FFTPACK

A package of fortran subprograms for the fast fourier transform of periodic and other symmetric sequences.

Getting started

Get the code

git clone https://github.com/fortran-lang/fftpack.git
cd fftpack

Build with fortran-lang/fpm

Fortran Package Manager (fpm) is a great package manager and build system for Fortran.
You can build using provided fpm.toml:

fpm build --flag "-O2"
fpm test --flag "-O2" --list
fpm test --flag "-O2" <test_name, see `fpm.toml` or list>

To use fftpack within your fpm project, add the following to your fpm.toml file:

[dependencies]
fftpack = { git="https://github.com/fortran-lang/fftpack.git" }

Build with Make

Alternatively, you can build using provided Makefile:

make

Links

netlib/dfftpack1.0(fftpack4.0)
Documents of fft routines in GNU/gsl based on netlib/fftpack
Documents of scipy.fftpack
NACR/FFTPACK 5.1