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2 | pj | 1 | /* |
2 | * Copyright (c) 1997-1999 Massachusetts Institute of Technology |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License as published by |
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6 | * the Free Software Foundation; either version 2 of the License, or |
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7 | * (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License |
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15 | * along with this program; if not, write to the Free Software |
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16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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17 | * |
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18 | */ |
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19 | |||
20 | /* This file was automatically generated --- DO NOT EDIT */ |
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21 | /* Generated on Tue May 18 13:54:30 EDT 1999 */ |
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22 | |||
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 -notwiddle 15 */ |
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27 | |||
28 | /* |
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29 | * This function contains 156 FP additions, 56 FP multiplications, |
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30 | * (or, 128 additions, 28 multiplications, 28 fused multiply/add), |
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31 | * 62 stack variables, and 60 memory accesses |
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32 | */ |
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33 | static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); |
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34 | static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); |
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35 | static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000); |
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36 | static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590); |
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37 | static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); |
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38 | static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); |
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39 | |||
40 | /* |
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41 | * Generator Id's : |
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42 | * $Id: fn_15.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
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43 | * $Id: fn_15.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
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44 | * $Id: fn_15.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
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45 | */ |
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46 | |||
47 | void fftw_no_twiddle_15(const fftw_complex *input, fftw_complex *output, int istride, int ostride) |
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48 | { |
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49 | fftw_real tmp5; |
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50 | fftw_real tmp33; |
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51 | fftw_real tmp57; |
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52 | fftw_real tmp145; |
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53 | fftw_real tmp100; |
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54 | fftw_real tmp124; |
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55 | fftw_real tmp21; |
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56 | fftw_real tmp26; |
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57 | fftw_real tmp27; |
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58 | fftw_real tmp49; |
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59 | fftw_real tmp54; |
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60 | fftw_real tmp55; |
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61 | fftw_real tmp136; |
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62 | fftw_real tmp137; |
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63 | fftw_real tmp147; |
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64 | fftw_real tmp61; |
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65 | fftw_real tmp62; |
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66 | fftw_real tmp63; |
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67 | fftw_real tmp112; |
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68 | fftw_real tmp113; |
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69 | fftw_real tmp126; |
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70 | fftw_real tmp83; |
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71 | fftw_real tmp88; |
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72 | fftw_real tmp94; |
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73 | fftw_real tmp10; |
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74 | fftw_real tmp15; |
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75 | fftw_real tmp16; |
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76 | fftw_real tmp38; |
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77 | fftw_real tmp43; |
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78 | fftw_real tmp44; |
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79 | fftw_real tmp139; |
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80 | fftw_real tmp140; |
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81 | fftw_real tmp146; |
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82 | fftw_real tmp58; |
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83 | fftw_real tmp59; |
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84 | fftw_real tmp60; |
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85 | fftw_real tmp115; |
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86 | fftw_real tmp116; |
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87 | fftw_real tmp125; |
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88 | fftw_real tmp72; |
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89 | fftw_real tmp77; |
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90 | fftw_real tmp93; |
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91 | ASSERT_ALIGNED_DOUBLE(); |
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92 | { |
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93 | fftw_real tmp1; |
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94 | fftw_real tmp97; |
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95 | fftw_real tmp4; |
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96 | fftw_real tmp96; |
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97 | fftw_real tmp32; |
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98 | fftw_real tmp98; |
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99 | fftw_real tmp29; |
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100 | fftw_real tmp99; |
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101 | ASSERT_ALIGNED_DOUBLE(); |
