Jeroen Demeyer on Tue, 20 Nov 2018 11:24:04 +0100


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Re: Please test pari-2.11.1 prerelease 1 

This looks like a bug:

gp> rnf = rnfinit(nfinit(y^2 + 7), x);
gp> rnfeltreltoabs(rnf, x)
%2 = Mod(x, x^2 + 7)
In PARI-2.11.0, this returned Mod(0, x^2 + 7) which is the correct answer. It could also be that I'm misunderstanding something regarding the rnf functions... 

In any case, various tests in SageMath are failing because of this change.


Cheers,
Jeroen.