barotropic_equation_of_state.h

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//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Copyright (C) 2025 - 2026 by the ryujin authors
//
 
#pragma once
 
#include <ryujin/base/compile_time_options.h>
#include <ryujin/base/convenience_macros.h>
 
#include <deal.II/base/array_view.h>
#include <deal.II/base/exceptions.h>
#include <deal.II/base/parameter_acceptor.h>
#include <deal.II/base/tensor.h>
 
#include <string>
 
namespace ryujin
{
  class BarotropicEquationOfState : public dealii::ParameterAcceptor
  {
  public:
    BarotropicEquationOfState(const std::string &name,
                              const std::string &subsection)
        : ParameterAcceptor(subsection + "/" + name)
        , name_(name)
    {
    }
 
    virtual double specific_internal_energy(double rho) const = 0;
 
    virtual double pressure(double rho) const = 0;
 
    virtual double speed_of_sound(double rho) const = 0;
 
    ACCESSOR_READ_ONLY(name)
 
  private:
    const std::string name_;
  };
} // namespace ryujin