parameters: (self, x, y)
return_statement: return cur
docstring: Return a<b, where a and b are CTensor.
docstring_summary: Return a<b, where a and b are CTensor.
docstring_tokens: Return a<b where a and b are CTensor .
function: def forward(self, x, y):
          """
          Return a<b, where a and b are CTensor.
          """
          cur = singa.LTFloat(singa.__sub__(x, y), 0)
          if training:
              self.cache = cur
          return cur
function_tokens: def forward ( self , x , y ) : cur = singa . LTFloat ( singa . __sub__ ( x , y ) , 0 ) if training : self . cache = cur return cur