#20338: Spec().an_element() is wrong when the coordinate ring is not Z
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Reporter: justin | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.2
Component: PLEASE CHANGE | Resolution:
Keywords: spec, coordinate ring | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
Replying to [comment:2 justin]:
> Is an_element() always supposed to return "0" in some guise?
Not at all. This method is intended to be used in testing suites (i.e.
when you perform `TestSuite(my_object).run()`). The less trivial the
answer is, the best it is.
> In any case, if the ring is "known", we can handle it (PID, UFD, domain,
...), no?
Sure. I was just proposing the laziest solution. You might even want to
implement a method `some_elements` that is also used in the test suites.
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Ticket URL: <http://trac.sagemath.org/ticket/20338#comment:3>
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