inf_fe_map.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2026 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_INF_FE_MAP_H
#define LIBMESH_INF_FE_MAP_H
 
#include "libmesh/libmesh_config.h"
 
#ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
 
// Local includes
#include "libmesh/fe_type.h"
#include "libmesh/point.h"
 
// C++ includes
#include <vector>
 
namespace libMesh
{
 
// forward declarations
class Elem;
class FEComputeData;
 
 
 
class InfFEMap
{
public:
  static Point map (const unsigned int dim,
                    const Elem * inf_elem,
                    const Point & reference_point);
 
  static Point inverse_map (const unsigned int dim,
                            const Elem * elem,
                            const Point & p,
                            const Real tolerance = TOLERANCE,
                            const bool secure = true);
 
 
  static void inverse_map (const unsigned int dim,
                           const Elem * elem,
                           const std::vector<Point> & physical_points,
                           std::vector<Point> &       reference_points,
                           const Real tolerance = TOLERANCE,
                           const bool secure = true);
 
  static Real eval(Real v,
                   Order o,
                   unsigned int i);
 
  static Real eval_deriv(Real v,
                         Order o,
                         unsigned int i);
};
 
 
} // namespace libMesh
 
 
#endif // ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
 
 
#endif // LIBMESH_INF_FE_MAP_H