fn:abs

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

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 3.1 Functions and Operators

Saxon availability

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

Notes on the Saxon implementation

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