The SUM function returns a value that is the sum of the arguments. The type of this function depends upon the argument type as follows:
| Argument Type
| Function Type
|
| All arguments integer
| Integer
|
| Numeric (some arguments may be integer)
| Numeric |
FUNCTION SUM ({argument-1} ... )
Parameters
Argument-1 must be class numeric.
Returned Values
1. The returned value is the sum of the arguments.
2. If the argument-1 series are all integers, the value returned is an integer.
3. If the argument-1 series are not all integers, a numeric value is returned.