104   void operator()(SparseMatrix* jacobian, int num_parameters) {}  in operator()
256       const int num_parameters = program_->NumEffectiveParameters();  in Evaluate()  local
261         VectorRef(gradient, num_parameters).setZero();  in Evaluate()
266           VectorRef(gradient, num_parameters) +=  in Evaluate()
267               VectorRef(evaluate_scratch_[i].gradient.get(), num_parameters);  in Evaluate()
277         f(jacobian, num_parameters);  in Evaluate()
314               int num_parameters) {  in Init()
317       gradient.reset(new double[num_parameters]);  in Init()
318       VectorRef(gradient.get(), num_parameters).setZero();  in Init()
355     int num_parameters = program.NumEffectiveParameters();  in CreateEvaluatorScratch()  local
362                                num_parameters);  in CreateEvaluatorScratch()