libtrilinos-xpetra-dev 12.12.1-5 / usr / include / trilinos / Xpetra_TpetraVector.hpp

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//             Xpetra: A linear algebra interface package
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#ifndef XPETRA_TPETRAVECTOR_HPP
#define XPETRA_TPETRAVECTOR_HPP

/* this file is automatically generated - do not edit (see script/tpetra.py) */

#include "Xpetra_TpetraConfigDefs.hpp"

#include "Xpetra_Vector.hpp"
#include "Xpetra_MultiVector.hpp"
#include "Xpetra_TpetraMultiVector.hpp"

#include "Xpetra_TpetraMap.hpp" //TMP
#include "Xpetra_Utils.hpp"
#include "Xpetra_TpetraImport.hpp"
#include "Xpetra_TpetraExport.hpp"

#include "Tpetra_Vector.hpp"

namespace Xpetra {

  // TODO: move that elsewhere
  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  RCP<Tpetra::Vector<Scalar,LocalOrdinal, GlobalOrdinal, Node> > toTpetra(Vector<Scalar,LocalOrdinal, GlobalOrdinal, Node> &);

  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  RCP<Tpetra::Vector<Scalar,LocalOrdinal, GlobalOrdinal, Node> > toTpetra(const Vector<Scalar,LocalOrdinal, GlobalOrdinal, Node> &);

  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  RCP<const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node > > toXpetra(RCP<const Tpetra::Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > vec);

  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  RCP<Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node > >       toXpetra(RCP<Tpetra::Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > vec);

  //
  //

  template <class Scalar = Vector<>::scalar_type,
            class LocalOrdinal = typename Vector<Scalar>::local_ordinal_type,
            class GlobalOrdinal = typename Vector<Scalar, LocalOrdinal>::global_ordinal_type,
            class Node = typename Vector<Scalar, LocalOrdinal, GlobalOrdinal>::node_type>
  class TpetraVector
    : public virtual Vector<Scalar,LocalOrdinal,GlobalOrdinal,Node>,
      public TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>
  {
#undef XPETRA_TPETRAMULTIVECTOR_SHORT
#include "Xpetra_UseShortNames.hpp"

  public:

    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::dot;                   // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::norm1;                 // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::norm2;                 // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::normInf;               // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::meanValue;             // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::replaceGlobalValue;    // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::sumIntoGlobalValue;    // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::replaceLocalValue;     // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::sumIntoLocalValue;     // overloading, not hiding

    //! @name Constructor/Destructor Methods
    //@{

    //! Sets all vector entries to zero.
    TpetraVector(const Teuchos::RCP<const Map> &map, bool zeroOut=true)
      : TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> (map,1,zeroOut) { }

    //! Set multi-vector values from an array using Teuchos memory management classes. (copy)
    TpetraVector(const Teuchos::RCP<const Map> &map, const Teuchos::ArrayView< const Scalar > &A)
      : TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> (map,A,map->getNodeNumElements(),1) { }

    //! Destructor.
    virtual ~TpetraVector() { }

    //@}

    //! @name Post-construction modification routines
    //@{

    //! Replace current value at the specified location with specified value.
    void replaceGlobalValue(GlobalOrdinal globalRow, const Scalar &value) { XPETRA_MONITOR("TpetraVector::replaceGlobalValue"); getTpetra_Vector()->replaceGlobalValue(globalRow, value); }

    //! Adds specified value to existing value at the specified location.
    void sumIntoGlobalValue(GlobalOrdinal globalRow, const Scalar &value) { XPETRA_MONITOR("TpetraVector::sumIntoGlobalValue"); getTpetra_Vector()->sumIntoGlobalValue(globalRow, value); }

    //! Replace current value at the specified location with specified values.
    void replaceLocalValue(LocalOrdinal myRow, const Scalar &value) { XPETRA_MONITOR("TpetraVector::replaceLocalValue"); getTpetra_Vector()->replaceLocalValue(myRow, value); }

    //! Adds specified value to existing value at the specified location.
    void sumIntoLocalValue(LocalOrdinal myRow, const Scalar &value) { XPETRA_MONITOR("TpetraVector::sumIntoLocalValue"); getTpetra_Vector()->sumIntoLocalValue(myRow, value); }

    //@}

    //! @name Mathematical methods
    //@{

    //! Return 1-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType norm1() const { XPETRA_MONITOR("TpetraVector::norm1"); return getTpetra_Vector()->norm1(); }

