[xquery-talk] Literal NaN

David Lee dlee at calldei.com
Mon Feb 28 11:46:14 PST 2011

Ah !!! That's creative !

David A. Lee
dlee at calldei.com

-----Original Message-----
From: talk-bounces at x-query.com [mailto:talk-bounces at x-query.com] On Behalf
Of David Carlisle
Sent: Monday, February 28, 2011 11:37 AM
To: David Lee
Cc: talk at x-query.com
Subject: Re: [xquery-talk] Literal NaN

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.


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