REFPROP.h

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#ifndef REFPROP_H
#define REFPROP_H
        
        class REFPROPFluidClass: public Fluid
        {
        private:
                std::vector<double> xmol;
                static bool supported;

        public:
                REFPROPFluidClass();
                REFPROPFluidClass(std::string FluidName, std::vector<double> xmol);

                double R(void){return params.R_u/params.molemass;};
                static bool refpropSupported();

                double phir(double tau, double delta);
                double dphir_dDelta(double tau, double delta);
                double dphir_dTau(double tau, double delta);
                double d2phir_dDelta_dTau(double tau, double delta);
                double d2phir_dDelta2(double tau, double delta);
                double d2phir_dTau2(double tau, double delta);

                double phi0(double tau, double delta);
                double dphi0_dTau(double tau, double delta);
                double d2phi0_dTau2(double tau, double delta);

                double viscosity_Trho(double T, double rho);
                double conductivity_Trho(double T, double rho);
                double surface_tension_T(double T);

                void saturation_T(double T, bool UseLUT, double &psatLout, double &psatVout, double &rhosatLout, double &rhosatVout);
                void saturation_p(double p, bool UseLUT, double &TsatLout, double &TsatVout, double &rhosatLout, double &rhosatVout);

                // Flash routines
                void temperature_ph(double p, double h, double &Tout, double &rhoout, double &rhoLout, double &rhoVout, double &TsatLout, double &TsatVout, double T0, double rho0);
                void temperature_ps(double p, double s, double &Tout, double &rhoout, double &rhoLout, double &rhoVout, double &TsatLout, double &TsatVout);
                void temperature_hs(double h, double s, double &Tout, double &rhoout, double &rhoLout, double &rhoVout, double &TsatLout, double &TsatVout);
                double density_Tp(double T, double p);
                double density_Tp(double T, double p, double rho_guess);

                double psat(double T);
                double rhosatL(double T);
                double rhosatV(double T);

        };
        bool set_REFPROP_fluid(std::string Ref, std::vector<double> &x);
        std::string get_REFPROP_fluid_path();

    double REFPROPSI(long iOutput,     long iName1,       double iProp1, long iName2, double iProp2, std::string Ref);
        double REFPROP(char Output,        char Name1,        double Prop1, char Name2,        double Prop2, char * Ref);
        double REFPROP(std::string Output, std::string Name1, double Prop1, std::string Name2, double Prop2, std::string Ref);

#endif