FFTW
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FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbitrary input size, and of both real and complex data (as well as of even/odd data, i.e. the discrete cosine/sine transforms or DCT/DST).
Project website: http://www.fftw.org/
Load SGE module
The following Modules files should be loaded for this package:
For GNU:
module load fftw/fftw3-gnu
For Intel:
module load fftw/fftw3-intel