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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);
/// Clone
virtual CbcCompareBase * clone() const;
/// Create C++ lines to get to current state
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
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