#14888: Make FiniteField_pari_ffelt the default for generic finite fields
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Reporter: pbruin | Owner: cpernet
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.13
Component: finite rings | Resolution:
Keywords: FiniteField | Merged in:
performance | Reviewers: Jean-Pierre Flori,
Authors: Peter Bruin | Jeroen Demeyer
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #12142, #15124, | Stopgaps:
#15125 |
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Comment (by pbruin):
Hmm, this is annoying. How often does it occur? I just ran doctests on
this file several dozens of times and did not get any failures. (System:
x86_64 with 5.11.beta3 and this patch applied, and several others which
probably shouldn't influence this.)
Do I understand correctly that there are no failures in the doctest
checking that the equation is `x^2 + (a)*y^2 + 2*z^2`? If so, then the
problem can hardly anywhere else than in the initialisation of
`C._coefficients`, i.e. (probably) when converting the coefficient of
`z^2` from Singular to PARI.
I did adapt the conversion function (formerly `si2sa_GFqPari`, now
`si2sa_GFq_generic`) in #12142; the changes seem harmless, but this
function does look like a possible culprit to me.
--
Ticket URL: <http://trac.sagemath.org/ticket/14888#comment:20>
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