#ifndef POINTH
#define POINTH

#include "offset.h"
struct line;	//line.h includes point.h

struct point {
	double x;
	double y;

	point(double x, double y): x(x), y(y) {}
	point(const line& l1, const line& l2) throw (int);

	point& operator+=(const offset& off) {
		x += off.dx;
		y += off.dy;
		return *this;
	}
};

inline point operator+(point p, const offset& off) {return p += off;}
inline point operator+(const offset& off, point p) {return p += off;}
#endif