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["Vu, Khuong" <>]

Hello all,

I'm trying to construct a segment VD. However, the compiler threw a bunch of 
errors that I'm sure that non-readable by human :) ! Below is my code. I 
would appreciate if you guys can give me some advices.

All the best,
Khuong

==========================================================
#include <CGAL/basic.h>

// standard includes
#include <iostream>
#include <fstream>
#include <cassert>

// define the kernels
#include <CGAL/Simple_cartesian.h>

typedef CGAL::Simple_cartesian<double>     CK;
typedef CGAL::Simple_cartesian<ENT>        EK;

// typedefs for the traits and the algorithm
#include <CGAL/Segment_Delaunay_graph_filtered_traits_2.h>
#include <CGAL/Segment_Delaunay_graph_2.h>
#include <CGAL/Voronoi_diagram_2.h>
#include <CGAL/Segment_Delaunay_graph_adaptation_traits_2.h>
#include <CGAL/Segment_Delaunay_graph_traits_2.h>
#include <CGAL/Segment_Delaunay_graph_adaptation_policies_2.h>

typedef CGAL::Segment_Delaunay_graph_traits_2<CK, CGAL::Field_with_sqrt_tag> 
Gt;
typedef CGAL::Segment_Delaunay_graph_2<Gt>             SDG2;
typedef CGAL::Segment_Delaunay_graph_degeneracy_removal_policy_2<SDG2> AP;
typedef CGAL::Segment_Delaunay_graph_adaptation_traits_2<SDG2>                
 AT;
typedef CGAL::Voronoi_diagram_2<SDG2, AP, AT> VD;

typedef AT::Site_2                                      Site_2;

using namespace std;

int main() {
  ifstream ifs("data/sitesx.cin");
  assert( ifs );

 Site_2 site;
 VD vd;

 while ( ifs >> site ) { vd.insert( site ); }

  ifs.close();

  assert( vd.is_valid() );
  cout << endl << endl;

  return 0;
}