
********************************************************************************

                     Discrete Fourier transform (DFT)

********************************************************************************


Files
-----

dft4d.c        Parallel 4d Fourier transform.

dft_com.c      Communication programs for the parallel discrete Fourier
               transform.

dft_shuf.c     Array reordering program for the parallel discrete Fourier
               transform.

dft_wspace.c   DFT workspace utility programs.

fft.c          Fast Fourier transform.

small_dft.c    Small discrete Fourier transforms.


Include file
------------

The file dft.h defines the prototypes for all externally accessible functions
that are defined in the *.c files listed above.
