double math::Distance(std::vector<Vertex> line, std::vector<Vertex> point) {
	
	double dist;
	double SQ_x = point[0].x - line[0].x;
	double SQ_y = point[0].y - line[0].y;
 
    double SQ_2 = SQ_x*SQ_x + SQ_y*SQ_y;

	double QS_x = SQ_x * line[1].x;
	double QS_y = SQ_y * line[1].y;

	double QSV_2 = QS_x * QS_x + QS_y * QS_y;

	double V_2 = line[1].x * line[1].x + line[1].y + line[1].y;

	dist = sqrt(SQ_2 - QSV_2/V_2);



	return dist;
}