function humidityRatio_pTphixidg extends TILMedia.BaseClasses.PartialGasObjectFunction; input SI.AbsolutePressure p "Pressure"; input SI.Temperature T "Temperature"; input TILMedia.Internals.Units.RelativeHumidity phi "Relative humidity"; input SI.MassFraction xi_dryGas[:] "Mass fraction of dry gas"; input TILMedia.Internals.TILMediaExternalObject gasPointer; output Real humRatio "Humidity ratio"; end humidityRatio_pTphixidg;