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1 This is fftw3.info, produced by makeinfo version 4.13 from fftw3.texi.
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2
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3 This manual is for FFTW (version 3.3.3, 25 November 2012).
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4
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5 Copyright (C) 2003 Matteo Frigo.
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6
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7 Copyright (C) 2003 Massachusetts Institute of Technology.
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8
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9 Permission is granted to make and distribute verbatim copies of
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10 this manual provided the copyright notice and this permission
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11 notice are preserved on all copies.
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12
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13 Permission is granted to copy and distribute modified versions of
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14 this manual under the conditions for verbatim copying, provided
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15 that the entire resulting derived work is distributed under the
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16 terms of a permission notice identical to this one.
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17
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18 Permission is granted to copy and distribute translations of this
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19 manual into another language, under the above conditions for
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20 modified versions, except that this permission notice may be
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21 stated in a translation approved by the Free Software Foundation.
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22
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23 INFO-DIR-SECTION Texinfo documentation system
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24 START-INFO-DIR-ENTRY
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25 * fftw3: (fftw3). FFTW User's Manual.
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26 END-INFO-DIR-ENTRY
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27
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28
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29 Indirect:
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30 fftw3.info-1: 1076
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31 fftw3.info-2: 297310
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32
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33 Tag Table:
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34 (Indirect)
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35 Node: Top1076
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36 Node: Introduction1749
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37 Node: Tutorial8085
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38 Ref: Tutorial-Footnote-19329
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39 Node: Complex One-Dimensional DFTs9423
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40 Node: Complex Multi-Dimensional DFTs15179
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41 Ref: Complex Multi-Dimensional DFTs-Footnote-118611
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42 Node: One-Dimensional DFTs of Real Data18746
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43 Node: Multi-Dimensional DFTs of Real Data23191
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44 Node: More DFTs of Real Data27121
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45 Node: The Halfcomplex-format DFT30623
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46 Node: Real even/odd DFTs (cosine/sine transforms)33232
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47 Ref: Real even/odd DFTs (cosine/sine transforms)-Footnote-138842
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48 Ref: Real even/odd DFTs (cosine/sine transforms)-Footnote-239031
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49 Node: The Discrete Hartley Transform39964
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50 Ref: The Discrete Hartley Transform-Footnote-142149
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51 Node: Other Important Topics42398
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52 Node: SIMD alignment and fftw_malloc42691
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53 Node: Multi-dimensional Array Format44951
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54 Node: Row-major Format45572
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55 Node: Column-major Format47265
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56 Node: Fixed-size Arrays in C48349
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57 Node: Dynamic Arrays in C49785
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58 Node: Dynamic Arrays in C-The Wrong Way51423
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59 Node: Words of Wisdom-Saving Plans53171
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60 Node: Caveats in Using Wisdom55846
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61 Node: FFTW Reference57934
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62 Node: Data Types and Files58422
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63 Node: Complex numbers58854
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64 Node: Precision60595
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65 Node: Memory Allocation62157
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66 Node: Using Plans63728
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67 Node: Basic Interface67608
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68 Ref: Basic Interface-Footnote-168352
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69 Node: Complex DFTs68416
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70 Node: Planner Flags72383
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71 Node: Real-data DFTs77740
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72 Node: Real-data DFT Array Format82736
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73 Node: Real-to-Real Transforms84991
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74 Node: Real-to-Real Transform Kinds88961
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75 Node: Advanced Interface91429
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76 Node: Advanced Complex DFTs92169
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77 Node: Advanced Real-data DFTs96428
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78 Node: Advanced Real-to-real Transforms98755
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79 Node: Guru Interface99861
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80 Node: Interleaved and split arrays100784
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81 Node: Guru vector and transform sizes101827
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82 Node: Guru Complex DFTs104392
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83 Node: Guru Real-data DFTs107228
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84 Node: Guru Real-to-real Transforms110151
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85 Node: 64-bit Guru Interface111470
