BonCouenneInfo.hpp

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/* $Id: BonCouenneInfo.hpp 488 2011-01-10 17:06:41Z pbelotti $ */
// (C) Copyright International Business Machines Corporation 2008
// All Rights Reserved.
// This code is published under the Eclipse Public License (EPL).
//
// Authors :
// Andreas Waechter, International Business Machines Corporation
//
// Date : 02/10/2008

#ifndef BonCouenneInfos_H
#define BonCouenneInfos_H

#include "BonBabInfos.hpp"
#include "BonCbc.hpp"
#include "IpSmartPtr.hpp"
#include <list>

namespace Couenne {

  class CouenneInfo : public Bonmin::BabInfo
  {
  public:
    class NlpSolution: public Ipopt::ReferencedObject
    {
    public:
      // meaningful constructor
      NlpSolution(int n, const double* sol, double objval);

      // destructor
      ~NlpSolution();

      const double* solution() const
      {
        return sol_;
      }
      double objVal() const
      {
        return objVal_;
      }
      int nVars() const
      {
        return n_;
      }

    private:
      NlpSolution();
      NlpSolution(const NlpSolution&);
      void operator=(const NlpSolution&);

      int n_;
      double* sol_;
      double objVal_;
    };

    CouenneInfo(int type);

    CouenneInfo(const OsiBabSolver &other);

    CouenneInfo(const CouenneInfo &other);

    virtual ~CouenneInfo();

    virtual OsiAuxInfo * clone() const;

    const std::list<Ipopt::SmartPtr<const NlpSolution> >& NlpSolutions() const {
      return nlpSols_;
    }

    void addSolution(Ipopt::SmartPtr<const NlpSolution> newSol)
    {
      nlpSols_.push_back(newSol);
    }

    protected:
    std::list<Ipopt::SmartPtr<const NlpSolution> > nlpSols_;
  };
}

#endif