partial function densityDerivativeWRTspecificEnthalpy_pTxi extends TILMedia.BaseClasses.PartialVLEFluidObjectFunction; input SI.AbsolutePressure p "Pressure"; input SI.Temperature T "Temperature"; input SI.MassFraction[:] xi "Mass fractions of the first nc-1 components"; input TILMedia.Internals.TILMediaExternalObject vleFluidPointer; output SI.DerDensityByEnthalpy drhodh_pxi "Derivative of density wrt specific enthalpy at constant pressure and mass fraction"; end densityDerivativeWRTspecificEnthalpy_pTxi;