#include <limits>

 #include <limits>

 #include <lemon/time_measure.h>

 #include <lemon/time_measure.h>

 #include <lemon/random.h>

 #include <lemon/random.h>

 namespace lemon {

 namespace lemon {

   class SimAnnBase;

   class SimAnnBase;

   /// \brief A base class for controllers.

   /// \brief A base class for controllers.

   class ControllerBase {

   class ControllerBase {

     }

     }

     /// \brief Destructor.

     /// \brief Destructor.

     virtual ~SimAnnBase() {}

     virtual ~SimAnnBase() {}

   };

   };

   /// \brief Simulated annealing class.

   /// \brief Simulated annealing class.

   class SimAnn : public SimAnnBase {

   class SimAnn : public SimAnnBase {

   private:

   private:

     /// \brief Pointer to the current entity.

     /// \brief Pointer to the current entity.

     EntityBase *curr_ent;

     EntityBase *curr_ent;

     }

     }

     /// \brief Destructor.

     /// \brief Destructor.

     virtual ~AdvancedController() {}

     virtual ~AdvancedController() {}

   };

   };

 }

 }

 #endif

 #endif