Minor changes to math module

-Fixed missing Set method: "X::Set(const X&)"
-Removed operator String


Former-commit-id: 690f161704ed85fc57a62b812af7933e390572b5

include/Nazara/Math/EulerAngles.inl

@@ -69,9 +69,7 @@ void NzEulerAngles<T>::Set(const T angles[3])
 template<typename T>
 void NzEulerAngles<T>::Set(const NzEulerAngles& angles)
 {
-	pitch = angles.pitch;
-	yaw = angles.yaw;
-	roll = angles.roll;
+	std::memcpy(this, &angles, sizeof(NzEulerAngles));
 }
 
 template<typename T>
@@ -107,12 +105,6 @@ NzString NzEulerAngles<T>::ToString() const
 	return ss << "EulerAngles(" << pitch << ", " << yaw << ", " << roll << ')';
 }
 
-template<typename T>
-NzEulerAngles<T>::operator NzString() const
-{
-	return ToString();
-}
-
 template<typename T>
 NzEulerAngles<T> NzEulerAngles<T>::operator+(const NzEulerAngles& angles) const
 {