saxon:is-NaN
Returns true if the value of the argument is NaN.
is-NaN($input as xs:anyAtomicType) ➔ xs:boolean
Arguments | |||
| $input | xs:anyAtomicType | The supplied value |
Result | xs:boolean | ||
Namespace
http://saxon.sf.net/
Notes on the Saxon implementation
Available since Saxon 10.
Details
This function takes as input a single atomic value, and returns true if
the value is the xs:double or xs:float
value NaN.
For example, the call saxon:is-NaN(number("N/A")) returns true.