Just for reference, we might look at the following for geometric testing (or any equality testing with numbers). Not sure if it's different from what we do but it might be worth looking at:
http://www.cs.cmu.edu/~quake/robust.html Adaptive Precision Floating-Point Arithmetic and Fast Robust Predicates for Computational Geometry /c -- You received this message because you are subscribed to the Google Groups "sympy" group. To view this discussion on the web visit https://groups.google.com/d/msg/sympy/-/Jj-3mF0VFsIJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
