IpInexactNewtonNormal.hpp

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// Copyright (C) 2008, 2011 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// Authors:  Andreas Waechter            IBM    2008-09-05
 
#ifndef __IPINEXACTNEWTONNORMAL_HPP__
#define __IPINEXACTNEWTONNORMAL_HPP__
 
#include "IpAlgStrategy.hpp"
#include "IpAugSystemSolver.hpp"
#include "IpInexactCq.hpp"
 
namespace Ipopt
{
class InexactNewtonNormalStep: public AlgorithmStrategyObject
{
public:
 
   InexactNewtonNormalStep(
      SmartPtr<AugSystemSolver> aug_solver
   );
 
   virtual ~InexactNewtonNormalStep();
 
   virtual bool InitializeImpl(
      const OptionsList& options,
      const std::string& prefix
   );
 
   virtual bool ComputeNewtonNormalStep(
      Vector& newton_x,
      Vector& newton_s
   );
 
   static void RegisterOptions(
      SmartPtr<RegisteredOptions> roptions
   );
 
protected:
   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;
   }
 
private:
 
   InexactNewtonNormalStep();
 
   InexactNewtonNormalStep(
      const InexactNewtonNormalStep&);
 
   void operator=(
      const InexactNewtonNormalStep&
   );
 
   SmartPtr<AugSystemSolver> aug_solver_;
};
 
} // namespace Ipopt
 
#endif