fn:floor
Rounds down to the next lowest integer
Description
The fn:floor function returns the largest integer that is not greater than $arg. 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 |
|---|---|
floor(5) |
5 |
floor(5.1) |
5 |
floor(5.7) |
5 |
floor(-5.1) |
-6 |
floor(-5.7) |
-6 |
floor( () ) |
() |
See Also
| fn:ceiling | Rounds up to the next highest integer |
| fn:round | Rounds a numeric value |
| fn:round-half-to-even | Rounds a numeric value, rounding even halfs to the nearest even number |
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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