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102 | tmp1 = c_re(input[0]); |
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103 | tmp97 = c_im(input[0]); |
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104 | { |
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105 | fftw_real tmp2; |
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106 | fftw_real tmp3; |
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107 | fftw_real tmp30; |
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108 | fftw_real tmp31; |
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109 | ASSERT_ALIGNED_DOUBLE(); |
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110 | tmp2 = c_re(input[5 * istride]); |
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111 | tmp3 = c_re(input[10 * istride]); |
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112 | tmp4 = tmp2 + tmp3; |
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113 | tmp96 = K866025403 * (tmp3 - tmp2); |
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114 | tmp30 = c_im(input[5 * istride]); |
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115 | tmp31 = c_im(input[10 * istride]); |
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116 | tmp32 = K866025403 * (tmp30 - tmp31); |
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117 | tmp98 = tmp30 + tmp31; |
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118 | } |
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119 | tmp5 = tmp1 + tmp4; |
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120 | tmp29 = tmp1 - (K500000000 * tmp4); |
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121 | tmp33 = tmp29 - tmp32; |
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122 | tmp57 = tmp29 + tmp32; |
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123 | tmp145 = tmp97 + tmp98; |
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124 | tmp99 = tmp97 - (K500000000 * tmp98); |
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125 | tmp100 = tmp96 + tmp99; |
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126 | tmp124 = tmp99 - tmp96; |
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127 | } |
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128 | { |
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129 | fftw_real tmp17; |
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130 | fftw_real tmp20; |
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131 | fftw_real tmp45; |
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132 | fftw_real tmp79; |
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133 | fftw_real tmp80; |
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134 | fftw_real tmp81; |
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135 | fftw_real tmp48; |
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136 | fftw_real tmp82; |
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137 | fftw_real tmp22; |
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138 | fftw_real tmp25; |
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139 | fftw_real tmp50; |
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140 | fftw_real tmp84; |
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141 | fftw_real tmp85; |
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142 | fftw_real tmp86; |
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143 | fftw_real tmp53; |
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144 | fftw_real tmp87; |
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145 | ASSERT_ALIGNED_DOUBLE(); |
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146 | { |
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147 | fftw_real tmp18; |
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148 | fftw_real tmp19; |
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149 | fftw_real tmp46; |
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150 | fftw_real tmp47; |
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151 | ASSERT_ALIGNED_DOUBLE(); |
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152 | tmp17 = c_re(input[6 * istride]); |
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153 | tmp18 = c_re(input[11 * istride]); |
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154 | tmp19 = c_re(input[istride]); |
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155 | tmp20 = tmp18 + tmp19; |
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156 | tmp45 = tmp17 - (K500000000 * tmp20); |
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157 | tmp79 = K866025403 * (tmp19 - tmp18); |
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158 | tmp80 = c_im(input[6 * istride]); |
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159 | tmp46 = c_im(input[11 * istride]); |
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160 | tmp47 = c_im(input[istride]); |
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161 | tmp81 = tmp46 + tmp47; |
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162 | tmp48 = K866025403 * (tmp46 - tmp47); |
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163 | tmp82 = tmp80 - (K500000000 * tmp81); |
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164 | } |
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165 | { |
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166 | fftw_real tmp23; |
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167 | fftw_real tmp24; |
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168 | fftw_real tmp51; |
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169 | fftw_real tmp52; |
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170 | ASSERT_ALIGNED_DOUBLE(); |
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171 | tmp22 = c_re(input[9 * istride]); |
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172 | tmp23 = c_re(input[14 * istride]); |
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173 | tmp24 = c_re(input[4 * istride]); |
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174 | tmp25 = tmp23 + tmp24; |
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175 | tmp50 = tmp22 - (K500000000 * tmp25); |
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176 | tmp84 = K866025403 * (tmp24 - tmp23); |
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177 | tmp85 = c_im(input[9 * istride]); |
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178 | tmp51 = c_im(input[14 * istride]); |
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179 | tmp52 = c_im(input[4 * istride]); |
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180 | tmp86 = tmp51 + tmp52; |
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181 | tmp53 = K866025403 * (tmp51 - tmp52); |
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182 | tmp87 = tmp85 - (K500000000 * tmp86); |
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183 | } |
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184 | tmp21 = tmp17 + tmp20; |
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185 | tmp26 = tmp22 + tmp25; |
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186 | tmp27 = tmp21 + tmp26; |
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187 | tmp49 = tmp45 - tmp48; |
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188 | tmp54 = tmp50 - tmp53; |
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189 | tmp55 = tmp49 + tmp54; |
