/usr/include/CGAL/Nef_3/Halfedge.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 | // Copyright (c) 1997-2002 Max-Planck-Institute Saarbruecken (Germany).
// 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) : Michael Seel <seel@mpi-sb.mpg.de>
// Miguel Granados <granados@mpi-sb.mpg.de>
// Susan Hert <hert@mpi-sb.mpg.de>
// Lutz Kettner <kettner@mpi-sb.mpg.de>
// Peter Hachenberger <hachenberger@mpi-sb.mpg.de>
#ifndef CGAL_NEF_HALFEDGE_H
#define CGAL_NEF_HALFEDGE_H
#include <string>
#include <sstream>
#include <CGAL/IO/Verbose_ostream.h>
#include <CGAL/Nef_3/SNC_iteration.h>
#include <CGAL/Origin.h>
#undef CGAL_NEF_DEBUG
#define CGAL_NEF_DEBUG 83
#include <CGAL/Nef_2/debug.h>
#ifndef CGAL_I_DO_WANT_TO_USE_GENINFO
#include <boost/any.hpp>
#endif
namespace CGAL {
template <typename Refs>
class Halfedge_base
{ // == Halfedge
#ifdef CGAL_I_DO_WANT_TO_USE_GENINFO
typedef void* GenPtr;
#else
typedef boost::any GenPtr;
#endif
typedef typename Refs::Mark Mark;
typedef typename Refs::Vector_3 Vector_3;
typedef typename Refs::Sphere_point Sphere_point;
typedef typename Refs::Vertex_handle Vertex_handle;
typedef typename Refs::Halfedge_handle Halfedge_handle;
typedef typename Refs::SVertex_handle SVertex_handle;
typedef typename Refs::SHalfedge_handle SHalfedge_handle;
typedef typename Refs::SFace_handle SFace_handle;
typedef typename Refs::Vertex_const_handle Vertex_const_handle;
typedef typename Refs::Halfedge_const_handle Halfedge_const_handle;
typedef typename Refs::SVertex_const_handle SVertex_const_handle;
typedef typename Refs::SHalfedge_const_handle SHalfedge_const_handle;
typedef typename Refs::SFace_const_handle SFace_const_handle;
Vertex_handle center_vertex_;
Mark mark_;
SVertex_handle twin_;
SHalfedge_handle out_sedge_;
SFace_handle incident_sface_;
GenPtr info_;
Sphere_point point_;
public:
Halfedge_base() : center_vertex_(), mark_(), twin_(),
out_sedge_(), incident_sface_(),
info_(), point_() {}
Halfedge_base(Mark m) : center_vertex_(), mark_(m), twin_(),
out_sedge_(), incident_sface_(),
info_(), point_() {}
~Halfedge_base() {
CGAL_NEF_TRACEN(" destroying Halfedge item "<<&*this);
}
Halfedge_base(const Halfedge_base<Refs>& e)
{ center_vertex_ = e.center_vertex_;
point_ = e.point_;
mark_ = e.mark_;
twin_ = e.twin_;
out_sedge_ = e.out_sedge_;
incident_sface_ = e.incident_sface_;
info_ = 0;
}
Halfedge_base<Refs>& operator=(const Halfedge_base<Refs>& e)
{ center_vertex_ = e.center_vertex_;
point_ = e.point_;
mark_ = e.mark_;
twin_ = e.twin_;
out_sedge_ = e.out_sedge_;
incident_sface_ = e.incident_sface_;
info_ = 0;
return *this;
}
Vertex_handle& center_vertex() { return center_vertex_; }
Vertex_const_handle center_vertex() const { return center_vertex_; }
Vertex_handle& source() { return center_vertex_; }
Vertex_const_handle source() const { return center_vertex_; }
Vertex_handle& target() { return twin()->source(); }
Vertex_const_handle target() const { return twin()->source(); }
Mark& mark() { return mark_; }
const Mark& mark() const { return mark_; }
Vector_3 vector() const { return (point_ - CGAL::ORIGIN); }
Sphere_point& point(){ return point_; }
const Sphere_point& point() const { return point_; }
SVertex_handle& twin() { return twin_; }
SVertex_const_handle twin() const { return twin_; }
SHalfedge_handle& out_sedge() { return out_sedge_; }
SHalfedge_const_handle out_sedge() const { return out_sedge_; }
SFace_handle& incident_sface() { return incident_sface_; }
SFace_const_handle incident_sface() const { return incident_sface_; }
bool is_isolated() const { return (out_sedge() == SHalfedge_handle()); }
GenPtr& info() { return info_; }
const GenPtr& info() const { return info_; }
public:
std::string debug() const
{ std::stringstream os;
set_pretty_mode(os);
os<<"sv [ "<<point_
#ifdef CGAL_I_DO_WANT_TO_USE_GENINFO
<<info_
#endif
<<" ] ";
return os.str();
}
bool is_twin() const { return (&*twin_ < this); }
bool is_valid( bool verb = false, int level = 0) const {
Verbose_ostream verr(verb);
verr << "begin CGAL::SNC_items<...>::Halfedge_base::is_valid( verb=true, "
"level = " << level << "):" << std::endl;
bool valid = (center_vertex_ != NULL && center_vertex_ != Vertex_handle());
valid = valid && (twin_ != NULL && twin_ != SVertex_handle() &&
twin_ != SVertex_handle());
// valid = valid && (out_sedge_ != NULL);
// valid = valid && (incident_sface_ != SFace_handle());
// valid = valid &&((out_sedge_ != NULL && incident_sface_ == NULL) ||
// (out_sedge_ == NULL && incident_sface_ != NULL));
valid = valid && (out_sedge_ != NULL || incident_sface_ != NULL);
verr << "end of CGAL::SNC_items<...>::Halfedge_base::is_valid(): structure is "
<< ( valid ? "valid." : "NOT VALID.") << std::endl;
return valid;
}
}; // Halfedge_base
} //namespace CGAL
#endif //CGAL_NEF_HALFEDGE_H
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