CoinPresolveTripleton.hpp

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/* $Id$ */
// 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
 
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