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| Rev | Author | Line No. | Line |
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| 2 | pj | 1 | /* |
| 2 | * Copyright (c) 1997-1999 Massachusetts Institute of Technology |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License as published by |
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| 6 | * the Free Software Foundation; either version 2 of the License, or |
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| 7 | * (at your option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | * GNU General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License |
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| 15 | * along with this program; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | * |
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| 18 | */ |
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| 19 | |||
| 20 | /* This file was automatically generated --- DO NOT EDIT */ |
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| 21 | /* Generated on Tue May 18 13:54:27 EDT 1999 */ |
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| 22 | |||
| 107 | pj | 23 | #include <fftw-int.h> |
| 24 | #include <fftw.h> |
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| 2 | pj | 25 | |
| 26 | /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 7 */ |
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| 27 | |||
| 28 | /* |
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| 29 | * This function contains 60 FP additions, 36 FP multiplications, |
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| 30 | * (or, 60 additions, 36 multiplications, 0 fused multiply/add), |
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| 31 | * 22 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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| 107 | pj | 42 | * $Id: fn_7.c,v 1.2 2003-03-24 11:14:51 pj Exp $ |
| 43 | * $Id: fn_7.c,v 1.2 2003-03-24 11:14:51 pj Exp $ |
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| 44 | * $Id: fn_7.c,v 1.2 2003-03-24 11:14:51 pj Exp $ |
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| 2 | pj | 45 | */ |
| 46 | |||
| 47 | void fftw_no_twiddle_7(const fftw_complex *input, fftw_complex *output, int istride, int ostride) |
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| 48 | { |
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| 49 | fftw_real tmp1; |
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| 50 | fftw_real tmp30; |
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| 51 | fftw_real tmp4; |
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| 52 | fftw_real tmp26; |
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| 53 | fftw_real tmp14; |
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| 54 | fftw_real tmp33; |
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| 55 | fftw_real tmp7; |
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| 56 | fftw_real tmp28; |
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| 57 | fftw_real tmp20; |
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| 58 | fftw_real tmp31; |
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| 59 | fftw_real tmp10; |
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| 60 | fftw_real tmp27; |
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| 61 | fftw_real tmp17; |
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| 62 | fftw_real tmp32; |
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| 63 | ASSERT_ALIGNED_DOUBLE(); |
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| 64 | tmp1 = c_re(input[0]); |
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| 65 | tmp30 = c_im(input[0]); |
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| 66 | { |
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| 67 | fftw_real tmp2; |
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| 68 | fftw_real tmp3; |
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| 69 | fftw_real tmp12; |
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| 70 | fftw_real tmp13; |
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| 71 | ASSERT_ALIGNED_DOUBLE(); |
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| 72 | tmp2 = c_re(input[istride]); |
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| 73 | tmp3 = c_re(input[6 * istride]); |
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| 74 | tmp4 = tmp2 + tmp3; |
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| 75 | tmp26 = tmp3 - tmp2; |
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| 76 | tmp12 = c_im(input[istride]); |
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| 77 | tmp13 = c_im(input[6 * istride]); |
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| 78 | tmp14 = tmp12 - tmp13; |
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| 79 | tmp33 = tmp12 + tmp13; |
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| 80 | } |
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| 81 | { |
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| 82 | fftw_real tmp5; |
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| 83 | fftw_real tmp6; |
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| 84 | fftw_real tmp18; |
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| 85 | fftw_real tmp19; |
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| 86 | ASSERT_ALIGNED_DOUBLE(); |
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| 87 | tmp5 = c_re(input[2 * istride]); |
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| 88 | tmp6 = c_re(input[5 * istride]); |
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| 89 | tmp7 = tmp5 + tmp6; |
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| 90 | tmp28 = tmp6 - tmp5; |
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| 91 | tmp18 = c_im(input[2 * istride]); |
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| 92 | tmp19 = c_im(input[5 * istride]); |
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| 93 | tmp20 = tmp18 - tmp19; |
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| 94 | tmp31 = tmp18 + tmp19; |
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| 95 | } |
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| 96 | { |
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| 97 | fftw_real tmp8; |
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| 98 | fftw_real tmp9; |
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| 99 | fftw_real tmp15; |
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| 100 | fftw_real tmp16; |
