[xquery-talk] Literal NaN

[John Snelson]

You can also use deep-equal():

deep-equal($x, xs:double("NaN"))

John

On 28 Feb 2011, at 16:36, David Carlisle wrote:

> On 25/02/2011 15:29, David Lee wrote:
> 
>> Or have to use conversion to string , or maybe something equally obtuse
>> 
>> 
> 
> You can test if $x is a NaN using the predicate $x = $x which is false 
> for NaN and true for other numeric values.
> 
> David