#13612: padic elements can not be initialized from residue field
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Reporter: saraedum | Owner: roed
Type: defect | Status: needs_review
Priority: minor | Milestone: sage-6.3
Component: padics | Resolution:
Keywords: sd59 | Merged in:
Authors: Julian Rueth | Reviewers:
Report Upstream: N/A | Work issues:
Branch: u/saraedum/ticket/13612 | Dependencies:
Stopgaps: |
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Changes (by saraedum):
* keywords: => sd59
* status: new => needs_review
Old description:
> In some cases a padic element can not be initialized from the zero of the
> residue field:
>
> {{{
> sage: K=Qp(3)
> sage: R.<a> = K[]
> sage: L.<a> = K.extension(a^2+1)
> sage: L(L.residue_field().one())
> 1 + O(3)
> sage: L(L.residue_field().zero())
> TypeError: cannot convert x to a p-adic element
> }}}
>
> The attached patch fixes this issue.
New description:
In some cases a padic element can not be initialized from the zero of the
residue field.
{{{
sage: K=Qp(3)
sage: R.<a> = K[]
sage: L.<a> = K.extension(a^2+1)
sage: L(L.residue_field().one())
1 + O(3)
sage: L(L.residue_field().zero())
TypeError: cannot convert x to a p-adic element
}}}
The attached patch fixes this issue.
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Ticket URL: <http://trac.sagemath.org/ticket/13612#comment:6>
Sage <http://www.sagemath.org>
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