/home/coin/SVN-release/Bcp-1.2.1/Cgl/src/CglGomory/CglGomory.hpp

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00001 // Copyright (C) 2002, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 #ifndef CglGomory_H
00004 #define CglGomory_H
00005 
00006 #include <string>
00007 
00008 #include "CglCutGenerator.hpp"
00009 
00010 class CoinWarmStartBasis;
00012 class CglGomory : public CglCutGenerator {
00013    friend void CglGomoryUnitTest(const OsiSolverInterface * siP,
00014                                   const std::string mpdDir );
00015  
00016 public:
00017     
00018   
00032   virtual void generateCuts( const OsiSolverInterface & si, OsiCuts & cs,
00033                              const CglTreeInfo info = CglTreeInfo()) const;
00036   int generateCuts( const OsiRowCutDebugger * debugger, 
00037                     OsiCuts & cs,
00038                     const CoinPackedMatrix & columnCopy,
00039                     const CoinPackedMatrix & rowCopy,
00040                     const double * objective, const double * colsol,
00041                     const double * colLower, const double * colUpper,
00042                     const double * rowLower, const double * rowUpper,
00043                     const char * intVar ,
00044                     const CoinWarmStartBasis* warm,
00045                     const CglTreeInfo info = CglTreeInfo()) const;
00048   int generateCuts( const OsiRowCutDebugger * debugger, 
00049                     OsiCuts & cs,
00050                     const CoinPackedMatrix & columnCopy,
00051                     const double * objective, const double * colsol,
00052                     const double * colLower, const double * colUpper,
00053                     const double * rowLower, const double * rowUpper,
00054                     const char * intVar ,
00055                     const CoinWarmStartBasis* warm,
00056                     const CglTreeInfo info = CglTreeInfo()) const;
00057 
00059   virtual bool needsOptimalBasis() const;
00061 
00064 
00065   void setLimit(int limit);
00067   int getLimit() const;
00069   void setLimitAtRoot(int limit);
00071   int getLimitAtRoot() const;
00073 
00078 
00079   void setAway(double value);
00081   double getAway() const;
00083   void setAwayAtRoot(double value);
00085   double getAwayAtRoot() const;
00087 
00088 
00091 
00092   CglGomory ();
00093  
00095   CglGomory (
00096     const CglGomory &);
00097 
00099   virtual CglCutGenerator * clone() const;
00100 
00102   CglGomory &
00103     operator=(
00104     const CglGomory& rhs);
00105   
00107   virtual
00108     ~CglGomory ();
00110   virtual std::string generateCpp( FILE * fp);
00112       
00113 private:
00114   
00115  // Private member methods
00116 
00117   // Private member data
00118 
00121 
00122   double away_;
00124   double awayAtRoot_;
00126   int limit_;
00128   int limitAtRoot_;
00130 };
00131 
00132 //#############################################################################
00138 void CglGomoryUnitTest(const OsiSolverInterface * siP,
00139                         const std::string mpdDir );
00140   
00141 #endif

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