#include <CGAL/Cartesian.h>
#include <CGAL/HalfedgeDS_vector.h>
#include <CGAL/Polyhedron_3.h>
#include <iostream>

typedef CGAL::Cartesian<double>                        Kernel;
typedef Kernel::Point_3                                Point_3;
typedef CGAL::Polyhedron_3< Kernel,
                            CGAL::Polyhedron_items_3,
                            CGAL::HalfedgeDS_vector>   Polyhedron;

int main() {
    Point_3 p( 1.0, 0.0, 0.0);
    Point_3 q( 0.0, 1.0, 0.0);
    Point_3 r( 0.0, 0.0, 1.0);
    Point_3 s( 0.0, 0.0, 0.0);

    Polyhedron P;    // alternative constructor: Polyhedron P(4,12,4);
    P.make_tetrahedron( p, q, r, s);
    CGAL::set_ascii_mode( std::cout);
    std::copy( P.points_begin(), P.points_end(),
	       std::ostream_iterator<Point_3>( std::cout, "\n"));
    return 0;
}