.. _abs:

===
abs
=== 

The absolute value

Description
~~~~~~~~~~~
The fn:abs function accepts any numeric value and returns its absolute value. 
The result type depends the numeric type of the argument. If $arg is untyped, it 
is cast to xs:double.

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   * - **Parameters**
     - **Description**
   * - arg:numeric()
     - 

Examples
~~~~~~~~
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   * - **XPath**
     - **Results**
   * - abs(3.5)
     - 3.5
   * - abs(-4)
     - 4
   * - abs(xs:float('-INF'))
     - INF