IfaceType.h

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/***************************************************************************
 *  ThunderEgg, a library for solvers on adaptively refined block-structured
 *  Cartesian grids.
 *
 *  Copyright (c) 2017-2021 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_SCHUR_IFACETYPE_H
#define THUNDEREGG_SCHUR_IFACETYPE_H
 
#include <ThunderEgg/Orthant.h>
#include <tuple>
namespace ThunderEgg {
namespace Schur {
template<int D>
class IfaceType
{
private:
  unsigned char val = 10;
  Orthant<D - 1> orthant = Orthant<D - 1>::null();
 
  IfaceType(unsigned char val, Orthant<D - 1> orthant)
    : val(val)
    , orthant(orthant)
  {}
 
public:
  static IfaceType<D> Normal() { return IfaceType<D>(0, Orthant<D - 1>::null()); }
  bool isNormal() const { return val == 0; }
  static IfaceType<D> CoarseToCoarse() { return IfaceType<D>(1, Orthant<D - 1>::null()); }
  bool isCoarseToCoarse() const { return val == 1; }
  static IfaceType<D> FineToCoarse(Orthant<D - 1> orth_on_coarse)
  {
    return IfaceType<D>(2, orth_on_coarse);
  }
  bool isFineToCoarse() const { return val == 2; }
  static IfaceType<D> FineToFine(Orthant<D - 1> orth_on_coarse)
  {
    return IfaceType<D>(3, orth_on_coarse);
  }
  bool isFineToFine() const { return val == 3; }
  static IfaceType<D> CoarseToFine(Orthant<D - 1> orthant) { return IfaceType<D>(4, orthant); }
  bool isCoarseToFine() const { return val == 4; }
  IfaceType() = default;
  Orthant<D - 1> getOrthant() const { return orthant; }
  void setOrthant(Orthant<D - 1> orthant) { this->orthant = orthant; }
  bool operator<(const IfaceType& b) const
  {
    return std::forward_as_tuple(val, orthant) < std::forward_as_tuple(b.val, b.orthant);
  }
};
} // namespace Schur
} // namespace ThunderEgg
#endif