    //! Compute 2-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType norm2() const { XPETRA_MONITOR("TpetraVector::norm2"); return getTpetra_Vector()->norm2(); }

    //! Compute Inf-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType normInf() const { XPETRA_MONITOR("TpetraVector::normInf"); return getTpetra_Vector()->normInf(); }

    //! Compute mean (average) value of this Vector.
    Scalar meanValue() const { XPETRA_MONITOR("TpetraVector::meanValue"); return getTpetra_Vector()->meanValue(); }

    //@}

    //! @name Overridden from Teuchos::Describable
    //@{

    //! Return a simple one-line description of this object.
    std::string description() const { XPETRA_MONITOR("TpetraVector::description"); return getTpetra_Vector()->description(); }

    //! Print the object with some verbosity level to an FancyOStream object.
    void describe(Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const { XPETRA_MONITOR("TpetraVector::describe"); getTpetra_Vector()->describe(out, verbLevel); }

    //@}

    //! Computes dot product of this Vector against input Vector x.
    Scalar dot(const Vector &a) const { XPETRA_MONITOR("TpetraVector::dot"); return getTpetra_Vector()->dot(*toTpetra(a)); }

    //! Compute Weighted 2-norm (RMS Norm) of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType normWeighted(const Vector &weights) const { XPETRA_MONITOR("TpetraVector::normWeighted"); return getTpetra_Vector()->normWeighted(*toTpetra(weights)); }


    //! @name Xpetra specific
    //@{

    //! TpetraMultiVector constructor to wrap a Tpetra::MultiVector object
    TpetraVector(const Teuchos::RCP<Tpetra::Vector<Scalar,LocalOrdinal,GlobalOrdinal,Node> > &vec) : TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> (vec) { }

    //! Get the underlying Tpetra multivector
    RCP<Tpetra::Vector<Scalar,LocalOrdinal,GlobalOrdinal,Node> > getTpetra_Vector() const { return this->TpetraMultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node >::getTpetra_MultiVector()->getVectorNonConst(0); }

#ifdef HAVE_XPETRA_KOKKOS_REFACTOR

    typedef typename Xpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::dual_view_type dual_view_type;

    typename dual_view_type::t_host_um getHostLocalView () const {
      return this->TpetraMultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node >::getHostLocalView();
    }

    typename dual_view_type::t_dev_um getDeviceLocalView() const {
      return this->TpetraMultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node >::getDeviceLocalView();
    }

    /// \brief Return an unmanaged non-const view of the local data on a specific device.
    /// \tparam TargetDeviceType The Kokkos Device type whose data to return.
    ///
    /// \warning DO NOT USE THIS FUNCTION! There is no reason why you are working directly
    ///          with the Xpetra::TpetraVector object. To write a code which is independent
    ///          from the underlying linear algebra package you should always use the abstract class,
    ///          i.e. Xpetra::Vector!
    ///
    /// \warning Be aware that the view on the vector data is non-persisting, i.e.
    ///          only valid as long as the vector does not run of scope!
    template<class TargetDeviceType>
    typename Kokkos::Impl::if_c<
      Kokkos::Impl::is_same<
        typename dual_view_type::t_dev_um::execution_space::memory_space,
        typename TargetDeviceType::memory_space>::value,
        typename dual_view_type::t_dev_um,
        typename dual_view_type::t_host_um>::type
    getLocalView () const {
      return this->TpetraMultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node >::template getLocalView<TargetDeviceType>();
    }
#endif

    //@}

  }; // TpetraVector class

#ifdef HAVE_XPETRA_EPETRA

#if ((defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_OPENMP) || !defined(HAVE_TPETRA_INST_INT_INT))) || \
    (!defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_SERIAL) || !defined(HAVE_TPETRA_INST_INT_INT))))

  // specialization of TpetraVector for GO=int and NO=SerialNode
  template <class Scalar>
  class TpetraVector<Scalar, int, int, EpetraNode>
    : public virtual Vector<Scalar,int,int,EpetraNode>,
      public TpetraMultiVector<Scalar,int,int,EpetraNode>
  {
    typedef int LocalOrdinal;
    typedef int GlobalOrdinal;
    typedef EpetraNode Node;

#undef XPETRA_TPETRAMULTIVECTOR_SHORT
#include "Xpetra_UseShortNames.hpp"

  public:

