def check_backward(self, x_data, y_grad, axis=None, keepdims=False):
gradient_check.check_backward(functions.Max(axis, keepdims),
x_data,
y_grad,
eps=1e-5,
rtol=1e-3,
atol=1e-3)
def test_duplicate_axis(self):
with self.assertRaises(ValueError):
functions.Max((0, 0))
def test_invalid_axis_type_in_tuple(self):
with self.assertRaises(TypeError):
functions.Max((1, 'x'))
def test_invalid_axis_type(self):
with self.assertRaises(TypeError):
functions.Max([0])
