[SciPy-user] how to build in fftw3 support?

Lin Shao shao@msg.ucsf....
Thu May 22 17:58:59 CDT 2008

On Thu, May 22, 2008 at 12:06 PM, Robert Kern <robert.kern@gmail.com> wrote:
> On Thu, May 22, 2008 at 1:52 PM, Lin Shao <shao@msg.ucsf.edu> wrote:
>> One more question. In scipy.fftpack, where isn't there a rfftn()
>> function (just as numpy.fft.fftpack does)?
> I presume because of the lack of support from the non-FFTPACK backends.

Did you mean "lack of support of real-to-complex FFT in fftw3"? I'm
pretty sure fftw3 has that support (see

Another question: Does the fftw3 wrap in scipy.fftpack support
multithread (and therefore multiple processor cores) by default?



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