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(fftw.info)FFTW Reference

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FFTW Reference
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   This chapter provides a complete reference for all sequential (i.e.,
one-processor) FFTW functions.  We first define the data types upon
which FFTW operates, that is, real, complex, and "halfcomplex" numbers
(Note: Data Types.).  Then, in four sections, we explain the FFTW
program interface for complex one-dimensional transforms (Note:
One-dimensional Transforms Reference.), complex multi-dimensional
transforms (Note: Multi-dimensional Transforms Reference.), and real
one-dimensional transforms (Note: Real One-dimensional Transforms
Reference.), real multi-dimensional transforms (Note: Real
Multi-dimensional Transforms Reference.).  Note: Wisdom Reference
describes the `wisdom' mechanism for exporting and importing plans.
Finally, Note: Memory Allocator Reference describes how to change
FFTW's default memory allocator.  For parallel transforms, Note:
Parallel FFTW.

Data Types

real, complex, and halfcomplex numbers

One-dimensional Transforms Reference

Multi-dimensional Transforms Reference

Real One-dimensional Transforms Reference

Real Multi-dimensional Transforms Reference

Wisdom Reference

Memory Allocator Reference

Thread safety