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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 13:54:31 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 16 */ |
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27 | |||
28 | /* |
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29 | * This function contains 144 FP additions, 24 FP multiplications, |
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30 | * (or, 136 additions, 16 multiplications, 8 fused multiply/add), |
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31 | * 46 stack variables, and 64 memory accesses |
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32 | */ |
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33 | static const fftw_real K923879532 = FFTW_KONST(+0.923879532511286756128183189396788286822416626); |
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34 | static const fftw_real K382683432 = FFTW_KONST(+0.382683432365089771728459984030398866761344562); |
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35 | static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938); |
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36 | |||
37 | /* |
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38 | * Generator Id's : |
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39 | * $Id: fn_16.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
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40 | * $Id: fn_16.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
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41 | * $Id: fn_16.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
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42 | */ |
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43 | |||
44 | void fftw_no_twiddle_16(const fftw_complex *input, fftw_complex *output, int istride, int ostride) |
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45 | { |
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46 | fftw_real tmp7; |
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47 | fftw_real tmp115; |
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48 | fftw_real tmp38; |
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49 | fftw_real tmp129; |
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50 | fftw_real tmp49; |
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51 | fftw_real tmp95; |
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52 | fftw_real tmp83; |
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53 | fftw_real tmp105; |
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54 | fftw_real tmp29; |
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55 | fftw_real tmp123; |
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56 | fftw_real tmp73; |
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57 | fftw_real tmp101; |
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58 | fftw_real tmp78; |
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59 | fftw_real tmp102; |
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60 | fftw_real tmp126; |
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61 | fftw_real tmp141; |
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62 | fftw_real tmp14; |
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63 | fftw_real tmp130; |
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64 | fftw_real tmp45; |
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65 | fftw_real tmp116; |
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66 | fftw_real tmp52; |
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67 | fftw_real tmp85; |
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68 | fftw_real tmp55; |
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69 | fftw_real tmp84; |
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70 | fftw_real tmp22; |
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71 | fftw_real tmp118; |
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72 | fftw_real tmp62; |
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73 | fftw_real tmp98; |
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74 | fftw_real tmp67; |
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75 | fftw_real tmp99; |
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76 | fftw_real tmp121; |
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77 | fftw_real tmp140; |
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78 | ASSERT_ALIGNED_DOUBLE(); |
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79 | { |
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80 | fftw_real tmp3; |
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81 | fftw_real tmp47; |
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82 | fftw_real tmp34; |
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83 | fftw_real tmp82; |
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84 | fftw_real tmp6; |
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85 | fftw_real tmp81; |
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86 | fftw_real tmp37; |
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87 | fftw_real tmp48; |
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88 | ASSERT_ALIGNED_DOUBLE(); |
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89 | { |
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90 | fftw_real tmp1; |
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91 | fftw_real tmp2; |
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92 | fftw_real tmp32; |
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93 | fftw_real tmp33; |
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94 | ASSERT_ALIGNED_DOUBLE(); |
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95 | tmp1 = c_re(input[0]); |
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96 | tmp2 = c_re(input[8 * istride]); |
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97 | tmp3 = tmp1 + tmp2; |
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98 | tmp47 = tmp1 - tmp2; |
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99 | tmp32 = c_im(input[0]); |
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100 | tmp33 = c_im(input[8 * istride]); |
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101 | tmp34 = tmp32 + tmp33; |
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102 | tmp82 = tmp32 - tmp33; |
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103 | } |
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104 | { |
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105 | fftw_real tmp4; |
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106 | fftw_real tmp5; |
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107 | fftw_real tmp35; |
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108 | fftw_real tmp36; |
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109 | ASSERT_ALIGNED_DOUBLE(); |
