numpy.issubdtype¶

numpy.issubdtype(arg1,arg2)[source]¶

Returns True if first argument is a typecode lower/equal in type hierarchy.

Parameters:	arg1, arg2:dtype_like dtype or string representing a typecode.
Returns:	out:bool

See also

issubsctype,issubclass_

numpy.core.numerictypes

Overview of numpy type hierarchy.

Examples

>>>np.issubdtype('S1',np.string_)True>>>np.issubdtype(np.float64,np.float32)False