code: def _reduced_call(self, **params_to_override):
          
          p=param.ParamOverrides(self,params_to_override)
  
          fn_result = self.function(p)
          self._apply_mask(p,fn_result)
          result = p.scale*fn_result+p.offset
          return result
docs: Simplified version of PatternGenerator's __call__ method.