This directory includes HPF routines for performing 2D and 3D FFTs.

This is version 2 of this library, which eliminates the use of HPF_LOCAL
procedures.

Library routines:
fft2dlib.hpf -> 2D FFT routines
fft3dlib.hpf -> 3D FFT routines

Test/demonstration routines:
testfft2d.hpf -> demonstrates 2D FFT routines
testfft3d.hpf -> demonstrates 3D FFT routines
globals.hpf -> defines the module 'globals' which sets the precision of
               all the calculations (required whenever using this library)
Makefile -> sample makefile for building demos, assuming the pghpf compiler



Additional documentation is available in the source files.

This library was tested using PGHPF 4.1 on a Linux/PIII Beowulf cluster.

Refer problems or questions to the author (dsteck@lanl.gov).