[Numpy-discussion] strange runtimes of numpy fft

[Henry Gomersall]

On 19/11/13 16:08, Stéfan van der Walt wrote:
> On Tue, Nov 19, 2013 at 6:03 PM, Henry Gomersall<heng at cantab.net>  wrote:
>> >However, FFTW is dual licensed GPL/commercial and so the wrappers are
>> >also GPL by necessity.
> I'm not sure if that is true, strictly speaking--you may license your
> wrapper code under any license you wish.  It's just that it becomes
> confusing when the combined work then has to be released under GPL.

This is on shaky GPL ground. I'm inclined to agree with you, but given 
any usage necessarily has to link against the FFTW libs, any resultant 
redistribution is going to be GPL by necessity. I.e. pyFFTW is useless 
without FFTW so it's just simpler to make it GPL for the time being.

Cheers,

Henry