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190 | tmp136 = tmp80 + tmp81; |
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191 | tmp137 = tmp85 + tmp86; |
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192 | tmp147 = tmp136 + tmp137; |
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193 | tmp61 = tmp45 + tmp48; |
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194 | tmp62 = tmp50 + tmp53; |
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195 | tmp63 = tmp61 + tmp62; |
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196 | tmp112 = tmp82 - tmp79; |
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197 | tmp113 = tmp87 - tmp84; |
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198 | tmp126 = tmp112 + tmp113; |
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199 | tmp83 = tmp79 + tmp82; |
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200 | tmp88 = tmp84 + tmp87; |
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201 | tmp94 = tmp83 + tmp88; |
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202 | } |
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203 | { |
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204 | fftw_real tmp6; |
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205 | fftw_real tmp9; |
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206 | fftw_real tmp34; |
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207 | fftw_real tmp68; |
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208 | fftw_real tmp69; |
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209 | fftw_real tmp70; |
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210 | fftw_real tmp37; |
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211 | fftw_real tmp71; |
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212 | fftw_real tmp11; |
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213 | fftw_real tmp14; |
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214 | fftw_real tmp39; |
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215 | fftw_real tmp73; |
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216 | fftw_real tmp74; |
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217 | fftw_real tmp75; |
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218 | fftw_real tmp42; |
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219 | fftw_real tmp76; |
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220 | ASSERT_ALIGNED_DOUBLE(); |
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221 | { |
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222 | fftw_real tmp7; |
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223 | fftw_real tmp8; |
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224 | fftw_real tmp35; |
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225 | fftw_real tmp36; |
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226 | ASSERT_ALIGNED_DOUBLE(); |
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227 | tmp6 = c_re(input[3 * istride]); |
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228 | tmp7 = c_re(input[8 * istride]); |
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229 | tmp8 = c_re(input[13 * istride]); |
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230 | tmp9 = tmp7 + tmp8; |
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231 | tmp34 = tmp6 - (K500000000 * tmp9); |
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232 | tmp68 = K866025403 * (tmp8 - tmp7); |
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233 | tmp69 = c_im(input[3 * istride]); |
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234 | tmp35 = c_im(input[8 * istride]); |
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235 | tmp36 = c_im(input[13 * istride]); |
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236 | tmp70 = tmp35 + tmp36; |
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237 | tmp37 = K866025403 * (tmp35 - tmp36); |
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238 | tmp71 = tmp69 - (K500000000 * tmp70); |
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239 | } |
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240 | { |
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241 | fftw_real tmp12; |
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242 | fftw_real tmp13; |
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243 | fftw_real tmp40; |
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244 | fftw_real tmp41; |
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245 | ASSERT_ALIGNED_DOUBLE(); |
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246 | tmp11 = c_re(input[12 * istride]); |
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247 | tmp12 = c_re(input[2 * istride]); |
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248 | tmp13 = c_re(input[7 * istride]); |
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249 | tmp14 = tmp12 + tmp13; |
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250 | tmp39 = tmp11 - (K500000000 * tmp14); |
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251 | tmp73 = K866025403 * (tmp13 - tmp12); |
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252 | tmp74 = c_im(input[12 * istride]); |
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253 | tmp40 = c_im(input[2 * istride]); |
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254 | tmp41 = c_im(input[7 * istride]); |
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255 | tmp75 = tmp40 + tmp41; |
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256 | tmp42 = K866025403 * (tmp40 - tmp41); |
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257 | tmp76 = tmp74 - (K500000000 * tmp75); |
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258 | } |
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259 | tmp10 = tmp6 + tmp9; |
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260 | tmp15 = tmp11 + tmp14; |
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261 | tmp16 = tmp10 + tmp15; |
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262 | tmp38 = tmp34 - tmp37; |
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263 | tmp43 = tmp39 - tmp42; |
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264 | tmp44 = tmp38 + tmp43; |
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265 | tmp139 = tmp69 + tmp70; |
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266 | tmp140 = tmp74 + tmp75; |
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267 | tmp146 = tmp139 + tmp140; |
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268 | tmp58 = tmp34 + tmp37; |
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269 | tmp59 = tmp39 + tmp42; |
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270 | tmp60 = tmp58 + tmp59; |
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271 | tmp115 = tmp71 - tmp68; |
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272 | tmp116 = tmp76 - tmp73; |
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273 | tmp125 = tmp115 + tmp116; |
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274 | tmp72 = tmp68 + tmp71; |
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275 | tmp77 = tmp73 + tmp76; |
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276 | tmp93 = tmp72 + tmp77; |
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277 | } |
