예제 #1
0
Point2D foot(Point2D p, Point2D orig, Vector2D dire) {
	return orig - dire.norm2() * (1.0 / inner(p - orig, dire)) * dire;
}
예제 #2
0
// $\NormSquare{\OuterV {V_1}{V_2}}$
Vector2D outer_norm2(Vector2D v1, Vector2D v2) {
	return v1.norm2() * v2.norm2() - inner(v1, v2).norm2();
}