.. _Chap:FFT:

.. _sec:FFT:FFTOverview:

Discrete Fourier Transform
==========================

AMReX provides support for parallel discrete Fourier transforms. The
implementation utilizes cuFFT, rocFFT, oneMKL and FFTW, for CUDA, HIP, SYCL
and CPU builds, respectively. It also provides FFT-based Poisson
solvers.

.. toctree::
   :maxdepth: 1

   FFT