RDF.XSD.Numeric.subtract
You're seeing just the function
subtract
, go back to RDF.XSD.Numeric module for more information.
Subtracts two numeric literals.
For xsd:float
or xsd:double
values, if one of the operands is a zero or a
finite number and the other is INF or -INF, an infinity of the appropriate sign
is returned. If both operands are INF or -INF, NaN is returned. If one of the
operands is INF and the other is -INF, an infinity of the appropriate sign is
returned.
If one of the given arguments is not a numeric literal or a value which
can be coerced into a numeric literal, nil
is returned.
see http://www.w3.org/TR/xpath-functions/#func-numeric-subtract