Thyra_NonlinearSolverBase.hpp

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

#include "Teuchos_Describable.hpp"
#include "Thyra_LinearOpWithSolveBaseDecl.hpp"
#include "Thyra_ModelEvaluator.hpp"

namespace Thyra {

template <class Scalar>
class NonlinearSolverBase
  : virtual public Teuchos::Describable
  , virtual public Teuchos::VerboseObject<NonlinearSolverBase<Scalar> >
{
public:
  

  virtual void setModel(
    const Teuchos::RefCountPtr<const ModelEvaluator<Scalar> > &model
    ) = 0;
  
  virtual Teuchos::RefCountPtr<const ModelEvaluator<Scalar> > getModel() const = 0;
  
  virtual SolveStatus<Scalar> solve(
    VectorBase<Scalar>             *x
    ,const SolveCriteria<Scalar>   *solveCriteria = NULL
    ,VectorBase<Scalar>            *delta = NULL
    ) = 0;
  
  
  
  virtual Teuchos::RefCountPtr<const VectorBase<Scalar> > get_current_x() const;

  virtual bool is_W_current() const;

  virtual Teuchos::RefCountPtr<LinearOpWithSolveBase<Scalar> > get_nonconst_W();

  virtual Teuchos::RefCountPtr<const LinearOpWithSolveBase<Scalar> > get_W() const;

  virtual void set_W_is_current(bool W_is_current);


};

// ///////////////////////////////
// Implementations

template <class Scalar>
Teuchos::RefCountPtr<const VectorBase<Scalar> >
NonlinearSolverBase<Scalar>::get_current_x() const
{
  return Teuchos::null;
}

template <class Scalar>
bool NonlinearSolverBase<Scalar>::is_W_current() const
{
  return false;
}

template <class Scalar>
Teuchos::RefCountPtr<LinearOpWithSolveBase<Scalar> >
NonlinearSolverBase<Scalar>::get_nonconst_W()
{
  return Teuchos::null;
}

template <class Scalar>
Teuchos::RefCountPtr<const LinearOpWithSolveBase<Scalar> >
NonlinearSolverBase<Scalar>::get_W() const
{
  return Teuchos::null;
}

template <class Scalar>
void NonlinearSolverBase<Scalar>::set_W_is_current(bool W_is_current)
{
  TEST_FOR_EXCEPTION(
    true,std::logic_error
    ,"Error, the subclass object described as " << this->description() << " did not"
    " override this function!"
    );
}

} // namespace Thyra

#endif // THYRA_NONLINEAR_SOLVER_BASE_HPP

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