     return CGPoint(x:lhs.x / rhs, y:lhs.y / rhs)
 }
 
-// MARK: Arithmetic Assignment 
+// MARK: Arithmetic Assignment
 
 public func += (inout lhs:CGPoint, rhs:CGPoint) {
     lhs = lhs + rhs

    return CGPoint(x:-p.x, y:-p.y)
}

// MARK: Arithmetic

public func + (lhs:CGPoint, rhs:CGPoint) -> CGPoint {
    return CGPoint(x:lhs.x + rhs.x, y:lhs.y + rhs.y)
}


public func atan2(point:CGPoint) -> CGFloat {
    return atan2(point.y, point.x)
}

// MARK: Converting to/from tuples
