Status: Accepted Owner: smi...@gmail.com Labels: Type-Defect Priority-Medium
New issue 2322 by smi...@gmail.com: is_real problems with (pi/log(real)) http://code.google.com/p/sympy/issues/detail?id=2322 Both the old and new assumption system have problems with this: h[1] >>> var('r', real=True) r h[2] >>> (pi/log(r)).is_real # this is wrong True h[3] >>> (pi/log(r)).subs(r,-2).is_real # this is wrong True h[3] >>> (pi/log(r)).subs(r,-2).n().is_real False h[4] >>> ask(pi/log(r), Q.real) h[4] >>> ask((pi/log(r)).subs(r,-2), Q.real) # this is wrong True h[4] >>> ask((pi/log(r)).subs(r,-2).n(), Q.real) False -- You received this message because you are subscribed to the Google Groups "sympy-issues" group. To post to this group, send email to sympy-issues@googlegroups.com. To unsubscribe from this group, send email to sympy-issues+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy-issues?hl=en.