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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 13:54:36 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 -real2hc 13 */ |
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27 | |||
28 | /* |
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29 | * This function contains 76 FP additions, 34 FP multiplications, |
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30 | * (or, 57 additions, 15 multiplications, 19 fused multiply/add), |
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31 | * 34 stack variables, and 26 memory accesses |
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32 | */ |
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33 | static const fftw_real K083333333 = FFTW_KONST(+0.083333333333333333333333333333333333333333333); |
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34 | static const fftw_real K075902986 = FFTW_KONST(+0.075902986037193865983102897245103540356428373); |
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35 | static const fftw_real K251768516 = FFTW_KONST(+0.251768516431883313623436926934233488546674281); |
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36 | static const fftw_real K503537032 = FFTW_KONST(+0.503537032863766627246873853868466977093348562); |
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37 | static const fftw_real K113854479 = FFTW_KONST(+0.113854479055790798974654345867655310534642560); |
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38 | static const fftw_real K265966249 = FFTW_KONST(+0.265966249214837287587521063842185948798330267); |
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39 | static const fftw_real K387390585 = FFTW_KONST(+0.387390585467617292130675966426762851778775217); |
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40 | static const fftw_real K300462606 = FFTW_KONST(+0.300462606288665774426601772289207995520941381); |
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41 | static const fftw_real K258260390 = FFTW_KONST(+0.258260390311744861420450644284508567852516811); |
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42 | static const fftw_real K132983124 = FFTW_KONST(+0.132983124607418643793760531921092974399165133); |
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43 | static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); |
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44 | static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); |
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45 | static const fftw_real K156891391 = FFTW_KONST(+0.156891391051584611046832726756003269660212636); |
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46 | static const fftw_real K256247671 = FFTW_KONST(+0.256247671582936600958684654061725059144125175); |
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47 | static const fftw_real K011599105 = FFTW_KONST(+0.011599105605768290721655456654083252189827041); |
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48 | static const fftw_real K300238635 = FFTW_KONST(+0.300238635966332641462884626667381504676006424); |
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49 | static const fftw_real K174138601 = FFTW_KONST(+0.174138601152135905005660794929264742616964676); |
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50 | static const fftw_real K575140729 = FFTW_KONST(+0.575140729474003121368385547455453388461001608); |
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51 | static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); |
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52 | static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); |
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53 | |||
54 | /* |
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55 | * Generator Id's : |
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56 | * $Id: frc_13.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $ |
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57 | * $Id: frc_13.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $ |
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58 | * $Id: frc_13.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $ |
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59 | */ |
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60 | |||
61 | void fftw_real2hc_13(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) |
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62 | { |
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63 | fftw_real tmp65; |
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64 | fftw_real tmp11; |
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65 | fftw_real tmp28; |
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66 | fftw_real tmp37; |
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67 | fftw_real tmp51; |
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68 | fftw_real tmp62; |
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69 | fftw_real tmp22; |
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70 | fftw_real tmp58; |
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71 | fftw_real tmp59; |
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72 | fftw_real tmp66; |
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73 | fftw_real tmp56; |
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74 | fftw_real tmp63; |
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75 | fftw_real tmp35; |
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76 | fftw_real tmp38; |
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77 | ASSERT_ALIGNED_DOUBLE(); |
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78 | tmp65 = input[0]; |
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79 | { |
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80 | fftw_real tmp3; |
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81 | fftw_real tmp53; |
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82 | fftw_real tmp21; |
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83 | fftw_real tmp30; |
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84 | fftw_real tmp26; |
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85 | fftw_real tmp16; |
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86 | fftw_real tmp29; |
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87 | fftw_real tmp25; |
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88 | fftw_real tmp6; |
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89 | fftw_real tmp32; |
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90 | fftw_real tmp9; |
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91 | fftw_real tmp33; |
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92 | fftw_real tmp10; |
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93 | fftw_real tmp54; |
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94 | fftw_real tmp1; |
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95 | fftw_real tmp2; |
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96 | ASSERT_ALIGNED_DOUBLE(); |
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97 | tmp1 = input[8 * istride]; |
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98 | tmp2 = input[5 * istride]; |
