
Discrete Fourier transform.

check1       Check of the DFT and DFT4D parameter setting.

check2       Check of the programs fft() and inv_fft().

check3       Check of the programs dft_gather() and dft_scatter().

check4       Check of the programs dft4d() and inv_dft4d().

check5       Check of the programs dft4d() and inv_dft4d() (boundary values).

check6       Check of the program dft4d() (random momenta).

time1        Timing of the 4d parallel Fourier transform.

Local modules:

dpgen        Generation of random DFT4D parameter sets.
