[std.numeric.fft] Arbitrary sized FFT

[Commander Zot]

On Saturday, 5 November 2022 at 14:47:40 UTC, RIG_ wrote:
> Hi,
>
> I want to use D for scientific programming (I work at a 
> University). It's fast, it's readable, and it's so nice to use, 
> but I'm probably going to be forced to use Python / MATLAB 
> unless I can easily do a Fast Fourier Transform.
>
> [...]

i use liquiddsp. i even ported it to D. but it's probably 
outdated.
i'd be happy to have it in the std lib though.