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110 | tmp4 = c_re(input[4 * istride]); |
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111 | tmp5 = c_re(input[12 * istride]); |
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112 | tmp6 = tmp4 + tmp5; |
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113 | tmp81 = tmp4 - tmp5; |
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114 | tmp35 = c_im(input[4 * istride]); |
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115 | tmp36 = c_im(input[12 * istride]); |
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116 | tmp37 = tmp35 + tmp36; |
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117 | tmp48 = tmp35 - tmp36; |
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118 | } |
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119 | tmp7 = tmp3 + tmp6; |
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120 | tmp115 = tmp3 - tmp6; |
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121 | tmp38 = tmp34 + tmp37; |
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122 | tmp129 = tmp34 - tmp37; |
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123 | tmp49 = tmp47 - tmp48; |
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124 | tmp95 = tmp47 + tmp48; |
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125 | tmp83 = tmp81 + tmp82; |
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126 | tmp105 = tmp82 - tmp81; |
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127 | } |
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128 | { |
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129 | fftw_real tmp25; |
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130 | fftw_real tmp69; |
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131 | fftw_real tmp77; |
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132 | fftw_real tmp124; |
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133 | fftw_real tmp28; |
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134 | fftw_real tmp74; |
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135 | fftw_real tmp72; |
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136 | fftw_real tmp125; |
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137 | ASSERT_ALIGNED_DOUBLE(); |
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138 | { |
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139 | fftw_real tmp23; |
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140 | fftw_real tmp24; |
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141 | fftw_real tmp75; |
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142 | fftw_real tmp76; |
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143 | ASSERT_ALIGNED_DOUBLE(); |
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144 | tmp23 = c_re(input[15 * istride]); |
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145 | tmp24 = c_re(input[7 * istride]); |
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146 | tmp25 = tmp23 + tmp24; |
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147 | tmp69 = tmp23 - tmp24; |
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148 | tmp75 = c_im(input[15 * istride]); |
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149 | tmp76 = c_im(input[7 * istride]); |
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150 | tmp77 = tmp75 - tmp76; |
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151 | tmp124 = tmp75 + tmp76; |
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152 | } |
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153 | { |
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154 | fftw_real tmp26; |
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155 | fftw_real tmp27; |
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156 | fftw_real tmp70; |
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157 | fftw_real tmp71; |
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158 | ASSERT_ALIGNED_DOUBLE(); |
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159 | tmp26 = c_re(input[3 * istride]); |
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160 | tmp27 = c_re(input[11 * istride]); |
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161 | tmp28 = tmp26 + tmp27; |
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162 | tmp74 = tmp26 - tmp27; |
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163 | tmp70 = c_im(input[3 * istride]); |
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164 | tmp71 = c_im(input[11 * istride]); |
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165 | tmp72 = tmp70 - tmp71; |
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166 | tmp125 = tmp70 + tmp71; |
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167 | } |
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168 | tmp29 = tmp25 + tmp28; |
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169 | tmp123 = tmp25 - tmp28; |
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170 | tmp73 = tmp69 - tmp72; |
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171 | tmp101 = tmp69 + tmp72; |
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172 | tmp78 = tmp74 + tmp77; |
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173 | tmp102 = tmp77 - tmp74; |
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174 | tmp126 = tmp124 - tmp125; |
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175 | tmp141 = tmp124 + tmp125; |
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176 | } |
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177 | { |
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178 | fftw_real tmp10; |
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179 | fftw_real tmp51; |
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180 | fftw_real tmp41; |
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181 | fftw_real tmp50; |
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182 | fftw_real tmp13; |
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183 | fftw_real tmp53; |
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184 | fftw_real tmp44; |
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185 | fftw_real tmp54; |
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186 | ASSERT_ALIGNED_DOUBLE(); |
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187 | { |
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188 | fftw_real tmp8; |
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189 | fftw_real tmp9; |
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190 | fftw_real tmp39; |
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191 | fftw_real tmp40; |
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192 | ASSERT_ALIGNED_DOUBLE(); |
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193 | tmp8 = c_re(input[2 * istride]); |
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194 | tmp9 = c_re(input[10 * istride]); |
