int main( ) { CDT cdt; std::cout << "Inserting a grid of 5x5 constraints " << std::endl; for (int i = 1; i < 6; ++i) cdt.insert_constraint( Point(0,i), Point(6,i)); for (int j = 1; j < 6; ++j) cdt.insert_constraint( Point(j,0), Point(j,6)); assert(cdt.is_valid()); int count = 0; for (CDT::Finite_edges_iterator eit = cdt.finite_edges_begin(); eit != cdt.finite_edges_end(); ++eit) if (cdt.is_constrained(*eit)) ++count; std::cout << "The number of resulting constrained edges is "; std::cout << count << std::endl; return 0; }