ndi.validators.mustBeNumericClass

 mustBeNumericClass Validates that the input is a valid numeric or logical class name.
    mustBeNumericClass(className) throws an error if className is not one
    of the following character vectors or strings:
    'uint8', 'uint16', 'uint32', 'uint64', 'int8', 'int16', 'int32',
    'int64', 'single', 'double', or 'logical'.