CoinPresolveDual.hpp

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/* $Id$ */
 
// 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
 
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