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["K.M" <>]

Hi Efi,

> p.x() and p.y() return the Cartesian /x/-coordinate and the Cartesian  
> y-coordinate of a point p respectively.
> p.hx(), p.hy(), and p.hw() return the homogeneous /x/-coordinate, the 
> homogeneous y-coordinate, and the homogenizing coordinate respectively. //

Thanks for reply.
As you suggested, hx()/hy() function works. But its output is hx/hw format
even on x()/y() function like -1/1, 5/4 shown below. 
There is example code and result.

I would like to get x/y coordinate with integer or double type variable.
Let me know any suggestion.

=== Example Code ===
#include "bso_rational_nt.h"
#include <CGAL/Cartesian.h>
#include <CGAL/Boolean_set_operations_2.h>
struct Kernel : public CGAL::Cartesian<Number_type> {};

typedef Kernel::Point_2                                 Point_2;

int main ()
{
  Point_2 A(-1, 1.25);
  std::cout << "A = (" << A.hx() << ":" << A.hy() << ")" << std::endl;

  return 0;
}

== Result ==
A = (-1/1:5/4)

Kenji