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195 | tmp10 = tmp8 + tmp9; |
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196 | tmp51 = tmp8 - tmp9; |
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197 | tmp39 = c_im(input[2 * istride]); |
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198 | tmp40 = c_im(input[10 * istride]); |
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199 | tmp41 = tmp39 + tmp40; |
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200 | tmp50 = tmp39 - tmp40; |
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201 | } |
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202 | { |
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203 | fftw_real tmp11; |
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204 | fftw_real tmp12; |
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205 | fftw_real tmp42; |
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206 | fftw_real tmp43; |
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207 | ASSERT_ALIGNED_DOUBLE(); |
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208 | tmp11 = c_re(input[14 * istride]); |
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209 | tmp12 = c_re(input[6 * istride]); |
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210 | tmp13 = tmp11 + tmp12; |
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211 | tmp53 = tmp11 - tmp12; |
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212 | tmp42 = c_im(input[14 * istride]); |
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213 | tmp43 = c_im(input[6 * istride]); |
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214 | tmp44 = tmp42 + tmp43; |
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215 | tmp54 = tmp42 - tmp43; |
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216 | } |
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217 | tmp14 = tmp10 + tmp13; |
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218 | tmp130 = tmp13 - tmp10; |
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219 | tmp45 = tmp41 + tmp44; |
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220 | tmp116 = tmp41 - tmp44; |
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221 | tmp52 = tmp50 - tmp51; |
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222 | tmp85 = tmp51 + tmp50; |
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223 | tmp55 = tmp53 + tmp54; |
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224 | tmp84 = tmp53 - tmp54; |
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225 | } |
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226 | { |
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227 | fftw_real tmp18; |
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228 | fftw_real tmp63; |
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229 | fftw_real tmp61; |
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230 | fftw_real tmp119; |
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231 | fftw_real tmp21; |
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232 | fftw_real tmp58; |
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233 | fftw_real tmp66; |
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234 | fftw_real tmp120; |
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235 | ASSERT_ALIGNED_DOUBLE(); |
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236 | { |
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237 | fftw_real tmp16; |
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238 | fftw_real tmp17; |
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239 | fftw_real tmp59; |
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240 | fftw_real tmp60; |
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241 | ASSERT_ALIGNED_DOUBLE(); |
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242 | tmp16 = c_re(input[istride]); |
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243 | tmp17 = c_re(input[9 * istride]); |
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244 | tmp18 = tmp16 + tmp17; |
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245 | tmp63 = tmp16 - tmp17; |
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246 | tmp59 = c_im(input[istride]); |
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247 | tmp60 = c_im(input[9 * istride]); |
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248 | tmp61 = tmp59 - tmp60; |
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249 | tmp119 = tmp59 + tmp60; |
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250 | } |
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251 | { |
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252 | fftw_real tmp19; |
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253 | fftw_real tmp20; |
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254 | fftw_real tmp64; |
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255 | fftw_real tmp65; |
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256 | ASSERT_ALIGNED_DOUBLE(); |
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257 | tmp19 = c_re(input[5 * istride]); |
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258 | tmp20 = c_re(input[13 * istride]); |
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259 | tmp21 = tmp19 + tmp20; |
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260 | tmp58 = tmp19 - tmp20; |
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261 | tmp64 = c_im(input[5 * istride]); |
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262 | tmp65 = c_im(input[13 * istride]); |
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263 | tmp66 = tmp64 - tmp65; |
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264 | tmp120 = tmp64 + tmp65; |
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265 | } |
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266 | tmp22 = tmp18 + tmp21; |
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267 | tmp118 = tmp18 - tmp21; |
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268 | tmp62 = tmp58 + tmp61; |
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269 | tmp98 = tmp61 - tmp58; |
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270 | tmp67 = tmp63 - tmp66; |
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271 | tmp99 = tmp63 + tmp66; |
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272 | tmp121 = tmp119 - tmp120; |
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273 | tmp140 = tmp119 + tmp120; |
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274 | } |
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275 | { |
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276 | fftw_real tmp15; |
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277 | fftw_real tmp30; |
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278 | fftw_real tmp31; |
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279 | fftw_real tmp46; |
