136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
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// Copyright (c) 1997-2002 Max-Planck-Institute Saarbruecken (Germany).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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//
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// Author(s) : Michael Seel <seel@mpi-sb.mpg.de>
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// Miguel Granados <granados@mpi-sb.mpg.de>
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// Susan Hert <hert@mpi-sb.mpg.de>
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// Lutz Kettner <kettner@mpi-sb.mpg.de>
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// Peter Hachenberger <hachenberger@mpi-sb.mpg.de>
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#ifndef CGAL_NEF_SHALFLOOP_H
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#define CGAL_NEF_SHALFLOOP_H
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#include <CGAL/license/Nef_3.h>
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#include <string>
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#include <sstream>
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#include <CGAL/IO/Verbose_ostream.h>
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#include <CGAL/Nef_3/SNC_iteration.h>
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#undef CGAL_NEF_DEBUG
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#define CGAL_NEF_DEBUG 83
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#include <CGAL/Nef_2/debug.h>
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namespace CGAL {
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template <typename Refs>
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class SHalfloop_base {
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typedef typename Refs::Mark Mark;
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typedef typename Refs::Sphere_circle Sphere_circle;
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typedef typename Refs::SHalfloop_handle SHalfloop_handle;
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typedef typename Refs::SHalfloop_const_handle SHalfloop_const_handle;
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typedef typename Refs::SFace_handle SFace_handle;
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typedef typename Refs::SFace_const_handle SFace_const_handle;
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typedef typename Refs::Halffacet_handle Halffacet_handle;
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typedef typename Refs::Halffacet_const_handle Halffacet_const_handle;
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SHalfloop_handle twin_;
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SFace_handle incident_sface_;
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Halffacet_handle facet_;
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// temporary needed:
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Mark mark_;
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Sphere_circle circle_;
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public:
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SHalfloop_base() : twin_(), incident_sface_(), facet_(),
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mark_(), circle_() {}
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~SHalfloop_base() {
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CGAL_NEF_TRACEN(" destroying SHalfloop_base item "<<&*this);
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}
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SHalfloop_base(const SHalfloop_base<Refs>& l)
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{ twin_ = l.twin_;
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incident_sface_ = l.incident_sface_;
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facet_ = l.facet_;
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mark_ = l.mark_;
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circle_ = l.circle_;
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}
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SHalfloop_base<Refs>& operator=(const SHalfloop_base<Refs>& l)
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{ twin_ = l.twin_;
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incident_sface_ = l.incident_sface_;
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facet_ = l.facet_;
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mark_ = l.mark_;
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circle_ = l.circle_;
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return *this;
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}
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Mark& mark() { return mark_;}
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const Mark& mark() const { return mark_; }
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SHalfloop_handle& twin() { return twin_; }
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SHalfloop_const_handle twin() const { return twin_; }
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Sphere_circle& circle() { return circle_; }
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const Sphere_circle& circle() const { return circle_; }
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SFace_handle& incident_sface() { return incident_sface_; }
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SFace_const_handle incident_sface() const { return incident_sface_; }
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Halffacet_handle& facet() { return facet_; }
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Halffacet_const_handle facet() const { return facet_; }
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public:
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std::string debug() const
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{ std::stringstream os;
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set_pretty_mode(os);
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os<<"sl [ "<<circle_<<" ] ";
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return os.str();
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}
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bool is_twin() const { return (&*twin_ < this); }
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bool is_valid( bool verb = false, int level = 0) const {
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Verbose_ostream verr(verb);
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verr << "begin CGAL::SNC_items<...>::SHalfloop_base::is_valid( verb=true, "
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"level = " << level << "):" << std::endl;
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bool valid = (twin_ != SHalfloop_handle() && twin_ != NULL);
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valid = valid && (incident_sface_ != SFace_handle() &&
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incident_sface_ != NULL);
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valid = valid && (facet_ != Halffacet_handle() &&
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facet_ != NULL);
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valid = valid && (circle_.d() == 0);
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valid = valid && (circle_.a() != 0 || circle_.b() != 0 || circle_.c() !=0);
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verr << "end of CGAL::SNC_items<...>::SHalfloop_base::is_valid(): structure is "
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<< ( valid ? "valid." : "NOT VALID.") << std::endl;
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return valid;
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}
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}; // SHalfloop_base
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} //namespace CGAL
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#endif //CGAL_NEF_SHALFLOOP_H
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