Function LGBM_BoosterUpdateOneIter

src/c_api.cpp:1174–1183

}

int LGBM_BoosterUpdateOneIter(BoosterHandle handle, int* is_finished) {
  API_BEGIN();
  Booster* ref_booster = reinterpret_cast<Booster*>(handle);
  if (ref_booster->TrainOneIter()) {
    *is_finished = 1;
  } else {
    *is_finished = 0;
  }
  API_END();
}

int LGBM_BoosterUpdateOneIterCustom(BoosterHandle handle,
                                    const float* grad,