Installation with C++ interface

FFTX is available on GitHub as open source under a non-viral BSD-style license.

https://github.com/spiral-software/fftx/

It builds and runs on several platforms, including Windows, Linux, macOS, Raspberry Pi, the Frontier system with HIP backend at the Oak Ridge Leadership Computing Facility, and the Perlmutter system with CUDA backend at the National Energy Research Scientific Computing Center. See the README on GitHub for more information.