samfoster7548e1c4a1Added new empty concept to sphere with a negative radius. Modified containment / intersection functions to honor isEmpty and return false in this case
7548e1c4a1
Added new empty concept to sphere with a negative radius. Modified containment / intersection functions to honor isEmpty and return false in this case
7548e1c4a1
Added new empty concept to sphere with a negative radius. Modified containment / intersection functions to honor isEmpty and return false in this case