\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - 3D Boolean Operations on Nef Polyhedra

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Nef_3/comparison.cpp
#include <CGAL/Exact_integer.h>
#include <CGAL/Extended_homogeneous.h>
#include <CGAL/Nef_polyhedron_3.h>
typedef CGAL::Exact_integer NT;
typedef CGAL::Extended_homogeneous<NT> Kernel;
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;
}