https://github.com/LASY-org/lasy/blob/development/lasy/utils/fft_wrapper.py contains simple FFT functions. Other backends (Scipy, pyFFTW) should be tested and implemented if significantly faster.
https://github.com/LASY-org/lasy/blob/development/lasy/utils/fft_wrapper.py contains simple FFT functions. Other backends (Scipy, pyFFTW) should be tested and implemented if significantly faster.