lb/Implementation.hpp

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/*
 * Copyright (C) 2023 The ESPResSo project
 *
 * This file is part of ESPResSo.
 *
 * ESPResSo 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.
 *
 * ESPResSo 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 <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "config/config.hpp"
 
#include "lb/Solver.hpp"
 
#include "lb/LBNone.hpp"
#include "lb/LBWalberla.hpp"
 
#include <memory>
#include <optional>
#include <variant>
 
namespace LB {
 
using HydrodynamicsActor = std::variant<
#ifdef WALBERLA
    std::shared_ptr<LBWalberla>,
#endif
    std::shared_ptr<LBNone>>;
 
struct Solver::Implementation {
  /// @brief Main hydrodynamics solver.
  std::optional<HydrodynamicsActor> solver;
 
  Implementation() : solver{} {}
};
 
} // namespace LB