Python | numpy.issubdtype() function (original) (raw)

Last Updated : 14 Mar, 2019

numpy.issubdtype() function is used to determine whether the first argument is a typecode lower/equal in type hierarchy from second argument.If the first argument is lower or equal it returns true, otherwise it returns false.

Syntax : numpy.issubdtype(arg1, arg2)

Parameters :
arg1, arg2 : [dtype_like] dtype or string representing a typecode.

Return : [bool] Boolean result.

Code #1 :

import numpy as geek

arg1 = geek.int64

arg2 = geek.int32

out_val = geek.issubdtype(arg1, arg2)

print ( "Is the first argument lower: " , out_val)

Output :

Is the first argument lower: False

Code #2 :

import numpy as geek

arg1 = 'S2'

arg2 = geek.string_

out_val = geek.issubdtype(arg1, arg2)

print ( "Is the first argument lower: " , out_val)

Output :

Is the first argument lower: True

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