/usr/include/dolfin/intersection/Point_3_Line_3_intersection.h is in libdolfin1.0-dev 1.0.0-1.
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 | // Copyright (C) 2009 Andre Massing
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2009-09-11
// Last changed: 2010-04-06
#ifndef CGAL_POINT_3_LINE_3_INTERSECTION_H
#define CGAL_POINT_3_LINE_3_INTERSECTION_H
#include <CGAL/Line_3.h>
#include <CGAL/Point_3.h>
#include <CGAL/Object.h>
CGAL_BEGIN_NAMESPACE
#if CGAL_VERSION_NR < 1030601000
namespace CGALi {
#else
namespace internal {
#endif
template <class K>
inline bool
do_intersect(const typename K::Point_3 &pt,
const typename K::Line_3 &line,
const K&)
{
return line.has_on(pt);
}
template <class K>
inline bool
do_intersect(const typename K::Line_3 &line,
const typename K::Point_3 &pt,
const K&)
{
return line.has_on(pt);
}
template <class K>
Object
intersection(const typename K::Point_3 &pt,
const typename K::Line_3 &line,
const K& k)
{
if (do_intersect(pt, line, k))
{
return make_object(pt);
}
return Object();
}
template <class K>
Object
intersection(const typename K::Line_3 &line,
const typename K::Point_3 &pt,
const K& k)
{
if (do_intersect(pt, line, k))
{
return make_object(pt);
}
return Object();
}
} // namespace CGALi
template <class K>
inline
bool
do_intersect(const Line_3<K> &line,
const Point_3<K> &pt)
{
typedef typename K::Do_intersect_3 Do_intersect;
return Do_intersect()(pt, line);
}
template <class K>
inline
bool
do_intersect(const Point_3<K> &pt,
const Line_3<K> &line)
{
typedef typename K::Do_intersect_3 Do_intersect;
return Do_intersect()(pt, line);
}
template <class K>
inline
Object
intersection(const Line_3<K> &line,
const Point_3<K> &pt)
{
typedef typename K::Intersect_3 Intersect;
return Intersect()(pt, line);
}
template <class K>
inline
Object
intersection(const Point_3<K> &pt,
const Line_3<K> &line)
{
typedef typename K::Intersect_3 Intersect;
return Intersect()(pt, line);
}
CGAL_END_NAMESPACE
#endif
|