[Scipy-tickets] [SciPy] #649: Blitz++ relicensed to BSD

SciPy scipy-tickets@scipy....
Sun Apr 20 03:38:01 CDT 2008

#649: Blitz++ relicensed to BSD
 Reporter:  jarrod.millman  |       Owner:  somebody
     Type:  task            |      Status:  new     
 Priority:  normal          |   Milestone:  0.7     
Component:  Other           |     Version:          
 Severity:  normal          |    Keywords:          
 Todd Veldhuizen <tveldhui AT gmail DOT com> Tue, Mar 25, 2008 at 11:55 AM
 To: Jarrod Millman <millman AT berkeley DOT edu>
 Cc: Julian Cummings <cummings AT cacr DOT caltech DOT edu>, Todd
 <tveldhui AT acm DOT org>

 I have no objections to releasing it under a BSD license.


 On 21/03/2008, Jarrod Millman <millman AT berkeley DOT edu> wrote:
 > Julian and Todd,
 >  I'm writing to see if we can get an exception to the Blitz license so
 >  that it can be released with a BSD license within SciPy.  Currently,
 >  the Fedora project is classifying the entire SciPy package as GPLed
 >  because one package, scipy.weave, uses blitz. (the rest of the code is
 >  all BSD).  We were about to launch into the re-factoring step to make
 >  the blitz portion optional, when it occurred to us to just ask you
 >  guys first. :-)
 >  Blitz is included in the scipy.weave package which allows you to
 >  inline C/C++ within Python.  Users have the option of converting NumPy
 >  arrays to blitz arrays for use in C++.  There is also a function
 >  (weave.blitz) that will automatically convert NumPy expressions in
 >  Python to Blitz expressions in C++.  Often this shows notable speed
 >  improvements.  Our re-factoring step will require us to split the
 >  blitz code into the blitz and non-blitz portions.  This is a bit of a
 >  pain, and ends up with more installation issues than if we didn't do
 >  it.
 >  Thanks for your consideration,
 >  --
 >  Jarrod Millman
 >  Computational Infrastructure for Research Labs
 >  10 Giannini Hall, UC Berkeley
 >  phone: 510.643.4014
 >  http://cirl.berkeley.edu/

Ticket URL: <http://scipy.org/scipy/scipy/ticket/649>
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