On Friday, 1 September 2017 03:16:45 UTC-6, Carlo Verschoor wrote: > > Hello, I had this problem with plotting fans in Sage 8.0 which still works > in Sage 7.6. The problem breaks down to the following piece of code: > > cones = [Cone([(0,1),(1,0)]),Cone([(-2,-1),(-1,-3)]),Cone([(0,1),(-2,-1 > )]),Cone([(-1,-3),(1,0)])] > F = Fan(cones) > F.plot() > > I get an "unable to simplify to float approximation" error. So looking > at geometry/toric_plotter.py and plot/disk.py, one of the calculations it > could boil down to is: > > float(arctan2(RDF(-3),RDF(-1))) > > Here the same error occurs. Due to the RDF ring, the function arctan2 now > returns a good value with a small imaginary part such that it cannot be > floated. > > Hopefully, this issue can be resolved in some way. > > Carlo Verschoor. >
Thank you for reporting and diagnosing, this is now https://trac.sagemath.org/ticket/23776 which I am going to fix over weekend unless someone does it faster! -- 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.