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99 | tmp3 = tmp1 - tmp2; |
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100 | tmp53 = tmp1 + tmp2; |
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101 | { |
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102 | fftw_real tmp17; |
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103 | fftw_real tmp18; |
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104 | fftw_real tmp19; |
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105 | fftw_real tmp20; |
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106 | ASSERT_ALIGNED_DOUBLE(); |
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107 | tmp17 = input[12 * istride]; |
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108 | tmp18 = input[4 * istride]; |
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109 | tmp19 = input[10 * istride]; |
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110 | tmp20 = tmp18 + tmp19; |
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111 | tmp21 = tmp17 + tmp20; |
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112 | tmp30 = tmp17 - (K500000000 * tmp20); |
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113 | tmp26 = tmp18 - tmp19; |
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114 | } |
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115 | { |
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116 | fftw_real tmp12; |
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117 | fftw_real tmp13; |
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118 | fftw_real tmp14; |
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119 | fftw_real tmp15; |
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120 | ASSERT_ALIGNED_DOUBLE(); |
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121 | tmp12 = input[istride]; |
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122 | tmp13 = input[3 * istride]; |
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123 | tmp14 = input[9 * istride]; |
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124 | tmp15 = tmp13 + tmp14; |
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125 | tmp16 = tmp12 + tmp15; |
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126 | tmp29 = tmp12 - (K500000000 * tmp15); |
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127 | tmp25 = tmp13 - tmp14; |
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128 | } |
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129 | { |
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130 | fftw_real tmp4; |
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131 | fftw_real tmp5; |
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132 | fftw_real tmp7; |
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133 | fftw_real tmp8; |
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134 | ASSERT_ALIGNED_DOUBLE(); |
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135 | tmp4 = input[6 * istride]; |
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136 | tmp5 = input[11 * istride]; |
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137 | tmp6 = tmp4 - tmp5; |
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138 | tmp32 = tmp4 + tmp5; |
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139 | tmp7 = input[2 * istride]; |
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140 | tmp8 = input[7 * istride]; |
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141 | tmp9 = tmp7 - tmp8; |
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142 | tmp33 = tmp7 + tmp8; |
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143 | } |
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144 | tmp10 = tmp6 + tmp9; |
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145 | tmp54 = tmp32 + tmp33; |
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146 | tmp11 = tmp3 - tmp10; |
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147 | { |
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148 | fftw_real tmp24; |
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149 | fftw_real tmp27; |
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150 | fftw_real tmp49; |
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151 | fftw_real tmp50; |
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152 | ASSERT_ALIGNED_DOUBLE(); |
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153 | tmp24 = tmp3 + (K500000000 * tmp10); |
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154 | tmp27 = K866025403 * (tmp25 + tmp26); |
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155 | tmp28 = tmp24 - tmp27; |
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156 | tmp37 = tmp27 + tmp24; |
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157 | tmp49 = tmp9 - tmp6; |
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158 | tmp50 = tmp25 - tmp26; |
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159 | tmp51 = tmp49 - tmp50; |
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160 | tmp62 = tmp50 + tmp49; |
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161 | } |
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162 | tmp22 = tmp16 - tmp21; |
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163 | tmp58 = tmp16 + tmp21; |
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164 | tmp59 = tmp53 + tmp54; |
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165 | tmp66 = tmp58 + tmp59; |
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166 | { |
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167 | fftw_real tmp52; |
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168 | fftw_real tmp55; |
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169 | fftw_real tmp31; |
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170 | fftw_real tmp34; |
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171 | ASSERT_ALIGNED_DOUBLE(); |
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172 | tmp52 = tmp29 + tmp30; |
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173 | tmp55 = tmp53 - (K500000000 * tmp54); |
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174 | tmp56 = tmp52 - tmp55; |
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175 | tmp63 = tmp52 + tmp55; |
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176 | tmp31 = tmp29 - tmp30; |
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177 | tmp34 = K866025403 * (tmp32 - tmp33); |
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178 | tmp35 = tmp31 + tmp34; |
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179 | tmp38 = tmp31 - tmp34; |
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180 | } |
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181 | } |
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182 | real_output[0] = tmp65 + tmp66; |
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183 | { |
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184 | fftw_real tmp23; |
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185 | fftw_real tmp45; |
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186 | fftw_real tmp40; |
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187 | fftw_real tmp48; |
