fn: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.
This description is © Copyright 2007, Priscilla Walmsley. 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
| XQuery Example | Results |
|---|---|
abs(3.5) |
3.5 |
abs(-4) |
4 |
abs(xs:float('-INF')) |
INF |
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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