cgal/Old_Packages/_2/include/CGAL/Triangle_2.h

73 lines
1.8 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 : Triangle_2.h
// package : _2
// revision : $Revision$
// revision_date : $Date$
// author(s) : Andreas Fabri
//
// coordinator : MPI, Saarbruecken
// ======================================================================
#ifndef CGAL_TRIANGLE_2_H
#define CGAL_TRIANGLE_2_H
CGAL_BEGIN_NAMESPACE
template <class R_>
class Triangle_2 : public R_::Kernel_base::Triangle_2
{
typedef typename R_::Point_2 Point_2;
typedef typename R_::Kernel_base::Triangle_2 RTriangle_2;
public:
typedef R_ R;
Triangle_2()
: RTriangle_2() {}
Triangle_2(const CGAL::Triangle_2<R> &t)
: RTriangle_2((RTriangle_2&)t) {}
Triangle_2(const RTriangle_2& t)
: RTriangle_2(t) {}
Triangle_2(const Point_2 &p, const Point_2 &q, const Point_2 &r)
: RTriangle_2(p,q,r) {}
};
#ifndef CGAL_NO_OSTREAM_INSERT_TRIANGLE_2
template < class R >
std::ostream &
operator<<(std::ostream &os, const Triangle_2<R> &t)
{
typedef typename R::Kernel_base::Triangle_2 RTriangle_2;
return os << (const RTriangle_2&)t;
}
#endif // CGAL_NO_OSTREAM_INSERT_TRIANGLE_2
#ifndef CGAL_NO_ISTREAM_EXTRACT_TRIANGLE_2
template < class R >
std::istream &
operator>>(std::istream &is, Triangle_2<R> &t)
{
typedef typename R::Kernel_base::Triangle_2 RTriangle_2;
return is >> (RTriangle_2&)t;
}
#endif // CGAL_NO_ISTREAM_EXTRACT_TRIANGLE_2
CGAL_END_NAMESPACE
#endif // CGAL_TRIANGLE_2_H