CoinPresolveTripleton.hpp

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/* $Id: CoinPresolveTripleton.hpp 1498 2011-11-02 15:25:35Z mjs $ */
// Copyright (C) 2003, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).

#ifndef CoinPresolveTripleton_H
#define CoinPresolveTripleton_H
#define TRIPLETON 11

class tripleton_action : public CoinPresolveAction {
 public:
  struct action {
    int icolx;
    int icolz;
    int row;

    int icoly;
    double cloy;
    double cupy;
    double costy;
    double clox;
    double cupx;
    double costx;

    double rlo;
    double rup;

    double coeffx;
    double coeffy;
    double coeffz;

    double *colel;

    int ncolx;
    int ncoly;
  };

  const int nactions_;
  const action *const actions_;

 private:
  tripleton_action(int nactions,
                      const action *actions,
                      const CoinPresolveAction *next) :
    CoinPresolveAction(next),
    nactions_(nactions), actions_(actions)
{}

 public:
  const char *name() const { return ("tripleton_action"); }

  static const CoinPresolveAction *presolve(CoinPresolveMatrix *,
                                         const CoinPresolveAction *next);
  
  void postsolve(CoinPostsolveMatrix *prob) const;

  virtual ~tripleton_action();
};
#endif