mindspore/docs/api/api_python/ops/mindspore.ops.func_sgn.rst

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mindspore.ops.sgn
==================
.. py:function:: mindspore.ops.sgn(x)
此方法为 :func:`mindspore.ops.sign` 在复数Tensor上的扩展。
.. math::
\text{out}_{i} = \begin{cases}
0 & |\text{x}_i| == 0 \\
\frac{{\text{x}_i}}{|{\text{x}_i}|} & \text{otherwise}
\end{cases}
参数:
- **x** (Tensor) - 输入Tensor。
返回:
Tensor `x` 的sgn计算结果。
异常:
- **TypeError** - 如果 `x` 不是Tensor。