CGAL::coplanar()

See also

CGAL::coplanar_orientation()

CGAL::coplanar_side_of_bounded_circle()

Functions
template<typename Kernel >
bool	CGAL::coplanar (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q, const CGAL::Point_3< Kernel > &r, const CGAL::Point_3< Kernel > &s)
	returns true, if p, q, r, and s are coplanar.