Test if a value is numeric.

def is_numeric(value):
        """Test if a value is numeric.
        """
        return type(value) in [
            int,
            float,
            
            np.int8,
            np.int16,
            np.int32,
            np.int64,

            np.float16,
            np.float32,
            np.float64,
            np.float128
        ]