void Add(const float* input1_data, const Dims<4>& input1_dims,
         const float* input2_data, const Dims<4>& input2_dims,
         float* output_data, const Dims<4>& output_dims) {
  float output_activation_min, output_activation_max;
  GetActivationMinMax(Ac, &output_activation_min, &output_activation_max);

  tflite::ArithmeticParams op_params;
  op_params.float_activation_min = output_activation_min;
  op_params.float_activation_max = output_activation_max;
  Add(op_params, DimsToShape(input1_dims), input1_data,
      DimsToShape(input2_dims), input2_data, DimsToShape(output_dims),
      output_data);
}
void Add(const float* input1_data, const Dims<4>& input1_dims,
         const float* input2_data, const Dims<4>& input2_dims,
         float* output_data, const Dims<4>& output_dims) {
  float output_activation_min, output_activation_max;
  GetActivationMinMax(Ac, &output_activation_min, &output_activation_max);

  tflite::ArithmeticParams op_params;
  op_params.float_activation_min = output_activation_min;
  op_params.float_activation_max = output_activation_max;
  Add(op_params, DimsToShape(input1_dims), input1_data,
      DimsToShape(input2_dims), input2_data, DimsToShape(output_dims),
      output_data);
}