[Numpy-discussion] Speaking of fft code

David Cournapeau david@ar.media.kyoto-u.ac...
Thu Jun 4 19:15:11 CDT 2009


Neal Becker wrote:
> Has this been considered as a candidate for our fft?
>
> http://sourceforge.net/projects/kissfft
>   

I looked at it when I was looking for a BSD-compatible FFT with support
for prime factors (which fftpack does not handle). As Robert mentioned,
I did not see any compelling reason to bother - the main limitation of
fftpack as used in numpy is support for prime numbers (because you then
get N**2 performances), and kissfft did not support this last time I
checked.

cheers,

David


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