#15023: Branching rule A2->A1 never returns
------------------------------------+--------------------------------
Reporter: vbraun | Owner: bump
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.12
Component: combinatorics | Resolution:
Keywords: "branching rule" | Merged in:
Authors: Dan Bump | Reviewers: Travis Scrimshaw
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Changes (by {'newvalue': u'Dan Bump', 'oldvalue': u'bump'}):
* reviewer: => Travis Scrimshaw
* author: bump => Dan Bump
Old description:
> The following goes into an infinite loop and never returns:
> {{{
> sage: A2 = WeylCharacterRing('A2', style='coroots')
> sage: A1 = WeylCharacterRing('A1', style='coroots')
> sage: A2(1,0).branch(A1)
> }}}
New description:
The following goes into an infinite loop and never returns:
{{{
sage: A2 = WeylCharacterRing('A2', style='coroots')
sage: A1 = WeylCharacterRing('A1', style='coroots')
sage: A2(1,0).branch(A1)
}}}
----
Apply:
* [attachment:trac_15023_branch.patch]
* [attachment:trac_15023-review-ts.patch]
--
Comment:
Hey Dan,
Here's a review patch which removes the bare `except:` statements, does
some doc formatting (in preparation of #15042), and re-organizes the code
to make it easier to read (to me at least). If you're happy with my
changes, you can go ahead and set this to positive review.
--
Ticket URL: <http://trac.sagemath.org/ticket/15023#comment:8>
Sage <http://www.sagemath.org>
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