mirror of https://github.com/CGAL/cgal
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
// ======================================================================
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//
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// Copyright (c) 1999 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------
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//
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// release :
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// release_date :
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//
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// file : Circle_2.h
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// package : _2
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// revision : $Revision$
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// revision_date : $Date$
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// author(s) : Andreas Fabri
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// Sven Schoenherr
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//
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// coordinator : MPI, Saarbruecken
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// ======================================================================
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#ifndef CGAL_CIRCLE_2_H
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#define CGAL_CIRCLE_2_H
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CGAL_BEGIN_NAMESPACE
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template <class R_>
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class Circle_2 : public R_::Kernel_base::Circle_2
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{
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typedef typename R_::FT FT;
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typedef typename R_::Point_2 Point_2;
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typedef typename R_::Kernel_base::Circle_2 RCircle_2;
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public:
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typedef R_ R;
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Circle_2()
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: RCircle_2() {}
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Circle_2(const CGAL::Circle_2<R> &t)
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: RCircle_2((RCircle_2&)t) {}
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Circle_2(const RCircle_2& t)
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: RCircle_2(t) {}
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Circle_2(const Point_2 ¢er, const FT &squared_radius,
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const Orientation &orientation)
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: RCircle_2(center, squared_radius, orientation) {}
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Circle_2(const Point_2 ¢er, const FT &squared_radius)
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: RCircle_2(center, squared_radius, COUNTERCLOCKWISE) {}
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Circle_2(const Point_2 &p, const Point_2 &q, const Point_2 &r)
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: RCircle_2(p,q,r) {}
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Circle_2(const Point_2 & p, const Point_2 & q,
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const Orientation &orientation)
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: RCircle_2(p,q,orientation) {}
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Circle_2(const Point_2 & p, const Point_2 & q)
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: RCircle_2(p,q,COUNTERCLOCKWISE) {}
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Circle_2(const Point_2 & center, const Orientation& orientation)
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: RCircle_2(center,FT(0),orientation) {}
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Circle_2(const Point_2 & center)
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: RCircle_2(center,FT(0),COUNTERCLOCKWISE) {}
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};
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#ifndef CGAL_NO_OSTREAM_INSERT_CIRCLE_2
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template < class R >
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std::ostream &
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operator<<(std::ostream &os, const Circle_2<R> &c)
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{
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typedef typename R::Kernel_base::Circle_2 RCircle_2;
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return os << (const RCircle_2&)c;
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}
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#endif // CGAL_NO_OSTREAM_INSERT_CIRCLE_2
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#ifndef CGAL_NO_ISTREAM_EXTRACT_CIRCLE_2
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template < class R >
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std::istream &
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operator>>(std::istream &is, Circle_2<R> &c)
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{
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typedef typename R::Kernel_base::Circle_2 RCircle_2;
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return is >> (RCircle_2&)c;
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}
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#endif // CGAL_NO_ISTREAM_EXTRACT_CIRCLE_2
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CGAL_END_NAMESPACE
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#endif // CGAL_CIRCLE_2_H
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