[phobos] FFT

[Walter Bright]

David Simcha wrote:
>
> As I am no longer going to use FFTs in my kernel density lib, 
> improving this FFT code will be bumped down my hacking to-do list.  
> Does what I have now sound better than nothing by a large enough 
> margin to warrant inclusion in std.numeric, or does it sound too 
> primitive to be widely useful?  If it sounds worth including I'll 
> clean up/document the code and send it to the mailing list for 
> review.  If it sounds too primitive, I'll just scrap it.
>

I don't know enough about FFT's to make any sort of informed comment.