#16540: Regression in Pari finite field interface
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Reporter: defeo | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.3
Component: finite rings | Resolution:
Keywords: finite_field regression pari | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by pbruin):
PARI's `FF_pow` requires the exponent to be a `t_INT`, but does not check
the type, and `FiniteFieldElement_pari_ffelt.__pow__()` does not enforce
this either. (Actually it also assumes the exponent to be an integer,
since it checks if it is negative.) We could simply convert the exponent
into an `Integer`; the only drawback is that we would have to do a
separate check for `IntegerMod` with an incorrect modulus if we want to
raise a `ValueError` in that case.
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Ticket URL: <http://trac.sagemath.org/ticket/16540#comment:3>
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