bubnikv 73f69f3387 Speed up of libigl SelfIntersectMesh:
The test for intersection of two triangles sharing a common edge
has been optimized to reject non-overlaping triangles with
the least amount of exact arithmetics predicates.

Cherry pick of
d367762468
2020-02-03 14:01:35 +01:00
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2020-02-03 14:01:35 +01:00