message: Fix AUC without the threshold problem
diff: @@ -155,7 +155,7 @@ SolverParser::SolverParser(const std::string& file) : configure_file(file) {
  break;
  }
  case metrics::Type::AUC: {
  - float val = std::stof(metric_strs[1]);
  + float val = (metric_strs.size() == 1)? 1.f : std::stof(metric_strs[1]);
  if (val < 0.0 || val > 1.0) {
  CK_THROW_(Error_t::WrongInput, "0 <= AUC threshold <= 1 is not true");
  }
  