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// Copyright (c) 2003-2008 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// You can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// 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.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/next/Circular_kernel_2/include/CGAL/Circular_kernel_2/function_objects_on_circle_2.h $
// $Id: function_objects_on_circle_2.h 67117 2012-01-13 18:14:48Z lrineau $
//
// Author(s) : Monique Teillaud, Sylvain Pion, Pedro Machado
// 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)
#ifndef CGAL_CIRCULAR_KERNEL_FUNCTION_OBJECTS_ON_CIRCLE_2_H
#define CGAL_CIRCULAR_KERNEL_FUNCTION_OBJECTS_ON_CIRCLE_2_H
#include <CGAL/Circular_kernel_2/internal_functions_on_circle_2.h>
#include <CGAL/Circular_kernel_2/function_objects_on_line_2.h>
// to be removed when CGAL::Kernel has a Get_equation
namespace CGAL {
namespace CircularFunctors {
template < class CK >
class Construct_circle_2 : public CK::Linear_kernel::Construct_circle_2
{
public:
typedef typename CK::Circular_arc_2 Circular_arc_2;
typedef typename CK::Linear_kernel::Construct_circle_2::result_type
result_type;
using CK::Linear_kernel::Construct_circle_2::operator();
result_type
operator() ( const typename CK::Polynomial_for_circles_2_2 &eq )
{
return construct_circle_2<CK>(eq);
}
const result_type&
operator() (const Circular_arc_2 & a) const
{
return (a.rep().supporting_circle());
}
};
} // namespace CircularFunctors
#ifndef CGAL_CFG_DONT_OVERLOAD_TOO_MUCH
template < typename K>
struct Qualified_result_of<CircularFunctors::Construct_circle_2<K>,
typename K::Circular_arc_2>
{
typedef const typename K::Circle_2 & type;
};
#endif
} // namespace CGAL
#endif // CGAL_CIRCULAR_KERNEL_FUNCTION_OBJECTS_ON_CIRCLE_2_H
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