Tempus_TimeDerivative.hpp

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// @HEADER
// ****************************************************************************
//                Tempus: Copyright (2017) Sandia Corporation
//
// Distributed under BSD 3-clause license (See accompanying file Copyright.txt)
// ****************************************************************************
// @HEADER

#ifndef Tempus_TimeDerivative_hpp
#define Tempus_TimeDerivative_hpp

// Thrya
#include "Thyra_VectorBase.hpp"
#include "Thyra_VectorStdOps.hpp"

#include "Tempus_config.hpp"

namespace Tempus {

template <typename Scalar>
class TimeDerivative
{
public:

  virtual void compute(
    Teuchos::RCP<const Thyra::VectorBase<Scalar> > x,
    Teuchos::RCP<      Thyra::VectorBase<Scalar> > xDot,
    Teuchos::RCP<      Thyra::VectorBase<Scalar> > xDotDot = Teuchos::null) = 0;

  // Derived classes may need an initialize, but the argument lists will vary.
  // virtual void initialize(Scalar dt, ... ) = 0;
};


} // namespace Tempus
#endif // Tempus_TimeDerivative_hpp