Thanks for the report, David.  This is now trac #5136:

http://trac.sagemath.org/sage_trac/ticket/5136


On Fri, Jan 30, 2009 at 8:16 PM, daveloeffler <dave.loeff...@gmail.com>wrote:

>
> Upgrading from 3.3.alpha2, it all downloads and builds fine, but the
> fix for the fractional ideals in relative number fields problem seems
> to have introduced a new bug:
>
> sage: K.<a> = QuadraticField(-23)
> sage: L.<b> = K.extension(x^3 - x - 1)
> sage: OL = L.ring_of_integers()
>
> It seems to get stuck in an infinite loop; it's just sitting there
> consuming 98.5% of my CPU, and resisting all attempts to stop it with
> Ctrl-C. All I can do is kill the entire Sage process.
>
> I'm not sure one could actually do much with rings of integers in
> relative extensions before this -- e.g. membership testing has been
> broken for a while (#4193) -- but at least one could create them.
>
> David
> >
>


-- 
Alex Ghitza -- Lecturer in Mathematics -- The University of Melbourne --
Australia -- 
http://www.ms.unimelb.edu.au/~aghitza/<http://www.ms.unimelb.edu.au/%7Eaghitza/>

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