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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 13:55:07 EDT 1999 */ |
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22 | |||
107 | pj | 23 | #include <fftw-int.h> |
24 | #include <fftw.h> |
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2 | pj | 25 | |
26 | /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 11 */ |
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27 | |||
28 | /* |
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29 | * This function contains 60 FP additions, 51 FP multiplications, |
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30 | * (or, 59 additions, 50 multiplications, 1 fused multiply/add), |
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31 | * 21 stack variables, and 22 memory accesses |
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32 | */ |
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33 | static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); |
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34 | static const fftw_real K1_918985947 = FFTW_KONST(+1.918985947228994779780736114132655398124909697); |
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35 | static const fftw_real K1_309721467 = FFTW_KONST(+1.309721467890570128113850144932587106367582399); |
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36 | static const fftw_real K284629676 = FFTW_KONST(+0.284629676546570280887585337232739337582102722); |
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37 | static const fftw_real K830830026 = FFTW_KONST(+0.830830026003772851058548298459246407048009821); |
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38 | static const fftw_real K1_682507065 = FFTW_KONST(+1.682507065662362337723623297838735435026584997); |
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39 | static const fftw_real K563465113 = FFTW_KONST(+0.563465113682859395422835830693233798071555798); |
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40 | static const fftw_real K1_511499148 = FFTW_KONST(+1.511499148708516567548071687944688840359434890); |
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41 | static const fftw_real K1_979642883 = FFTW_KONST(+1.979642883761865464752184075553437574753038744); |
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42 | static const fftw_real K1_819263990 = FFTW_KONST(+1.819263990709036742823430766158056920120482102); |
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43 | static const fftw_real K1_081281634 = FFTW_KONST(+1.081281634911195164215271908637383390863541216); |
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44 | |||
45 | /* |
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46 | * Generator Id's : |
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107 | pj | 47 | * $Id: fcr_11.c,v 1.2 2003-03-24 11:14:55 pj Exp $ |
48 | * $Id: fcr_11.c,v 1.2 2003-03-24 11:14:55 pj Exp $ |
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49 | * $Id: fcr_11.c,v 1.2 2003-03-24 11:14:55 pj Exp $ |
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2 | pj | 50 | */ |
51 | |||
52 | void fftw_hc2real_11(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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53 | { |
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54 | fftw_real tmp13; |
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55 | fftw_real tmp21; |
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56 | fftw_real tmp15; |
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57 | fftw_real tmp17; |
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58 | fftw_real tmp19; |
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59 | fftw_real tmp1; |
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60 | fftw_real tmp2; |
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61 | fftw_real tmp6; |
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62 | fftw_real tmp5; |
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63 | fftw_real tmp4; |
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64 | fftw_real tmp3; |
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65 | fftw_real tmp7; |
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66 | fftw_real tmp20; |
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67 | fftw_real tmp14; |
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68 | fftw_real tmp16; |
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69 | fftw_real tmp18; |
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70 | ASSERT_ALIGNED_DOUBLE(); |
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71 | { |
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72 | fftw_real tmp8; |
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73 | fftw_real tmp12; |
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74 | fftw_real tmp9; |
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75 | fftw_real tmp10; |
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76 | fftw_real tmp11; |
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77 | ASSERT_ALIGNED_DOUBLE(); |
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78 | tmp8 = imag_input[2 * imag_istride]; |
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79 | tmp12 = imag_input[imag_istride]; |
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80 | tmp9 = imag_input[4 * imag_istride]; |
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81 | tmp10 = imag_input[5 * imag_istride]; |
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82 | tmp11 = imag_input[3 * imag_istride]; |
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83 | tmp13 = (K1_081281634 * tmp8) + (K1_819263990 * tmp9) - (K1_979642883 * tmp10) - (K1_511499148 * tmp11) - (K563465113 * tmp12); |
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84 | tmp21 = (K1_979642883 * tmp8) + (K1_819263990 * tmp10) - (K563465113 * tmp9) - (K1_081281634 * tmp11) - (K1_511499148 * tmp12); |
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85 | tmp15 = (K563465113 * tmp8) + (K1_819263990 * tmp11) - (K1_511499148 * tmp10) - (K1_081281634 * tmp9) - (K1_979642883 * tmp12); |
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86 | tmp17 = (K1_081281634 * tmp12) + (K1_819263990 * tmp8) + (K1_979642883 * tmp11) + (K1_511499148 * tmp9) + (K563465113 * tmp10); |
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87 | tmp19 = (K563465113 * tmp11) + (K1_979642883 * tmp9) + (K1_081281634 * tmp10) - (K1_511499148 * tmp8) - (K1_819263990 * tmp12); |
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88 | } |
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89 | tmp1 = real_input[0]; |
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90 | tmp2 = real_input[real_istride]; |
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91 | tmp6 = real_input[5 * real_istride]; |
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92 | tmp5 = real_input[4 * real_istride]; |
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93 | tmp4 = real_input[3 * real_istride]; |
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94 | tmp3 = real_input[2 * real_istride]; |
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95 | tmp7 = tmp1 + (K1_682507065 * tmp3) + (K830830026 * tmp5) - (K284629676 * tmp6) - (K1_309721467 * tmp4) - (K1_918985947 * tmp2); |
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96 | tmp20 = tmp1 + (K1_682507065 * tmp4) + (K830830026 * tmp6) - (K1_918985947 * tmp5) - (K284629676 * tmp3) - (K1_309721467 * tmp2); |
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97 | tmp14 = tmp1 + (K830830026 * tmp4) + (K1_682507065 * tmp5) - (K1_309721467 * tmp6) - (K1_918985947 * tmp3) - (K284629676 * tmp2); |
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98 | tmp16 = tmp1 + (K1_682507065 * tmp2) + (K830830026 * tmp3) - (K1_918985947 * tmp6) - (K1_309721467 * tmp5) - (K284629676 * tmp4); |
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99 | tmp18 = tmp1 + (K830830026 * tmp2) + (K1_682507065 * tmp6) - (K284629676 * tmp5) - (K1_918985947 * tmp4) - (K1_309721467 * tmp3); |
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100 | output[6 * ostride] = tmp7 - tmp13; |
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101 | output[5 * ostride] = tmp7 + tmp13; |
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102 | output[7 * ostride] = tmp20 - tmp21; |
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103 | output[4 * ostride] = tmp20 + tmp21; |
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104 | output[0] = tmp1 + (K2_000000000 * (tmp2 + tmp3 + tmp4 + tmp5 + tmp6)); |
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105 | output[2 * ostride] = tmp18 + tmp19; |
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106 | output[9 * ostride] = tmp18 - tmp19; |
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107 | output[10 * ostride] = tmp16 + tmp17; |
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108 | output[ostride] = tmp16 - tmp17; |
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109 | output[8 * ostride] = tmp14 - tmp15; |
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110 | output[3 * ostride] = tmp14 + tmp15; |
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111 | } |
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112 | |||
113 | fftw_codelet_desc fftw_hc2real_11_desc = |
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114 | { |
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115 | "fftw_hc2real_11", |
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116 | (void (*)()) fftw_hc2real_11, |
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117 | 11, |
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118 | FFTW_BACKWARD, |
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119 | FFTW_HC2REAL, |
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120 | 257, |
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121 | 0, |
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122 | (const int *) 0, |
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123 | }; |