On Wed, 25 Mar 2009 19:56:08 -0700 (PDT) Alex Raichev <tortoise.s...@gmail.com> wrote:
> > I suppose the same issue applies to other common functions, such as > the sine function. <snip> > sage: sin(QQbar(2)) <boom> You're right, these are easier to fix then the __pow__ problem as well. One question we should answer before implementing this is, do we try to make sense of the argument before we make it a pynac symbolic expression and apply sin on it? I guess not, since we regard all these as purely symbolic expressions. But then we have the following: sage: from sage.symbolic.ring import NSR sage: t = NSR(Mod(2,7)) sage: sin(t) 0.90929742682568171 compare to: sage: sin(NSR(2)) sin(2) Should we return sin(2) in the first example as well? Should we raise an error instead? Cheers, Burcin --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
