X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgeometry%2FVector.h;h=7c698ff4af0a11d9b707cd0b51503142e016f475;hb=64c0880d31cddc599b30331f9485d65eeaf705ee;hp=bf647136ddfaa101ee8406b0f8fa36cdccf2a4b4;hpb=0542849dfccfec1ce1477265fa0fee2401a8fb23;p=l2e.git

diff --git a/src/geometry/Vector.h b/src/geometry/Vector.h
index bf64713..7c698ff 100644
--- a/src/geometry/Vector.h
+++ b/src/geometry/Vector.h
@@ -37,21 +37,37 @@ template<class T>
 inline Vector<T> operator +(const Vector<T> &lhs, const Vector<T> &rhs) {
 	return Vector<T>(lhs.X() + rhs.X(), lhs.Y() + rhs.Y());
 }
+template<class T, class U>
+inline Vector<T> operator +(const Vector<T> &lhs, const Vector<U> &rhs) {
+	return Vector<T>(lhs.X() + rhs.X(), lhs.Y() + rhs.Y());
+}
 
 template<class T>
 inline Vector<T> &operator +=(Vector<T> &lhs, const Vector<T> &rhs) {
 	return lhs = lhs + rhs;
 }
+template<class T, class U>
+inline Vector<T> &operator +=(Vector<T> &lhs, const Vector<U> &rhs) {
+	return lhs = lhs + rhs;
+}
 
 template<class T>
 inline Vector<T> operator -(const Vector<T> &lhs, const Vector<T> &rhs) {
 	return Vector<T>(lhs.X() - rhs.X(), lhs.Y() - rhs.Y());
 }
+template<class T, class U>
+inline Vector<T> operator -(const Vector<T> &lhs, const Vector<U> &rhs) {
+	return Vector<T>(lhs.X() - rhs.X(), lhs.Y() - rhs.Y());
+}
 
 template<class T>
 inline Vector<T> &operator -=(Vector<T> &lhs, const Vector<T> &rhs) {
 	return lhs = lhs - rhs;
 }
+template<class T, class U>
+inline Vector<T> &operator -=(Vector<T> &lhs, const Vector<U> &rhs) {
+	return lhs = lhs - rhs;
+}
 
 template<class T>
 inline Vector<T> operator -(const Vector<T> &v) {
@@ -72,6 +88,16 @@ inline Vector<T> operator /(const Vector<T> &v, T s) {
 	return Vector<T>(v.X() / s, v.Y() / s);
 }
 
+template<class T>
+inline bool operator ==(const Vector<T> &lhs, const Vector<T> &rhs) {
+	return lhs.X() == rhs.X() && lhs.Y() == rhs.Y();
+}
+
+template<class T>
+inline bool operator !=(const Vector<T> &lhs, const Vector<T> &rhs) {
+	return lhs.X() != rhs.X() || lhs.Y() != rhs.Y();
+}
+
 template<class T>
 inline std::ostream &operator <<(std::ostream &out, const Vector<T> &v) {
 	out << '<' << v.X() << ", " << v.Y() << '>';