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# sign()

Returns the sign of the tensor’s elements.

```
func sign() -> MLTensor
```

## Discussion

This operation returns `1.0` if the correspnding element is greater than `0`, `-1.0` if it is less than `0`,
`-0.0` if it is equal to `-0.0`, and `+0.0` if it is equal to `+0.0`.

---

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