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2 | pj | 1 | /* |
2 | * Copyright (c) 1997-1999 Massachusetts Institute of Technology |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License as published by |
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6 | * the Free Software Foundation; either version 2 of the License, or |
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7 | * (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License |
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15 | * along with this program; if not, write to the Free Software |
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16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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17 | * |
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18 | */ |
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19 | |||
20 | /* This file was automatically generated --- DO NOT EDIT */ |
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21 | /* Generated on Tue May 18 13:55:08 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 -hc2real 13 */ |
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27 | |||
28 | /* |
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29 | * This function contains 76 FP additions, 35 FP multiplications, |
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30 | * (or, 56 additions, 15 multiplications, 20 fused multiply/add), |
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31 | * 36 stack variables, and 26 memory accesses |
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32 | */ |
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33 | static const fftw_real K531932498 = FFTW_KONST(+0.531932498429674575175042127684371897596660533); |
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34 | static const fftw_real K774781170 = FFTW_KONST(+0.774781170935234584261351932853525703557550433); |
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35 | static const fftw_real K1_007074065 = FFTW_KONST(+1.007074065727533254493747707736933954186697125); |
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36 | static const fftw_real K227708958 = FFTW_KONST(+0.227708958111581597949308691735310621069285120); |
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37 | static const fftw_real K265966249 = FFTW_KONST(+0.265966249214837287587521063842185948798330267); |
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38 | static const fftw_real K516520780 = FFTW_KONST(+0.516520780623489722840901288569017135705033622); |
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39 | static const fftw_real K151805972 = FFTW_KONST(+0.151805972074387731966205794490207080712856746); |
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40 | static const fftw_real K503537032 = FFTW_KONST(+0.503537032863766627246873853868466977093348562); |
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41 | static const fftw_real K166666666 = FFTW_KONST(+0.166666666666666666666666666666666666666666667); |
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42 | static const fftw_real K600925212 = FFTW_KONST(+0.600925212577331548853203544578415991041882762); |
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43 | static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); |
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44 | static const fftw_real K348277202 = FFTW_KONST(+0.348277202304271810011321589858529485233929352); |
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45 | static const fftw_real K1_150281458 = FFTW_KONST(+1.150281458948006242736771094910906776922003215); |
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46 | static const fftw_real K256247671 = FFTW_KONST(+0.256247671582936600958684654061725059144125175); |
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47 | static const fftw_real K156891391 = FFTW_KONST(+0.156891391051584611046832726756003269660212636); |
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48 | static const fftw_real K300238635 = FFTW_KONST(+0.300238635966332641462884626667381504676006424); |
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49 | static const fftw_real K011599105 = FFTW_KONST(+0.011599105605768290721655456654083252189827041); |
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50 | static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); |
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51 | static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); |
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52 | |||
53 | /* |
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54 | * Generator Id's : |
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55 | * $Id: fcr_13.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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56 | * $Id: fcr_13.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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57 | * $Id: fcr_13.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $ |
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58 | */ |
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59 | |||
60 | void fftw_hc2real_13(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride) |
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61 | { |
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62 | fftw_real tmp42; |
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63 | fftw_real tmp52; |
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64 | fftw_real tmp45; |
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65 | fftw_real tmp51; |
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66 | fftw_real tmp56; |
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67 | fftw_real tmp67; |
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68 | fftw_real tmp1; |
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69 | fftw_real tmp22; |
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70 | fftw_real tmp12; |
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71 | fftw_real tmp13; |
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72 | fftw_real tmp16; |
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73 | fftw_real tmp19; |
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74 | fftw_real tmp20; |
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75 | fftw_real tmp23; |
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76 | fftw_real tmp24; |
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77 | fftw_real tmp25; |
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78 | ASSERT_ALIGNED_DOUBLE(); |
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79 | { |
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80 | fftw_real tmp28; |
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81 | fftw_real tmp31; |
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82 | fftw_real tmp32; |
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83 | fftw_real tmp37; |
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84 | fftw_real tmp39; |
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85 | fftw_real tmp38; |
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86 | fftw_real tmp35; |
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87 | fftw_real tmp40; |
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88 | fftw_real tmp36; |
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89 | fftw_real tmp41; |
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90 | ASSERT_ALIGNED_DOUBLE(); |
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91 | { |
