export module mean_field:eos.base;

export namespace mean_field::eos {
    class EquationOfState {
    public:
        virtual ~EquationOfState()                                                            = default;
        [[nodiscard]] virtual double pressure_from_density(double density) const              = 0;
        [[nodiscard]] virtual double pressure_from_enthalpy(double enthalpy) const            = 0;
        [[nodiscard]] virtual double enthalpy_from_density(double density) const              = 0;
        [[nodiscard]] virtual double enthalpy_from_pressure(double pressure) const            = 0;
        [[nodiscard]] virtual double density_from_enthalpy(double enthalpy) const             = 0;
        [[nodiscard]] virtual double density_derivative_from_enthalpy(double enthalpy) const  = 0;
        [[nodiscard]] virtual double pressure_derivative_from_enthalpy(double enthalpy) const = 0;
        [[nodiscard]] virtual double pressure_derivative_from_density(double density) const   = 0;
    };
} // namespace mean_field::eos