isNanInf# swordfish.function.isNanInf()# Check each element in X to see if it is a NaN/Inf value. 参数: X (Constant) -- A DOUBLE type scalar, vector or matrix. includeNull (Constant) -- A BOOLEAN. 返回: 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. 返回类型: Constant