parabolic_system.h

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//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Copyright (C) 2026 by the ryujin authors
//
 
#pragma once
 
#include <ryujin/base/compile_time_options.h>
#include <ryujin/base/convenience_macros.h>
 
#include <deal.II/base/exceptions.h>
#include <deal.II/base/parameter_acceptor.h>
 
#include <array>
#include <string>
#include <vector>
 
namespace ryujin
{
  namespace Interface
  {
    class ParabolicSystem : public dealii::ParameterAcceptor
    {
    public:
      ACCESSOR_READ_ONLY(problem_name)
 
      
      using Names = std::array<std::vector<std::string>, 3>;
 
      const std::vector<std::string> &state_names(const unsigned int dim) const
      {
        AssertIndexRange(dim - 1, 3);
        return state_names_[dim - 1];
      }
 
      const std::vector<std::string> &
      precomputed_names(const unsigned int dim) const
      {
        AssertIndexRange(dim - 1, 3);
        return precomputed_names_[dim - 1];
      }
 
      ACCESSOR_READ_ONLY(is_identity)
 
    protected:
      ParabolicSystem(const std::string &problem_name,
                      const Names &state_names,
                      const Names &precomputed_names,
                      const std::string &subsection)
          : ParameterAcceptor(subsection)
          , problem_name_(problem_name)
          , state_names_(state_names)
          , precomputed_names_(precomputed_names)
          , is_identity_(false)
      {
      }
 
      std::string problem_name_;
 
      Names state_names_;
 
      Names precomputed_names_;
 
      bool is_identity_;
    };
  } // namespace Interface
} // namespace ryujin