MoochoPack_CheckConvergence_Strategy.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.
// 
// 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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//  
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
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#ifndef CHECK_CONVERGENCE_STRATEGY_H
#define CHECK_CONVERGENCE_STRATEGY_H

#include "MoochoPack_Types.hpp"
#include "Teuchos_StandardMemberCompositionMacros.hpp"
#include "OptionsFromStreamPack_SetOptionsFromStreamNode.hpp"
#include "OptionsFromStreamPack_SetOptionsToTargetBase.hpp"

namespace MoochoPack {

class CheckConvergence_Strategy 
  {
  public:
    
    enum EOptErrorCheck 
      { 
      OPT_ERROR_REDUCED_GRADIENT_LAGR, 
      OPT_ERROR_GRADIENT_LAGR 
      };

    STANDARD_MEMBER_COMPOSITION_MEMBERS( EOptErrorCheck, opt_error_check );

    enum EScaleKKTErrorBy 
      { 
      SCALE_BY_ONE, 
      SCALE_BY_NORM_2_X, 
      SCALE_BY_NORM_INF_X 
      };

    STANDARD_MEMBER_COMPOSITION_MEMBERS( EScaleKKTErrorBy, scale_opt_error_by );
    

    STANDARD_MEMBER_COMPOSITION_MEMBERS( EScaleKKTErrorBy, scale_feas_error_by );


    STANDARD_MEMBER_COMPOSITION_MEMBERS( EScaleKKTErrorBy, scale_comp_error_by );


    STANDARD_MEMBER_COMPOSITION_MEMBERS( bool, scale_opt_error_by_Gf );

    CheckConvergence_Strategy(
      EOptErrorCheck opt_error_check = OPT_ERROR_REDUCED_GRADIENT_LAGR,
      EScaleKKTErrorBy scale_opt_error_by = SCALE_BY_ONE,
      EScaleKKTErrorBy scale_feas_error_by = SCALE_BY_ONE,
      EScaleKKTErrorBy scale_comp_error_by = SCALE_BY_ONE,
      bool scale_opt_error_by_Gf = true
      );
    
    virtual bool Converged( Algorithm& _algo)=0;

    virtual void print_step( const Algorithm& _algo, std::ostream& out, const std::string& L ) const =0;


  }; // end interface CheckConvergence_Strategy


class CheckConvergence_StrategySetOptions
  : public OptionsFromStreamPack::SetOptionsFromStreamNode, 
    public OptionsFromStreamPack::SetOptionsToTargetBase<
            CheckConvergence_Strategy >
  {
  public:
    
    CheckConvergence_StrategySetOptions(
      CheckConvergence_Strategy* target = 0
      , const char opt_grp_name[] = "CheckConvergenceStrategy" );
    
  protected:
    
    void setOption( int option_num, const std::string& option_value );

  };  // end class CheckConvergence_Strategy


} // end namespace MoochoPack

#endif // CHECK_CONVERGENCE_STRATEGY_H

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