test_torch.py 文件源码

def test_neg(self):
        a = torch.randn(100, 90)
        zeros = torch.Tensor().resize_as_(a).zero_()

        res_add = torch.add(zeros, -1, a)
        res_neg = a.clone()
        res_neg.neg_()
        self.assertEqual(res_neg, res_add)