Merge topic 'fp-exceptions'

f883b5e0 Avoid divide by zero in rendering TriangleIntersections
ede77569 Allow for empty Z bounds in ResetToBounds
4c1514bb Fix divide by zero in CanvasRayTracer
83369ed9 Remove unused fields from Ortho2DRayGen
c1a790db Fix BIH split calculations for empty regions
9ce97352 Fix divide-by-zero in UnitTestCellInterpolate
e4ae3cee Avoid floating point exception in Orthonormalize
f74a2239 Break LUP factorization when invalid matrix found
...

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Matt Larsen <larsen30@llnl.gov>
Merge-request: !2527