Adding code x2

src/J3ML/LinearAlgebra/Vector2.cpp

@@ -1,11 +1,11 @@
 #include <J3ML/LinearAlgebra/Vector2.h>
+#include <cassert>
+#include <algorithm>
+#include <valarray>
 
 namespace LinearAlgebra {
 
 
-
-#pragma region vector2
-
 Vector2::Vector2(): x(0), y(0)
 {}
 
@@ -158,6 +158,7 @@ const Vector2 Vector2::Up    = {0, -1};
 const Vector2 Vector2::Down  = {0, 1};
 const Vector2 Vector2::Left  = {-1, 0};
 const Vector2 Vector2::Right = {1, 0};
+const Vector2 Vector2::NaN = {NAN, NAN};
 
     float Vector2::GetX() const { return x; }
 
@@ -171,5 +172,5 @@ const Vector2 Vector2::Right = {1, 0};
 
     float Vector2::Length(const Vector2 &of) { return of.Length(); }
 
-#pragma endregion
+
 }