Thyra_EpetraModelEvaluator.hpp

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//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) Sandia Corporation
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#ifndef THYRA_EPETRA_MODEL_EVALUATOR_HPP
#define THYRA_EPETRA_MODEL_EVALUATOR_HPP

#include "Thyra_ModelEvaluatorDefaultBase.hpp"
#include "Thyra_EpetraThyraWrappers.hpp"
#include "Thyra_LinearOpWithSolveFactoryBase.hpp"
#include "EpetraExt_ModelEvaluator.h"
#include "Epetra_Map.h"
#include "Teuchos_Array.hpp"


namespace Thyra {


class EpetraModelEvaluator
  : public ModelEvaluatorDefaultBase<double>,
    virtual public Teuchos::ParameterListAcceptor
{
public:


  EpetraModelEvaluator();

  EpetraModelEvaluator(
    const RCP<const EpetraExt::ModelEvaluator> &epetraModel,
    const RCP<LinearOpWithSolveFactoryBase<double> > &W_factory
    );

  void initialize(
    const RCP<const EpetraExt::ModelEvaluator> &epetraModel,
    const RCP<LinearOpWithSolveFactoryBase<double> > &W_factory
    );

  RCP<const EpetraExt::ModelEvaluator> getEpetraModel() const;

  void setNominalValues( const ModelEvaluatorBase::InArgs<double>& nominalValues );
  
  void setStateVariableScalingVec(
    const RCP<const Epetra_Vector> &stateVariableScalingVec
    );
  
  RCP<const Epetra_Vector>
  getStateVariableInvScalingVec() const;
  
  RCP<const Epetra_Vector>
  getStateVariableScalingVec() const;
  
  void setStateFunctionScalingVec(
    const RCP<const Epetra_Vector> &stateFunctionScalingVec
    );
  
  RCP<const Epetra_Vector>
  getStateFunctionScalingVec() const;

  void uninitialize(
    RCP<const EpetraExt::ModelEvaluator> *epetraModel = NULL,
    RCP<LinearOpWithSolveFactoryBase<double> > *W_factory = NULL
    );
  
  const ModelEvaluatorBase::InArgs<double>& getFinalPoint() const;

  bool finalPointWasSolved() const;



  std::string description() const;



  void setParameterList(RCP<Teuchos::ParameterList> const& paramList);
  RCP<Teuchos::ParameterList> getNonconstParameterList();
  RCP<Teuchos::ParameterList> unsetParameterList();
  RCP<const Teuchos::ParameterList> getParameterList() const;
  RCP<const Teuchos::ParameterList> getValidParameters() const;



  int Np() const;
  int Ng() const;
  RCP<const VectorSpaceBase<double> > get_x_space() const;
  RCP<const VectorSpaceBase<double> > get_f_space() const;
  RCP<const VectorSpaceBase<double> > get_p_space(int l) const;
  RCP<const Teuchos::Array<std::string> > get_p_names(int l) const;
  RCP<const VectorSpaceBase<double> > get_g_space(int j) const;
  ModelEvaluatorBase::InArgs<double> getNominalValues() const;
  ModelEvaluatorBase::InArgs<double> getLowerBounds() const;
  ModelEvaluatorBase::InArgs<double> getUpperBounds() const;
  RCP<LinearOpWithSolveBase<double> > create_W() const;
  RCP<LinearOpBase<double> > create_W_op() const;
  RCP<const LinearOpWithSolveFactoryBase<double> > get_W_factory() const;
  ModelEvaluatorBase::InArgs<double> createInArgs() const;
  void reportFinalPoint(
    const ModelEvaluatorBase::InArgs<double>      &finalPoint
    ,const bool                                   wasSolved
    );


  // Made public to simplify implementation but this is harmless to be public.
  // Clients should not deal with this type.
  enum EStateFunctionScaling { STATE_FUNC_SCALING_NONE, STATE_FUNC_SCALING_ROW_SUM };

private:


  RCP<LinearOpBase<double> > create_DfDp_op_impl(int l) const;
  RCP<LinearOpBase<double> > create_DgDx_dot_op_impl(int j) const;
  RCP<LinearOpBase<double> > create_DgDx_op_impl(int j) const;
  RCP<LinearOpBase<double> > create_DgDp_op_impl(int j, int l) const;
  ModelEvaluatorBase::OutArgs<double> createOutArgsImpl() const;
  void evalModelImpl(
    const ModelEvaluatorBase::InArgs<double> &inArgs,
    const ModelEvaluatorBase::OutArgs<double> &outArgs
    ) const;


private:

  // ////////////////////
  // Private types

  typedef Teuchos::Array<RCP<const Epetra_Map> > p_map_t;
  typedef Teuchos::Array<RCP<const Epetra_Map> > g_map_t;
  typedef std::vector<bool> p_map_is_local_t;
  typedef std::vector<bool> g_map_is_local_t;

  typedef Teuchos::Array<RCP<const VectorSpaceBase<double> > >
  p_space_t;
  typedef Teuchos::Array<RCP<const VectorSpaceBase<double> > >
  g_space_t;

  // /////////////////////
  // Private data members

  RCP<const EpetraExt::ModelEvaluator> epetraModel_;

  RCP<Teuchos::ParameterList> paramList_;

  RCP<LinearOpWithSolveFactoryBase<double> > W_factory_;

  RCP<const Epetra_Map> x_map_;
  p_map_t p_map_;
  g_map_t g_map_;
  p_map_is_local_t p_map_is_local_;
  p_map_is_local_t g_map_is_local_;
  RCP<const Epetra_Map> f_map_;

