#15303: Coercion discovery fails to be transitive
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Reporter: nbruin | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-5.13
Component: coercion | Resolution:
Keywords: | Merged in:
Authors: Simon King | Reviewers:
Report Upstream: N/A | Work issues: analyse recursion
Branch: | error
u/SimonKing/ticket/15303 | Commit:
Dependencies: #14711 | f837cbee8f81c4946a92193c73e86449c53515d9
| Stopgaps:
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Changes (by SimonKing):
* status: needs_review => needs_work
* work_issues: => analyse recursion error
Comment:
The following runs into an infinite loop:
{{{
sage: CF = CyclotomicField(5)
sage: UCF.<E> = UniversalCyclotomicField()
sage: CF = CyclotomicField(5,embedding=CC(exp(4*pi*i/5)))
sage: x = E(5)
sage: CC(x)
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15303#comment:17>
Sage <http://www.sagemath.org>
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