Public domain source code for fast fourier transforms and/or spectral analysis...

[Philippe Lebrun]

In article <5net75$q2f at kew.globalnet.co.uk>,
	aida at globalnet.co.uk (Dr. Eldon D. Lehmann) writes:
>  
> I am looking for some public domain source code for performing fast
> fourier transforms and/or spectral analysis for a medical application.
> A pointer to a software library would be very much appreciated.
> 

Try "Numerical Recipes in [C Pascal Fortan ...]" by Press, Flannery,Teukolsky,
and Vetterling  Cambridge University Press.

All you need, and quite well explained.

-Philippe