IpProbingMuOracle.hpp

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// Copyright (C) 2004, 2006 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 __IPPROBINGMUORACLE_HPP__
#define __IPPROBINGMUORACLE_HPP__
 
#include "IpMuOracle.hpp"
#include "IpPDSystemSolver.hpp"
 
namespace Ipopt
{
 
class ProbingMuOracle: public MuOracle
{
public:
 
   ProbingMuOracle(
      const SmartPtr<PDSystemSolver>& pd_solver
   );
 
   virtual ~ProbingMuOracle();
 
   virtual bool InitializeImpl(
      const OptionsList& options,
      const std::string& prefix
   );
 
   virtual bool CalculateMu(
      Number  mu_min,
      Number  mu_max,
      Number& new_mu
   );
 
   static void RegisterOptions(
      SmartPtr<RegisteredOptions> roptions
   );
 
private:
 
   ProbingMuOracle();
 
   ProbingMuOracle(
      const ProbingMuOracle&
   );
 
   void operator=(
      const ProbingMuOracle&
   );
 
   SmartPtr<PDSystemSolver> pd_solver_;
 
   Number CalculateAffineMu(
      Number                alpha_primal,
      Number                alpha_dual,
      const IteratesVector& step
   );
 
 
   Number sigma_max_;
};
 
} // namespace Ipopt
 
#endif