On 08/05/15 11:00, Vincent Delecroix wrote: > On 08/05/15 10:52, Thierry Dumont wrote: >> Le 08/05/2015 10:23, Vincent Delecroix a écrit : >>> Bonjour Thierry, >>> >>> Could you post your matrices Prec, M, mfeEast? I am not able to >>> reproduce the problem with change_ring... >>> >>> Vincent >>> >> >> Hello Vincent. >> Yes, >> I join a part of my code, which reproduces the problem... > > Hello, > > It is not an infinite loop. The problem is that suddenly, the numbers > change their parent from AA (=Algebraic Real Field) to QQbar (=Algebraic > Field). I have to look more carefully in your code where this does happen.
It is because of cholesky! It uses F.algebraic_closure() where it should only use the part of the algebraic closure embedded in RR. I opened http://trac.sagemath.org/ticket/18381 for this issue. Vincent -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.