BonMilpRounding.hpp

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// Copyright (C) 2010, International Business Machines Corporation and others. 
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// Authors :
// Pierre Bonami CNRS
//
// Date : May, 26 2010
 
#ifndef BonMilpRounding_HPP
#define BonMilpRounding_HPP
#include "BonOsiTMINLPInterface.hpp"
#include "BonBonminSetup.hpp"
#include "CbcHeuristic.hpp"
#include "CbcStrategy.hpp"
#include "OsiCuts.hpp"
 
namespace Bonmin
{
  class SubMipSolver;
  class MilpRounding : public CbcHeuristic
  {
  public:

    MilpRounding(BonminSetup * setup);

    MilpRounding(const MilpRounding &copy);

    ~MilpRounding();

    MilpRounding & operator=(const MilpRounding & rhs);

    virtual CbcHeuristic * clone() const{
      return new MilpRounding(*this);
    }

    void Initialize(BonminSetup * setup);

    virtual void resetModel(CbcModel * model){
      setModel(model);
    }

    virtual void setSetup(BonminSetup * setup){
      setup_ = setup;
      //      Initialize(setup_->options());
    }

    virtual int solution(double &solutionValue, double *betterSolution);
 
 
    static void registerOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions);
  protected:
    BonminSetup * setup_; 
 
  private:
    int howOften_;
    SubMipSolver * mip_;
 
    OsiCuts noGoods;
  };
}
#endif