kelly_error_estimator.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_KELLY_ERROR_ESTIMATOR_H
#define LIBMESH_KELLY_ERROR_ESTIMATOR_H
 
// Local Includes
#include "libmesh/jump_error_estimator.h"
 
// C++ includes
#include <cstddef>
#include <string>
#include <vector>
 
namespace libMesh
{
 
// Forward Declarations
class Point;
 
class KellyErrorEstimator : public JumpErrorEstimator
{
public:
 
  KellyErrorEstimator();
 
  KellyErrorEstimator (const KellyErrorEstimator &) = delete;
  KellyErrorEstimator & operator= (const KellyErrorEstimator &) = delete;
 
  KellyErrorEstimator (KellyErrorEstimator &&) = default;
  KellyErrorEstimator & operator= (KellyErrorEstimator &&) = default;
  virtual ~KellyErrorEstimator() = default;
 
  void attach_flux_bc_function (std::pair<bool,Real> fptr(const System & system,
                                                          const Point & p,
                                                          const std::string & var_name));
 
  virtual ErrorEstimatorType type() const override;
 
protected:
 
  virtual void init_context(FEMContext & c) override;
 
  virtual void internal_side_integration() override;
 
  virtual bool boundary_side_integration() override;
 
  std::pair<bool,Real> (* _bc_function) (const System & system,
                                         const Point & p,
                                         const std::string & var_name);
};
 
 
} // namespace libMesh
 
#endif // LIBMESH_KELLY_ERROR_ESTIMATOR_H