#11257: Avoid a coercion when computing an element to the power of 0
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Reporter: nborie | Owner: nborie
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7.1
Component: performance | Keywords: coercion, element, power, zero
Work_issues: | Upstream: N/A
Reviewer: | Author: Nicolas Borie
Merged: | Dependencies:
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Comment(by SimonKing):
Replying to [comment:9 nthiery]:
> Oops, this is going far beyond what I expected! I just meant to add
> TestSuite, and skip tests not related to zero / one. Now, this is not
> wasted time, so thanks! One should just be careful that this does not
> overlap with changes by Simon.
I don't have the time to verify whether there is an overlap. But: ''If''
there is an overlap then it is with #9944 or #9138. These two tickets try
to make all rings use the category framework properly, and in some cases
it also provides them with the new coercion model.
If what you do is about something else but rings, then it is very likely
that there is no overlap.
Best regards,
Simon
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11257#comment:13>
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