Gfan does a lot more than compute the Groebner fan. My main use for it is computing tropical prevarieties. Anders Jensen keeps improving gfan, and in fact our interface to it doesn't wrap all the current functionality. I think it would be quite a job to replace it.
-Marshall On Oct 19, 11:53 am, Volker Braun <vbraun.n...@gmail.com> wrote: > gfan definitely depends on cddlib. > > Unless it is somehow broken I would keep sage.geometry.groebner_fan > and the gfan spkg for now. In the long term we should rewrite > sage.geometry.groebner_fan to work with the new Fan class from the > toric geometry stuff. And I think it would be easy enough to take > Singular's groebner fan code (which uses polymake internally) and > replace its use of cddlib and TOPCOM with Sage's Cone/Fan and > triangulation code. Then we wouldn't need gfan any more... -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org