In general, if a conversion fails, the original value with units are returned. This behavior can be changed so that a unit conversion if not possible, would return a null value. To do this, change the global variable UNITSFAILTONULL to true. | In general, if a conversion fails, the original value with units are returned. This behavior can be changed so that a unit conversion if not possible, would return a null value. To do this, change the global variable UNITSFAILTONULL to true. |