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278 | { |
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279 | fftw_real tmp134; |
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280 | fftw_real tmp28; |
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281 | fftw_real tmp133; |
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282 | fftw_real tmp142; |
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283 | fftw_real tmp144; |
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284 | fftw_real tmp138; |
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285 | fftw_real tmp141; |
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286 | fftw_real tmp143; |
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287 | fftw_real tmp135; |
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288 | ASSERT_ALIGNED_DOUBLE(); |
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289 | tmp134 = K559016994 * (tmp16 - tmp27); |
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290 | tmp28 = tmp16 + tmp27; |
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291 | tmp133 = tmp5 - (K250000000 * tmp28); |
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292 | tmp138 = tmp136 - tmp137; |
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293 | tmp141 = tmp139 - tmp140; |
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294 | tmp142 = (K951056516 * tmp138) - (K587785252 * tmp141); |
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295 | tmp144 = (K951056516 * tmp141) + (K587785252 * tmp138); |
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296 | c_re(output[0]) = tmp5 + tmp28; |
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297 | tmp143 = tmp134 + tmp133; |
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298 | c_re(output[9 * ostride]) = tmp143 - tmp144; |
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299 | c_re(output[6 * ostride]) = tmp143 + tmp144; |
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300 | tmp135 = tmp133 - tmp134; |
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301 | c_re(output[12 * ostride]) = tmp135 - tmp142; |
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302 | c_re(output[3 * ostride]) = tmp135 + tmp142; |
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303 | } |
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304 | { |
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305 | fftw_real tmp110; |
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306 | fftw_real tmp56; |
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307 | fftw_real tmp109; |
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308 | fftw_real tmp118; |
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309 | fftw_real tmp120; |
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310 | fftw_real tmp114; |
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311 | fftw_real tmp117; |
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312 | fftw_real tmp119; |
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313 | fftw_real tmp111; |
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314 | ASSERT_ALIGNED_DOUBLE(); |
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315 | tmp110 = K559016994 * (tmp44 - tmp55); |
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316 | tmp56 = tmp44 + tmp55; |
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317 | tmp109 = tmp33 - (K250000000 * tmp56); |
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318 | tmp114 = tmp112 - tmp113; |
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319 | tmp117 = tmp115 - tmp116; |
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320 | tmp118 = (K951056516 * tmp114) - (K587785252 * tmp117); |
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321 | tmp120 = (K951056516 * tmp117) + (K587785252 * tmp114); |
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322 | c_re(output[5 * ostride]) = tmp33 + tmp56; |
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323 | tmp119 = tmp110 + tmp109; |
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324 | c_re(output[14 * ostride]) = tmp119 - tmp120; |
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325 | c_re(output[11 * ostride]) = tmp119 + tmp120; |
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326 | tmp111 = tmp109 - tmp110; |
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327 | c_re(output[2 * ostride]) = tmp111 - tmp118; |
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328 | c_re(output[8 * ostride]) = tmp111 + tmp118; |
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329 | } |
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330 | { |
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331 | fftw_real tmp150; |
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332 | fftw_real tmp148; |
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333 | fftw_real tmp149; |
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334 | fftw_real tmp154; |
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335 | fftw_real tmp156; |
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336 | fftw_real tmp152; |
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337 | fftw_real tmp153; |
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338 | fftw_real tmp155; |
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339 | fftw_real tmp151; |
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340 | ASSERT_ALIGNED_DOUBLE(); |
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341 | tmp150 = K559016994 * (tmp146 - tmp147); |
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342 | tmp148 = tmp146 + tmp147; |
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343 | tmp149 = tmp145 - (K250000000 * tmp148); |
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344 | tmp152 = tmp21 - tmp26; |
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345 | tmp153 = tmp10 - tmp15; |
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346 | tmp154 = (K951056516 * tmp152) - (K587785252 * tmp153); |
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347 | tmp156 = (K951056516 * tmp153) + (K587785252 * tmp152); |
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348 | c_im(output[0]) = tmp145 + tmp148; |
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349 | tmp155 = tmp150 + tmp149; |
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350 | c_im(output[6 * ostride]) = tmp155 - tmp156; |
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351 | c_im(output[9 * ostride]) = tmp156 + tmp155; |
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352 | tmp151 = tmp149 - tmp150; |
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353 | c_im(output[3 * ostride]) = tmp151 - tmp154; |
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354 | c_im(output[12 * ostride]) = tmp154 + tmp151; |
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355 | } |
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356 | { |
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357 | fftw_real tmp129; |
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358 | fftw_real tmp127; |
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359 | fftw_real tmp128; |
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360 | fftw_real tmp123; |
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361 | fftw_real tmp132; |
