PyTorch 中的 isclose

import torchtensor1 = torch.tensor([1.00001001, 1.00000996, 1.00000995, torch.nan])tensor2 = torch.tensor([1., 1., 1., torch.nan])torch.isclose(input=tensor1, other=tensor2)torch.isclose(input=tensor1, other=tensor2,              rtol=1e-05, atol=1e-08, equal_nan=False)            # 0.00001   # 0.00000001tensor1.isclose(other=tensor2)torch.isclose(input=tensor2, other=tensor1)# tensor([False, False, True, False])torch.isclose(input=tensor1, other=tensor2, equal_nan=True)# tensor([False, False, True, True])tensor1 = torch.tensor([[1.00001001, 1.00000996],                        [1.00000995, torch.nan]])tensor2 = torch.tensor([[1., 1.],                        [1., torch.nan]])torch.isclose(input=tensor1, other=tensor2)torch.isclose(input=tensor2, other=tensor1)# tensor([[False, False],#         [True, False]])tensor1 = torch.tensor([[[1.00001001],                         [1.00000996]],                        [[1.00000995],                         [torch.nan]]])tensor2 = torch.tensor([[[1.], [1.]],                        [[1.], [torch.nan]]])torch.isclose(input=tensor1, other=tensor2)torch.isclose(input=tensor2, other=tensor1)# tensor([[[False], [False]],#         [[True], [False]]])tensor1 = torch.tensor([[1.00001001, 1.00000996],                        [1.00000995, torch.nan]])tensor2 = torch.tensor([1., 1.])torch.isclose(input=tensor1, other=tensor2)torch.isclose(input=tensor2, other=tensor1)# tensor([[False, False],#         [True, False]])tensor1 = torch.tensor([[1.00001001, 1.00000996],                        [1.00000995, torch.nan]])tensor2 = torch.tensor(1.)torch.isclose(input=tensor1, other=tensor2)torch.isclose(input=tensor2, other=tensor1)# tensor([[False, False],#         [True, False]])tensor1 = torch.tensor([0, 1, 2])tensor2 = torch.tensor(1)torch.isclose(input=tensor1, other=tensor2)# tensor([False, True, False])tensor1 = torch.tensor([0.+0.j, 1.+0.j, 2.+0.j])tensor2 = torch.tensor(1.+0.j)torch.isclose(input=tensor1, other=tensor2)# tensor([False, True, False])tensor1 = torch.tensor([False, True, False])tensor2 = torch.tensor(True)torch.isclose(input=tensor1, other=tensor2)# tensor([False, True, False])