CbcCompareObjective.hpp

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// $Id: CbcCompareObjective.hpp 1899 2013-04-09 18:12:08Z stefan $
// Copyright (C) 2002, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
 
//Edwin 11/25/09 carved out of CbcCompareActual
 
#ifndef CbcCompareObjective_H
#define CbcCompareObjective_H
 
 
//#############################################################################
/*  These are alternative strategies for node traversal.
    They can take data etc for fine tuning
 
    At present the node list is stored as a heap and the "test"
    comparison function returns true if node y is better than node x.
 
*/
#include "CbcNode.hpp"
#include "CbcCompareBase.hpp"
#include "CbcCompare.hpp"
 
class CbcModel;
 
class CbcCompareObjective  : public CbcCompareBase {
public:
    // Default Constructor
    CbcCompareObjective ();
 
    virtual ~CbcCompareObjective();
    // Copy constructor
    CbcCompareObjective ( const CbcCompareObjective &rhs);
 
    // Assignment operator
    CbcCompareObjective & operator=( const CbcCompareObjective& rhs);
 
    virtual CbcCompareBase * clone() const;
    virtual void generateCpp( FILE * fp);
 
    /* This returns true if objective value of node y is less than
       objective value of node x */
    virtual bool test (CbcNode * x, CbcNode * y);
};
 
#endif //CbcCompareObjective_H