8 = X[5 * iostride]; |
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| 471 | tmp12 = tmp8 + tmp7; |
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| 472 | tmp16 = tmp8 - tmp7; |
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| 473 | tmp6 = X[8 * iostride]; |
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| 474 | tmp9 = X[iostride]; |
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| 475 | tmp13 = tmp6 + tmp9; |
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| 476 | tmp17 = tmp6 - tmp9; |
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| 477 | tmp1 = X[0]; |
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| 478 | tmp3 = X[3 * iostride]; |
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| 479 | tmp2 = X[6 * iostride]; |
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| 480 | tmp11 = K866025403 * (tmp3 + tmp2); |
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| 481 | tmp15 = tmp1 - (K500000000 * (tmp2 - tmp3)); |
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| 482 | tmp4 = tmp1 + tmp2 - tmp3; |
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| 483 | Y[0] = -(tmp11 + (K984807753 * tmp12) + (K342020143 * tmp13) + (K642787609 * tmp14)); |
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| 484 | Y[-3 * iostride] = (K342020143 * tmp12) + (K984807753 * tmp14) - (K642787609 * tmp13) - tmp11; |
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| 485 | Y[-2 * iostride] = tmp11 + (K342020143 * tmp14) - (K984807753 * tmp13) - (K642787609 * tmp12); |
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| 486 | X[2 * iostride] = tmp15 + (K173648177 * tmp17) - (K939692620 * tmp18) - (K766044443 * tmp16); |
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| 487 | X[3 * iostride] = tmp15 + (K939692620 * tmp16) + (K766044443 * tmp17) + (K173648177 * tmp18); |
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| 488 | X[0] = tmp15 + (K766044443 * tmp18) - (K939692620 * tmp17) - (K173648177 * tmp16); |
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| 489 | Y[-iostride] = K866025403 * (tmp8 + tmp7 - (tmp5 + tmp6 + tmp9 + tmp10)); |
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| 490 | X[iostride] = tmp4 + (K500000000 * (tmp8 + tmp9 + tmp10 - (tmp5 + tmp6 + tmp7))); |
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| 491 | X[4 * iostride] = tmp4 + tmp5 + tmp6 + tmp7 - (tmp8 + tmp9 + tmp10); |
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| 492 | } |
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| 493 | } |
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| 494 | |||
| 495 | static const int twiddle_order[] = |
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| 496 | {1, 2, 3, 4, 5, 6, 7, 8}; |
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| 497 | fftw_codelet_desc fftw_hc2hc_forward_9_desc = |
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| 498 | { |
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| 499 | "fftw_hc2hc_forward_9", |
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| 500 | (void (*)()) fftw_hc2hc_forward_9, |
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| 501 | 9, |
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| 502 | FFTW_FORWARD, |
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| 503 | FFTW_HC2HC, |
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| 504 | 201, |
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| 505 | 8, |
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| 506 | twiddle_order, |
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| 507 | }; |