cgal/Circular_kernel_3/include/CGAL/Circle_3.h

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// Copyright (c) 2005-2006 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Partially supported by the IST Programme of the EU as a Shared-cost
// RTD (FET Open) Project under Contract No IST-2000-26473
// (ECG - Effective Computational Geometry for Curves and Surfaces)
// and a STREP (FET Open) Project under Contract No IST-006413
// (ACS -- Algorithms for Complex Shapes)
//
// $URL: $
// $Id: $
//
// Author(s) : Monique Teillaud <Monique.Teillaud@sophia.inria.fr>
// Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
// Pedro Machado <tashimir@gmail.com>
// Julien Hazebrouck
// Damien Leroy
#ifndef CGAL_CIRCLE_3_H
#define CGAL_CIRCLE_3_H
namespace CGAL {
template <class SK>
class Circle_3
: public SK::Kernel_base::Circle_3
{
typedef typename SK::RT RT;
typedef typename SK::FT FT;
typedef typename SK::Point_3 Point_3;
typedef typename SK::Plane_3 Plane_3;
typedef typename SK::Sphere_3 Sphere_3;
typedef typename SK::Vector_3 Vector_3;
typedef typename SK::Direction_3 Direction_3;
typedef typename SK::Kernel_base::Circle_3 RCircle_3;
public:
typedef RCircle_3 Rep;
typedef SK R;
const Rep& rep() const
{
return *this;
}
Rep& rep()
{
return *this;
}
Circle_3()
: RCircle_3(typename R::Construct_circle_3()())
{}
Circle_3(const Point_3& c, const FT& sr, const Plane_3& p)
: RCircle_3(typename R::Construct_circle_3()(c,sr,p))
{}
Circle_3(const Point_3& c, const FT& sr, const Direction_3& d)
: RCircle_3(typename R::Construct_circle_3()(c,sr,d))
{}
Circle_3(const Point_3& c, const FT& sr, const Vector_3& v)
: RCircle_3(typename R::Construct_circle_3()(c,sr,v))
{}
Circle_3(const Sphere_3& s1, const Sphere_3& s2)
: RCircle_3(typename R::Construct_circle_3()(s1,s2))
{}
Circle_3(const Sphere_3& s, const Plane_3& p)
: RCircle_3(typename R::Construct_circle_3()(s,p))
{}
Circle_3(const Plane_3& p, const Sphere_3& s)
: RCircle_3(typename R::Construct_circle_3()(p,s))
{}
Circle_3(const RCircle_3& r)
: RCircle_3(r)
{}
typename Qualified_result_of
<typename R::Construct_diametral_sphere_3, Circle_3>::type
//const Sphere_3 &
diametral_sphere() const
{
return typename R::Construct_diametral_sphere_3()(*this);
}
Point_3 center() const
{
return typename R::Construct_diametral_sphere_3()(*this).center();
}
FT squared_radius() const
{
return typename R::Construct_diametral_sphere_3()(*this).squared_radius();
}
typename Qualified_result_of
<typename R::Construct_supporting_plane_3, Circle_3>::type
//const Plane_3 &
supporting_plane() const
{
return typename R::Construct_supporting_plane_3()(*this);
}
Bbox_3 bbox() const
{ return typename R::Construct_bbox_3()(*this); }
};
template < typename SK >
inline
bool
operator==(const Circle_3<SK> &p,
const Circle_3<SK> &q)
{
return SK().equal_3_object()(p, q);
}
template < typename SK >
inline
bool
operator!=(const Circle_3<SK> &p,
const Circle_3<SK> &q)
{
return ! (p == q);
}
}
#endif