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280 | ASSERT_ALIGNED_DOUBLE(); |
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281 | tmp15 = tmp7 + tmp14; |
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282 | tmp30 = tmp22 + tmp29; |
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283 | c_re(output[8 * ostride]) = tmp15 - tmp30; |
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284 | c_re(output[0]) = tmp15 + tmp30; |
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285 | tmp31 = tmp29 - tmp22; |
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286 | tmp46 = tmp38 - tmp45; |
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287 | c_im(output[4 * ostride]) = tmp31 + tmp46; |
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288 | c_im(output[12 * ostride]) = tmp46 - tmp31; |
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289 | } |
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290 | { |
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291 | fftw_real tmp143; |
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292 | fftw_real tmp144; |
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293 | fftw_real tmp139; |
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294 | fftw_real tmp142; |
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295 | ASSERT_ALIGNED_DOUBLE(); |
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296 | tmp143 = tmp38 + tmp45; |
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297 | tmp144 = tmp140 + tmp141; |
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298 | c_im(output[8 * ostride]) = tmp143 - tmp144; |
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299 | c_im(output[0]) = tmp143 + tmp144; |
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300 | tmp139 = tmp7 - tmp14; |
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301 | tmp142 = tmp140 - tmp141; |
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302 | c_re(output[12 * ostride]) = tmp139 - tmp142; |
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303 | c_re(output[4 * ostride]) = tmp139 + tmp142; |
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304 | } |
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305 | { |
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306 | fftw_real tmp117; |
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307 | fftw_real tmp131; |
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308 | fftw_real tmp128; |
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309 | fftw_real tmp132; |
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310 | fftw_real tmp122; |
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311 | fftw_real tmp127; |
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312 | ASSERT_ALIGNED_DOUBLE(); |
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313 | tmp117 = tmp115 + tmp116; |
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314 | tmp131 = tmp129 - tmp130; |
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315 | tmp122 = tmp118 + tmp121; |
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316 | tmp127 = tmp123 - tmp126; |
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317 | tmp128 = K707106781 * (tmp122 + tmp127); |
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318 | tmp132 = K707106781 * (tmp127 - tmp122); |
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319 | c_re(output[10 * ostride]) = tmp117 - tmp128; |
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320 | c_re(output[2 * ostride]) = tmp117 + tmp128; |
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321 | c_im(output[14 * ostride]) = tmp131 - tmp132; |
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322 | c_im(output[6 * ostride]) = tmp131 + tmp132; |
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323 | } |
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324 | { |
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325 | fftw_real tmp133; |
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326 | fftw_real tmp137; |
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327 | fftw_real tmp136; |
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328 | fftw_real tmp138; |
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329 | fftw_real tmp134; |
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330 | fftw_real tmp135; |
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331 | ASSERT_ALIGNED_DOUBLE(); |
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332 | tmp133 = tmp115 - tmp116; |
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333 | tmp137 = tmp130 + tmp129; |
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334 | tmp134 = tmp121 - tmp118; |
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335 | tmp135 = tmp123 + tmp126; |
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336 | tmp136 = K707106781 * (tmp134 - tmp135); |
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337 | tmp138 = K707106781 * (tmp134 + tmp135); |
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338 | c_re(output[14 * ostride]) = tmp133 - tmp136; |
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339 | c_re(output[6 * ostride]) = tmp133 + tmp136; |
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340 | c_im(output[10 * ostride]) = tmp137 - tmp138; |
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341 | c_im(output[2 * ostride]) = tmp137 + tmp138; |
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342 | } |
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343 | { |
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344 | fftw_real tmp57; |
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345 | fftw_real tmp89; |
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346 | fftw_real tmp92; |
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347 | fftw_real tmp94; |
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348 | fftw_real tmp87; |
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349 | fftw_real tmp93; |
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350 | fftw_real tmp80; |
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351 | fftw_real tmp88; |
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352 | ASSERT_ALIGNED_DOUBLE(); |
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353 | { |
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354 | fftw_real tmp56; |
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355 | fftw_real tmp90; |
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356 | fftw_real tmp91; |
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357 | fftw_real tmp86; |
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358 | fftw_real tmp68; |
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359 | fftw_real tmp79; |
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360 | ASSERT_ALIGNED_DOUBLE(); |
