isNanInf# swordfish.function.isNanInf()# Check each element in X to see if it is a NaN/Inf value. Parameters: X (Constant) – A DOUBLE type scalar, vector or matrix. includeNull (Constant) – A BOOLEAN. Returns: A BOOLEAN type of the same length as X. If includeNull is set to true, null values will return true. The default value of includeNull is false. Return type: Constant