CGAL::coplanar_side_of_bounded_circle

Bounded_side
coplanar_side_of_bounded_circle ( Point_3<Kernel> p,
Point_3<Kernel> q,
Point_3<Kernel> r,
Point_3<Kernel> s)
returns the bounded side of the circle defined by p, q, and r on which s lies.
Precondition: p, q, r, and s are coplanar and p, q, and r are not collinear.

See Also

CGAL::coplanar_orientation
CGAL::side_of_bounded_circle