CGAL 5.1.3 - 3D Boolean Operations on Nef Polyhedra
Nef_3/comparison.cpp
#include <CGAL/Extended_homogeneous.h>
#include <CGAL/Nef_polyhedron_3.h>
typedef CGAL::Nef_polyhedron_3<Kernel> Nef_polyhedron;
//typedef Nef_polyhedron::Plane_3 Plane_3;
typedef Kernel::Plane_3 Plane_3;
int main() {
Nef_polyhedron N1(Plane_3(2,5,7,11), Nef_polyhedron::INCLUDED);
Nef_polyhedron N2(Plane_3(2,5,7,11), Nef_polyhedron::EXCLUDED);
CGAL_assertion(N1 >= N2);
CGAL_assertion(N2 <= N1);
CGAL_assertion(N1 != N2);
CGAL_assertion(N1 > N2);
CGAL_assertion(N2 < N1);
N2 = N2.closure();
CGAL_assertion(N1==N2);
CGAL_assertion(N1>=N2);
CGAL_assertion(N1<=N2);
return 0;
}