[fpc-pascal] Good FFT example anywhere?

[Adriaan van Os]

> 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...

But note that even a perfect FFT will suffer from some side-effects

<https://en.wikipedia.org/wiki/Gibbs_phenomenon>
<https://en.wikipedia.org/wiki/Ringing_artifacts>
<https://en.wikipedia.org/wiki/Window_function>

Regards,

Adriaan van Os