#6391: libGAP! -- create a Cython library interface to gap
-----------------------------------------------+----------------------------
Reporter: was | Owner: was
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.7
Component: interfaces | Keywords:
Author: dimpase, iandrus, vbraun, was | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by iandrus):
Assuming you do not have the GAP small group database installed, then
running
{{{
sage: import sage.libs.gap.gap as g
sage: g.libgap('SmallGroup(12,3)')
---------------------------------------------------------------------------
ValueError Traceback (most recent call
last)
/Users/gvol/SageStuff/gap-4.4.12.p7/src/<ipython console> in <module>()
/Users/gvol/vcs/cur-sage/local/lib/python2.6/site-
packages/sage/structure/parent.so in sage.structure.parent.Parent.__call__
(sage/structure/parent.c:6816)()
/Users/gvol/vcs/cur-sage/local/lib/python2.6/site-
packages/sage/structure/coerce_maps.so in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(sage/structure/coerce_maps.c:3254)()
/Users/gvol/vcs/cur-sage/local/lib/python2.6/site-
packages/sage/structure/coerce_maps.so in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(sage/structure/coerce_maps.c:3157)()
/Users/gvol/vcs/cur-sage/local/lib/python2.6/site-
packages/sage/libs/gap/gap.so in
sage.libs.gap.gap.Gap._element_constructor_ (sage/libs/gap/gap.c:7237)()
/Users/gvol/vcs/cur-sage/local/lib/python2.6/site-
packages/sage/libs/gap/gap.so in sage.libs.gap.gap.libgap_eval
(sage/libs/gap/gap.c:3005)()
ValueError: Gap: Aborted
}}}
The error message could be a bit more helpful, but when runnning under
`sage --valgrind` it leads to a segfault.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6391#comment:51>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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