Bnb.h

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//
// Minotaur -- It's only half bull!
//
// (C)opyright 2009 - 2025 The Minotaur Team.
//
 
#ifndef BNB_H
#define BNB_H
 
#include "Types.h"
#include "AMPLInterface.h"
#include "BranchAndBound.h"
#include "Brancher.h"
#include "Presolver.h"
#include "Problem.h"
#include "Solver.h"
 
namespace Minotaur {
class Bnb : public Solver {
public:
  Bnb(EnvPtr env);
 
  ~Bnb();
  
  void doSetup();
 
  void showHelp() const;
 
  int showInfo();
 
  virtual int solve(ProblemPtr p);
 
  virtual std::string getAbout();
 
  virtual SolveStatus getStatus();
 
  virtual DoubleVector getSolution();
 
  double getUb();
 
  double getLb();
 
private:
  const static std::string me_;
  double objSense_;
  ProblemPtr oinst_;
  SolveStatus status_;
 
  BranchAndBound* getBab_(Engine *engine, HandlerVector &handlers);
  BrancherPtr getBrancher_(HandlerVector handlers, Engine *e);
  int getEngine_(Engine **e);
  PresolverPtr presolve_(HandlerVector &handlers);
  void writeBnbStatus_(BranchAndBound *bab);
  void setInitialOptions_();
};
}
#endif