[fpc-pascal] Good FFT example anywhere?

[Martin Schreiber]

On Sunday 09 April 2017 10:06:41 Bo Berglund wrote:
> I am looking for some good example of FFT functions in pascal but it
> seems like what Google serves up is rather old and refers to
> Turbo-pascal and the like...
> So maybe someone here knows about some open-source example of FFT
> using FreePascal (or Delphi)?
>
MSEgui has tfft which uses the FFTW library.
https://gitlab.com/mseide-msegui/mseide-msegui/blob/master/lib/common/math/msefft.pas

Martin