/* -*- mode: C++; indent-tabs-mode: nil; -*-

 /* -*- mode: C++; indent-tabs-mode: nil; -*-

  *

  *

  * This file is a part of LEMON, a generic C++ optimization library.

  * This file is a part of LEMON, a generic C++ optimization library.

  *

  *

  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * (Egervary Research Group on Combinatorial Optimization, EGRES).

  * (Egervary Research Group on Combinatorial Optimization, EGRES).

  *

  *

  * Permission to use, modify and distribute this software is granted

  * Permission to use, modify and distribute this software is granted

  * provided that this copyright notice appears in all copies. For

  * provided that this copyright notice appears in all copies. For

         catch (...) {}

         catch (...) {}

         if (!_what.empty()) return _what.c_str();

         if (!_what.empty()) return _what.c_str();

         else return "lemon::UnsupportedFormatError";

         else return "lemon::UnsupportedFormatError";

       }

       }

     };

     };

   protected:

   protected:

     virtual void _write(std::string, std::string format) const

     virtual void _write(std::string, std::string format) const

     {

     {

       throw UnsupportedFormatError(format);

       throw UnsupportedFormatError(format);

     }

     }

   public:

   public:

     /// Virtual destructor

     /// Virtual destructor

     virtual ~LpBase() {}

     virtual ~LpBase() {}