  RCP<const VectorSpaceBase<double> > x_space_;
  p_space_t p_space_;
  RCP<const VectorSpaceBase<double> > f_space_;
  g_space_t g_space_;

  mutable ModelEvaluatorBase::InArgs<double> nominalValues_;
  mutable ModelEvaluatorBase::InArgs<double> lowerBounds_;
  mutable ModelEvaluatorBase::InArgs<double> upperBounds_;
  mutable bool nominalValuesAndBoundsAreUpdated_;

  ModelEvaluatorBase::InArgs<double> finalPoint_;

  EStateFunctionScaling stateFunctionScaling_;
  mutable RCP<const Epetra_Vector> stateFunctionScalingVec_;

  RCP<const Epetra_Vector> stateVariableScalingVec_; // S_x
  mutable RCP<const Epetra_Vector> invStateVariableScalingVec_; // inv(S_x)
  mutable EpetraExt::ModelEvaluator::InArgs epetraInArgsScaling_;
  mutable EpetraExt::ModelEvaluator::OutArgs epetraOutArgsScaling_;
  
  mutable RCP<Epetra_Vector> x_unscaled_;
  mutable RCP<Epetra_Vector> x_dot_unscaled_;

  mutable ModelEvaluatorBase::InArgs<double> prototypeInArgs_;
  mutable ModelEvaluatorBase::OutArgs<double> prototypeOutArgs_;
  mutable bool currentInArgsOutArgs_;

  bool finalPointWasSolved_;

  // //////////////////////////
  // Private member functions

  void convertInArgsFromEpetraToThyra(
    const EpetraExt::ModelEvaluator::InArgs &epetraInArgs,
    ModelEvaluatorBase::InArgs<double> *inArgs
    ) const;

  void convertInArgsFromThyraToEpetra(
    const ModelEvaluatorBase::InArgs<double> &inArgs,
    EpetraExt::ModelEvaluator::InArgs *epetraInArgs
    ) const;

  void convertOutArgsFromThyraToEpetra(
    // Thyra form of the outArgs
    const ModelEvaluatorBase::OutArgs<double> &outArgs,
    // Epetra form of the unscaled output arguments 
    EpetraExt::ModelEvaluator::OutArgs *epetraUnscaledOutArgs,
    // The passed-in form(s) of W
    RCP<LinearOpWithSolveBase<double> > *W,
    RCP<LinearOpBase<double> > *W_op,
    // The wrapped Thyra forward operators
    RCP<const LinearOpBase<double> > *fwdW,
    RCP<EpetraLinearOp> *efwdW,
    // The actual Epetra object passed to the underylying EpetraExt::ModelEvaluator
    RCP<Epetra_Operator> *eW
    ) const;

  void preEvalScalingSetup(
    EpetraExt::ModelEvaluator::InArgs *epetraInArgs,
    EpetraExt::ModelEvaluator::OutArgs *epetraUnscaledOutArgs,
    const RCP<Teuchos::FancyOStream> &out,
    const Teuchos::EVerbosityLevel verbLevel
    ) const;

  void postEvalScalingSetup(
    const EpetraExt::ModelEvaluator::OutArgs &epetraUnscaledOutArgs,
    const RCP<Teuchos::FancyOStream> &out,
    const Teuchos::EVerbosityLevel verbLevel
    ) const;

  void finishConvertingOutArgsFromEpetraToThyra(
    const EpetraExt::ModelEvaluator::OutArgs &epetraOutArgs,
    RCP<LinearOpWithSolveBase<double> > &W,
    RCP<LinearOpBase<double> > &W_op,
    RCP<const LinearOpBase<double> > &fwdW,
    RCP<EpetraLinearOp> &efwdW,
    RCP<Epetra_Operator> &eW,
    const ModelEvaluatorBase::OutArgs<double> &outArgs // Output!
    ) const;
  // 2007/08/03: rabartl: Above, I pass many of the RCP objects by non-const
  // reference since I don't want the compiler to perform any implicit
  // conversions on this RCP objects.

  void updateNominalValuesAndBounds() const;

  void updateInArgsOutArgs() const;

  RCP<EpetraLinearOp> create_epetra_W_op() const;
  
};


//
// Utility functions
//


RCP<EpetraModelEvaluator>
epetraModelEvaluator(
  const RCP<const EpetraExt::ModelEvaluator> &epetraModel,
  const RCP<LinearOpWithSolveFactoryBase<double> > &W_factory
  );


ModelEvaluatorBase::EDerivativeMultiVectorOrientation
convert( const EpetraExt::ModelEvaluator::EDerivativeMultiVectorOrientation &mvOrientation );


EpetraExt::ModelEvaluator::EDerivativeMultiVectorOrientation
convert( const ModelEvaluatorBase::EDerivativeMultiVectorOrientation &mvOrientation );


ModelEvaluatorBase::DerivativeProperties
convert( const EpetraExt::ModelEvaluator::DerivativeProperties &derivativeProperties );


ModelEvaluatorBase::DerivativeSupport
convert( const EpetraExt::ModelEvaluator::DerivativeSupport &derivativeSupport );


EpetraExt::ModelEvaluator::Derivative
convert(
  const ModelEvaluatorBase::Derivative<double> &derivative,
  const RCP<const Epetra_Map> &fnc_map,
  const RCP<const Epetra_Map> &var_map
  );


} // namespace Thyra


#endif // THYRA_EPETRA_MODEL_EVALUATOR_HPP