IpRestoMinC_1Nrm.hpp

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// Copyright (C) 2004, 2010 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// Authors:  Carl Laird, Andreas Waechter     IBM    2004-08-13
 
#ifndef __IPRESTOC_1NRM_HPP__
#define __IPRESTOC_1NRM_HPP__
 
#include "IpRestoPhase.hpp"
#include "IpIpoptAlg.hpp"
#include "IpEqMultCalculator.hpp"
 
namespace Ipopt
{
 
class MinC_1NrmRestorationPhase: public RestorationPhase
{
public:
 
   MinC_1NrmRestorationPhase(
      IpoptAlgorithm&                         resto_alg,
      const SmartPtr<EqMultiplierCalculator>& eq_mult_calculator
   );
 
   virtual ~MinC_1NrmRestorationPhase();
 
   virtual bool InitializeImpl(
      const OptionsList& options,
      const std::string& prefix
   );
 
   static void RegisterOptions(
      SmartPtr<RegisteredOptions> roptions
   );
 
protected:
   virtual bool PerformRestoration();
 
private:
 
   MinC_1NrmRestorationPhase();
 
   MinC_1NrmRestorationPhase(
      const MinC_1NrmRestorationPhase&
   );
 
   void operator=(
      const MinC_1NrmRestorationPhase&
   );
 
   SmartPtr<IpoptAlgorithm> resto_alg_;
   SmartPtr<EqMultiplierCalculator> eq_mult_calculator_;
 
   SmartPtr<OptionsList> resto_options_;
 
   Number constr_mult_reset_threshold_;
 
   Number bound_mult_reset_threshold_;
 
   bool expect_infeasible_problem_;
 
   Number constr_viol_tol_;
 
   Number max_wall_time_;
   Number max_cpu_time_;
 
   Number resto_failure_feasibility_threshold_;
 
   Index count_restorations_;
 
 
   void ComputeBoundMultiplierStep(
      Vector&       delta_z,
      const Vector& curr_z,
      const Vector& curr_slack,
      const Vector& trial_slack
   );
};
 
} // namespace Ipopt
 
#endif