cgal/Old_Packages/_2/include/CGAL/Point_2.h

86 lines
1.9 KiB
C++

// ======================================================================
//
// Copyright (c) 1999 The CGAL Consortium
//
// This software and related documentation is part of an INTERNAL release
// of the Computational Geometry Algorithms Library (CGAL). It is not
// intended for general use.
//
// ----------------------------------------------------------------------
//
// release :
// release_date :
//
// file : Point_2.h
// package : _2
// revision : $Revision$
// revision_date : $Date$
// author(s) : Andreas Fabri, Stefan Schirra
//
// coordinator : MPI, Saarbruecken
// ======================================================================
#ifndef CGAL_POINT_2_H
#define CGAL_POINT_2_H
CGAL_BEGIN_NAMESPACE
class Origin;
template <class R_>
class Point_2 : public R_::Kernel_base::Point_2
{
typedef typename R_::RT RT;
typedef typename R_::Vector_2 Vector_2;
typedef typename R_::Kernel_base::Point_2 RPoint_2;
public:
typedef R_ R;
Point_2()
{}
Point_2(const Origin& o)
: RPoint_2(o)
{}
Point_2(const CGAL::Point_2<R>& p)
: RPoint_2(static_cast<const RPoint_2&>(p))
{}
Point_2(const RPoint_2& p)
: RPoint_2(p)
{}
Point_2(const RT& hx, const RT& hy)
: RPoint_2(hx, hy)
{}
Point_2(const RT& hx, const RT& hy, const RT& hw)
: RPoint_2(hx, hy, hw)
{}
};
#ifndef CGAL_NO_OSTREAM_INSERT_POINT_2
template < class R >
std::ostream&
operator<<(std::ostream& os, const Point_2<R>& p)
{
typedef typename R::Kernel_base::Point_2 RPoint_2;
return os << static_cast<const RPoint_2&>(p);
}
#endif // CGAL_NO_OSTREAM_INSERT_POINT_2
#ifndef CGAL_NO_ISTREAM_EXTRACT_POINT_2
template < class R >
std::istream&
operator>>(std::istream& is, Point_2<R>& p)
{
typedef typename R::Kernel_base::Point_2 RPoint_2;
return is >> static_cast<RPoint_2&>(p);
}
#endif // CGAL_NO_ISTREAM_EXTRACT_POINT_2
CGAL_END_NAMESPACE
#endif // CGAL_POINT_2_H