CoinUtils trunk
CoinPresolveIsolated.hpp
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00001 /* $Id$ */
00002 // Copyright (C) 2002, International Business Machines
00003 // Corporation and others.  All Rights Reserved.
00004 // This code is licensed under the terms of the Eclipse Public License (EPL).
00005 
00006 #ifndef CoinPresolveIsolated_H
00007 #define CoinPresolveIsolated_H
00008 
00009 #include "CoinPresolveMatrix.hpp"
00010 
00011 class isolated_constraint_action : public CoinPresolveAction {
00012   isolated_constraint_action();
00013   isolated_constraint_action(const isolated_constraint_action& rhs);
00014   isolated_constraint_action& operator=(const isolated_constraint_action& rhs);
00015 
00016   double rlo_;
00017   double rup_;
00018   int row_;
00019   int ninrow_;
00020   // the arrays are owned by the class and must be deleted at destruction
00021   const int *rowcols_;
00022   const double *rowels_;
00023   const double *costs_;
00024 
00025   isolated_constraint_action(double rlo,
00026                              double rup,
00027                              int row,
00028                              int ninrow,
00029                              const int *rowcols,
00030                              const double *rowels,
00031                              const double *costs,
00032                              const CoinPresolveAction *next) :
00033     CoinPresolveAction(next),
00034     rlo_(rlo), rup_(rup), row_(row), ninrow_(ninrow),
00035     rowcols_(rowcols), rowels_(rowels), costs_(costs) {}
00036       
00037  public:
00038   const char *name() const;
00039 
00040   static const CoinPresolveAction *presolve(CoinPresolveMatrix * prob,
00041                                          int row,
00042                                          const CoinPresolveAction *next);
00043 
00044   void postsolve(CoinPostsolveMatrix *prob) const;
00045 
00046   ~isolated_constraint_action();
00047 };
00048 
00049 
00050 
00051 #endif
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