TopologyElementTag.h

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//============================================================================
//  The contents of this file are covered by the Viskores license. See
//  LICENSE.txt for details.
//
//  By contributing to this file, all contributors agree to the Developer
//  Certificate of Origin Version 1.1 (DCO 1.1) as stated in DCO.txt.
//============================================================================
 
//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
#ifndef viskores_TopologyElementTag_h
#define viskores_TopologyElementTag_h
 
#include <viskores/Types.h>
 
namespace viskores
{
 
struct TopologyElementTagCell
{
};
 
struct TopologyElementTagPoint
{
};
 
struct TopologyElementTagEdge
{
};
 
struct TopologyElementTagFace
{
};
 
namespace internal
{
 
template <typename T>
struct TopologyElementTagCheck : std::false_type
{
};
 
template <>
struct TopologyElementTagCheck<viskores::TopologyElementTagCell> : std::true_type
{
};
 
template <>
struct TopologyElementTagCheck<viskores::TopologyElementTagPoint> : std::true_type
{
};
 
template <>
struct TopologyElementTagCheck<viskores::TopologyElementTagEdge> : std::true_type
{
};
 
template <>
struct TopologyElementTagCheck<viskores::TopologyElementTagFace> : std::true_type
{
};
 
#define VISKORES_IS_TOPOLOGY_ELEMENT_TAG(type)                              \
  static_assert(::viskores::internal::TopologyElementTagCheck<type>::value, \
                "Invalid Topology Element Tag being used")
 
} // namespace internal
 
} // namespace viskores
 
#endif //viskores_TopologyElementTag_h