13 Concept Index: P – W

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	Index Entry	Section

P
	padding	2.3 One-Dimensional DFTs of Real Data
	padding	2.4 Multi-Dimensional DFTs of Real Data
	padding	Arguments
	padding	4.3.4 Real-data DFT Array Format
	padding	6.5 Multi-dimensional MPI DFTs of Real Data
	padding	7.2 Reversing array dimensions
	parallel transform	5 Multi-threaded FFTW
	parallel transform	6 Distributed-memory FFTW with MPI
	partial order	2.2 Complex Multi-Dimensional DFTs
	plan	1 Introduction
	plan	2.1 Complex One-Dimensional DFTs
	planner	1 Introduction
	portability	3.1 SIMD alignment and fftw_malloc
	portability	3.4 Caveats in Using Wisdom
	portability	4.1.1 Complex numbers
	portability	5.1 Installation and Supported Hardware/Software
	portability	7 Calling FFTW from Modern Fortran
	portability	7.3 FFTW Fortran type reference
	portability	8.1 Fortran-interface routines
	portability	8.1 Fortran-interface routines
	portability	8.5 Wisdom of Fortran?
	portability	10 Installation and Customization
	precision	2.1 Complex One-Dimensional DFTs
	precision	2.3 One-Dimensional DFTs of Real Data
	precision	3.1 SIMD alignment and fftw_malloc
	precision	4.1.2 Precision
	precision	4.1.3 Memory Allocation
	precision	6.2 Linking and Initializing MPI FFTW
	precision	6.12.1 MPI Files and Data Types
	precision	7.1.1 Extended and quadruple precision in Fortran
	precision	7.3 FFTW Fortran type reference
	precision	10.1 Installation on Unix
	precision	10.1 Installation on Unix
	precision	10.1 Installation on Unix

R
	r2c	2.3 One-Dimensional DFTs of Real Data
	r2c	2.5.1 The Halfcomplex-format DFT
	r2c	4.3.3 Real-data DFTs
	r2c	4.8.6 Multi-dimensional Transforms
	r2c	Real-data MPI DFTs
	r2c/c2r multi-dimensional array format	2.4 Multi-Dimensional DFTs of Real Data
	r2c/c2r multi-dimensional array format	4.3.4 Real-data DFT Array Format
	r2c/c2r multi-dimensional array format	7.2 Reversing array dimensions
	r2c/c2r multi-dimensional array format	8.4 Fortran Examples
	r2hc	2.5.1 The Halfcomplex-format DFT
	r2r	2.5 More DFTs of Real Data
	r2r	4.3.5 Real-to-Real Transforms
	r2r	4.8.2 The 1d Real-data DFT
	r2r	6.6 Other multi-dimensional Real-Data MPI Transforms
	r2r	MPI r2r transforms
	rank	2.2 Complex Multi-Dimensional DFTs
	real-even DFT	2.5.2 Real even/odd DFTs (cosine/sine transforms)
	real-even DFT	4.8.3 1d Real-even DFTs (DCTs)
	real-odd DFT	2.5.2 Real even/odd DFTs (cosine/sine transforms)
	real-odd DFT	4.8.4 1d Real-odd DFTs (DSTs)
	REDFT	2.5.2 Real even/odd DFTs (cosine/sine transforms)
	REDFT	4.8.3 1d Real-even DFTs (DCTs)
	REDFT	10.4 Generating your own code
	RODFT	2.5.2 Real even/odd DFTs (cosine/sine transforms)
	RODFT	4.8.4 1d Real-odd DFTs (DSTs)
	row-major	3.2.1 Row-major Format
	row-major	Arguments
	row-major	Arguments
	row-major	4.5.2 Guru vector and transform sizes
	row-major	6.4.1 Basic and advanced distribution interfaces
	row-major	6.5 Multi-dimensional MPI DFTs of Real Data
	row-major	7.2 Reversing array dimensions

S
	saving plans to disk	3.3 Words of Wisdom—Saving Plans
	saving plans to disk	4.7 Wisdom
	saving plans to disk	6.8 FFTW MPI Wisdom
	saving plans to disk	7.6 Accessing the wisdom API from Fortran
	shared-memory	5 Multi-threaded FFTW
	SIMD	2.1 Complex One-Dimensional DFTs
	SIMD	3.1 SIMD alignment and fftw_malloc
	SIMD	7.1 Overview of Fortran interface
	split format	4.5.1 Interleaved and split arrays
	SSE	3.1 SIMD alignment and fftw_malloc
	SSE2	3.1 SIMD alignment and fftw_malloc
	stride	3.2.1 Row-major Format
	stride	4.4.1 Advanced Complex DFTs
	stride	4.5.2 Guru vector and transform sizes
	stride	Complex-data MPI DFTs

T
	thread safety	5.2 Usage of Multi-threaded FFTW
	thread safety	5.4 Thread safety
	thread safety	6.11 Combining MPI and Threads
	threads	5 Multi-threaded FFTW
	threads	5.4 Thread safety
	threads	6.11 Combining MPI and Threads
	threads	10.1 Installation on Unix
	transpose	6.4.3 Transposed distributions
	transpose	6.5 Multi-dimensional MPI DFTs of Real Data
	transpose	6.7 FFTW MPI Transposes
	transpose	6.10 FFTW MPI Performance Tips
	transpose	6.11 Combining MPI and Threads
	transpose	MPI transposition

V
	vector	4.5 Guru Interface

W
	wisdom	3.3 Words of Wisdom—Saving Plans
	wisdom	4.7 Wisdom
	wisdom	6.8 FFTW MPI Wisdom
	wisdom	7.6 Accessing the wisdom API from Fortran
	wisdom, problems with	3.4 Caveats in Using Wisdom
	wisdom, system-wide	3.4 Caveats in Using Wisdom
	wisdom, system-wide	4.7.2 Wisdom Import

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