#15384: Improvements to root systems
-------------------------------------+-------------------------------------
Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.3
Component: combinatorics | Resolution:
Keywords: root systems, | Merged in:
days54 | Reviewers: Dan Bump
Authors: Travis Scrimshaw | Work issues:
Report Upstream: N/A | Commit:
Branch: | eab1afea3f8f66c65802d2a7362928d65b47ea77
public/combinat/root_systems/improvements-15384| Stopgaps:
Dependencies: |
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Comment (by bump):
All tests passed!
The following breaks:
[RootSystem(['A',2,2]).root_lattice().positive_roots().unrank(x) for x in
[0..10]]
It works for untwisted types. Is this a limitation of the patch or an
unexpected failure?
If it is a limitation of the patch maybe it should be noted in the patch
description. Also it
might be better to fail with a not implemented error than with:
{{{
TypeError: unsupported operand type(s) for //:
'RootSpace_with_category.element_class' and 'int'
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/15384#comment:25>
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