Re: two bugs

[Igor Schein <igor@txc.com>]

On Fri, Mar 19, 1999 at 02:41:29PM -0600, Paul van Wamelen wrote:
> Dear all,
> 
> ? bnfinit(x^2-5)
>   ***   sorry, buchxxx couldn't deal with this field PLEASE REPORT!.

This was fixed with one of Karim's post-release patches.  Check this
out:

http://hasse.mathematik.tu-muenchen.de/ntsw/pari/lists/199903/08aad

> 
> and
> 
> ? quadclassunit(12,1)
> %5 = [1, [], [], 1.316957896924816708625046347, 0.9998332031401355908528660870]
> ? bnfnarrow(bnfinit(x^2-12))
> %6 = [2, [2], [[3, 0; 0, 1]]]
> ?
> These are both supposed to find the narrow class group of the quadratic field  
> with discriminant 12. I believe the second one is correct.
> 
> Be good!
> Paul.

I agree with your belief:

? length(idealprimedec(nfinit(x^12-12),5))
3

Looks like this has been broken ever since 2.0.11, possible even
earlier. 

Igor