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362 | fftw_real tmp121; |
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363 | fftw_real tmp122; |
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364 | fftw_real tmp131; |
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365 | fftw_real tmp130; |
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366 | ASSERT_ALIGNED_DOUBLE(); |
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367 | tmp129 = K559016994 * (tmp125 - tmp126); |
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368 | tmp127 = tmp125 + tmp126; |
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369 | tmp128 = tmp124 - (K250000000 * tmp127); |
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370 | tmp121 = tmp49 - tmp54; |
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371 | tmp122 = tmp38 - tmp43; |
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372 | tmp123 = (K951056516 * tmp121) - (K587785252 * tmp122); |
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373 | tmp132 = (K951056516 * tmp122) + (K587785252 * tmp121); |
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374 | c_im(output[5 * ostride]) = tmp124 + tmp127; |
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375 | tmp131 = tmp129 + tmp128; |
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376 | c_im(output[11 * ostride]) = tmp131 - tmp132; |
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377 | c_im(output[14 * ostride]) = tmp132 + tmp131; |
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378 | tmp130 = tmp128 - tmp129; |
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379 | c_im(output[2 * ostride]) = tmp123 + tmp130; |
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380 | c_im(output[8 * ostride]) = tmp130 - tmp123; |
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381 | } |
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382 | { |
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383 | fftw_real tmp95; |
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384 | fftw_real tmp101; |
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385 | fftw_real tmp102; |
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386 | fftw_real tmp106; |
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387 | fftw_real tmp107; |
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388 | fftw_real tmp104; |
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389 | fftw_real tmp105; |
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390 | fftw_real tmp108; |
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391 | fftw_real tmp103; |
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392 | ASSERT_ALIGNED_DOUBLE(); |
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393 | tmp95 = K559016994 * (tmp93 - tmp94); |
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394 | tmp101 = tmp93 + tmp94; |
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395 | tmp102 = tmp100 - (K250000000 * tmp101); |
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396 | tmp104 = tmp58 - tmp59; |
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397 | tmp105 = tmp61 - tmp62; |
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398 | tmp106 = (K951056516 * tmp104) + (K587785252 * tmp105); |
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399 | tmp107 = (K951056516 * tmp105) - (K587785252 * tmp104); |
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400 | c_im(output[10 * ostride]) = tmp100 + tmp101; |
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401 | tmp108 = tmp102 - tmp95; |
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402 | c_im(output[7 * ostride]) = tmp107 + tmp108; |
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403 | c_im(output[13 * ostride]) = tmp108 - tmp107; |
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404 | tmp103 = tmp95 + tmp102; |
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405 | c_im(output[ostride]) = tmp103 - tmp106; |
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406 | c_im(output[4 * ostride]) = tmp106 + tmp103; |
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407 | } |
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408 | { |
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409 | fftw_real tmp65; |
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410 | fftw_real tmp64; |
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411 | fftw_real tmp66; |
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412 | fftw_real tmp90; |
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413 | fftw_real tmp92; |
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414 | fftw_real tmp78; |
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415 | fftw_real tmp89; |
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416 | fftw_real tmp91; |
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417 | fftw_real tmp67; |
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418 | ASSERT_ALIGNED_DOUBLE(); |
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419 | tmp65 = K559016994 * (tmp60 - tmp63); |
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420 | tmp64 = tmp60 + tmp63; |
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421 | tmp66 = tmp57 - (K250000000 * tmp64); |
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422 | tmp78 = tmp72 - tmp77; |
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423 | tmp89 = tmp83 - tmp88; |
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424 | tmp90 = (K951056516 * tmp78) + (K587785252 * tmp89); |
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425 | tmp92 = (K951056516 * tmp89) - (K587785252 * tmp78); |
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426 | c_re(output[10 * ostride]) = tmp57 + tmp64; |
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427 | tmp91 = tmp66 - tmp65; |
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428 | c_re(output[7 * ostride]) = tmp91 - tmp92; |
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429 | c_re(output[13 * ostride]) = tmp91 + tmp92; |
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430 | tmp67 = tmp65 + tmp66; |
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431 | c_re(output[4 * ostride]) = tmp67 - tmp90; |
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432 | c_re(output[ostride]) = tmp67 + tmp90; |
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433 | } |
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434 | } |
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435 | |||
436 | fftw_codelet_desc fftw_no_twiddle_15_desc = |
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437 | { |
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438 | "fftw_no_twiddle_15", |
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439 | (void (*)()) fftw_no_twiddle_15, |
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440 | 15, |
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441 | FFTW_FORWARD, |
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442 | FFTW_NOTW, |
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443 | 331, |
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444 | 0, |
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445 | (const int *) 0, |
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446 | }; |