cgal/Old_Packages/_2/include/CGAL/Segment_2.h

74 lines
2.0 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 : Segment_2.h
// package : _2
// revision : $Revision$
// revision_date : $Date$
// author(s) : Andreas Fabri
//
// coordinator : MPI, Saarbruecken
// ======================================================================
#ifndef CGAL_SEGMENT_2_H
#define CGAL_SEGMENT_2_H
CGAL_BEGIN_NAMESPACE
template <class R_>
class Segment_2 : public R_::Kernel_base::Segment_2
{
typedef typename R_::RT RT;
typedef typename R_::Point_2 Point_2;
typedef typename R_::Kernel_base::Segment_2 RSegment_2;
public:
typedef R_ R;
Segment_2()
: RSegment_2() {}
Segment_2(const CGAL::Segment_2<R>& s)
: RSegment_2(static_cast<const RSegment_2&>(s)) {}
Segment_2(const Point_2 &sp, const Point_2 &ep)
: RSegment_2(sp,ep) {}
// conversion from implementation class object to interface class object
Segment_2(const RSegment_2& s)
: RSegment_2(s) {}
};
#ifndef CGAL_NO_OSTREAM_INSERT_SEGMENT_2
template < class R>
std::ostream &
operator<<(std::ostream &os, const Segment_2<R> &s)
{
typedef typename R::Kernel_base::Segment_2 RSegment_2;
return os << static_cast<const RSegment_2&>(s);
}
#endif // CGAL_NO_OSTREAM_INSERT_SEGMENT_2
#ifndef CGAL_NO_ISTREAM_EXTRACT_SEGMENT_2
template < class R>
std::istream &
operator>>(std::istream &is, Segment_2<R> &s)
{
typedef typename R::Kernel_base::Segment_2 RSegment_2;
return is >> static_cast<RSegment_2&>(s);
}
#endif // CGAL_NO_ISTREAM_EXTRACT_SEGMENT_2
CGAL_END_NAMESPACE
#endif // CGAL_SEGMENT_2_H