/usr/include/CGAL/Nef_3/SHalfloop.h is in libcgal-dev 4.2-5ubuntu1.
This file is owned by root:root, with mode 0o644.
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// 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_SHALFLOOP_H
#define CGAL_NEF_SHALFLOOP_H
#include <string>
#include <sstream>
#include <CGAL/IO/Verbose_ostream.h>
#include <CGAL/Nef_3/SNC_iteration.h>
#undef CGAL_NEF_DEBUG
#define CGAL_NEF_DEBUG 83
#include <CGAL/Nef_2/debug.h>
namespace CGAL {
template <typename Refs>
class SHalfloop_base {
typedef typename Refs::Mark Mark;
typedef typename Refs::Sphere_circle Sphere_circle;
typedef typename Refs::SHalfloop_handle SHalfloop_handle;
typedef typename Refs::SHalfloop_const_handle SHalfloop_const_handle;
typedef typename Refs::SFace_handle SFace_handle;
typedef typename Refs::SFace_const_handle SFace_const_handle;
typedef typename Refs::Halffacet_handle Halffacet_handle;
typedef typename Refs::Halffacet_const_handle Halffacet_const_handle;
SHalfloop_handle twin_;
SFace_handle incident_sface_;
Halffacet_handle facet_;
// temporary needed:
Mark mark_;
Sphere_circle circle_;
public:
SHalfloop_base() : twin_(), incident_sface_(), facet_(),
mark_(), circle_() {}
~SHalfloop_base() {
CGAL_NEF_TRACEN(" destroying SHalfloop_base item "<<&*this);
}
SHalfloop_base(const SHalfloop_base<Refs>& l)
{ twin_ = l.twin_;
incident_sface_ = l.incident_sface_;
facet_ = l.facet_;
mark_ = l.mark_;
circle_ = l.circle_;
}
SHalfloop_base<Refs>& operator=(const SHalfloop_base<Refs>& l)
{ twin_ = l.twin_;
incident_sface_ = l.incident_sface_;
facet_ = l.facet_;
mark_ = l.mark_;
circle_ = l.circle_;
return *this;
}
Mark& mark() { return mark_;}
const Mark& mark() const { return mark_; }
SHalfloop_handle& twin() { return twin_; }
SHalfloop_const_handle twin() const { return twin_; }
Sphere_circle& circle() { return circle_; }
const Sphere_circle& circle() const { return circle_; }
SFace_handle& incident_sface() { return incident_sface_; }
SFace_const_handle incident_sface() const { return incident_sface_; }
Halffacet_handle& facet() { return facet_; }
Halffacet_const_handle facet() const { return facet_; }
public:
std::string debug() const
{ std::stringstream os;
set_pretty_mode(os);
os<<"sl [ "<<circle_<<" ] ";
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<...>::SHalfloop_base::is_valid( verb=true, "
"level = " << level << "):" << std::endl;
bool valid = (twin_ != SHalfloop_handle() && twin_ != NULL);
valid = valid && (incident_sface_ != SFace_handle() &&
incident_sface_ != NULL);
valid = valid && (facet_ != Halffacet_handle() &&
facet_ != NULL);
valid = valid && (circle_.d() == 0);
valid = valid && (circle_.a() != 0 || circle_.b() != 0 || circle_.c() !=0);
verr << "end of CGAL::SNC_items<...>::SHalfloop_base::is_valid(): structure is "
<< ( valid ? "valid." : "NOT VALID.") << std::endl;
return valid;
}
}; // SHalfloop_base
} //namespace CGAL
#endif //CGAL_NEF_SHALFLOOP_H
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