/home/coin/SVN-release/CoinAll-1.1.0/Ipopt/src/Algorithm/IpOptErrorConvCheck.hpp

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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: IpOptErrorConvCheck.hpp 1210 2008-04-05 03:01:56Z andreasw $
//
// Authors:  Carl Laird, Andreas Waechter     IBM    2004-08-13

#ifndef __IPOPTERRORCONVCHECK_HPP__
#define __IPOPTERRORCONVCHECK_HPP__

#include "IpConvCheck.hpp"

namespace Ipopt
{

  class OptimalityErrorConvergenceCheck : public ConvergenceCheck
  {
  public:
    OptimalityErrorConvergenceCheck();

    virtual ~OptimalityErrorConvergenceCheck();

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

    virtual ConvergenceStatus
    CheckConvergence(bool call_intermediate_callback = true);

    virtual bool CurrentIsAcceptable();

    static void RegisterOptions(SmartPtr<RegisteredOptions> roptions);

  protected:
    Index max_iterations_;
    Number dual_inf_tol_;
    Number constr_viol_tol_;
    Number compl_inf_tol_;
    Index acceptable_iter_;
    Number acceptable_tol_;
    Number acceptable_dual_inf_tol_;
    Number acceptable_constr_viol_tol_;
    Number acceptable_compl_inf_tol_;
    Number acceptable_obj_change_tol_;
    Number diverging_iterates_tol_;

  private:
    OptimalityErrorConvergenceCheck(const OptimalityErrorConvergenceCheck&);

    void operator=(const OptimalityErrorConvergenceCheck&);

    Index acceptable_counter_;

    Number last_obj_val_;
  };

} // namespace Ipopt

#endif

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