| 23 | |
| 24 | |
| 25 | class NestedTensor(object): |
| 26 | def __init__(self, tensors, mask: Optional[Tensor]): |
| 27 | self.tensors = tensors |
| 28 | self.mask = mask |
| 29 | |
| 30 | def to(self, device): |
| 31 | # type: (Device) -> NestedTensor # noqa |
| 32 | cast_tensor = self.tensors.to(device) |
| 33 | mask = self.mask |
| 34 | if mask is not None: |
| 35 | assert mask is not None |
| 36 | cast_mask = mask.to(device) |
| 37 | else: |
| 38 | cast_mask = None |
| 39 | return NestedTensor(cast_tensor, cast_mask) |
| 40 | |
| 41 | def decompose(self): |
| 42 | return self.tensors, self.mask |
| 43 | |
| 44 | def __repr__(self): |
| 45 | return str(self.tensors) |
| 46 | |
| 47 | |
| 48 | def nested_tensor_from_tensor_list(tensor_list: List[Tensor]): |
no outgoing calls
no test coverage detected