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188 | fftw_real tmp44; |
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189 | fftw_real tmp46; |
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190 | fftw_real tmp41; |
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191 | fftw_real tmp47; |
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192 | ASSERT_ALIGNED_DOUBLE(); |
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193 | tmp23 = (K575140729 * tmp11) - (K174138601 * tmp22); |
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194 | tmp45 = (K575140729 * tmp22) + (K174138601 * tmp11); |
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195 | { |
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196 | fftw_real tmp36; |
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197 | fftw_real tmp39; |
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198 | fftw_real tmp42; |
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199 | fftw_real tmp43; |
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200 | ASSERT_ALIGNED_DOUBLE(); |
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201 | tmp36 = (K300238635 * tmp28) + (K011599105 * tmp35); |
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202 | tmp39 = (K256247671 * tmp37) + (K156891391 * tmp38); |
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203 | tmp40 = tmp36 - tmp39; |
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204 | tmp48 = K1_732050807 * (tmp39 + tmp36); |
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205 | tmp42 = (K300238635 * tmp35) - (K011599105 * tmp28); |
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206 | tmp43 = (K156891391 * tmp37) - (K256247671 * tmp38); |
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207 | tmp44 = K1_732050807 * (tmp42 - tmp43); |
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208 | tmp46 = tmp43 + tmp42; |
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209 | } |
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210 | imag_output[imag_ostride] = tmp23 + (K2_000000000 * tmp40); |
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211 | tmp41 = tmp23 - tmp40; |
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212 | imag_output[3 * imag_ostride] = tmp41 - tmp44; |
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213 | imag_output[4 * imag_ostride] = -(tmp41 + tmp44); |
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214 | imag_output[5 * imag_ostride] = -(tmp45 + (K2_000000000 * tmp46)); |
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215 | tmp47 = tmp46 - tmp45; |
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216 | imag_output[2 * imag_ostride] = tmp47 - tmp48; |
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217 | imag_output[6 * imag_ostride] = tmp48 + tmp47; |
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218 | } |
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219 | { |
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220 | fftw_real tmp61; |
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221 | fftw_real tmp70; |
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222 | fftw_real tmp74; |
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223 | fftw_real tmp76; |
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224 | fftw_real tmp68; |
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225 | fftw_real tmp69; |
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226 | fftw_real tmp57; |
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227 | fftw_real tmp60; |
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228 | fftw_real tmp71; |
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229 | fftw_real tmp75; |
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230 | ASSERT_ALIGNED_DOUBLE(); |
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231 | tmp57 = (K132983124 * tmp51) + (K258260390 * tmp56); |
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232 | tmp60 = K300462606 * (tmp58 - tmp59); |
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233 | tmp61 = (K2_000000000 * tmp57) + tmp60; |
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234 | tmp70 = tmp60 - tmp57; |
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235 | { |
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236 | fftw_real tmp72; |
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237 | fftw_real tmp73; |
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238 | fftw_real tmp64; |
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239 | fftw_real tmp67; |
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240 | ASSERT_ALIGNED_DOUBLE(); |
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241 | tmp72 = (K387390585 * tmp51) - (K265966249 * tmp56); |
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242 | tmp73 = (K113854479 * tmp62) - (K503537032 * tmp63); |
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243 | tmp74 = tmp72 + tmp73; |
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244 | tmp76 = tmp73 - tmp72; |
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245 | tmp64 = (K251768516 * tmp62) + (K075902986 * tmp63); |
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246 | tmp67 = tmp65 - (K083333333 * tmp66); |
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247 | tmp68 = (K2_000000000 * tmp64) + tmp67; |
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248 | tmp69 = tmp67 - tmp64; |
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249 | } |
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250 | real_output[real_ostride] = tmp61 + tmp68; |
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251 | real_output[5 * real_ostride] = tmp68 - tmp61; |
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252 | tmp71 = tmp69 - tmp70; |
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253 | real_output[2 * real_ostride] = tmp71 - tmp74; |
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254 | real_output[6 * real_ostride] = tmp74 + tmp71; |
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255 | tmp75 = tmp70 + tmp69; |
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256 | real_output[3 * real_ostride] = tmp75 - tmp76; |
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257 | real_output[4 * real_ostride] = tmp76 + tmp75; |
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258 | } |
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259 | } |
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260 | |||
261 | fftw_codelet_desc fftw_real2hc_13_desc = |
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262 | { |
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263 | "fftw_real2hc_13", |
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264 | (void (*)()) fftw_real2hc_13, |
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265 | 13, |
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266 | FFTW_FORWARD, |
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267 | FFTW_REAL2HC, |
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268 | 288, |
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269 | 0, |
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270 | (const int *) 0, |
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271 | }; |