non_manifold_coupling.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2025 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// This library is free software; 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 2.1 of the License, or (at your option) any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef LIBMESH_NON_MANIFOLD_COUPLING_H
#define LIBMESH_NON_MANIFOLD_COUPLING_H

// libMesh Includes
#include "libmesh/ghosting_functor.h" // base class
#include "libmesh/sides_to_elem_map.h" // MeshTools::SidesToElemMap

// C++ includes
#include <memory>

namespace libMesh
{

// Forward declarations
class MeshBase;

class NonManifoldGhostingFunctor : public GhostingFunctor
{
public:
  NonManifoldGhostingFunctor(const MeshBase & mesh);

  NonManifoldGhostingFunctor (const NonManifoldGhostingFunctor &) = default;
  NonManifoldGhostingFunctor (NonManifoldGhostingFunctor &&) = default;
  NonManifoldGhostingFunctor & operator= (const NonManifoldGhostingFunctor &) = default;
  NonManifoldGhostingFunctor & operator= (NonManifoldGhostingFunctor &&) = default;
  virtual ~NonManifoldGhostingFunctor() = default;

  virtual std::unique_ptr<GhostingFunctor> clone () const override;

  virtual void mesh_reinit () override;

  virtual void redistribute () override;

  virtual void delete_remote_elements() override;

  virtual void operator() (const MeshBase::const_element_iterator & range_begin,
                           const MeshBase::const_element_iterator & range_end,
                           processor_id_type p,
                           map_type & coupled_elements) override;
private:

  MeshTools::SidesToElemMap _stem;
};

} // namespace libMesh

#endif // LIBMESH_NON_MANIFOLD_COUPLING_H