CoinPresolveDual.hpp

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/* $Id: CoinPresolveDual.hpp 1510 2011-12-08 23:56:01Z lou $ */

// Copyright (C) 2002, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).

#ifndef CoinPresolveDual_H
#define CoinPresolveDual_H

class remove_dual_action : public CoinPresolveAction {

  public:

  ~remove_dual_action () ;

  inline const char *name () const { return ("remove_dual_action") ; }

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

  void postsolve (CoinPostsolveMatrix *prob) const ;

  private:

  struct action {
    double rlo_ ;  
    double rup_ ;  
    int ndx_ ;     
  } ;

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

  const int nactions_ ;
  const action *actions_ ;

} ;
#endif