This is the fftMPI library.

fftMPI website: https://sjplimp.github.io/fftmpi

Contact author:

Steve Plimpton
Sandia National Laboratories (retired)
sjplimp@gmail.com
https://sjplimp.github.io

The fftMPI library is distributed as open-source code under the
modified Berkeley Software Distribution (BSD) License.  See the
accompanying LICENSE file.

This directory contains the following:

README         this file
LICENSE        modified BSD license
doc            documentation
src            source files for library
test	       test FFT codes in C++, C, Fortran 90, Python

Point your browser at doc/Manual.html to get started.