Method status_to_string

uno/optimization/Direction.cpp:40–51

   }

   std::string Direction::status_to_string(SubproblemStatus status) {
      switch (status) {
         case SubproblemStatus::OPTIMAL:
            return "optimal";
         case SubproblemStatus::UNBOUNDED_PROBLEM:
            return "unbounded subproblem";
         case SubproblemStatus::INFEASIBLE:
            return "infeasible subproblem";
         default:
            return "unknown status, something went wrong";
      }
   }
} // namespace