Method SaveModelToIfElse

src/boosting/gbdt_model_text.cpp:226–249

}

bool GBDT::SaveModelToIfElse(int num_iteration, const char* filename) const {
  /*! \brief File to write models */
  std::ofstream output_file;
  std::ifstream ifs(filename);
  if (ifs.good()) {
    std::string origin((std::istreambuf_iterator<char>(ifs)),
      (std::istreambuf_iterator<char>()));
    output_file.open(filename);
    output_file << "#define USE_HARD_CODE 0" << '\n';
    output_file << "#ifndef USE_HARD_CODE" << '\n';
    output_file << origin << '\n';
    output_file << "#else" << '\n';
    output_file << ModelToIfElse(num_iteration);
    output_file << "#endif" << '\n';
  } else {
    output_file.open(filename);
    output_file << ModelToIfElse(num_iteration);
  }

  ifs.close();
  output_file.close();

  return static_cast<bool>(output_file);
}

std::string GBDT::SaveModelToString(int start_iteration, int num_iteration) const {
  std::stringstream ss;