#10065: removed bug and new methods in Poset
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Reporter: stumpc5 | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: minor | Milestone:
Component: combinatorics | Keywords: poset
Author: Christian Stump | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by stumpc5):
* cc: chapoton@… (added)
Comment:
Replying to [comment:2 chapoton]:
> * one doctest is failing (see the report of the build bot). This is
related to a deprecated use of size instead of cardinality, somewhere.
Maybe we should correct this deprecated use first.
I only updated the doctest - the size/cardinality is in generic_graph.py.
I am in the process to make changes to the is_isomorphic method in there
anyway. I will make this little change in that other patch.
> * it fails on Lattices
> {{{
> P=Posets.PentagonPoset()
> P.is_isomorphic(P)
> ValueError: The input is not a finite poset.
> }}}
>
> Maybe this can be corrected by having a method '''is_isomorphic''' for
Lattices which is inherited from Posets.
This was just a minor mistake in the is_isomorphic method for Posets. I
updated it.
> The doc of '''panyushev_orbits''' is badly formatted. It does not
display correctly in the notebook.
Done...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10065#comment:4>
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