21 	Point &Point::operator+=(const Vector &v)  in operator +=()
30 	Point &Point::operator-=(const Vector &v)  in operator -=()
39 	Point operator+(const Point &P, const Vector &v)  in operator +()
41 		return Point(P.x + v.x, P.y + v.y, P.z + v.z);  in operator +()
44 	Point operator-(const Point &P, const Vector &v)  in operator -()
46 		return Point(P.x - v.x, P.y - v.y, P.z - v.z);  in operator -()
49 	Vector operator-(const Point &P, const Point &Q)  in operator -()
54 	Point operator*(const Matrix &M, const Point &P)  in operator *()
56 		return Point(M(1, 1) * P.x + M(1, 2) * P.y + M(1, 3) * P.z + M(1, 4),  in operator *()
61 	Point operator*(const Point &P, const Matrix &M)  in operator *()
63 		return Point(P.x * M(1, 1) + P.y * M(2, 1) + P.z * M(3, 1),  in operator *()
68 	Point &operator*=(Point &P, const Matrix &M)  in operator *=()
73 	float Point::d(const Point &P) const  in d()
78 	float Point::d2(const Point &P) const  in d2()
83 	float Point::d(const Point &P, const Point &Q)  in d()
88 	float Point::d2(const Point &P, const Point &Q)  in d2()