CoinUtils  2.9.0
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CoinPresolveDoubleton.hpp
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1 /* $Id: CoinPresolveDoubleton.hpp 1498 2011-11-02 15:25:35Z mjs $ */
2 // Copyright (C) 2002, International Business Machines
3 // Corporation and others. All Rights Reserved.
4 // This code is licensed under the terms of the Eclipse Public License (EPL).
5 
6 #ifndef CoinPresolveDoubleton_H
7 #define CoinPresolveDoubleton_H
8 
9 #define DOUBLETON 5
10 
27  public:
28  struct action {
29 
30  double clox;
31  double cupx;
32  double costx;
33 
34  double costy;
35 
36  double rlo;
37 
38  double coeffx;
39  double coeffy;
40 
41  double *colel;
42 
43  int icolx;
44  int icoly;
45  int row;
46  int ncolx;
47  int ncoly;
48  };
49 
50  const int nactions_;
51  const action *const actions_;
52 
53  private:
54  doubleton_action(int nactions,
55  const action *actions,
56  const CoinPresolveAction *next) :
57  CoinPresolveAction(next),
58  nactions_(nactions), actions_(actions)
59 {}
60 
61  public:
62  const char *name() const { return ("doubleton_action"); }
63 
65  const CoinPresolveAction *next);
66 
67  void postsolve(CoinPostsolveMatrix *prob) const;
68 
69  virtual ~doubleton_action();
70 };
71 #endif
72 
73