Rythmos_StepperHelpers_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.
//
// 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.
//
// 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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// Questions? Contact Todd S. Coffey (tscoffe@sandia.gov)
//
// ***********************************************************************
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#ifndef RYTHMOS_STEPPER_HELPERS_DECL_HPP
#define RYTHMOS_STEPPER_HELPERS_DECL_HPP


#include "Rythmos_Types.hpp"
#include "Rythmos_StepperBase.hpp"
#include "Thyra_ModelEvaluator.hpp"
#include "Rythmos_InterpolatorBase.hpp"
#include "Teuchos_ConstNonconstObjectContainer.hpp"

namespace Rythmos {


template<class Scalar>
void assertValidModel(
  const StepperBase<Scalar>& stepper,
  const Thyra::ModelEvaluator<Scalar>& model
  );


template<class Scalar>
bool setDefaultInitialConditionFromNominalValues(
  const Thyra::ModelEvaluator<Scalar>& model,
  const Ptr<StepperBase<Scalar> >& stepper
  );

template<class Scalar>
void restart( StepperBase<Scalar> *stepper );

template<class Scalar>
void eval_model_explicit(
    const Thyra::ModelEvaluator<Scalar> &model,
    Thyra::ModelEvaluatorBase::InArgs<Scalar> &basePoint,
    const VectorBase<Scalar>& x_in,
    const typename Thyra::ModelEvaluatorBase::InArgs<Scalar>::ScalarMag &t_in,
    const Ptr<VectorBase<Scalar> >& f_out,
    const Scalar scaled_dt = 0,
    const Scalar stage_point = 0 /* default value */
    );


#ifdef HAVE_THYRA_ME_POLYNOMIAL


template<class Scalar>
void eval_model_explicit_poly(
    const Thyra::ModelEvaluator<Scalar> &model,
    Thyra::ModelEvaluatorBase::InArgs<Scalar> &basePoint,
    const Teuchos::Polynomial< VectorBase<Scalar> > &x_poly,
    const typename Thyra::ModelEvaluatorBase::InArgs<Scalar>::ScalarMag &t,
    const Ptr<Teuchos::Polynomial<VectorBase<Scalar> > >& f_poly
    );


#endif // HAVE_THYRA_ME_POLYNOMIAL


// This function simply returns the boundary points if they're asked for.  Otherwise it throws.
template<class Scalar>
void defaultGetPoints(
    const Scalar& t_old, // required inArg
    const Ptr<const VectorBase<Scalar> >& x_old, // optional inArg
    const Ptr<const VectorBase<Scalar> >& xdot_old, // optional inArg
    const Scalar& t, // required inArg
    const Ptr<const VectorBase<Scalar> >& x, // optional inArg
    const Ptr<const VectorBase<Scalar> >& xdot, // optional inArg
    const Array<Scalar>& time_vec, // required inArg
    const Ptr<Array<Teuchos::RCP<const Thyra::VectorBase<Scalar> > > >& x_vec, // optional outArg
    const Ptr<Array<Teuchos::RCP<const Thyra::VectorBase<Scalar> > > >& xdot_vec, // optional outArg
    const Ptr<Array<typename Teuchos::ScalarTraits<Scalar>::magnitudeType> >& accuracy_vec, // optional outArg
    const Ptr<InterpolatorBase<Scalar> > interpolator // optional inArg (note:  not const)
    );

// This function sets a model on a stepper by creating the appropriate
// ConstNonconstObjectContainer object.
template<class Scalar>
  void setStepperModel(
      const Ptr<StepperBase<Scalar> >& stepper,
      const RCP<const Thyra::ModelEvaluator<Scalar> >& model
      );

template<class Scalar>
  void setStepperModel(
      const Ptr<StepperBase<Scalar> >& stepper,
      const RCP<Thyra::ModelEvaluator<Scalar> >& model
      );

template<class Scalar>
  void setStepperModel(
      const Ptr<StepperBase<Scalar> >& stepper,
      Teuchos::ConstNonconstObjectContainer<Thyra::ModelEvaluator<Scalar> >& 
        model
      );


} // namespace Rythmos


#endif // RYTHMOS_STEPPER_HELPERS_DECL_HPP