Implement more methods

src/J3ML/LinearAlgebra/Vector2.cpp

@@ -22,7 +22,6 @@ namespace LinearAlgebra {
         if (index == 1) return y;
         return 0;
     }
-
     bool Vector2::IsWithinMarginOfError(const Vector2& rhs, float margin) const
     {
         return this->Distance(rhs) <= margin;
@@ -247,5 +246,11 @@ namespace LinearAlgebra {
         return {this->x*v.x, this->y*v.y};
     }
 
+    bool Vector2::IsFinite() const {
+        return std::isfinite(x) && std::isfinite(y);
+    }
 
+    Vector2 Vector2::Div(const Vector2 &v) const {
+        return {this->x/v.x, this->y/v.y};
+    }
 }