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// Copyright (C) 2004, 2006 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Common Public License.
//
// $Id: IpEqMultCalculator.hpp 735 2006-06-04 06:10:05Z andreasw $
//
// Authors:  Carl Laird, Andreas Waechter              IBM    2004-09-23

#ifndef __IPEQMULTCALCULATOR_HPP__
#define __IPEQMULTCALCULATOR_HPP__

#include "IpUtils.hpp"
#include "IpAlgStrategy.hpp"

namespace Ipopt
{
  class EqMultiplierCalculator: public AlgorithmStrategyObject
  {
  public:
    EqMultiplierCalculator()
    {}
    virtual ~EqMultiplierCalculator()
    {}

    virtual bool InitializeImpl(const OptionsList& options,
                                const std::string& prefix) = 0;

    virtual bool CalculateMultipliers(Vector& y_c,
                                      Vector& y_d) = 0;

  private:
    EqMultiplierCalculator(const EqMultiplierCalculator&);

    void operator=(const EqMultiplierCalculator&);
  };

} // namespace Ipopt

#endif

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