#11685: Pari finite field extension: element created by list not recognised as
zero
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Reporter: johanbosman | Owner: AlexGhitza
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7.2
Component: algebra | Keywords: finite fields, pari
Work_issues: | Upstream: N/A
Reviewer: Simon King, Johan Bosman | Author: Johan Bosman, Jeroen
Demeyer
Merged: | Dependencies:
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Changes (by jdemeyer):
* status: needs_work => needs_review
Comment:
Replying to [comment:23 SimonKing]:
> I mean, the only problem with
`k([k([0])._FiniteField_ext_pariElement__value])` in your patch is the
fact that the pari value (which, after all, is zero) can not be converted
into the zero of a finite field.
This is not true, because this problem is not specific to zero. The
problem really is that conversion of PARI finite field elements to `ZZ`
fails. I rewrote the PARI -> ZZ conversion to fix this (the old code used
strings(!) for the conversion)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11685#comment:24>
Sage <http://www.sagemath.org>
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