VanDerPol_IMEXPart_ImplicitModel_decl.hpp

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//@HEADER
// *****************************************************************************
//          Tempus: Time Integration and Sensitivity Analysis Package
//
// Copyright 2017 NTESS and the Tempus contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
//@HEADER

#ifndef TEMPUS_TEST_VANDERPOL_IMEXPart_ImplicitMODEL_DECL_HPP
#define TEMPUS_TEST_VANDERPOL_IMEXPart_ImplicitMODEL_DECL_HPP

#include "Thyra_ModelEvaluator.hpp"               // Interface
#include "Thyra_StateFuncModelEvaluatorBase.hpp"  // Implementation

#include "Teuchos_ParameterListAcceptorDefaultBase.hpp"
#include "Teuchos_ParameterList.hpp"

namespace Tempus_Test {

template <class Scalar>
class VanDerPol_IMEXPart_ImplicitModel
  : public Thyra::StateFuncModelEvaluatorBase<Scalar>,
    public Teuchos::ParameterListAcceptorDefaultBase {
 public:
  // Constructor
  VanDerPol_IMEXPart_ImplicitModel(
      Teuchos::RCP<Teuchos::ParameterList> pList = Teuchos::null);

  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > get_x_space() const;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > get_f_space() const;
  Thyra::ModelEvaluatorBase::InArgs<Scalar> getNominalValues() const;
  Teuchos::RCP<Thyra::LinearOpWithSolveBase<Scalar> > create_W() const;
  Teuchos::RCP<Thyra::LinearOpBase<Scalar> > create_W_op() const;
  Teuchos::RCP<const Thyra::LinearOpWithSolveFactoryBase<Scalar> >
  get_W_factory() const;
  Thyra::ModelEvaluatorBase::InArgs<Scalar> createInArgs() const;

  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > get_p_space(int l) const;
  Teuchos::RCP<const Teuchos::Array<std::string> > get_p_names(int l) const;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > get_g_space(int j) const;

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

 private:
  void setupInOutArgs_() const;

  Thyra::ModelEvaluatorBase::OutArgs<Scalar> createOutArgsImpl() const;
  void evalModelImpl(
      const Thyra::ModelEvaluatorBase::InArgs<Scalar> &inArgs_bar,
      const Thyra::ModelEvaluatorBase::OutArgs<Scalar> &outArgs_bar) const;

  int dim_;                
  int Np_;                 
  int np_;                 
  int Ng_;                 
  int ng_;                 
  bool haveIC_;            
  bool useDfDpAsTangent_;  
  mutable bool isInitialized_;
  mutable Thyra::ModelEvaluatorBase::InArgs<Scalar> inArgs_;
  mutable Thyra::ModelEvaluatorBase::OutArgs<Scalar> outArgs_;
  mutable Thyra::ModelEvaluatorBase::InArgs<Scalar> nominalValues_;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > x_space_;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > f_space_;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > p_space_;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > y_space_;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > dxdp_space_;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > dydp_space_;
  Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > g_space_;

  // Parameters for the model:
  Scalar epsilon_;  
  Scalar t0_ic_;    
  Scalar x0_ic_;    
  Scalar x1_ic_;    
};

}  // namespace Tempus_Test
#endif  // TEMPUS_TEST_VANDERPOL_IMEXPart_ImplicitMODEL_DECL_HPP