cgal/Old_Packages/_2/include/CGAL/Ray_2.h

77 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 : Ray_2.h
// package : _2
// revision : $Revision$
// revision_date : $Date$
// author(s) : Andreas Fabri
//
// coordinator : MPI, Saarbruecken
// ======================================================================
#ifndef CGAL_RAY_2_H
#define CGAL_RAY_2_H
CGAL_BEGIN_NAMESPACE
template <class R_>
class Ray_2 : public R_::Kernel_base::Ray_2
{
typedef typename R_::RT RT;
typedef typename R_::Point_2 Point_2;
typedef typename R_::Direction_2 Direction_2;
typedef typename R_::Kernel_base::Ray_2 RRay_2;
public:
typedef R_ R;
Ray_2()
: RRay_2() {}
Ray_2(const CGAL::Ray_2<R> &r)
: RRay_2(static_cast<const RRay_2&>(r)) {}
Ray_2(const RRay_2& r)
: RRay_2(r) {}
Ray_2(const Point_2 &sp, const Point_2 &secondp)
: RRay_2(sp, secondp) {}
Ray_2(const Point_2 &sp, const Direction_2 &d)
: RRay_2(sp, d) {}
};
#ifndef CGAL_NO_OSTREAM_INSERT_RAY_2
template < class R >
std::ostream &
operator<<(std::ostream &os, const Ray_2<R> &r)
{
typedef typename R::Kernel_base::Ray_2 RRay_2;
return os << static_cast<const RRay_2&>(r);
}
#endif // CGAL_NO_OSTREAM_INSERT_RAY_2
#ifndef CGAL_NO_ISTREAM_EXTRACT_RAY_2
template < class R >
std::istream &
operator>>(std::istream &is, Ray_2<R> &r)
{
typedef typename R::Kernel_base::Ray_2 RRay_2;
return is >> static_cast<RRay_2&>(r);
}
#endif // CGAL_NO_ISTREAM_EXTRACT_RAY_2
CGAL_END_NAMESPACE
#endif // CGAL_RAY_2_H