#17051: Strange bug in poset show()
-----------------------------+----------------------------
Reporter: jmantysalo | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.4
Component: combinatorics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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This seems to trigger some kind of error:
{{{
P1=Posets.ChainPoset(3)
P2=Posets.PentagonPoset().relabel(lambda x: x+10)
P=Poset( (P1.list()+P2.list(), P1.cover_relations()+P2.cover_relations())
)
P.show()
}}}
Error message is `ValueError: element (=2) not in poset`. If I change 2.
line to
{{{
P2=Posets.ChainPoset(5).relabel(lambda x: x+10)
}}}
error disappears.
--
Ticket URL: <http://trac.sagemath.org/ticket/17051>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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