This file is indexed.

/usr/include/CGAL/Tetrahedron_3.h is in libcgal-dev 4.2-5ubuntu1.

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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
// Copyright (c) 1999  
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel).  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 Lesser 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)     : Andreas Fabri, Stefan Schirra

#ifndef CGAL_TETRAHEDRON_3_H
#define CGAL_TETRAHEDRON_3_H

#include <CGAL/assertions.h>
#include <boost/type_traits/is_same.hpp>
#include <CGAL/Kernel/Return_base_tag.h>
#include <CGAL/Bbox_3.h>
#include <CGAL/Dimension.h>

namespace CGAL {

template <class R_>
class Tetrahedron_3 : public R_::Kernel_base::Tetrahedron_3
{
  typedef typename R_::Point_3             Point_3;
  typedef typename R_::Aff_transformation_3  Aff_transformation_3;

  typedef Tetrahedron_3                      Self;
  CGAL_static_assertion((boost::is_same<Self, typename R_::Tetrahedron_3>::value));

public:

  typedef Dimension_tag<3>  Ambient_dimension;
  typedef Dimension_tag<3>  Feature_dimension;

  typedef typename R_::Kernel_base::Tetrahedron_3  Rep;

  const Rep& rep() const
  {
    return *this;
  }

  Rep& rep()
  {
    return *this;
  }

  typedef          R_                       R;

  Tetrahedron_3() {}

  Tetrahedron_3(const Rep& t)
      : Rep(t) {}

  Tetrahedron_3(const Point_3& p, const Point_3& q,
                const Point_3& r, const Point_3& s)
    : Rep(typename R::Construct_tetrahedron_3()(Return_base_tag(), p, q, r, s)) {}

  Tetrahedron_3 transform(const Aff_transformation_3 &t) const
  {
    return Tetrahedron_3(t.transform(this->vertex(0)),
                         t.transform(this->vertex(1)),
                         t.transform(this->vertex(2)),
                         t.transform(this->vertex(3)));
  }

  typename cpp11::result_of<typename R::Construct_vertex_3( Tetrahedron_3, int)>::type
  vertex(int i) const
  {
    return R().construct_vertex_3_object()(*this,i);
  }

  typename cpp11::result_of<typename R::Construct_vertex_3( Tetrahedron_3, int)>::type
  operator[](int i) const
  {
    return vertex(i);
  }

  bool
  is_degenerate() const
  {
    return R().is_degenerate_3_object()(*this);
  }

  Orientation orientation() const
  {
    return R().orientation_3_object()(*this);
  }

  Bounded_side bounded_side(const Point_3 &p) const
  {
    return R().bounded_side_3_object()(*this, p);
  }

  Oriented_side oriented_side(const Point_3 &p) const
  {
    return R().oriented_side_3_object()(*this, p);
  }

  bool has_on_positive_side(const Point_3 &p) const
  {
    return R().has_on_positive_side_3_object()(*this, p);
  }

  bool has_on_negative_side(const Point_3 &p) const
  {
    return R().has_on_negative_side_3_object()(*this, p);
  }

  bool has_on_boundary(const Point_3 &p) const
  {
    return R().has_on_boundary_3_object()(*this, p);
  }

  bool has_on_bounded_side(const Point_3 &p) const
  {
    return R().has_on_bounded_side_3_object()(*this, p);
  }

  bool has_on_unbounded_side(const Point_3 &p) const
  {
    return R().has_on_unbounded_side_3_object()(*this, p);
  }

  typename cpp11::result_of<typename R::Compute_volume_3( Tetrahedron_3)>::type
  volume() const
  {
    return R().compute_volume_3_object()(*this);
  }

  Bbox_3
  bbox() const
  {
    return R().construct_bbox_3_object()(*this);
  }

};


template < class R >
std::ostream &
operator<<(std::ostream &os, const Tetrahedron_3<R> &t)
{
    switch(os.iword(IO::mode)) {
    case IO::ASCII :
        return os << t[0] << ' ' << t[1] << ' ' << t[2] << ' ' << t[3];
    case IO::BINARY :
        return os << t[0]  << t[1]  << t[2] << t[3];
    default:
        os << "Tetrahedron_3(" << t[0] <<  ", " << t[1] <<   ", " << t[2];
        os <<  ", " << t[3] << ")";
        return os;
    }
}

template < class R >
std::istream &
operator>>(std::istream &is, Tetrahedron_3<R> &t)
{
    typename R::Point_3 p, q, r, s;

    is >> p >> q >> r >> s;

    if (is)
        t = Tetrahedron_3<R>(p, q, r, s);
    return is;
}

} //namespace CGAL

#endif  // CGAL_TETRAHEDRON_3_H