CGAL 5.3 - CGAL and the Boost Graph Library
BGL_surface_mesh/write_inp.cpp
#include <CGAL/Simple_cartesian.h>
#include <CGAL/Surface_mesh.h>
#include <CGAL/boost/graph/io.h>
#include <iostream>
#include <fstream>
#include <boost/graph/connected_components.hpp>
typedef Kernel::Point_3 Point;
typedef boost::graph_traits<Mesh>::vertex_descriptor vertex_descriptor;
int main()
{
Mesh sm;
CGAL::make_quad(Point(0,0,0), Point(1,0,0),Point(1,1,0),Point(0,1,0), sm);
CGAL::make_quad(Point(0,0,1), Point(1,0,1),Point(1,1,1),Point(0,1,1), sm);
std::ofstream out("out.inp");
out.precision(17);
CGAL::IO::write_INP(out, "out.inp", "S4R", sm);
return EXIT_SUCCESS;
}