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.
//
// 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