Function LGBM_BoosterUpdateOneIterCustom2

src/c_api.cpp:1203–1221

}

int LGBM_BoosterUpdateOneIterCustom2(BoosterHandle handle,
                                    const float* grad,
                                    const float* hess,
                                    const float* grad2,
                                    const float* hess2,
                                    int* is_finished) {
  API_BEGIN();
  Booster* ref_booster = reinterpret_cast<Booster*>(handle);
  #ifdef SCORE_T_USE_DOUBLE
  Log::Fatal("Don't support custom loss function when SCORE_T_USE_DOUBLE is enabled");
  #else
  if (ref_booster->TrainOneIter_new(grad, hess, grad2, hess2)) {
    *is_finished = 1;
  } else {
    *is_finished = 0;
  }
  #endif
  API_END();
}

int LGBM_BoosterRollbackOneIter(BoosterHandle handle) {
  API_BEGIN();