#15192: add is_unit() for residue fields
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Reporter: saraedum | Owner:
Type: enhancement | Status: needs_review
Priority: trivial | Milestone: sage-6.0
Component: categories | Resolution:
Keywords: | Merged in:
Authors: Julian Rueth | Reviewers:
Report Upstream: N/A | Work issues:
Branch: u/saraedum/ticket/15192 | Commit:
Dependencies: | Stopgaps:
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Comment (by pbruin):
I think there is a more fundamental problem: in your example,
{{{
sage: isinstance(a, FieldElement)
False
}}}
The class `FieldElement` does have an `is_unit()` method that does the
right thing, but evidently it is not used because of this.
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Ticket URL: <http://trac.sagemath.org/ticket/15192#comment:4>
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