environment.h

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//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Copyright (C) 2020 - 2026 by the ryujin authors
//
 
#pragma once
 
#include <ryujin/base/compile_time_options.h>
 
#include <deal.II/base/mpi.h>
 
#include <optional>
 
namespace ryujin
{
  class Environment final
  {
  public:
    Environment(int &argc, char **&argv);
 
    Environment(const Environment &) = delete;
    Environment &operator=(const Environment &) = delete;
 
    ~Environment();
 
    MPI_Comm mpi_communicator() const
    {
      return MPI_COMM_WORLD;
    }
 
  private:
    std::optional<dealii::Utilities::MPI::MPI_InitFinalize> mpi_initialization_;
  };
} // namespace ryujin