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// Copyright (c) 2003-2008 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/Circular_kernel_2/include/CGAL/Circular_kernel_intersections.h $
// $Id: include/CGAL/Circular_kernel_intersections.h b26b07a1242 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
// 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_INTERSECTIONS_H
#define CGAL_CIRCULAR_KERNEL_INTERSECTIONS_H
#include <CGAL/license/Circular_kernel_2.h>
#include <vector>
#include <CGAL/Circle_2.h>
#include <CGAL/Circular_arc_2.h>
#include <CGAL/Line_arc_2.h>
#include <CGAL/Line_2.h>
#include <CGAL/Circular_arc_point_2.h>
#include <CGAL/Circular_kernel_2/Intersection_traits.h>
namespace CGAL {
#define CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(A,B) \
template < class OutputIterator, class K > \
OutputIterator \
intersection(const A <K> &c1, const B <K> &c2, OutputIterator res) \
{ \
return typename K::Intersect_2()(c1, c2, res); \
} \
namespace Intersections { \
namespace internal { \
template <class K> \
inline \
bool \
do_intersect(const typename K::A &c1, const typename K::B &c2, const K&) \
{ \
std::vector< typename CK2_Intersection_traits<K, typename K::A, typename K::B>::type > res; \
typename K::Intersect_2()(c1,c2,std::back_inserter(res)); \
return !res.empty(); \
} \
} \
} \
template <class K> \
inline \
typename K::Boolean \
do_intersect(const A <K> &c1, const B <K> &c2) \
{ \
return typename K::Do_intersect_2()(c1, c2); \
}
// Circle_2 Circle_2 already has its do_intersect
// so it needs only the global intersection
template < class OutputIterator, class K >
OutputIterator
intersection(const Circle_2 <K> &c1, const Circle_2 <K> &c2, OutputIterator res)
{
return typename K::Intersect_2()(c1, c2, res);
}
template < class OutputIterator, class K >
OutputIterator
intersection(const Circle_2 <K> &c1, const Line_2 <K> &c2, OutputIterator res)
{
return typename K::Intersect_2()(c1, c2, res);
}
template < class OutputIterator, class K >
OutputIterator
intersection(const Line_2 <K> &c1, const Circle_2 <K> &c2, OutputIterator res)
{
return typename K::Intersect_2()(c1, c2, res);
}
template < class OutputIterator, class K >
OutputIterator
intersection(const Line_2 <K> &c1, const Line_2 <K> &c2, OutputIterator res)
{
return typename K::Intersect_2()(c1, c2, res);
}
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circular_arc_2, Circular_arc_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_arc_2, Line_arc_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_arc_2, Circle_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circle_2, Line_arc_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circular_arc_2, Circle_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circle_2, Circular_arc_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_arc_2, Circular_arc_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circular_arc_2, Line_arc_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_2, Circular_arc_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_2, Line_arc_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circular_arc_2, Line_2)
CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_arc_2, Line_2)
} //namespace CGAL
#undef CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_
#endif // CGAL_CIRCULAR_KERNEL_INTERSECTIONS_H
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