RANGE - Difference value

The RANGE function returns a value that is equal to the value of the maximum argument minus the value of the minimum argument.
The type of this function depends upon the argument types as follows:

Argument type	Function type
all arguments integer all arguments numeric mix of integer/numeric	integer numeric numeric

Format

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FUNCTION RANGE ({argument-1}...)

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Argument

1. argument-1 must be class "numeric".

Returned values

1. The returned value is equal to the greatest value of argument-1 minus the least value of argument-1. The comparisons used to determine the greatest and least values are made according to the rules for simple conditions.

2. The error default value is -1.

See also:        MIN, MAX, MEAN, MEDIAN, MIDRANGE, ORD-MAX, ORD-MIN, SUM

Example 9-38

...
DATA DIVISION.
WORKING-STORAGE SECTION.
01  RES PIC 9(3).
PROCEDURE DIVISION.
P1 SECTION.
MAIN.
    COMPUTE RES = FUNCTION RANGE (12 32 5 8 17 9).
    DISPLAY RES UPON T.
    STOP RUN.

Result:              027