Karim BELABAS on Mon, 10 Mar 2003 16:38:16 +0100 (MET)


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Re: qfbclassno 

On Sat, 8 Mar 2003, Igor Schein wrote:
> On Sat, Mar 08, 2003 at 04:17:28PM +0100, Karim BELABAS wrote:
> > some parameters). So, if someone wants to continue this thread, please
> > move it to pari-dev. I'm interested in bizarre behaviour of either
> > quadclassunit(D non-fundamental) or qfbclassno(D < 0).
>
> ? setrand(1642014180);quadclassunit(1642014180)
>   ***   sorry, buchxxx couldn't deal with this field PLEASE REPORT!.

Funny. It's an old bug (was already there in 2.0.16) related to handling of
large prime relations for real quadratic fields [ same form could be
initialized twice, in an inconsistent way ].

Fixed.

    Karim.
-- 
Karim Belabas                     Tel: (+33) (0)1 69 15 57 48
Dép. de Mathématiques, Bât. 425   Fax: (+33) (0)1 69 15 60 19
Université Paris-Sud              http://www.math.u-psud.fr/~belabas/
F-91405 Orsay (France)            http://www.parigp-home.de/  [PARI/GP]