code: def convert(self, vroot, entry_variables):
          
          self.graph_info = GraphInfo(vroot)
          self.entry_variables = entry_variables
  
          with nn.parameter_scope(self.name):
              # Function loop in the forward order
              for t, func in enumerate(self.graph_info.funcs):
                  if func.name in self.inner_prod_functions:
                      inner_prod_func = func
                      o = self._fixed_point_weight_conversion(inner_prod_func)
                      continue
                  # Identity conversion
                  o = self._identity_conversion(func)
  
          self.end_variable = o
  
          if self.call_forward:
              o.forward(clear_buffer=True)
          return self.end_variable
docs: All functions are replaced with the same `new` function.
  
          Args:
              vroot (:obj:`Variable`): NNabla Variable
              entry_variables (:obj:`Variable`): Entry variable from which the conversion starts.