BonHeuristicDiveFractional.hpp

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// Copyright (C) 2007, International Business Machines Corporation and others. 
// All Rights Reserved.
// This code is published under the Common Public License.
//
// Authors :
// Joao P. Goncalves, International Business Machines Corporation
//
// Date : November 12, 2007

#ifndef BonHeuristicDiveFractional_H
#define BonHeuristicDiveFractional_H

#include "BonBonminSetup.hpp"
#include "BonHeuristicDive.hpp"

namespace Bonmin
{
  class HeuristicDiveFractional : public HeuristicDive {
  public:
    HeuristicDiveFractional ();

    HeuristicDiveFractional(BonminSetup * setup);

    HeuristicDiveFractional(const HeuristicDiveFractional &copy);

    ~HeuristicDiveFractional() {}

    HeuristicDiveFractional & operator=(const HeuristicDiveFractional & rhs);

    virtual CbcHeuristic * clone() const;

    virtual void setSetup(BonminSetup * setup){
      HeuristicDive::setSetup(setup);
      Initialize(setup->options());
    }

    virtual void setInternalVariables(TMINLP2TNLP* minlp);


    virtual void selectVariableToBranch(TMINLP2TNLP* minlp,
                                        const vector<int> & integerColumns,
                                        const double* newSolution,
                                        int& bestColumn,
                                        int& bestRound);

    static void registerOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions);
    
    void Initialize(Ipopt::SmartPtr<Ipopt::OptionsList> options);

  };
}
#endif