IpInexactSearchDirCalc.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.
//
// Authors:  Andreas Waechter            IBM    2008-08-31
 
#ifndef __IPINEXACTSEARCHDIRCALC_HPP__
#define __IPINEXACTSEARCHDIRCALC_HPP__
 
#include "IpSearchDirCalculator.hpp"
#include "IpInexactCq.hpp"
#include "IpInexactNormalStepCalc.hpp"
#include "IpInexactPDSolver.hpp"
 
namespace Ipopt
{
class InexactSearchDirCalculator: public SearchDirectionCalculator
{
public:
 
   InexactSearchDirCalculator(
      SmartPtr<InexactNormalStepCalculator> normal_step_calculator,
      SmartPtr<InexactPDSolver>             inexact_pd_solver
   );
 
   virtual ~InexactSearchDirCalculator();
 
   virtual bool InitializeImpl(
      const OptionsList& options,
      const std::string& prefix
   );
 
   virtual bool ComputeSearchDirection();
 
   static void RegisterOptions(
      SmartPtr<RegisteredOptions> roptions
   );
 
private:
 
   InexactSearchDirCalculator();
 
   InexactSearchDirCalculator(
      const InexactSearchDirCalculator&
   );
 
   void operator=(
      const InexactSearchDirCalculator&
   );
 
   InexactData& InexData()
   {
      InexactData& inexact_data = static_cast<InexactData&>(IpData().AdditionalData());
      DBG_ASSERT(dynamic_cast<InexactData*>(&IpData().AdditionalData()));
      return inexact_data;
   }
 
   InexactCq& InexCq()
   {
      InexactCq& inexact_cq = static_cast<InexactCq&>(IpCq().AdditionalCq());
      DBG_ASSERT(dynamic_cast<InexactCq*>(&IpCq().AdditionalCq()));
      return inexact_cq;
   }
 
 
   Number local_inf_Ac_tol_;
 
   SmartPtr<InexactNormalStepCalculator> normal_step_calculator_;
   SmartPtr<InexactPDSolver> inexact_pd_solver_;
 
   enum DecompositionTypeEnum
   {
      ALWAYS = 0,
      ADAPTIVE,
      SWITCH_ONCE
   };
 
   DecompositionTypeEnum decomposition_type_;
};
 
} // namespace Ipopt
 
#endif