#11395: Upgrade Gfan to latest release (version 0.5)
---------------------------+------------------------------------------------
Reporter: mhampton | Owner: tbd
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.7.1
Component: packages | Keywords: tropical geometry
Work_issues: | Upstream: N/A
Reviewer: | Author: Marshall Hampton
Merged: | Dependencies:
---------------------------+------------------------------------------------
Comment(by fbissey):
I had kind of started work on that. I am starting to hate when sage-on-
gentoo is too much ahead and it breaks tests in non trivial ways. Most of
the tests mentioned by Christopher are broken by trivial changes of
formatting or ordering. But that one I think needs careful checking:
{{{
**********************************************************************
File "/usr/share/sage/devel/sage-
main/sage/rings/polynomial/groebner_fan.py", line 606:
sage: g.weight_vectors()
Expected:
[(3, 7, 1), (5, 1, 2), (7, 1, 4), (1, 1, 4), (1, 1, 1), (1, 4, 1), (1,
4, 10)]
Got:
[(3, 7, 1), (5, 1, 2), (7, 1, 4), (5, 1, 4), (1, 1, 1), (1, 4, 8), (1,
4, 10)]
**********************************************************************
}}}
It is not obvious that the two answers are equivalent, I was going to
submit it to the opinion of sage-devel on Monday.
On another note, do you know what this section of the Makefile is all
about
{{{
ifeq ($(sagepath),)
SAGE_LINKOPTIONS =
SAGE_INCLUDEOPTIONS =
else
SAGE_LINKOPTIONS = -L$(sagepath)/ -lpython2.6 -lcsage -lsingular
SAGE_INCLUDEOPTIONS = -I $(sagepath)/
SAGE_OBJECTS = sage.o sage_link.so
sage_link.so: sage_link.pyx setup.py
python setup.py build_ext --inplace --pyrex-include-
dirs=$(SAGE_ROOT)/devel/sage/
endif
}}}
It is not build by default and the cython source is missing (the resulting
.cpp is present) but it looks like someone is looking at producing their
own sage-extension.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11395#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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