CbcCompareDepth.hpp

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// $Id: CbcCompareDepth.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 11/24/09 carved out of CbcCompareActual
 
#ifndef CbcCompareDepth_H
#define CbcCompareDepth_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;
// This is default before first solution
class CbcCompareDepth : public CbcCompareBase {
public:
    // Default Constructor
    CbcCompareDepth () ;
 
    ~CbcCompareDepth();
    // Copy constructor
    CbcCompareDepth ( const CbcCompareDepth &rhs);
 
    // Assignment operator
    CbcCompareDepth & operator=( const CbcCompareDepth& rhs);
 
    virtual CbcCompareBase * clone() const;
    virtual void generateCpp( FILE * fp);
 
    // This returns true if the depth of node y is greater than depth of node x
    virtual bool test (CbcNode * x, CbcNode * y);
};
 
#endif