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92 | fftw_real tmp29; |
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93 | fftw_real tmp30; |
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94 | fftw_real tmp33; |
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95 | fftw_real tmp34; |
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96 | ASSERT_ALIGNED_DOUBLE(); |
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97 | tmp28 = imag_input[imag_istride]; |
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98 | tmp29 = imag_input[3 * imag_istride]; |
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99 | tmp30 = imag_input[4 * imag_istride]; |
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100 | tmp31 = tmp29 - tmp30; |
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101 | tmp32 = (K2_000000000 * tmp28) - tmp31; |
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102 | tmp37 = K1_732050807 * (tmp29 + tmp30); |
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103 | tmp39 = imag_input[5 * imag_istride]; |
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104 | tmp33 = imag_input[6 * imag_istride]; |
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105 | tmp34 = imag_input[2 * imag_istride]; |
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106 | tmp38 = tmp33 + tmp34; |
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107 | tmp35 = K1_732050807 * (tmp33 - tmp34); |
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108 | tmp40 = tmp38 - (K2_000000000 * tmp39); |
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109 | } |
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110 | tmp36 = tmp32 + tmp35; |
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111 | tmp41 = tmp37 - tmp40; |
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112 | tmp42 = (K011599105 * tmp36) - (K300238635 * tmp41); |
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113 | tmp52 = (K300238635 * tmp36) + (K011599105 * tmp41); |
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114 | { |
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115 | fftw_real tmp43; |
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116 | fftw_real tmp44; |
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117 | fftw_real tmp54; |
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118 | fftw_real tmp55; |
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119 | ASSERT_ALIGNED_DOUBLE(); |
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120 | tmp43 = tmp32 - tmp35; |
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121 | tmp44 = tmp37 + tmp40; |
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122 | tmp45 = (K156891391 * tmp43) + (K256247671 * tmp44); |
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123 | tmp51 = (K256247671 * tmp43) - (K156891391 * tmp44); |
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124 | tmp54 = tmp28 + tmp31; |
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125 | tmp55 = tmp38 + tmp39; |
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126 | tmp56 = (K1_150281458 * tmp54) - (K348277202 * tmp55); |
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127 | tmp67 = (K348277202 * tmp54) + (K1_150281458 * tmp55); |
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128 | } |
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129 | } |
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130 | { |
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131 | fftw_real tmp11; |
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132 | fftw_real tmp18; |
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133 | fftw_real tmp15; |
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134 | fftw_real tmp6; |
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135 | fftw_real tmp17; |
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136 | fftw_real tmp14; |
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137 | ASSERT_ALIGNED_DOUBLE(); |
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138 | tmp1 = real_input[0]; |
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139 | { |
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140 | fftw_real tmp7; |
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141 | fftw_real tmp8; |
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142 | fftw_real tmp9; |
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143 | fftw_real tmp10; |
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144 | ASSERT_ALIGNED_DOUBLE(); |
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145 | tmp7 = real_input[5 * real_istride]; |
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146 | tmp8 = real_input[6 * real_istride]; |
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147 | tmp9 = real_input[2 * real_istride]; |
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148 | tmp10 = tmp8 + tmp9; |
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149 | tmp11 = tmp7 + tmp10; |
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150 | tmp18 = tmp7 - (K500000000 * tmp10); |
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151 | tmp15 = tmp8 - tmp9; |
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152 | } |
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153 | { |
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154 | fftw_real tmp2; |
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155 | fftw_real tmp3; |
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156 | fftw_real tmp4; |
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157 | fftw_real tmp5; |
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158 | ASSERT_ALIGNED_DOUBLE(); |
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159 | tmp2 = real_input[real_istride]; |
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160 | tmp3 = real_input[3 * real_istride]; |
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161 | tmp4 = real_input[4 * real_istride]; |
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162 | tmp5 = tmp3 + tmp4; |
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163 | tmp6 = tmp2 + tmp5; |
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164 | tmp17 = tmp2 - (K500000000 * tmp5); |
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165 | tmp14 = tmp3 - tmp4; |
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166 | } |
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167 | tmp22 = K600925212 * (tmp6 - tmp11); |
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168 | tmp12 = tmp6 + tmp11; |
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169 | tmp13 = tmp1 - (K166666666 * tmp12); |
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170 | tmp16 = tmp14 - tmp15; |
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171 | tmp19 = tmp17 + tmp18; |
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172 | tmp20 = (K503537032 * tmp16) + (K151805972 * tmp19); |
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173 | tmp23 = tmp17 - tmp18; |
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174 | tmp24 = tmp14 + tmp15; |
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175 | tmp25 = (K516520780 * tmp23) - (K265966249 * tmp24); |
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176 | } |
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177 | output[0] = tmp1 + (K2_000000000 * tmp12); |
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178 | { |
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179 | fftw_real tmp46; |
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180 | fftw_real tmp68; |
