Restrictor.h

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/***************************************************************************
 *  ThunderEgg, a library for solvers on adaptively refined block-structured
 *  Cartesian grids.
 *
 *  Copyright (c) 2018-2021 Scott Aiton
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 ***************************************************************************/
 
#ifndef THUNDEREGG_GMG_RESTRICTOR_H
#define THUNDEREGG_GMG_RESTRICTOR_H
 
#include <ThunderEgg/Vector.h>
 
namespace ThunderEgg::GMG {
template<int D>
class Restrictor
{
public:
  virtual ~Restrictor() {}
  virtual Restrictor<D>* clone() const = 0;
  virtual Vector<D> restrict(const Vector<D>& fine) const = 0;
};
} // namespace ThunderEgg::GMG
#endif