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/build/buildd/coinutils-2.6.4/CoinUtils/src/CoinPresolveTripleton.hpp

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00001 /* $Id: CoinPresolveTripleton.hpp 1215 2009-11-05 11:03:04Z forrest $ */
00002 // Copyright (C) 2003, International Business Machines
00003 // Corporation and others.  All Rights Reserved.
00004 
00005 #ifndef CoinPresolveTripleton_H
00006 #define CoinPresolveTripleton_H
00007 #define TRIPLETON 11
00008 
00013 class tripleton_action : public CoinPresolveAction {
00014  public:
00015   struct action {
00016     int icolx;
00017     int icolz;
00018     int row;
00019 
00020     int icoly;
00021     double cloy;
00022     double cupy;
00023     double costy;
00024     double clox;
00025     double cupx;
00026     double costx;
00027 
00028     double rlo;
00029     double rup;
00030 
00031     double coeffx;
00032     double coeffy;
00033     double coeffz;
00034 
00035     double *colel;
00036 
00037     int ncolx;
00038     int ncoly;
00039   };
00040 
00041   const int nactions_;
00042   const action *const actions_;
00043 
00044  private:
00045   tripleton_action(int nactions,
00046                       const action *actions,
00047                       const CoinPresolveAction *next) :
00048     CoinPresolveAction(next),
00049     nactions_(nactions), actions_(actions)
00050 {}
00051 
00052  public:
00053   const char *name() const { return ("tripleton_action"); }
00054 
00055   static const CoinPresolveAction *presolve(CoinPresolveMatrix *,
00056                                          const CoinPresolveAction *next);
00057   
00058   void postsolve(CoinPostsolveMatrix *prob) const;
00059 
00060   ~tripleton_action();
00061 };
00062 #endif
00063 
00064 

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