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round

round

Returns the number with no fractional part that is closest to the argument. If there are two such numbers, the one that is closest to positive infinity is returned. If type of argument is one of the four numeric types

xs:float

,

xs:double

,

xs:decimal

, or

xs:integer

, the type of the result is the same as the type of argument. If the type of argument is a type derived from one of the numeric types, the result is an instance of the base numeric type.

Syntax

fn:round(arg)

The following table describes the argument for this command:

Argument	Required/Optional	Description
arg	Required	Numeric datatype. Returns the number with no fractional part that is closest to the argument. You can enter any valid expression.

Return Value

Numeric value.

If one of the arguments is NULL, ROUND returns NULL.

Examples

The following table lists some sample values and return values:

SAMPLE FUNCTION	OUTPUT
fn:round(5)	5
fn:round(5.1)	5
fn:round(5.5)	6
fn:round(-5.5)	-5
fn:round(-5.51)	-6

Numbers functions

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