Calculates the number of years (including fractions) between two dates
Introduced in release: 1.0 Component: Generic Purpose:
Calculates a double precision number representing the number of years between the two input dates, including fractional parts of a year.
Results:
The fractional part is calculated on the basis of the number of days in the first year. The integer part is the actual number of years between the two dates.
Error Conditions:
Returned values should be ignored for a non-zero status. See Errors.