The round() function

Smartsite 7.4 - ...

The round() XPath 2.0 function rounds arg to a whole number.

XML	Copy Code
numeric fn:round(arg)

Parameters:

arg: a node reference or literal.

Example

XML	Copy Code
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xf="http://www.w3.org/2002/xforms" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <head> <title>Example</title> <xf:model> <xf:instance> <data xmlns=""> <pos>10.5</pos> <neg>-10.5</neg> </data> </xf:instance> </xf:model> </head> <body> <xf:group> <xf:output value="fn:round(pos)" /> <xf:output value="fn:round(neg)" /> <xf:output value="fn:round(2.5)" /> <xf:output value="fn:round(2.49999)" /> <xf:output value="fn:round(-2.5)" /> </xf:group> </body> </html>

XML

Copy Code

<html xmlns="http://www.w3.org/1999/xhtml" 
 xmlns:xf="http://www.w3.org/2002/xforms" 
 xmlns:fn="http://www.w3.org/2005/xpath-functions"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 <head>
  <title>Example</title>
  <xf:model>
   <xf:instance>
    <data xmlns="">
     <pos>10.5</pos>
     <neg>-10.5</neg>
    </data>
   </xf:instance>
  </xf:model>
 </head>
 <body>
  <xf:group>
   <xf:output value="fn:round(pos)" />
   <xf:output value="fn:round(neg)" />
   <xf:output value="fn:round(2.5)" />
   <xf:output value="fn:round(2.49999)" />
   <xf:output value="fn:round(-2.5)" />
  </xf:group>
 </body>
</html>

The result will be:

11
-10
3
2
-2

Namespace

This function is available within the XPath 2.0 namespace (http://www.w3.org/2005/xpath-functions).

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