#11579: Free module equality, comparisons
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Reporter: rbeezer | Owner: jason, was
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.2
Component: linear algebra | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by rbeezer):
One suggestion for a fix:
(a) make comparisons raise a !NotImplementedError for rings that are not
fields and not ZZ - though I have not checked to see how important an
ordering on free modules is.
(b) use a pair of calls to {{{.is_submodule()}}} to test equality.
I don't plan to pursue this one much further, but could review a fix.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11579#comment:1>
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