MoochoPack_UpdateBarrierParameter_Step.hpp

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// 
// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
//                  Copyright (2003) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
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// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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// Lesser General Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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#ifndef UPDATE_BARRIER_PARAMETER_STEP_H
#define UPDATE_BARRIER_PARAMETER_STEP_H

#include "MoochoPack_Types.hpp"
#include "IterationPack_AlgorithmStep.hpp"
#include "Teuchos_StandardCompositionMacros.hpp"
#include "Teuchos_StandardMemberCompositionMacros.hpp"

#include "OptionsFromStreamPack_SetOptionsFromStreamNode.hpp"
#include "OptionsFromStreamPack_SetOptionsToTargetBase.hpp"

namespace MoochoPack {

class UpdateBarrierParameter_Step
  : public IterationPack::AlgorithmStep // doxygen needs full path
  {
  public:


    STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, init_barrier_parameter );

    STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, tau_mu );

    STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, theta_mu );

    STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, tau_epsilon );

    STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, theta_epsilon );

    STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, e_tol_max );

    UpdateBarrierParameter_Step(
      const value_type init_barrier_parameter = 0.1,
      const value_type tau_mu = 0.2,
      const value_type theta_mu = 1.5,
      const value_type tau_epsilon = 10,
      const value_type theta_epsilon = 1.1,
      const value_type e_tol_max = 1000
      );

    bool do_step(Algorithm& algo, poss_type step_poss, IterationPack::EDoStepType type
           , poss_type assoc_step_poss);
    
    
    void print_step( const IterationPack::Algorithm& algo, poss_type step_poss, IterationPack::EDoStepType type
             , poss_type assoc_step_poss, std::ostream& out, const std::string& leading_str ) const;

  private:
    value_type Calculate_e_tol(value_type mu);

  }; // end class UpdateBarrierParameter_Step


class UpdateBarrierParameter_StepSetOptions
  : public OptionsFromStreamPack::SetOptionsFromStreamNode,
    public OptionsFromStreamPack::SetOptionsToTargetBase< UpdateBarrierParameter_Step >
  {
  public:
    UpdateBarrierParameter_StepSetOptions(
      UpdateBarrierParameter_Step* target = 0,
      const char opt_grp_name[] = "UpdateBarrierParameter" );

  protected:

    void setOption( int option_num, const std::string& option_value );
  
  };  // end class UpdateBarrierParameter_StepSetOptions

} // end namespace MoochoPack

#endif // #if !defined UPDATE_BARRIER_PARAMETER_STEP_H

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