This is fftw3.info, produced by makeinfo version 6.3 from fftw3.texi.

This manual is for FFTW (version 3.3.8, 24 May 2018).

   Copyright (C) 2003 Matteo Frigo.

   Copyright (C) 2003 Massachusetts Institute of Technology.

     Permission is granted to make and distribute verbatim copies of
     this manual provided the copyright notice and this permission
     notice are preserved on all copies.

     Permission is granted to copy and distribute modified versions of
     this manual under the conditions for verbatim copying, provided
     that the entire resulting derived work is distributed under the
     terms of a permission notice identical to this one.

     Permission is granted to copy and distribute translations of this
     manual into another language, under the above conditions for
     modified versions, except that this permission notice may be stated
     in a translation approved by the Free Software Foundation.
INFO-DIR-SECTION Development
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* fftw3: (fftw3).	FFTW User's Manual.
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fftw3.info-1: 1052
fftw3.info-2: 337333

Tag Table:
(Indirect)
Node: Top1052
Node: Introduction1850
Node: Tutorial8149
Ref: Tutorial-Footnote-19391
Node: Complex One-Dimensional DFTs9485
Node: Complex Multi-Dimensional DFTs15219
Ref: Complex Multi-Dimensional DFTs-Footnote-118645
Node: One-Dimensional DFTs of Real Data18780
Node: Multi-Dimensional DFTs of Real Data23220
Node: More DFTs of Real Data27146
Node: The Halfcomplex-format DFT30643
Node: Real even/odd DFTs (cosine/sine transforms)33252
Ref: Real even/odd DFTs (cosine/sine transforms)-Footnote-138841
Ref: Real even/odd DFTs (cosine/sine transforms)-Footnote-239030
Node: The Discrete Hartley Transform39964
Ref: The Discrete Hartley Transform-Footnote-142146
Node: Other Important Topics42396
Node: SIMD alignment and fftw_malloc42689
Node: Multi-dimensional Array Format44878
Node: Row-major Format45498
Node: Column-major Format47194
Node: Fixed-size Arrays in C48275
Node: Dynamic Arrays in C49711
Node: Dynamic Arrays in C-The Wrong Way51345
Node: Words of Wisdom-Saving Plans53093
Node: Caveats in Using Wisdom55761
Node: FFTW Reference57844
Node: Data Types and Files58332
Node: Complex numbers58764
Node: Precision60502
Node: Memory Allocation62062
Node: Using Plans63627
Node: Basic Interface67652
Ref: Basic Interface-Footnote-168396
Node: Complex DFTs68460
Node: Planner Flags72425
Node: Real-data DFTs77865
Node: Real-data DFT Array Format82854
Node: Real-to-Real Transforms85110
Node: Real-to-Real Transform Kinds89073
Node: Advanced Interface91538
Node: Advanced Complex DFTs92278
Node: Advanced Real-data DFTs96546
Node: Advanced Real-to-real Transforms98874
Node: Guru Interface99979
Node: Interleaved and split arrays100903
Node: Guru vector and transform sizes101942
Node: Guru Complex DFTs104639
Node: Guru Real-data DFTs107475
Node: Guru Real-to-real Transforms110394
Node: 64-bit Guru Interface111713
Node: New-array Execute Functions114028
Node: Wisdom118524
Node: Wisdom Export118883
Node: Wisdom Import120861
Node: Forgetting Wisdom122888
Node: Wisdom Utilities123261
Node: What FFTW Really Computes124623
Node: The 1d Discrete Fourier Transform (DFT)125448
Node: The 1d Real-data DFT126806
Node: 1d Real-even DFTs (DCTs)128470
Node: 1d Real-odd DFTs (DSTs)131671
Node: 1d Discrete Hartley Transforms (DHTs)134607
Node: Multi-dimensional Transforms135283
Node: Multi-threaded FFTW137887
Node: Installation and Supported Hardware/Software139353
Node: Usage of Multi-threaded FFTW141177
Node: How Many Threads to Use?144477
Node: Thread safety145499
Node: Distributed-memory FFTW with MPI148799
Node: FFTW MPI Installation151374
Node: Linking and Initializing MPI FFTW153161
Node: 2d MPI example154384
Node: MPI Data Distribution158609
Node: Basic and advanced distribution interfaces161483
Node: Load balancing165904
Node: Transposed distributions167589
Node: One-dimensional distributions171356
Node: Multi-dimensional MPI DFTs of Real Data173921
Node: Other Multi-dimensional Real-data MPI Transforms178562
Node: FFTW MPI Transposes180735
Node: Basic distributed-transpose interface181575
Node: Advanced distributed-transpose interface183748
Node: An improved replacement for MPI_Alltoall185032
Node: FFTW MPI Wisdom187001
Ref: FFTW MPI Wisdom-Footnote-1189739
Node: Avoiding MPI Deadlocks190653
Node: FFTW MPI Performance Tips191678
Node: Combining MPI and Threads193143
Node: FFTW MPI Reference196606
Node: MPI Files and Data Types197185
Node: MPI Initialization198181
Node: Using MPI Plans199280
Node: MPI Data Distribution Functions201106
Node: MPI Plan Creation206563
Node: MPI Wisdom Communication217239
Node: FFTW MPI Fortran Interface218165
Ref: FFTW MPI Fortran Interface-Footnote-1224188
Node: Calling FFTW from Modern Fortran224596
Node: Overview of Fortran interface225946
Node: Extended and quadruple precision in Fortran229401
Node: Reversing array dimensions230782
Node: FFTW Fortran type reference234313
Node: Plan execution in Fortran238807
Node: Allocating aligned memory in Fortran241690
Node: Accessing the wisdom API from Fortran245052
Node: Wisdom File Export/Import from Fortran245829
Node: Wisdom String Export/Import from Fortran247491
Node: Wisdom Generic Export/Import from Fortran249476
Node: Defining an FFTW module251706
Node: Calling FFTW from Legacy Fortran252777
Node: Fortran-interface routines254334
Ref: Fortran-interface routines-Footnote-1257989
Ref: Fortran-interface routines-Footnote-2258192
Node: FFTW Constants in Fortran258325
Node: FFTW Execution in Fortran259479
Node: Fortran Examples262225
Node: Wisdom of Fortran?265626
Node: Upgrading from FFTW version 2267305
Ref: Upgrading from FFTW version 2-Footnote-1276932
Node: Installation and Customization277115
Node: Installation on Unix278756
Node: Installation on non-Unix systems286833
Node: Cycle Counters289050
Node: Generating your own code290801
Node: Acknowledgments292835
Node: License and Copyright296551
Node: Concept Index298421
Node: Library Index337333

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