#14146: Warn when creating number fields with non-monic-integral polynomials
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Reporter: Bouillaguet | Owner: davidloeffler
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.8
Component: number fields | Resolution:
Keywords: pari | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Changes (by jdemeyer):
* status: positive_review => needs_work
* priority: major => minor
* milestone: sage-duplicate/invalid/wontfix => sage-5.8
* type: defect => enhancement
Old description:
> These bugs have been reported by Adrien Poteaux.
>
> Incriminated snippet :
> {{{
> sage: K.<a>=QQ.extension(x^2 - 2)
> sage: L.<b>=K.extension(3*x^2 + 1)
> sage: b # boom
> -----------------------------
> Traceback (most recent call last)
> ...
> PariError: (7)
> }}}
>
> And an interesting variation:
> {{{
> sage: K.<a>=QQ.extension(x^2 - 2)
> sage: L.<b>=K.extension(x^2 + 1/3)
> sage: b # boom
> -----------------------------
> Traceback (most recent call last)
> ...
> PariError: incorrect type (11)
> }}}
>
> The problem seems to actually stem from:
> {{{
> sage: L.pari_rnf() # boom
> }}}
New description:
Add warnings for the problem at #252.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14146#comment:5>
Sage <http://www.sagemath.org>
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