#20172: Matroid Basis Axiom Test has a bug
-------------------------------------+-------------------------------------
Reporter: Stefan | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-7.1
Component: matroid theory | Resolution:
Keywords: matroids, | Merged in:
BasisExchangeMatroid, | Reviewers: Travis Scrimshaw
BasisMatroid, axiom, is_valid | Work issues:
Authors: Stefan van Zwam | Commit:
Report Upstream: N/A | d8345de20431a274d1f1fa0451d29f0a83230e2a
Branch: | Stopgaps:
u/Stefan/matroid_basis_axiom_test_has_a_bug|
Dependencies: |
-------------------------------------+-------------------------------------
Changes (by {'newvalue': u'Stefan van Zwam', 'oldvalue': u'Stefan'}):
* reviewer: => Travis Scrimshaw
* author: Stefan => Stefan van Zwam
Comment:
LGTM modulo:
{{{#!diff
-
+
TESTS:
-
- Verify that Trac #20172 was fixed::
-
- sage: sage:
M=Matroid(groundset='1234',bases=['12','13','23','34'])
+
+ Verify that :trac:`20172` was fixed::
+
+ sage: M = Matroid(groundset='1234', bases=['12', '13', '23',
'34'])
sage: M.is_valid()
False
}}}
(note the trailing whitespace).
--
Ticket URL: <http://trac.sagemath.org/ticket/20172#comment:4>
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