added a 2x2 vector determinant for convenience

2013-08-10 20:57:04 +02:00 · 2013-08-10 20:57:04 +02:00 · d51e2e521b
parent 1486f2fda7
commit d51e2e521b
1 changed files with 4 additions and 0 deletions
--- a/include/mitsuba/core/vector.h
+++ b/include/mitsuba/core/vector.h
@ -405,6 +405,10 @@ template <typename T> inline T absDot(const TVector2<T> &v1, const TVector2<T> &
 	return std::abs(dot(v1, v2));
 }

+template <typename T> inline T det(const TVector2<T> &v1, const TVector2<T> &v2) {
+	return v1.x * v2.y - v1.y * v2.x;
+}
+
 template <typename T> inline TVector2<T> normalize(const TVector2<T> &v) {
 	return v / v.length();
 }