X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgeometry%2Fintersection.h;fp=source%2Fgeometry%2Fintersection.h;h=24e668dc35a1924a70e1c3815fecbeac8147595e;hb=2826730b5d68d1ad74dc6363af43ca796f96caa2;hp=0e555b03f7086185076ca904512605b0ae204e08;hpb=99ad80a76d53d090ddf602c085d80b675609b8ba;p=libs%2Fmath.git

diff --git a/source/geometry/intersection.h b/source/geometry/intersection.h
index 0e555b0..24e668d 100644
--- a/source/geometry/intersection.h
+++ b/source/geometry/intersection.h
@@ -10,6 +10,7 @@ template<typename T, unsigned D>
 struct IntersectionOps
 {
 	static BoundingBox<T, D> combine_aabb(const BoundingBox<T, D> &a, const BoundingBox<T, D> &b) { return a&b; }
+	static Coverage combine_coverage(Coverage a, Coverage b) { return ((a==PARTIAL_COVERAGE && b==a) ? UNCERTAIN_COVERAGE : std::min(a, b)); }
 	static bool shortcircuit(bool c) { return !c; }
 };