FFTW

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