[Numpy-discussion] Licensing question

Travis Oliphant travis@continuum...
Fri Aug 3 00:52:14 CDT 2012


This should be completely fine.    The fftpack.h file indicates that fftpack code came from Tela originally anyway and was translated from the Fortran code FFTPACK. 

Good luck with your project. 

-Travis


On Aug 2, 2012, at 3:44 PM, Damon McDougall wrote:

> Hi,
> 
> I have a question about the licence for NumPy's codebase. I am currently
> writing a library and I'd like to release under some BSD-type licence.
> Unfortunately, my choice to link against MIT's FFTW library (released
> under the GPL) means that, in its current state, this is not possible.
> I'm an avid NumPy user and thought to myself that, since NumPy's licence
> is BSD, I'd be able to use some of the source code (with due credit, of
> course) instead of FFTW. Is this possible? I mean, can I redistribute
> *PART* of NumPy's codebase? Namely, the fftpack.c file? I was under the
> impression that I could only redistribute BSD source code as a whole and
> then I read the licence more carefully and it states that I can modify
> the source to suit my needs. I consider 'redistributing a single file
> and ignoring the other files' as a 'modification' under the BSD
> definition, but maybe I'm thinking too wishfully here.
> 
> Any information on this matter would be greatly appreciated since I am a
> total code licence noob.
> 
> Thank you.
> 
> P.S. Yes, I know I could just release under the GPL, but I don't want to
> turn people off of packaging my work into a useful product licensed
> under BSD, or even make money from it.
> 
> -- 
> Damon McDougall
> http://damon-is-a-geek.com
> B2.39
> Mathematics Institute
> University of Warwick
> Coventry
> West Midlands
> CV4 7AL
> United Kingdom
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