abs

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

abs($arg as numeric?) ➔ numeric?

Arguments
	$arg	numeric?	The input value
Result		numeric?

Links to W3C specifications

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

Applies to: XPath 2.0, XSLT 2.0, XQuery 1.0 and later versions

XPath 2.0 Functions and Operators

XPath 3.0 Functions and Operators

Notes on the Saxon implementation

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