public void HumRatio_VapPres( UnitSystem system, double vapPres, double pressure, double expectedHumRatio, double humRatioWithin, double vapPresWithin) { var psy = new Psychrometrics(system); Assert.Multiple(() => { // conditions at 77 F, std atm pressure at 1000 ft; conditions at 25 C, std atm pressure at 500 m var calculatedHumRatio = psy.GetHumRatioFromVapPres(vapPres, pressure); RelativeDifference(calculatedHumRatio, expectedHumRatio, humRatioWithin, "GetHumRatioFromVapPres"); var calculatedVapPres = psy.GetVapPresFromHumRatio(calculatedHumRatio, pressure); RelativeDifference(calculatedVapPres, vapPres, vapPresWithin, "GetVapPresFromHumRatio"); }); }