Errata exists for this version of the document.

Floating point values are encoded using one of the XML floating point types. The mappings between the OPC UA floating point types and XML schema data types are shown in Table 19.

Table 19 – XML Data Type Mappings for Floating Points

Name	XML Type
Float	xs:float
Double	xs:double

The XML floating point type supports positive infinity (INF), negative infinity (-INF) and not-a-number (NaN).