23 	struct Point  struct
25 		Point();
26 		Point(const int i);
27 		Point(const Point &P);
28 		Point(const Vector &v);
29 		Point(float Px, float Py, float Pz);
31 		Point &operator=(const Point &P);
51 		Point &operator+=(const Vector &v);
52 		Point &operator-=(const Vector &v);
54 		friend Point operator+(const Point &P, const Vector &v);
55 		friend Point operator-(const Point &P, const Vector &v);
57 		friend Vector operator-(const Point &P, const Point &Q);
59 		friend Point operator*(const Matrix &M, const Point& P);
60 		friend Point operator*(const Point &P, const Matrix &M);
61 		friend Point &operator*=(Point &P, const Matrix &M);
63 		float d(const Point &P) const;   // Distance between two points
64 		float d2(const Point &P) const;   // Squared distance between two points
66 		static float d(const Point &P, const Point &Q);   // Distance between two points
67 		static float d2(const Point &P, const Point &Q);   // Squared distance between two points
75 	inline Point::Point()  in Point()  function in sw::Point
79 	inline Point::Point(const int i)  in Point()  function in sw::Point
88 	inline Point::Point(const Point &P)  in Point()  function in sw::Point
95 	inline Point::Point(const Vector &v)  in Point()  function in sw::Point
102 	inline Point::Point(float P_x, float P_y, float P_z)  in Point()  function in sw::Point
109 	inline Point &Point::operator=(const Point &P)  in operator =()
118 	inline float &Point::operator()(int i)  in operator ()()
123 	inline float &Point::operator[](int i)  in operator []()
128 	inline const float &Point::operator()(int i) const  in operator ()()
133 	inline const float &Point::operator[](int i) const  in operator []()