Information about software packages installed on the ICHEC systems.
FFTW (Fastest Fourier Transform in the West) 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).
FFTW is available under the GNU General Public License.
To load fftw3 on fionn serial version against intel compilers
To load fftw3 on fionn mpi version against intel compilers and intel mpi
Further information can be obtained at www.fftw.org.