Simplify rectangular lattice crossing and correctly handle corner checks#3703

Merged

GuySten merged 4 commits intoopenmc-dev:developfrom

GuySten:simplify-lattice-crossing

Jan 6, 2026

Commits on Jan 1, 2026

simplify and fix RectLattice distance calculation
GuySten
committed

Commits on Jan 5, 2026

add guards against divide by zero
GuySten
committed

Commits on Jan 6, 2026