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| 101 | ASSERT_ALIGNED_DOUBLE(); |
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| 102 | tmp8 = c_re(input[3 * istride]); |
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| 103 | tmp9 = c_re(input[4 * istride]); |
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| 104 | tmp10 = tmp8 + tmp9; |
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| 105 | tmp27 = tmp9 - tmp8; |
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| 106 | tmp15 = c_im(input[3 * istride]); |
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| 107 | tmp16 = c_im(input[4 * istride]); |
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| 108 | tmp17 = tmp15 - tmp16; |
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| 109 | tmp32 = tmp15 + tmp16; |
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| 110 | } |
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| 111 | { |
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| 112 | fftw_real tmp23; |
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| 113 | fftw_real tmp22; |
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| 114 | fftw_real tmp35; |
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| 115 | fftw_real tmp36; |
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| 116 | ASSERT_ALIGNED_DOUBLE(); |
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| 117 | c_re(output[0]) = tmp1 + tmp4 + tmp7 + tmp10; |
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| 118 | tmp23 = (K781831482 * tmp14) + (K974927912 * tmp20) + (K433883739 * tmp17); |
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| 119 | tmp22 = tmp1 + (K623489801 * tmp4) - (K900968867 * tmp10) - (K222520933 * tmp7); |
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| 120 | c_re(output[6 * ostride]) = tmp22 - tmp23; |
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| 121 | c_re(output[ostride]) = tmp22 + tmp23; |
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| 122 | { |
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| 123 | fftw_real tmp25; |
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| 124 | fftw_real tmp24; |
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| 125 | fftw_real tmp21; |
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| 126 | fftw_real tmp11; |
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| 127 | ASSERT_ALIGNED_DOUBLE(); |
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| 128 | tmp25 = (K433883739 * tmp14) + (K974927912 * tmp17) - (K781831482 * tmp20); |
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| 129 | tmp24 = tmp1 + (K623489801 * tmp7) - (K222520933 * tmp10) - (K900968867 * tmp4); |
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| 130 | c_re(output[4 * ostride]) = tmp24 - tmp25; |
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| 131 | c_re(output[3 * ostride]) = tmp24 + tmp25; |
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| 132 | tmp21 = (K974927912 * tmp14) - (K781831482 * tmp17) - (K433883739 * tmp20); |
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| 133 | tmp11 = tmp1 + (K623489801 * tmp10) - (K900968867 * tmp7) - (K222520933 * tmp4); |
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| 134 | c_re(output[5 * ostride]) = tmp11 - tmp21; |
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| 135 | c_re(output[2 * ostride]) = tmp11 + tmp21; |
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| 136 | } |
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| 137 | c_im(output[0]) = tmp30 + tmp33 + tmp31 + tmp32; |
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| 138 | tmp35 = (K781831482 * tmp26) + (K974927912 * tmp28) + (K433883739 * tmp27); |
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| 139 | tmp36 = tmp30 + (K623489801 * tmp33) - (K900968867 * tmp32) - (K222520933 * tmp31); |
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| 140 | c_im(output[ostride]) = tmp35 + tmp36; |
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| 141 | c_im(output[6 * ostride]) = tmp36 - tmp35; |
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| 142 | { |
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| 143 | fftw_real tmp29; |
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| 144 | fftw_real tmp34; |
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| 145 | fftw_real tmp37; |
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| 146 | fftw_real tmp38; |
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| 147 | ASSERT_ALIGNED_DOUBLE(); |
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| 148 | tmp29 = (K433883739 * tmp26) + (K974927912 * tmp27) - (K781831482 * tmp28); |
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| 149 | tmp34 = tmp30 + (K623489801 * tmp31) - (K222520933 * tmp32) - (K900968867 * tmp33); |
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| 150 | c_im(output[3 * ostride]) = tmp29 + tmp34; |
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| 151 | c_im(output[4 * ostride]) = tmp34 - tmp29; |
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| 152 | tmp37 = (K974927912 * tmp26) - (K781831482 * tmp27) - (K433883739 * tmp28); |
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| 153 | tmp38 = tmp30 + (K623489801 * tmp32) - (K900968867 * tmp31) - (K222520933 * tmp33); |
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| 154 | c_im(output[2 * ostride]) = tmp37 + tmp38; |
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| 155 | c_im(output[5 * ostride]) = tmp38 - tmp37; |
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| 156 | } |
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| 157 | } |
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| 158 | } |
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| 159 | |||
| 160 | fftw_codelet_desc fftw_no_twiddle_7_desc = |
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| 161 | { |
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| 162 | "fftw_no_twiddle_7", |
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| 163 | (void (*)()) fftw_no_twiddle_7, |
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| 164 | 7, |
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| 165 | FFTW_FORWARD, |
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| 166 | FFTW_NOTW, |
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| 167 | 155, |
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| 168 | 0, |
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| 169 | (const int *) 0, |
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| 170 | }; |