class numpy.finfo

numpy.issubsctype(arg1, arg2)

numpy.min_scalar_type(a) For scalar a, returns the data type with the smallest size and smallest scalar

numpy.obj2sctype(rep, default=None)

numpy.result_type(*arrays_and_dtypes) Returns the type that results from applying the NumPy type promotion rules to the arguments

numpy.issubclass_(arg1, arg2)

class numpy.iinfo(type)

numpy.typename(char)

numpy.issctype(rep)