#19567: Using elements of universal cyclotomic field and symbolic ring silently
produces garbage
-------------------------------------+-------------------------------------
Reporter: switzel | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-
Component: number fields | duplicate/invalid/wontfix
Keywords: cyclotomic field, | Resolution:
symbolic ring | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by slelievre):
* status: new => needs_review
* cc: chapoton, slelievre, stumpc5, vdelecroix (added)
* milestone: sage-6.10 => sage-duplicate/invalid/wontfix
Old description:
> {{{
> sage: UCF = UniversalCyclotomicField()
> sage: UCF(1)*SR(1)
> 0
> sage: UCF(1)+SR(1)
> 1
> }}}
> Clearly the first one should be 1 in some ring or raise an exception.
> Similarly the second should be 2 in some ring or raise an exception.
New description:
{{{
sage: UCF = UniversalCyclotomicField()
sage: UCF(1)*SR(1)
0
sage: UCF(1)+SR(1)
1
}}}
Clearly the first one should be 1 in some ring or raise an exception.
Similarly the second should be 2 in some ring or raise an exception.
This seems to have been fixed by #19912.
--
Comment:
Apparently fixed at #19912 by exactly the fix suggested in
[[http://trac.sagemath.org/ticket/19567#comment:1|comment 1]] above.
--
Ticket URL: <http://trac.sagemath.org/ticket/19567#comment:2>
Sage <http://www.sagemath.org>
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