cgal/STL_Extension/include/CGAL/hash_openmesh.h

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2.4 KiB
C++

// Copyright (c) 2016 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 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
#ifndef CGAL_HASH_OPENMESH_H
#define CGAL_HASH_OPENMESH_H
#include <OpenMesh/Core/Mesh/Handles.hh>
#if OM_VERSION < 0x60200
namespace OpenMesh {
inline std::size_t hash_value(const BaseHandle& h) { return h.idx(); }
} // namespace OpenMesh
#endif
#ifndef OM_HAS_HASH
#include <functional>
namespace std {
#if defined(BOOST_MSVC)
# pragma warning(push)
# pragma warning(disable:4099) // For VC10 it is class hash
#endif
#ifndef CGAL_CFG_NO_STD_HASH
template <>
struct hash<OpenMesh::BaseHandle >
: public std::unary_function<OpenMesh::BaseHandle, std::size_t>
{
std::size_t operator()(const OpenMesh::BaseHandle& h) const
{
return h.idx();
}
};
template <>
struct hash<OpenMesh::VertexHandle >
: public std::unary_function<OpenMesh::VertexHandle, std::size_t>
{
std::size_t operator()(const OpenMesh::VertexHandle& h) const
{
return h.idx();
}
};
template <>
struct hash<OpenMesh::HalfedgeHandle >
: public std::unary_function<OpenMesh::HalfedgeHandle, std::size_t>
{
std::size_t operator()(const OpenMesh::HalfedgeHandle& h) const
{
return h.idx();
}
};
template <>
struct hash<OpenMesh::EdgeHandle >
: public std::unary_function<OpenMesh::EdgeHandle, std::size_t>
{
std::size_t operator()(const OpenMesh::EdgeHandle& h) const
{
return h.idx();
}
};
template <>
struct hash<OpenMesh::FaceHandle >
: public std::unary_function<OpenMesh::FaceHandle, std::size_t>
{
std::size_t operator()(const OpenMesh::FaceHandle& h) const
{
return h.idx();
}
};
#endif // CGAL_CFG_NO_STD_HASH
#if defined(BOOST_MSVC)
# pragma warning(pop)
#endif
} // namespace std
#endif // OM_HAS_HASH
#endif // CGAL_HASH_OPENMESH_H