#12217: Finite field polynomials allow division by zero
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Reporter: johanbosman | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-4.8
Component: basic arithmetic | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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For prime finite fields, one gets a strange message:
{{{
sage: P.<x> = GF(5)[]
sage: x/5
Exception ZeroDivisionError: 'Inverse does not exist.' in
'sage.rings.fraction_field_FpT.normalize' ignored
1/0
}}}
And non-prime finite fields don't complain at all:
{{{
sage: P.<x> = GF(25,'a')[]
sage: x/5
x
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12217>
Sage <http://www.sagemath.org>
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