[SciPy-dev] Dropping djbfft ?

Neal Becker ndbecker2@gmail....
Mon May 12 12:39:34 CDT 2008


Robert Kern wrote:

> On Mon, May 12, 2008 at 11:30 AM, Jarrod Millman <millman@berkeley.edu>
> wrote:
>> On Mon, May 12, 2008 at 7:59 AM, David Cournapeau
>>  <david@ar.media.kyoto-u.ac.jp> wrote:
>>  >     I would like to ask again about dropping djbfft support. Djbfft is
>>  >     a
>>  >  fft implementation, which has not been updated since 1999, and is not
>>  >  packaged by most linux distributions (I quite doubt anyone on windows
>>  >  is using it). Also, because it only supports 2^n sizes, it has to be
>>  >  used simultaneously with another backend (fftpack, fftw, fftw3,
>>  >  etc....). The later is why I would like to drop it: it is quite a
>>  >  PITA to test all combinations, and it takes a lot of time for maybe
>>  >  one or two users out there. I would much prefer spending times on
>>  >  improving things like our fftw3 support, float support, etc...
>>
>>  +1
>>  I don't think I ever reported it, but I am pretty sure I have run into
>>  problems by just having it installed when building SciPy.  I would be
>>  interested in whether anyone is able to successful use it.
> 
> I usually do have it installed and built into scipy, and I don't think
> I have had any problems with it. But I'm not averse to removing it if
> it causing problems for other people.
> 

fftw is great, but be aware it has a restricted license.



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