/home/coin/SVN-release/CoinAll-1.1.0/Cgl/src/CglCutGenerator.hpp

Go to the documentation of this file.

// Copyright (C) 2000, International Business Machines
// Corporation and others.  All Rights Reserved.
#ifndef CglCutGenerator_H
#define CglCutGenerator_H

#include "OsiCuts.hpp"
#include "OsiSolverInterface.hpp"
#include "CglTreeInfo.hpp"

//-------------------------------------------------------------------
//
// Abstract base class for generating cuts.
//
//-------------------------------------------------------------------

class CglCutGenerator  {
  
public:
    
  virtual void generateCuts( const OsiSolverInterface & si, OsiCuts & cs,
                             const CglTreeInfo info = CglTreeInfo()) const=0; 

    

  CglCutGenerator (); 
 
  CglCutGenerator ( const CglCutGenerator &);

  virtual CglCutGenerator * clone() const = 0;

  CglCutGenerator & operator=(const CglCutGenerator& rhs);

  virtual ~CglCutGenerator ();

  virtual std::string generateCpp( FILE * fp) {return "";}

  virtual void refreshSolver(OsiSolverInterface * solver) {}
  
  inline int getAggressiveness() const
  { return aggressive_;}

  inline void setAggressiveness(int value)
  { aggressive_=value;}

  virtual bool mayGenerateRowCutsInTree() const;
  virtual bool needsOptimalBasis() const;
  
  // test this class
  //static void unitTest();
  
// private:
  
  int aggressive_;
};

#endif

---