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181 | fftw_real tmp70; |
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182 | fftw_real tmp27; |
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183 | fftw_real tmp69; |
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184 | fftw_real tmp73; |
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185 | fftw_real tmp57; |
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186 | fftw_real tmp64; |
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187 | fftw_real tmp63; |
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188 | fftw_real tmp65; |
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189 | fftw_real tmp50; |
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190 | fftw_real tmp72; |
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191 | ASSERT_ALIGNED_DOUBLE(); |
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192 | { |
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193 | fftw_real tmp66; |
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194 | fftw_real tmp21; |
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195 | fftw_real tmp26; |
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196 | fftw_real tmp53; |
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197 | ASSERT_ALIGNED_DOUBLE(); |
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198 | tmp46 = K1_732050807 * (tmp42 + tmp45); |
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199 | tmp66 = tmp42 - tmp45; |
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200 | tmp68 = (K2_000000000 * tmp66) - tmp67; |
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201 | tmp70 = tmp66 + tmp67; |
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202 | tmp21 = tmp13 - tmp20; |
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203 | tmp26 = tmp22 - tmp25; |
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204 | tmp27 = tmp21 - tmp26; |
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205 | tmp69 = tmp26 + tmp21; |
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206 | tmp73 = K1_732050807 * (tmp52 + tmp51); |
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207 | tmp53 = tmp51 - tmp52; |
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208 | tmp57 = tmp53 + tmp56; |
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209 | tmp64 = tmp56 - (K2_000000000 * tmp53); |
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210 | { |
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211 | fftw_real tmp61; |
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212 | fftw_real tmp62; |
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213 | fftw_real tmp48; |
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214 | fftw_real tmp49; |
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215 | ASSERT_ALIGNED_DOUBLE(); |
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216 | tmp61 = (K2_000000000 * tmp20) + tmp13; |
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217 | tmp62 = (K2_000000000 * tmp25) + tmp22; |
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218 | tmp63 = tmp61 - tmp62; |
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219 | tmp65 = tmp62 + tmp61; |
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220 | tmp48 = (K227708958 * tmp16) - (K1_007074065 * tmp19); |
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221 | tmp49 = (K774781170 * tmp24) + (K531932498 * tmp23); |
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222 | tmp50 = tmp48 - tmp49; |
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223 | tmp72 = tmp49 + tmp48; |
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224 | } |
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225 | } |
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226 | output[5 * ostride] = tmp63 - tmp64; |
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227 | output[8 * ostride] = tmp63 + tmp64; |
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228 | { |
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229 | fftw_real tmp47; |
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230 | fftw_real tmp58; |
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231 | fftw_real tmp59; |
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232 | fftw_real tmp60; |
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233 | ASSERT_ALIGNED_DOUBLE(); |
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234 | tmp47 = tmp27 - tmp46; |
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235 | tmp58 = tmp50 + tmp57; |
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236 | output[2 * ostride] = tmp47 - tmp58; |
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237 | output[7 * ostride] = tmp47 + tmp58; |
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238 | tmp59 = tmp27 + tmp46; |
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239 | tmp60 = tmp57 - tmp50; |
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240 | output[6 * ostride] = tmp59 - tmp60; |
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241 | output[11 * ostride] = tmp59 + tmp60; |
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242 | } |
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243 | output[12 * ostride] = tmp65 - tmp68; |
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244 | output[ostride] = tmp65 + tmp68; |
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245 | { |
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246 | fftw_real tmp71; |
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247 | fftw_real tmp74; |
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248 | fftw_real tmp75; |
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249 | fftw_real tmp76; |
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250 | ASSERT_ALIGNED_DOUBLE(); |
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251 | tmp71 = tmp69 - tmp70; |
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252 | tmp74 = tmp72 + tmp73; |
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253 | output[3 * ostride] = tmp71 - tmp74; |
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254 | output[9 * ostride] = tmp74 + tmp71; |
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255 | tmp75 = tmp69 + tmp70; |
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256 | tmp76 = tmp73 - tmp72; |
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257 | output[4 * ostride] = tmp75 - tmp76; |
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258 | output[10 * ostride] = tmp76 + tmp75; |
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259 | } |
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260 | } |
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261 | } |
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262 | |||
263 | fftw_codelet_desc fftw_hc2real_13_desc = |
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264 | { |
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265 | "fftw_hc2real_13", |
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266 | (void (*)()) fftw_hc2real_13, |
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267 | 13, |
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268 | FFTW_BACKWARD, |
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269 | FFTW_HC2REAL, |
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270 | 301, |
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271 | 0, |
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272 | (const int *) 0, |
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273 | }; |