parameters: (self, a)
return_statement: return singa.Sign(a)
docstring: Args:
              a (CTensor): Input tensor
          Returns:
              CTensor, the output
docstring_summary: Args:
              a (CTensor): Input tensor
          Returns:
              CTensor, the output
docstring_tokens: Args : a ( CTensor ) : Input tensor Returns : CTensor the output
function: def forward(self, a):
          """
          Args:
              a (CTensor): Input tensor
          Returns:
              CTensor, the output
          """
          if training:
              self.input = a
          return singa.Sign(a)
function_tokens: def forward ( self , a ) : if training : self . input = a return singa . Sign ( a )