tf-keras-skeleton.py 文件源码

def sqrt(x):
      """Element-wise square root.

      Arguments:
          x: Tensor or variable.

      Returns:
          A tensor.
      """
      zero = _to_tensor(0., x.dtype.base_dtype)
      inf = _to_tensor(np.inf, x.dtype.base_dtype)
      x = clip_ops.clip_by_value(x, zero, inf)
      return math_ops.sqrt(x)