BlisBranchStrategyPseudo.h

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/*===========================================================================*
 * This file is part of the Bcps Linear Solver (BLIS).                       *
 *                                                                           *
 * ALPS is distributed under the Eclipse Public License as part of the       *
 * COIN-OR repository (http://www.coin-or.org).                              *
 *                                                                           *
 * Authors:                                                                  *
 *                                                                           *
 *          Yan Xu, Lehigh University                                        *
 *          Ted Ralphs, Lehigh University                                    *
 *                                                                           *
 * Conceptual Design:                                                        *
 *                                                                           *
 *          Yan Xu, Lehigh University                                        *
 *          Ted Ralphs, Lehigh University                                    *
 *          Laszlo Ladanyi, IBM T.J. Watson Research Center                  *
 *          Matthew Saltzman, Clemson University                             *
 *                                                                           * 
 *                                                                           *
 * Copyright (C) 2001-2013, Lehigh University, Yan Xu, and Ted Ralphs.       *
 * All Rights Reserved.                                                      *
 *===========================================================================*/


//#############################################################################
// NOTE: Borrow ideas from COIN/Cbc
//#############################################################################


#ifndef BlisBranchStrategyPseudo_h_
#define BlisBranchStrategyPseudo_h_

#include "BcpsBranchObject.h"
#include "BcpsBranchStrategy.h"
#include "BlisModel.h"


class BlisBranchStrategyPseudo : public BcpsBranchStrategy {

 private:
    BlisBranchStrategyPseudo& operator=(const BlisBranchStrategyPseudo& rhs);

    int relibility_;
    
 public:

    BlisBranchStrategyPseudo() : relibility_(1) {}

    BlisBranchStrategyPseudo(BlisModel *model, int rel)
        : 
        BcpsBranchStrategy(model), 
        relibility_(rel)
        {}

    virtual ~BlisBranchStrategyPseudo() {}
    
    BlisBranchStrategyPseudo(const BlisBranchStrategyPseudo &);
    
    void setRelibility(int rel) { relibility_ = rel; }    

    virtual BcpsBranchStrategy * clone() const {
        return new BlisBranchStrategyPseudo(*this);
    }
    
    virtual int betterBranchObject(BcpsBranchObject * thisOne,
                                   BcpsBranchObject * bestSoFar);

    int createCandBranchObjects(int numPassesLeft, double ub);
};

#endif