It seems that the assumption (wrongly) thinks that x is integer: sage: assume(x>0) sage: sin(pi*x) 0 sage: cos(pi*x) (-1)^x
On Sunday, April 17, 2016 at 5:58:07 PM UTC+2, Eric Gourgoulhon wrote: > > Hi, > > In Sage 7.2.beta4: > > sage: assume(x>0) > sage: sin(pi*x) > 0 > > As far as I can tell, this bug has been introduced in Sage 7.2.beta0. > Maybe by ticket #20134 <http://trac.sagemath.org/ticket/20134> (upgrade > to pynac-0.6.4) ? > > Best wishes, > > Eric. > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
