FunctX XSLT Functions

FunctX XSLT Function Library > Numbers > Rounding >

fn:round

Rounds a numeric value

Description

The fn:round function is used to round a numeric value to the nearest integer. If the decimal portion of the number is .5 or greater, it is rounded up to the greater whole number (even if it is negative), otherwise it is rounded down.

The result type depends the numeric type of the argument. If $arg is untyped, it is cast to xs:double.

This description is © Copyright 2007, O'Reilly Media. It is excerpted from the book XQuery by Priscilla Walmsley, O'Reilly, 2007. For a complete explanation of this function, please refer to Appendix A of the book.

Arguments and Return Type

Name	Type
`$arg`	`numeric?`
return value	`numeric?`

Examples

XSLT Example	Results
`round(5)`	`5`
`round(5.1)`	`5`
`round(5.5)`	`6`
`round(-5.5)`	`-5`
`round(-5.51)`	`-6`

History

Published On	Last Updated	Contributor(s)
2006-06-27	2007-02-26	W3C, XQuery 1.0 and XPath 2.0 Functions and Operators, http://www.w3.org/TR/xpath-functions/

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