[SciPy-dev] Cleaning and fixing fft in scipy ?
David M. Cooke
cookedm at physics.mcmaster.ca
Wed May 2 13:46:05 EDT 2007
On May 2, 2007, at 05:02 , John Travers wrote:
> On 02/05/07, David Cournapeau <david at ar.media.kyoto-u.ac.jp> wrote:
>> - My understanding is that except for djbfft backend, all other
>> backend implement fft of any size (eg different than 2^n); so for
>> djbfft
>> backend, for size different than 2^n, it uses a diffferent
>> backend. For
>> example, if FFTW (v2) is selected and djbfft detected, then the zfft
>> function is effectively using 2 backend: djbfft and fftw2. Would
>> it be a
>> big problem if in djbfft case, the sizes != 2^n are always handled
>> through a fixed backend (fftpack I guess) ?
>
> Well, probably not, as people using djbfft probably know what they are
> doing.
Not necessarily :-) It's listed as a possible dependency, so people
(like me) just install it.
--
|>|\/|<
/------------------------------------------------------------------\
|David M. Cooke http://arbutus.physics.mcmaster.ca/dmc/
|cookedm at physics.mcmaster.ca
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