On Wed, Mar 10, 2010 at 08:18:40PM +0000, David Loeffler wrote: > So it's a Pari bug. I see. I guess I was misled by the fact that the > "trace" command only reports calls to Python functions. Thanks for > clearing that up.
Thanks indeed! I feel better, though still curious why this involved computing a non trivial number of join of categories ... > On 10 March 2010 18:53, Robert Bradshaw <rober...@math.washington.edu> wrote: > > On Mar 10, 2010, at 10:36 AM, daveloeffler wrote: > > > >> PS: I've realised that one can trigger more or less the same bug by > >> doing > >> > >> sage: x = QQbar(-7).sqrt() > >> sage: y = QQbar(-7).sqrt() > >> sage: x == y > >> > >> so embeddings of number fields aren't the problem, there's something > >> amiss with QQbar. > > > > QQ(sqrt(-7)) is a popular number field, I ran into that bug last week. > > > > http://trac.sagemath.org/sage_trac/ticket/8415 > > > > The solution is to upgrade pari, but for the moment I hacked around this > > pari bug. Maybe I should clean that up and submit a patch if pari 2.3.5 > > isn't going to happen right away. > > > > - Robert > > > > > > -- > To post to this group, send an email to sage-devel@googlegroups.com > To unsubscribe from this group, send an email to > sage-devel+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/sage-devel > URL: http://www.sagemath.org Nicolas -- Nicolas M. Thiéry "Isil" <nthi...@users.sf.net> http://Nicolas.Thiery.name/ -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
