fftw: FFTW Fastest Fourier Transform in the West
fftw:
fftw: FFTW is a free collection libraries for computing the (DFT)
fftw: Discrete Fourier Transform in one or more dimensions.
fftw: It includes complex, real, symmetric, and parallel transforms,
fftw: and can handle arbitrary array sizes efficiently.
fftw:
fftw: http://www.fftw.org/
fftw:
fftw: You can build optimized libraries for your machine with the included
fftw: build-fftw_lib.sh without interfering with package management.