cgal/Mesh_3/include/CGAL/internal/Mesh_3/check_weights.h

80 lines
2.2 KiB
C++

// Copyright (c) 2015 GeometryFactory (France).
// 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.
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0+
//
// Author(s) : Jane Tournois
//
//******************************************************************************
// File Description :
//
//
//******************************************************************************
#ifndef CGAL_INTERNAL_MESH_3_CHECK_WEIGHTS_H
#define CGAL_INTERNAL_MESH_3_CHECK_WEIGHTS_H
#include <CGAL/license/Mesh_3.h>
#include <CGAL/enum.h>
#include <CGAL/tags.h>
#include <CGAL/Mesh_3/Has_features.h>
#include <boost/type_traits/is_same.hpp>
namespace CGAL {
namespace Mesh_3 {
namespace internal {
template<typename Triangulation, typename MeshDomain>
bool has_non_protecting_weights(const Triangulation& tr,
const MeshDomain&)
{
const bool with_features = Has_features<MeshDomain>::value;
typedef typename Triangulation::FT FT;
typedef typename Triangulation::Weighted_point Weighted_point;
typename Triangulation::Geom_traits::Compare_weighted_squared_radius_3 cwsr =
tr.geom_traits().compare_weighted_squared_radius_3_object();
for (typename Triangulation::Finite_vertices_iterator
vv = tr.finite_vertices_begin();
vv != tr.finite_vertices_end();
++vv)
{
const Weighted_point& vv_wp = tr.point(vv);
if (cwsr(vv_wp, FT(0)) != CGAL::EQUAL)
{
if (with_features)
{
if (vv->in_dimension() > 1)
return true;
}
else
return true;
}
}
return false;
}
} // end namespace internal
} // end namespace Mesh_3
} // end namespace CGAL
#endif //CGAL_INTERNAL_MESH_3_CHECK_WEIGHTS_H