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

CGAL 4.8 - 3D Boolean Operations on Nef Polyhedra

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Nef_3/topological_operations.cpp
#include <CGAL/Exact_integer.h>
#include <CGAL/Homogeneous.h>
#include <CGAL/Nef_polyhedron_3.h>
#include <CGAL/IO/Nef_polyhedron_iostream_3.h>
typedef CGAL::Exact_integer NT;
typedef CGAL::Homogeneous<NT> Kernel;
typedef CGAL::Nef_polyhedron_3<Kernel> Nef_polyhedron;
int main() {
Nef_polyhedron N;
std::cin >> N;
CGAL_assertion((N - N.boundary()) == N.interior());
CGAL_assertion(N.closure() == N.complement().interior().complement());
CGAL_assertion(N.regularization() == N.interior().closure());
return 0;
}