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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 3.3.4, 20 September 2013).
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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 Development
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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: 1060
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31 fftw3.info-2: 298053
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32
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33 Tag Table:
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34 (Indirect)
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35 Node: Top1060
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36 Node: Introduction1733
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37 Node: Tutorial8069
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38 Ref: Tutorial-Footnote-19313
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39 Node: Complex One-Dimensional DFTs9407
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40 Node: Complex Multi-Dimensional DFTs15163
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41 Ref: Complex Multi-Dimensional DFTs-Footnote-118595
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42 Node: One-Dimensional DFTs of Real Data18730
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43 Node: Multi-Dimensional DFTs of Real Data23175
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44 Node: More DFTs of Real Data27105
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45 Node: The Halfcomplex-format DFT30607
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46 Node: Real even/odd DFTs (cosine/sine transforms)33216
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47 Ref: Real even/odd DFTs (cosine/sine transforms)-Footnote-138826
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48 Ref: Real even/odd DFTs (cosine/sine transforms)-Footnote-239015
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49 Node: The Discrete Hartley Transform39948
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50 Ref: The Discrete Hartley Transform-Footnote-142133
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51 Node: Other Important Topics42382
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52 Node: SIMD alignment and fftw_malloc42675
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53 Node: Multi-dimensional Array Format44935
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54 Node: Row-major Format45556
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55 Node: Column-major Format47249
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56 Node: Fixed-size Arrays in C48333
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57 Node: Dynamic Arrays in C49769
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58 Node: Dynamic Arrays in C-The Wrong Way51407
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59 Node: Words of Wisdom-Saving Plans53155
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60 Node: Caveats in Using Wisdom55830
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61 Node: FFTW Reference57918
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62 Node: Data Types and Files58406
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63 Node: Complex numbers58838
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64 Node: Precision60579
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65 Node: Memory Allocation62141
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66 Node: Using Plans63712
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67 Node: Basic Interface67752
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68 Ref: Basic Interface-Footnote-168496
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69 Node: Complex DFTs68560
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70 Node: Planner Flags72527
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71 Node: Real-data DFTs77982
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72 Node: Real-data DFT Array Format82978
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73 Node: Real-to-Real Transforms85233
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74 Node: Real-to-Real Transform Kinds89203
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75 Node: Advanced Interface91671
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76 Node: Advanced Complex DFTs92411
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77 Node: Advanced Real-data DFTs96670
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78 Node: Advanced Real-to-real Transforms98997
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79 Node: Guru Interface100103
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80 Node: Interleaved and split arrays101026
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81 Node: Guru vector and transform sizes102069
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82 Node: Guru Complex DFTs104634
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83 Node: Guru Real-data DFTs107470
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84 Node: Guru Real-to-real Transforms110393
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85 Node: 64-bit Guru Interface111712
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86 Node: New-array Execute Functions114035
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87 Node: Wisdom118534
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88 Node: Wisdom Export118893
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89 Node: Wisdom Import120867
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90 Node: Forgetting Wisdom122889
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91 Node: Wisdom Utilities123261
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92 Node: What FFTW Really Computes124628
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93 Node: The 1d Discrete Fourier Transform (DFT)125453
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94 Node: The 1d Real-data DFT126812
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95 Node: 1d Real-even DFTs (DCTs)128466
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96 Node: 1d Real-odd DFTs (DSTs)131675
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97 Node: 1d Discrete Hartley Transforms (DHTs)134617
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98 Node: Multi-dimensional Transforms135293
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99 Node: Multi-threaded FFTW137896
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100 Node: Installation and Supported Hardware/Software139365
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101 Node: Usage of Multi-threaded FFTW141190
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102 Node: How Many Threads to Use?144498
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103 Node: Thread safety145522
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104 Node: Distributed-memory FFTW with MPI147690
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105 Node: FFTW MPI Installation150269
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106 Node: Linking and Initializing MPI FFTW152061
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107 Node: 2d MPI example153291
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108 Node: MPI Data Distribution157527
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109 Node: Basic and advanced distribution interfaces160405
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110 Node: Load balancing164840
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111 Node: Transposed distributions166526
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112 Node: One-dimensional distributions170298
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113 Node: Multi-dimensional MPI DFTs of Real Data172867
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114 Node: Other Multi-dimensional Real-data MPI Transforms177515
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115 Node: FFTW MPI Transposes179688
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116 Node: Basic distributed-transpose interface180528
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117 Node: Advanced distributed-transpose interface182712
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118 Node: An improved replacement for MPI_Alltoall184000
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119 Node: FFTW MPI Wisdom185976
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120 Ref: FFTW MPI Wisdom-Footnote-1188719
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121 Node: Avoiding MPI Deadlocks189632
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122 Node: FFTW MPI Performance Tips190661
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123 Node: Combining MPI and Threads192130
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124 Node: FFTW MPI Reference195601
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125 Node: MPI Files and Data Types196180
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126 Node: MPI Initialization197176
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127 Node: Using MPI Plans198275
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128 Node: MPI Data Distribution Functions200101
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129 Node: MPI Plan Creation205557
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130 Node: MPI Wisdom Communication216234
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131 Node: FFTW MPI Fortran Interface217160
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132 Ref: FFTW MPI Fortran Interface-Footnote-1223189
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133 Node: Calling FFTW from Modern Fortran223596
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134 Node: Overview of Fortran interface224947
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135 Node: Extended and quadruple precision in Fortran228399
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136 Node: Reversing array dimensions229780
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137 Node: FFTW Fortran type reference233315
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138 Node: Plan execution in Fortran237802
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139 Node: Allocating aligned memory in Fortran240698
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140 Node: Accessing the wisdom API from Fortran244062
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141 Node: Wisdom File Export/Import from Fortran244839
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142 Node: Wisdom String Export/Import from Fortran246501
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143 Node: Wisdom Generic Export/Import from Fortran248489
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144 Node: Defining an FFTW module250719
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145 Node: Calling FFTW from Legacy Fortran251788
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146 Node: Fortran-interface routines253345
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147 Ref: Fortran-interface routines-Footnote-1257003
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148 Ref: Fortran-interface routines-Footnote-2257206
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149 Node: FFTW Constants in Fortran257339
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150 Node: FFTW Execution in Fortran258494
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151 Node: Fortran Examples261250
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152 Node: Wisdom of Fortran?264669
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153 Node: Upgrading from FFTW version 2266349
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154 Ref: Upgrading from FFTW version 2-Footnote-1275972
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155 Node: Installation and Customization276155
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156 Node: Installation on Unix277799
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157 Node: Installation on non-Unix systems286462
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158 Node: Cycle Counters288677
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159 Node: Generating your own code290429
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160 Node: Acknowledgments292464
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161 Node: License and Copyright296184
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162 Node: Concept Index298053
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163 Node: Library Index334695
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164
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165 End Tag Table
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