CbcCompareDepth.hpp

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// $Id$
// 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
 
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