face_tri3_subdivision.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2014 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_FACE_TRI3_SUBDIVISION_H
#define LIBMESH_FACE_TRI3_SUBDIVISION_H


// Local includes
#include "libmesh/face_tri3.h"

// C++ includes

namespace libMesh
{

class Tri3Subdivision : public Tri3
{
public:

  Tri3Subdivision() :
    Tri3(), _subdivision_updated(false), _is_ghost(false) {}

  Tri3Subdivision(Elem *p);

  ElemType type () const { return TRI3SUBDIVISION; }

  virtual bool has_affine_map () const { return false; }

  virtual bool is_linear () const { return false; }

  Order default_order() const { return FOURTH; }

  void prepare_subdivision_properties();

  bool is_subdivision_updated() const { return _subdivision_updated; }

  Node* get_ordered_node(unsigned int node_id) const;

  unsigned int get_ordered_valence(unsigned int node_id) const;

  unsigned int local_node_number(unsigned int node_id) const;

  bool is_ghost() const { return _is_ghost; }

  void set_ghost(bool ghosted) { _is_ghost = ghosted; }

private:

  Node* _ordered_nodes[3];

  bool _subdivision_updated;

  bool _is_ghost;
};


} // namespace libMesh

#endif // LIBMESH_FACE_TRI3_SUBDIVISION_H