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cell_prism.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2012 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_CELL_PRISM_H
#define LIBMESH_CELL_PRISM_H

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

namespace libMesh
{




// ------------------------------------------------------------
// Prism class definition
class Prism : public Cell
{
public:

  Prism(const unsigned int nn, Elem* p, Node** nodelinkdata);

  unsigned int n_nodes() const { return 6; }

  unsigned int n_sides() const { return 5; }

  unsigned int n_vertices() const { return 6; }

  unsigned int n_edges() const { return 9; }

  unsigned int n_faces() const { return 5; }

  unsigned int n_children() const { return 8; }

  /*
   * @returns true iff the specified child is on the
   * specified side
   */
  virtual bool is_child_on_side(const unsigned int c,
                                const unsigned int s) const;

  /*
   * @returns true iff the specified edge is on the specified side
   */
  virtual bool is_edge_on_side(const unsigned int e,
                               const unsigned int s) const;

  dof_id_type key (const unsigned int s) const;

  AutoPtr<Elem> side (const unsigned int i) const;



protected:

  Elem* _elemlinks_data[6+(LIBMESH_DIM>3)];



  static const unsigned short int _second_order_adjacent_vertices[9][2];

  static const unsigned short int _second_order_vertex_child_number[18];

  static const unsigned short int _second_order_vertex_child_index[18];
};



// ------------------------------------------------------------
// Prism class member functions
inline
Prism::Prism(const unsigned int nn, Elem* p, Node** nodelinkdata) :
  Cell(nn, Prism::n_sides(), p, _elemlinks_data, nodelinkdata)
{
}

} // namespace libMesh

#endif // LIBMESH_CELL_PRISM_H

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Last modified: February 05 2013 19:54:45 UTC

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