fn:abs

Returns the absolute value of a given number. Returns the same type as the supplied argument.

Available in XPath 2.0, XSLT 2.0, XQuery 1.0, and later versions. Available in all Saxon editions.

abs($arg as xs:numeric?) ➔ xs:numeric?

Arguments

$arg

xs:numeric? The input value

Result

xs:numeric?

Namespace

http://www.w3.org/2005/xpath-functions

Links to W3C specifications

• XPath 2.0 Functions and Operators
• XPath 3.0 Functions and Operators
• XPath 3.1 Functions and Operators

Notes on the Saxon implementation

Saxon also (for compatibility) implements the function math:abs() in namespace http://exslt.org/math.

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