IBM Cognos User Manual page 380

An integer_exp value acts on the digits to the left of the decimal point. An
integer_exp value of zero rounds the number and removes the decimal places.
Syntax
round-up (numeric_exp, integer_exp)
Examples
round-up (-113.6667, 0)
Returns the result: -113
round-up (-113.6667, 1)
Returns the result: -113.6
round-up (-113.6667, -1)
Returns the result: -110
round-up (-113.6667, -2)
Returns the result: -100
round-up (366.2162, 0)
Returns the result: 367
round-up (366.2162, 1)
Returns the result: 366.3
round-up (366.2162, -1)
Returns the result: 370
round-up (366.2162, -2)
Returns the result: 400
Round-Zero
Returns a number rounded toward zero.
The integer_exp value determines the position that is rounded. A positive
integer_exp value acts on the digits to the right of the decimal point. A negative
integer_exp value acts on the digits to the left of the decimal point. An integer_exp
value of zero rounds the number and removes the decimal places.
Syntax
round-zero (numeric_exp, integer_exp)
Examples
round-zero (-113.6667, 0)
Returns the result: -113
round-zero (-113.6667, 1)
Returns the result: -113.6
round-zero (-113.6667, -1)
Returns the result: -110
round-zero (-113.6667, -2)
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IBM Cognos Transformer Version 10.1.1: User Guide