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361 | tmp56 = K707106781 * (tmp52 - tmp55); |
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362 | tmp57 = tmp49 + tmp56; |
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363 | tmp89 = tmp49 - tmp56; |
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364 | tmp90 = (K382683432 * tmp62) - (K923879532 * tmp67); |
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365 | tmp91 = (K382683432 * tmp78) + (K923879532 * tmp73); |
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366 | tmp92 = tmp90 - tmp91; |
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367 | tmp94 = tmp90 + tmp91; |
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368 | tmp86 = K707106781 * (tmp84 - tmp85); |
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369 | tmp87 = tmp83 - tmp86; |
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370 | tmp93 = tmp83 + tmp86; |
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371 | tmp68 = (K923879532 * tmp62) + (K382683432 * tmp67); |
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372 | tmp79 = (K382683432 * tmp73) - (K923879532 * tmp78); |
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373 | tmp80 = tmp68 + tmp79; |
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374 | tmp88 = tmp79 - tmp68; |
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375 | } |
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376 | c_re(output[11 * ostride]) = tmp57 - tmp80; |
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377 | c_re(output[3 * ostride]) = tmp57 + tmp80; |
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378 | c_im(output[15 * ostride]) = tmp87 - tmp88; |
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379 | c_im(output[7 * ostride]) = tmp87 + tmp88; |
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380 | c_re(output[15 * ostride]) = tmp89 - tmp92; |
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381 | c_re(output[7 * ostride]) = tmp89 + tmp92; |
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382 | c_im(output[11 * ostride]) = tmp93 - tmp94; |
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383 | c_im(output[3 * ostride]) = tmp93 + tmp94; |
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384 | } |
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385 | { |
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386 | fftw_real tmp97; |
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387 | fftw_real tmp109; |
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388 | fftw_real tmp112; |
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389 | fftw_real tmp114; |
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390 | fftw_real tmp107; |
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391 | fftw_real tmp113; |
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392 | fftw_real tmp104; |
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393 | fftw_real tmp108; |
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394 | ASSERT_ALIGNED_DOUBLE(); |
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395 | { |
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396 | fftw_real tmp96; |
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397 | fftw_real tmp110; |
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398 | fftw_real tmp111; |
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399 | fftw_real tmp106; |
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400 | fftw_real tmp100; |
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401 | fftw_real tmp103; |
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402 | ASSERT_ALIGNED_DOUBLE(); |
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403 | tmp96 = K707106781 * (tmp85 + tmp84); |
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404 | tmp97 = tmp95 + tmp96; |
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405 | tmp109 = tmp95 - tmp96; |
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406 | tmp110 = (K923879532 * tmp98) - (K382683432 * tmp99); |
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407 | tmp111 = (K923879532 * tmp102) + (K382683432 * tmp101); |
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408 | tmp112 = tmp110 - tmp111; |
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409 | tmp114 = tmp110 + tmp111; |
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410 | tmp106 = K707106781 * (tmp52 + tmp55); |
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411 | tmp107 = tmp105 - tmp106; |
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412 | tmp113 = tmp105 + tmp106; |
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413 | tmp100 = (K382683432 * tmp98) + (K923879532 * tmp99); |
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414 | tmp103 = (K923879532 * tmp101) - (K382683432 * tmp102); |
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415 | tmp104 = tmp100 + tmp103; |
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416 | tmp108 = tmp103 - tmp100; |
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417 | } |
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418 | c_re(output[9 * ostride]) = tmp97 - tmp104; |
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419 | c_re(output[ostride]) = tmp97 + tmp104; |
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420 | c_im(output[13 * ostride]) = tmp107 - tmp108; |
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421 | c_im(output[5 * ostride]) = tmp107 + tmp108; |
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422 | c_re(output[13 * ostride]) = tmp109 - tmp112; |
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423 | c_re(output[5 * ostride]) = tmp109 + tmp112; |
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424 | c_im(output[9 * ostride]) = tmp113 - tmp114; |
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425 | c_im(output[ostride]) = tmp113 + tmp114; |
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426 | } |
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427 | } |
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428 | |||
429 | fftw_codelet_desc fftw_no_twiddle_16_desc = |
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430 | { |
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431 | "fftw_no_twiddle_16", |
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432 | (void (*)()) fftw_no_twiddle_16, |
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433 | 16, |
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434 | FFTW_FORWARD, |
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435 | FFTW_NOTW, |
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436 | 353, |
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437 | 0, |
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438 | (const int *) 0, |
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439 | }; |