IpCGPerturbationHandler.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:  Carl Laird, Andreas Waechter              IBM    2005-08-04
 
#ifndef __IPCGPERTURBATIONHANDLER_HPP__
#define __IPCGPERTURBATIONHANDLER_HPP__
 
#include "IpPDPerturbationHandler.hpp"
#include "IpCGPenaltyCq.hpp"
 
namespace Ipopt
{
 
class CGPerturbationHandler: public PDPerturbationHandler
{
public:
 
   CGPerturbationHandler();
 
   virtual ~CGPerturbationHandler()
   { }
 
   /* overloaded from AlgorithmStrategyObject */
   virtual bool InitializeImpl(
      const OptionsList& options,
      const std::string& prefix
   );
 
   bool ConsiderNewSystem(
      Number& delta_x,
      Number& delta_s,
      Number& delta_c,
      Number& delta_d
   );
 
   bool PerturbForSingularity(
      Number& delta_x,
      Number& delta_s,
      Number& delta_c,
      Number& delta_d
   );
 
   static void RegisterOptions(
      SmartPtr<RegisteredOptions> roptions
   );
 
private:
 
   CGPerturbationHandler(
      const CGPerturbationHandler&
   );
 
   void operator=(
      const CGPerturbationHandler&
   );
 
   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_max_;
   Number mult_diverg_feasibility_tol_;
 
};
 
} // namespace Ipopt
 
#endif