IpInexactNormalTerminationTester.hpp

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// Copyright (C) 2008 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// $Id: IpInexactNormalTerminationTester.hpp 1861 2010-12-21 21:34:47Z andreasw $
//
// Authors:  Andreas Waechter            IBM    2008-09-19

#ifndef __IPINEXACTNORMALTERMINATIONTESTER_HPP__
#define __IPINEXACTNORMALTERMINATIONTESTER_HPP__

#include "IpIterativeSolverTerminationTester.hpp"

namespace Ipopt
{

  class InexactNormalTerminationTester: public IterativeSolverTerminationTester
  {
  public:
    InexactNormalTerminationTester();

    virtual ~InexactNormalTerminationTester();

    /* overloaded from AlgorithmStrategyObject */
    virtual bool InitializeImpl(const OptionsList& options,
                                const std::string& prefix);

    static void RegisterOptions(SmartPtr<RegisteredOptions> roptions);

    virtual bool InitializeSolve();

    virtual ETerminationTest TestTermination(Index ndim, const Number* sol,
        const Number* resid, Index iter,
        Number norm2_rhs);

    virtual void Clear();


    virtual Index GetSolverIterations() const
    {
      return last_iter_;
    }

    void Set_c_Avc_norm_cauchy(Number c_Avc_norm_cauchy)
    {
      c_Avc_norm_cauchy_ = c_Avc_norm_cauchy;
    }

  private:
    InexactNormalTerminationTester& operator=(const InexactNormalTerminationTester&);

    Number inexact_normal_tol_;
    Index inexact_normal_max_iter_;
    bool requires_scaling_;

    Number c_Avc_norm_cauchy_;

    Index last_iter_;
  };

} // namespace Ipopt

#endif