IpWarmStartIterateInitializer.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    2005-04-01
 
#ifndef __IPWARMSTARTITERATEINITIALIZER_HPP__
#define __IPWARMSTARTITERATEINITIALIZER_HPP__
 
#include "IpIterateInitializer.hpp"
#include "IpEqMultCalculator.hpp"
 
namespace Ipopt
{
 
class WarmStartIterateInitializer: public IterateInitializer
{
public:
 
   WarmStartIterateInitializer();
 
   virtual ~WarmStartIterateInitializer()
   { }
 
   virtual bool InitializeImpl(
      const OptionsList& options,
      const std::string& prefix
   );
 
   virtual bool SetInitialIterates();
 
   static void RegisterOptions(
      SmartPtr<RegisteredOptions> roptions
   );
 
private:
 
   WarmStartIterateInitializer(
      const WarmStartIterateInitializer&
   );
 
   void operator=(
      const WarmStartIterateInitializer&
   );
 
 
   Number warm_start_bound_push_;
 
   Number warm_start_bound_frac_;
 
   Number warm_start_slack_bound_push_;
 
   Number warm_start_slack_bound_frac_;
 
   Number warm_start_mult_bound_push_;
 
   Number warm_start_mult_init_max_;
 
   Number warm_start_target_mu_;
 
   bool warm_start_entire_iterate_;
 
   void process_target_mu(
      Number                  factor,
      const Vector&           curr_vars,
      const Vector&           curr_slacks,
      const Vector&           curr_mults,
      const Matrix&           P,
      SmartPtr<const Vector>& ret_vars,
      SmartPtr<const Vector>& ret_mults
   );
 
   void adapt_to_target_mu(
      Vector& new_s,
      Vector& new_z,
      Number  target_mu
   );
};
 
} // namespace Ipopt
 
#endif