Got vector unit tests compiling

Vector3D.hpp

@@ -2,43 +2,48 @@
 #define VECTOR3D_H_
 
 #include <cstdint>
-#include <cmath>
-#include <type_traits>
-
 #include "Matrix.hpp"
 
 template <typename Type>
 class V3D
 {
 public:
-    constexpr V3D(const Matrix<1, 3> &other);
-    constexpr V3D(const Matrix<3, 1> &other);
+    V3D(const Matrix<1, 3> &other);
+    V3D(const Matrix<3, 1> &other);
 
-    constexpr V3D(const V3D &other);
+    V3D(const V3D &other);
 
-    constexpr V3D(Type x = 0, Type y = 0, Type z = 0);
+    V3D(Type x = 0, Type y = 0, Type z = 0);
 
     template <typename OtherType>
-    constexpr V3D(const V3D<OtherType> other);
+    V3D(const V3D<OtherType> &other);
 
     std::array<Type, 3> ToArray();
 
-    V3D &operator=(const V3D &other);
+    V3D<Type> operator+(const V3D<Type> &other);
 
-    V3D &operator+=(const V3D &other);
+    V3D<Type> operator-(const V3D<Type> &other);
 
-    V3D &operator-=(const V3D &other);
+    V3D<Type> operator*(Type scalar);
 
-    V3D &operator/=(const Type scalar);
+    void operator=(const V3D<Type> &other);
 
-    V3D &operator*=(const Type scalar);
+    V3D<Type> &operator+=(const V3D<Type> &other);
 
-    bool operator==(const V3D &other);
+    V3D<Type> &operator-=(const V3D<Type> &other);
+
+    V3D<Type> &operator/=(Type scalar);
+
+    V3D<Type> &operator*=(Type scalar);
+
+    bool operator==(const V3D<Type> &other);
 
     float magnitude();
+
     Type x;
     Type y;
     Type z;
 };
 
+#include "Vector3D.cpp"
 #endif // VECTOR3D_H_