function der_saturationHumidityRatio_phxi extends TILMedia.BaseClasses.PartialGasObjectFunction; input SI.AbsolutePressure p "Pressure"; input SI.SpecificEnthalpy h "Specific enthalpy"; input SI.MassFraction xi[:] "Mass fraction"; input TILMedia.Internals.TILMediaExternalObject gasPointer; input Real der_p "Pressure"; input Real der_h "Specific enthalpy"; input Real der_xi[:] "Mass fraction"; output Real der_humRatio_s "Saturation humidity ratio"; end der_saturationHumidityRatio_phxi;