#12993: Bug in computing the rank function a poset
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Reporter: saliola | Owner:
sage-combinat
Type: defect | Status:
needs_review
Priority: major | Milestone: sage-5.1
Component: combinatorics | Resolution:
Keywords: poset, combinat | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Darij Grinberg, Anne Schilling | Merged in:
Dependencies: | Stopgaps:
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Comment (by saliola):
Here is a review patch. Apply on top of Christian's review patch (which
goes on top of Anne's).
It looks at each edge exactly twice.
I also updated the documentation for Poset.rank_function.
Christian: I see you didn't run the doctests. I had to fix your attempt at
using rank_function for plotting.
Also, there is a pickling error that got introduced by your patch in
posets.py, but I can't replicated it from within Sage. I don't have time
to debug this now, so go ahead and try to sort it out.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12993#comment:12>
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