#11476: PartitionTuples.cardinality has problems
-----------------------------+----------------------------------------------
Reporter: pdehaye | Owner: sage-combinat
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.1
Component: combinatorics | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
-----------------------------+----------------------------------------------
It works for smaller values.
{{{
sage: PartitionTuples(100,13).cardinality()
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/Volumes/Scratch/Users/duser1/sage/<ipython console> in <module>()
/Users/duser1/sage/local/lib/python2.6/site-
packages/sage/combinat/partition.pyc in cardinality(self)
3183 185
3184 """
-> 3185 return ZZ(gp.eval('polcoeff(1/eta(x)^%s, %s, x)'%(self.k,
self.n)))
3186
3187
/Users/duser1/sage/local/lib/python2.6/site-
packages/sage/structure/parent.so in sage.structure.parent.Parent.__call__
(sage/structure/parent.c:6820)()
/Users/duser1/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/duser1/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/duser1/sage/local/lib/python2.6/site-packages/sage/rings/integer.so
in sage.rings.integer.Integer.__init__ (sage/rings/integer.c:7212)()
TypeError: unable to convert x (= *** at top-level:
polcoeff(1/eta(x)^13
*** ^--------------------
*** polcoeff: non existent component in truecoeff.) to an integer
sage:
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11476>
Sage <http://www.sagemath.org>
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