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86 Node: New-array Execute Functions113793
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87 Node: Wisdom117791
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88 Node: Wisdom Export118150
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89 Node: Wisdom Import120124
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90 Node: Forgetting Wisdom122146
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91 Node: Wisdom Utilities122518
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92 Node: What FFTW Really Computes123885
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93 Node: The 1d Discrete Fourier Transform (DFT)124710
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94 Node: The 1d Real-data DFT126069
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95 Node: 1d Real-even DFTs (DCTs)127723
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96 Node: 1d Real-odd DFTs (DSTs)130932
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97 Node: 1d Discrete Hartley Transforms (DHTs)133874
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98 Node: Multi-dimensional Transforms134550
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99 Node: Multi-threaded FFTW137153
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100 Node: Installation and Supported Hardware/Software138622
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101 Node: Usage of Multi-threaded FFTW140447
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102 Node: How Many Threads to Use?143755
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103 Node: Thread safety144779
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104 Node: Distributed-memory FFTW with MPI146947
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105 Node: FFTW MPI Installation149526
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106 Node: Linking and Initializing MPI FFTW151318
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107 Node: 2d MPI example152548
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108 Node: MPI Data Distribution156784
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109 Node: Basic and advanced distribution interfaces159662
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110 Node: Load balancing164097
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111 Node: Transposed distributions165783
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112 Node: One-dimensional distributions169555
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113 Node: Multi-dimensional MPI DFTs of Real Data172124
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114 Node: Other Multi-dimensional Real-data MPI Transforms176772
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115 Node: FFTW MPI Transposes178945
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116 Node: Basic distributed-transpose interface179785
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117 Node: Advanced distributed-transpose interface181969
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118 Node: An improved replacement for MPI_Alltoall183257
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119 Node: FFTW MPI Wisdom185233
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120 Ref: FFTW MPI Wisdom-Footnote-1187976
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121 Node: Avoiding MPI Deadlocks188889
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122 Node: FFTW MPI Performance Tips189918
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123 Node: Combining MPI and Threads191387
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124 Node: FFTW MPI Reference194858
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125 Node: MPI Files and Data Types195437
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126 Node: MPI Initialization196433
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127 Node: Using MPI Plans197532
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128 Node: MPI Data Distribution Functions199358
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129 Node: MPI Plan Creation204814
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130 Node: MPI Wisdom Communication215491
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131 Node: FFTW MPI Fortran Interface216417
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132 Ref: FFTW MPI Fortran Interface-Footnote-1222446
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133 Node: Calling FFTW from Modern Fortran222853
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134 Node: Overview of Fortran interface224204
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135 Node: Extended and quadruple precision in Fortran227656
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136 Node: Reversing array dimensions229037
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137 Node: FFTW Fortran type reference232572
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138 Node: Plan execution in Fortran237059
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139 Node: Allocating aligned memory in Fortran239955
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140 Node: Accessing the wisdom API from Fortran243319
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141 Node: Wisdom File Export/Import from Fortran244096
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142 Node: Wisdom String Export/Import from Fortran245758
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143 Node: Wisdom Generic Export/Import from Fortran247746
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144 Node: Defining an FFTW module249976
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145 Node: Calling FFTW from Legacy Fortran251045
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146 Node: Fortran-interface routines252602
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147 Ref: Fortran-interface routines-Footnote-1256260
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148 Ref: Fortran-interface routines-Footnote-2256463
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149 Node: FFTW Constants in Fortran256596
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150 Node: FFTW Execution in Fortran257751
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151 Node: Fortran Examples260507
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152 Node: Wisdom of Fortran?263926
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153 Node: Upgrading from FFTW version 2265606
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154 Ref: Upgrading from FFTW version 2-Footnote-1275229
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155 Node: Installation and Customization275412
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156 Node: Installation on Unix277056
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157 Node: Installation on non-Unix systems285719
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158 Node: Cycle Counters287934
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159 Node: Generating your own code289686
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160 Node: Acknowledgments291721
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161 Node: License and Copyright295441
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162 Node: Concept Index297310
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163 Node: Library Index333952
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164
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165 End Tag Table
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