/usr/include/CGAL/Circular_kernel_intersections.h is in libcgal-dev 4.7-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | // 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.
//
// $URL$
// $Id$
//
// 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 <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 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 \
bool \
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);
}
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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