Bill Allombert on Sat, 03 Oct 2020 16:07:54 +0200


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Re: quadunit again 

On Fri, Oct 02, 2020 at 02:43:37PM +0000, Michael Hortmann wrote:
> I should have looked at Henri Cohen's book on Computational Algebraic
> Number Theory first:
> The algorithm in "Chapter 5 Algorithms for Quadratic Fields, §5.7
> Computation of the Fundamental Unit" probably answers my question.
> 
> Still it might be interesting to know a priori which algorithms are used in
> the Pari functions. But of course that could vary from version to version
> ...
> So how would I have to proceed to gain that knowledge?

You can start by reading 
<https://pari.math.u-bordeaux.fr/dochtml/GTM138>
<https://pari.math.u-bordeaux.fr/dochtml/GTM193>
which is linked from
<https://pari.math.u-bordeaux.fr/tutorials.html>

Cheers,
Bill.