BGL_arrangement_2/arr_rational_nt.h

#ifndef CGAL_ARR_RATIONAL_NT_H
#define CGAL_ARR_RATIONAL_NT_H
 
#include <CGAL/basic.h>
 
#ifdef CGAL_USE_GMP
 
  // GMP is installed. Use the GMP rational number-type.
  #include <CGAL/Gmpq.h>
 
  typedef CGAL::Gmpq                                    Number_type;
 
#else
 
  // GMP is not installed. Use CGAL's exact rational number-type.
  #include <CGAL/MP_Float.h>
  #include <CGAL/Quotient.h>
 
  typedef CGAL::Quotient<CGAL::MP_Float>                Number_type;
 
#endif
 
#endif