parameters: (x)
return_statement: return math_ops.sign(x)
docstring: Element-wise sign.
  
    Args:
        x: Tensor or variable.
  
    Returns:
        A tensor.
docstring_summary: Element-wise sign.
docstring_tokens: Element - wise sign .
function: def sign(x):
    """Element-wise sign.
  
    Args:
        x: Tensor or variable.
  
    Returns:
        A tensor.
    """
    return math_ops.sign(x)
function_tokens: def sign ( x ) : return math_ops . sign ( x )