IpInexactDoglegNormal.hpp

Go to the documentation of this file.

// 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 __IPINEXACTDOGLEGNORMAL_HPP__
#define __IPINEXACTDOGLEGNORMAL_HPP__
 
#include "IpInexactNormalStepCalc.hpp"
#include "IpInexactNewtonNormal.hpp"
#include "IpInexactNormalTerminationTester.hpp"
 
namespace Ipopt
{
class InexactDoglegNormalStep: public InexactNormalStepCalculator
{
public:
 
   InexactDoglegNormalStep(
      SmartPtr<InexactNewtonNormalStep>        newton_step,
      SmartPtr<InexactNormalTerminationTester> normal_tester = NULL
   );
 
   virtual ~InexactDoglegNormalStep();
 
   virtual bool InitializeImpl(
      const OptionsList& options,
      const std::string& prefix
   );
 
   virtual bool ComputeNormalStep(
      SmartPtr<Vector>& normal_x,
      SmartPtr<Vector>& normal_s
   );
 
   static void RegisterOptions(
      SmartPtr<RegisteredOptions> roptions
   );
 
private:
 
   InexactDoglegNormalStep();
 
   InexactDoglegNormalStep(
      const InexactDoglegNormalStep&
   );
 
   void operator=(
      const InexactDoglegNormalStep&
   );
 
   SmartPtr<InexactNewtonNormalStep> newton_step_;
 
   SmartPtr<InexactNormalTerminationTester> normal_tester_;
 
   Number omega_max_;
 
   Number curr_omega_;
 
   bool last_tr_inactive_;
};
 
} // namespace Ipopt
 
#endif