Tempus_StepperExplicitRK_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_StepperExplicitRK_decl_hpp
#define Tempus_StepperExplicitRK_decl_hpp
 
#include "Tempus_config.hpp"
#include "Tempus_StepperRKBase.hpp"
#include "Tempus_StepperExplicit.hpp"
 
namespace Tempus {
 
template <class Scalar>
class StepperExplicitRK : virtual public Tempus::StepperExplicit<Scalar>,
                          virtual public Tempus::StepperRKBase<Scalar> {
 public:
 
 
  virtual void initialize();
 
  virtual void setModel(
      const Teuchos::RCP<const Thyra::ModelEvaluator<Scalar> >& appModel);
 
  virtual void setInitialConditions(
      const Teuchos::RCP<SolutionHistory<Scalar> >& solutionHistory);
 
  virtual void takeStep(
      const Teuchos::RCP<SolutionHistory<Scalar> >& solutionHistory);
 
  virtual Teuchos::RCP<Tempus::StepperState<Scalar> > getDefaultStepperState();
  virtual Scalar getInitTimeStep(
      const Teuchos::RCP<SolutionHistory<Scalar> >& solutionHistory) const;
 
  virtual bool isExplicit() const { return true; }
  virtual bool isImplicit() const { return false; }
  virtual bool isExplicitImplicit() const
  {
    return isExplicit() && isImplicit();
  }
  virtual bool isOneStepMethod() const { return true; }
  virtual bool isMultiStepMethod() const { return !isOneStepMethod(); }
 
  virtual OrderODE getOrderODE() const { return FIRST_ORDER_ODE; }
 
  virtual std::string getDescription() const = 0;
 
  virtual Teuchos::RCP<const Teuchos::ParameterList> getValidParameters() const;
 
  Teuchos::RCP<Teuchos::ParameterList> getValidParametersBasicERK() const;
 
 
  virtual void describe(Teuchos::FancyOStream& out,
                        const Teuchos::EVerbosityLevel verbLevel) const;
 
  virtual bool isValidSetup(Teuchos::FancyOStream& out) const;
 
 protected:
  virtual void setupDefault();
 
  virtual void setup(
      const Teuchos::RCP<const Thyra::ModelEvaluator<Scalar> >& appModel,
      bool useFSAL, std::string ICConsistency, bool ICConsistencyCheck,
      bool useEmbedded,
      const Teuchos::RCP<StepperRKAppAction<Scalar> >& stepperRKAppAction);
 
  virtual void setupTableau() = 0;
 
  virtual void setEmbeddedMemory();
 
  std::vector<Teuchos::RCP<Thyra::VectorBase<Scalar> > > stageXDot_;
};
 
}  // namespace Tempus
 
#endif  // Tempus_StepperExplicitRK_decl_hpp