Rythmos_TimeStepNonlinearSolver_decl.hpp

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// ***********************************************************************
//
//                           Rythmos Package
//                 Copyright (2006) 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
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// You should have received a copy of the GNU Lesser General Public
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#ifndef RYTHMOS_TIME_STEP_NONLINEAR_SOLVER_DECL_HPP
#define RYTHMOS_TIME_STEP_NONLINEAR_SOLVER_DECL_HPP

#include "Rythmos_Types.hpp"
#include "Thyra_NonlinearSolverBase.hpp"

namespace Rythmos {


template <class Scalar>
class TimeStepNonlinearSolver : public Thyra::NonlinearSolverBase<Scalar> {
public:

  typedef Teuchos::ScalarTraits<Scalar> ST;
  typedef typename ST::magnitudeType ScalarMag;
  typedef Teuchos::ScalarTraits<ScalarMag> SMT;


  TimeStepNonlinearSolver();



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



  void setModel(
    const RCP<const Thyra::ModelEvaluator<Scalar> > &model
    );
  RCP<const Thyra::ModelEvaluator<Scalar> > getModel() const;
  Thyra::SolveStatus<Scalar> solve(
    Thyra::VectorBase<Scalar> *x,
    const Thyra::SolveCriteria<Scalar> *solveCriteria,
    Thyra::VectorBase<Scalar> *delta = NULL
    );
  bool supportsCloning() const;
  RCP<Thyra::NonlinearSolverBase<Scalar> >
  cloneNonlinearSolver() const;  
  RCP<const Thyra::VectorBase<Scalar> > get_current_x() const;
  bool is_W_current() const;
  RCP<Thyra::LinearOpWithSolveBase<Scalar> >
  get_nonconst_W(const bool forceUpToDate);
  RCP<const Thyra::LinearOpWithSolveBase<Scalar> > get_W() const;
  void set_W_is_current(bool W_is_current);


private:

  // private object data members

  RCP<ParameterList> paramList_;
  RCP<const Thyra::ModelEvaluator<Scalar> > model_;
  RCP<Thyra::LinearOpWithSolveBase<Scalar> > J_;
  RCP<Thyra::VectorBase<Scalar> > current_x_;
  bool J_is_current_;

  double defaultTol_;
  int defaultMaxIters_;
  double nonlinearSafetyFactor_;
  double linearSafetyFactor_;
  double RMinFraction_;
  bool throwOnLinearSolveFailure_;

  // static class data members

  static const std::string DefaultTol_name_;
  static const double DefaultTol_default_;

  static const std::string DefaultMaxIters_name_;
  static const int DefaultMaxIters_default_;

  static const std::string NonlinearSafetyFactor_name_;
  static const double NonlinearSafetyFactor_default_;

  static const std::string LinearSafetyFactor_name_;
  static const double LinearSafetyFactor_default_;

  static const std::string RMinFraction_name_;
  static const double RMinFraction_default_;

  static const std::string ThrownOnLinearSolveFailure_name_;
  static const bool ThrownOnLinearSolveFailure_default_;

};


template <class Scalar>
RCP<TimeStepNonlinearSolver<Scalar> > timeStepNonlinearSolver();


template <class Scalar>
RCP<TimeStepNonlinearSolver<Scalar> >
timeStepNonlinearSolver(const RCP<ParameterList> &pl);

} // namespace Rythmos


#endif // RYTHMOS_TIME_STEP_NONLINEAR_SOLVER_DECL_HPP