/usr/include/CGAL/Point_traits.h is in libcgal-dev 4.11-2build1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | // Copyright (c) 2005 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) : Laurent RINEAU
#ifndef CGAL_POINT_TRAITS_H
#define CGAL_POINT_TRAITS_H
#include <CGAL/license/Surface_mesher.h>
#include <CGAL/Weighted_point_3.h>
#include <CGAL/assertions.h>
namespace CGAL {
template <class P>
struct Is_weighted : public Tag_false {} ;
template <typename K>
struct Is_weighted< ::CGAL::Weighted_point_3<K> > :
public Tag_true {} ;
namespace details {
template <class P, typename FT, bool>
struct Point_traits_aux
{
// should give errors
};
template <class P, typename FT>
struct Point_traits_aux<P, FT, false>
{
typedef P Point;
typedef P Bare_point;
typedef typename Kernel_traits<P>::type K;
typedef typename ::CGAL::Weighted_point_3<K> Weighted_point;
typedef Tag_false Is_weighted;
const Bare_point& bare_point(const Point& bp)
{
return bp;
}
Weighted_point weighted_point(const Point& bp)
{
return Weighted_point(bp);
}
const Point& point(const Bare_point& bp)
{
return bp;
}
const Point& point(const Weighted_point& wp)
{
return wp.point();
}
}; // end class Point_traits_aux<P>
template <class P, typename FT>
struct Point_traits_aux<P, FT, true>
{
typedef P Point;
typedef P Weighted_point;
typedef typename Point::Point Bare_point;
typedef Tag_true Is_weighted;
const Bare_point& bare_point(const Point& wp)
{
return wp.point();
}
const Weighted_point& weighted_point(const Point& wp)
{
return wp;
}
Point point(const Bare_point& bp)
{
return Weighted_point(bp);
}
const Point& point(const Weighted_point& wp)
{
return wp;
}
}; // end class Point_traits_aux<P, FT, true>
template <class Point>
struct FT_of_point
{
typedef typename CGAL::Kernel_traits<Point>::Kernel::FT type;
};
} // end namespace details
template <class Point>
class Point_traits
: public details::Point_traits_aux<
Point,
typename details::FT_of_point<Point>::type,
Is_weighted<Point>::value
>
{
}; // end class Point_traits<T>
} // end namespace CGAL
#endif // CGAL_POINT_TRAITS_H
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