face.h

Go to the documentation of this file.

// 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_H
#define LIBMESH_FACE_H

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


namespace libMesh
{

// Forward declarations
class Mesh;



class Face : public Elem
{
public:

  Face (const unsigned int nn,
        const unsigned int ns,
        Elem* p,
        Elem** elemlinkdata,
        Node** nodelinkdata) :
    Elem(nn, ns, p, elemlinkdata, nodelinkdata) {}

  unsigned int dim () const { return 2; }

  unsigned int n_faces() const { return 0; }

  UniquePtr<Elem> build_edge (const unsigned int i) const
  { return build_side(i); }

  /*
   * is_edge_on_side is trivial in 2D
   */
  virtual bool is_edge_on_side(const unsigned int e,
                               const unsigned int s) const
  { return (e == s); }

  //   /**
  //    * @returns 2
  //    */
  //   unsigned int n_children_per_side(const unsigned int) const { return 2; }

#ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS

  bool infinite () const { return false; }

#endif

};

} // namespace libMesh

#endif // LIBMESH_FACE_H