// ======================================================================
//
// 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          : Plane_3.h
// package       : _3
// revision      : $Revision$
// revision_date : $Date$
// author(s)     : Andreas Fabri, Stefan Schirra
//
// coordinator   : MPI, Saarbruecken
// ======================================================================
 
#ifndef CGAL_PLANE_3_H
#define CGAL_PLANE_3_H

CGAL_BEGIN_NAMESPACE

template <class R_>
class Plane_3 : public R_::Kernel_base::Plane_3
{
  typedef typename R_::RT                    RT;
  typedef typename R_::Point_3               Point_3;
  typedef typename R_::Direction_3           Direction_3;
  typedef typename R_::Vector_3              Vector_3;
  typedef typename R_::Segment_3             Segment_3;
  typedef typename R_::Line_3                Line_3;
  typedef typename R_::Ray_3                 Ray_3;
  typedef typename R_::Kernel_base::Plane_3  RPlane_3;
public:
  typedef          R_                       R;

  Plane_3()
      : RPlane_3() {}

  Plane_3(const CGAL::Plane_3<R>& p)
      : RPlane_3(p) {}

  Plane_3(const RPlane_3& p)
      : RPlane_3(p) {}

  Plane_3(const Point_3& p, const Point_3& q, const Point_3& r)
    : RPlane_3(p,q,r) {}

  Plane_3(const Point_3& p, const Direction_3& d)
    : RPlane_3(p,d) {}

  Plane_3(const Point_3& p, const Vector_3& v)
    : RPlane_3(p,v) {}

  Plane_3(const RT& a, const RT& b, const RT& c, const RT& d)
    : RPlane_3(a,b,c,d) {}

  Plane_3(const Line_3& l, const Point_3& p)
    : RPlane_3(l,p) {}

  Plane_3(const Segment_3& s, const Point_3& p)
    : RPlane_3(s,p) {}

  Plane_3(const Ray_3& r, const Point_3& p)
    : RPlane_3(r,p) {}
};

#ifndef CGAL_NO_OSTREAM_INSERT_PLANE_3
template < class R >
std::ostream&
operator<<(std::ostream& os, const Plane_3<R>& p)
{
  typedef typename  R::Kernel_base::Plane_3  RPlane_3;
  return os << static_cast<const RPlane_3&>(p);
}
#endif // CGAL_NO_OSTREAM_INSERT_PLANE_3

#ifndef CGAL_NO_ISTREAM_EXTRACT_PLANE_3
template < class R >
std::istream&
operator>>(std::istream& is, Plane_3<R>& t)
{
  typedef typename  R::Kernel_base::Plane_3  RPlane_3;
  return is >> static_cast<RPlane_3&>(t);
}
#endif // CGAL_NO_ISTREAM_EXTRACT_PLANE_3

CGAL_END_NAMESPACE

#endif // CGAL_PLANE_3_H