Package fftw

A Fast Fourier Transform library

http://www.fftw.org

FFTW is a C subroutine library for computing the Discrete Fourier
Transform (DFT) in one or more dimensions, of both real and complex
data, and of arbitrary input size.

General Commands
Command Description
fftwf-wisdom create wisdom (pre-optimized FFTs)
fftwl-wisdom create wisdom (pre-optimized FFTs)
fftwq-wisdom create wisdom (pre-optimized FFTs)
fftw-wisdom create wisdom (pre-optimized FFTs)
fftw-wisdom-to-conf generate FFTW wisdom (pre-planned transforms)