On Sun, Apr 12, 2009 at 8:45 AM, David Joyner <wdjoy...@gmail.com> wrote:
> > On Sat, Apr 11, 2009 at 11:25 PM, Stephen Hartke <har...@gmail.com> wrote: > > I have made an spkg for lp_solve and posted to sage-devel a message in > > September 2008 about including it into Sage. I did not receive any > positive > > responses. The spkg and a demo file domination.py can be downloaded at: > > http://www.math.unl.edu/~shartke2/files/<http://www.math.unl.edu/%7Eshartke2/files/> > > I missed that. Where is a readme or something what explains the basic > commands > with examples? > I did not create separate documentation since I think the lp_solve documentation of its Python interface is well done. The documentation can be found here: http://lpsolve.sourceforge.net/5.5/Python.htm The demo file domination.py shows how to use lp_solve along with Sage's graph classes to compute the domination number of a graph. > > Since lp_solve is licensed under GPLv2.1, it can be included in Sage. > Both > > COIN (under the CPL) and GPLK (under GPLv3) have license issues. If we > want > > Please explain these! > COIN is licensed under the Common Public License (CPL), which is deemed to be GPLv2 incompatible; see Wikipedia for a summary. http://en.wikipedia.org/wiki/Common_Public_License GPLK is an official GNU project and is licensed under GPLv3. The GPLv3 is incompatible with GPLv2-only licensed projects, which Sage mostly is. From my understanding of discussions on the mailing lists, Sage will not be incorporating GPLv3 projects. Besides lp_solve, I do not know of any other open source LP/IP packages that have a compatible license. Perhaps there are others that I am not aware of. Best wishes, Stephen --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
