IpCGSearchDirCalc.hpp

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// Copyright (C) 2005, 2008 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// $Id: IpCGSearchDirCalc.hpp 1861 2010-12-21 21:34:47Z andreasw $
//
// Authors:  Andreas Waechter            IBM    2005-10-13
//
//           Lifeng Chen/Zaiwen Wen      Columbia Univ

#ifndef __IPCGSEARCHDIRCALC_HPP__
#define __IPCGSEARCHDIRCALC_HPP__

#include "IpSearchDirCalculator.hpp"
#include "IpPDSystemSolver.hpp"
#include "IpCGPenaltyCq.hpp"

namespace Ipopt
{

  class CGSearchDirCalculator : public SearchDirectionCalculator
  {
  public:
    CGSearchDirCalculator(const SmartPtr<PDSystemSolver>& pd_solver);

    virtual ~CGSearchDirCalculator();

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

    virtual bool ComputeSearchDirection();

    static void RegisterOptions(SmartPtr<RegisteredOptions> roptions);

  private:
    CGSearchDirCalculator();

    CGSearchDirCalculator(const CGSearchDirCalculator&);

    void operator=(const CGSearchDirCalculator&);

    CGPenaltyData& CGPenData()
    {
      CGPenaltyData& cg_pen_data =
        static_cast<CGPenaltyData&>(IpData().AdditionalData());
      DBG_ASSERT(dynamic_cast<CGPenaltyData*>(&IpData().AdditionalData()));
      return cg_pen_data;
    }

    CGPenaltyCq& CGPenCq()
    {
      CGPenaltyCq& cg_pen_cq =
        static_cast<CGPenaltyCq&>(IpCq().AdditionalCq());
      DBG_ASSERT(dynamic_cast<CGPenaltyCq*>(&IpCq().AdditionalCq()));
      return cg_pen_cq;
    }

    Number penalty_init_min_;
    Number penalty_init_max_;
    Number penalty_max_;



    Number pen_des_fact_;

    bool penalty_backward_;

    Number kappa_x_dis_;
    Number kappa_y_dis_;
    Number vartheta_;
    Number delta_y_max_;
    Number fast_des_fact_;
    Number pen_init_fac_;

    bool never_use_fact_cgpen_direction_;

    Index nonmonotone_pen_update_counter_;

    SmartPtr<PDSystemSolver> pd_solver_;
  };

} // namespace Ipopt

#endif