Function LGBM_BoosterPredictForCSRSingleRow

src/c_api.cpp:1386–1416

}

int LGBM_BoosterPredictForCSRSingleRow(BoosterHandle handle,
                                       const void* indptr,
                                       int indptr_type,
                                       const int32_t* indices,
                                       const void* data,
                                       int data_type,
                                       int64_t nindptr,
                                       int64_t nelem,
                                       int64_t num_col,
                                       int predict_type,
                                       int num_iteration,
                                       const char* parameter,
                                       int64_t* out_len,
                                       double* out_result) {
  API_BEGIN();
  if (num_col <= 0) {
    Log::Fatal("The number of columns should be greater than zero.");
  } else if (num_col >= INT32_MAX) {
    Log::Fatal("The number of columns should be smaller than INT32_MAX.");
  }
  auto param = Config::Str2Map(parameter);
  Config config;
  config.Set(param);
  if (config.num_threads > 0) {
    omp_set_num_threads(config.num_threads);
  }
  Booster* ref_booster = reinterpret_cast<Booster*>(handle);
  auto get_row_fun = RowFunctionFromCSR(indptr, indptr_type, indices, data, data_type, nindptr, nelem);
  ref_booster->PredictSingleRow(num_iteration, predict_type, static_cast<int32_t>(num_col), get_row_fun, config, out_result, out_len);
  API_END();
}


int LGBM_BoosterPredictForCSC(BoosterHandle handle,