Method Copy

src/learner.cc:283–298

}

void LearnerModelParam::Copy(LearnerModelParam const& that) {
  base_score_.Reshape(that.base_score_.Shape());
  base_score_.Data()->SetDevice(that.base_score_.Device());
  base_score_.Data()->Copy(*that.base_score_.Data());
  std::as_const(base_score_).HostView();
  if (!that.base_score_.Device().IsCPU()) {
    std::as_const(base_score_).View(that.base_score_.Device());
  }
  CHECK_EQ(base_score_.Data()->DeviceCanRead(), that.base_score_.Data()->DeviceCanRead());
  CHECK(base_score_.Data()->HostCanRead());

  num_feature = that.num_feature;
  num_output_group = that.num_output_group;
  task = that.task;
  multi_strategy = that.multi_strategy;
}

struct LearnerTrainParam : public XGBoostParameter<LearnerTrainParam> {
  // flag to disable default metric