    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::dot;                   // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::norm1;                 // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::norm2;                 // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::normInf;               // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::meanValue;             // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::replaceGlobalValue;    // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::sumIntoGlobalValue;    // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::replaceLocalValue;     // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::sumIntoLocalValue;     // overloading, not hiding

    //! @name Constructor/Destructor Methods
    //@{

    //! Sets all vector entries to zero.
    TpetraVector(const Teuchos::RCP<const Map> &map, bool zeroOut=true)
      : TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> (map,1,zeroOut) {
      XPETRA_TPETRA_ETI_EXCEPTION( typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name() , typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name(), "int", typeid(EpetraNode).name() );
    }

    //! Set multi-vector values from an array using Teuchos memory management classes. (copy)
    TpetraVector(const Teuchos::RCP<const Map> &map, const Teuchos::ArrayView< const Scalar > &A)
      : TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> (map,A,map->getNodeNumElements(),1) {
      XPETRA_TPETRA_ETI_EXCEPTION( typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name() , typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name(), "int", typeid(EpetraNode).name() );
    }

    //! Destructor.
    virtual ~TpetraVector() { }

    //@}

    //! @name Post-construction modification routines
    //@{

    //! Replace current value at the specified location with specified value.
    void replaceGlobalValue(GlobalOrdinal globalRow, const Scalar &value) { }

    //! Adds specified value to existing value at the specified location.
    void sumIntoGlobalValue(GlobalOrdinal globalRow, const Scalar &value) { }

    //! Replace current value at the specified location with specified values.
    void replaceLocalValue(LocalOrdinal myRow, const Scalar &value) { }

    //! Adds specified value to existing value at the specified location.
    void sumIntoLocalValue(LocalOrdinal myRow, const Scalar &value) { }

    //@}

    //! @name Mathematical methods
    //@{

    //! Return 1-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType norm1() const { return Teuchos::ScalarTraits< Scalar >::magnitude(Teuchos::ScalarTraits< Scalar >::zero()); }

    //! Compute 2-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType norm2() const { return Teuchos::ScalarTraits< Scalar >::magnitude(Teuchos::ScalarTraits< Scalar >::zero()); }

    //! Compute Inf-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType normInf() const { return Teuchos::ScalarTraits< Scalar >::magnitude(Teuchos::ScalarTraits< Scalar >::zero()); }

    //! Compute mean (average) value of this Vector.
    Scalar meanValue() const { return Teuchos::ScalarTraits< Scalar >::zero(); }

    //@}

    //! @name Overridden from Teuchos::Describable
    //@{

    //! Return a simple one-line description of this object.
    std::string description() const { return std::string(""); }

    //! Print the object with some verbosity level to an FancyOStream object.
    void describe(Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const { }

    //@}

    //! Computes dot product of this Vector against input Vector x.
    Scalar dot(const Vector &a) const { return Teuchos::ScalarTraits< Scalar >::zero(); }

    //! Compute Weighted 2-norm (RMS Norm) of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType normWeighted(const Vector &weights) const { return Teuchos::ScalarTraits< Scalar >::magnitude(Teuchos::ScalarTraits< Scalar >::zero()); }


    //! @name Xpetra specific
    //@{

    //! TpetraMultiVector constructor to wrap a Tpetra::MultiVector object
    TpetraVector(const Teuchos::RCP<Tpetra::Vector<Scalar,LocalOrdinal,GlobalOrdinal,Node> > &vec) {
      XPETRA_TPETRA_ETI_EXCEPTION( typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name() , typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name(), "int", typeid(EpetraNode).name() );
    }

    //! Get the underlying Tpetra multivector
    RCP<Tpetra::Vector<Scalar,LocalOrdinal,GlobalOrdinal,Node> > getTpetra_Vector() const { return Teuchos::null; }

#ifdef HAVE_XPETRA_KOKKOS_REFACTOR

    typedef typename Xpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::dual_view_type dual_view_type;

    typename dual_view_type::t_host_um getHostLocalView () const {
      typename dual_view_type::t_host_um ret;
      return ret;
    }

    typename dual_view_type::t_dev_um getDeviceLocalView() const {
      typename dual_view_type::t_dev_um ret;
      return ret;
    }

    /// \brief Return an unmanaged non-const view of the local data on a specific device.
    /// \tparam TargetDeviceType The Kokkos Device type whose data to return.
    ///
    /// \warning DO NOT USE THIS FUNCTION! There is no reason why you are working directly
    ///          with the Xpetra::TpetraVector object. To write a code which is independent
    ///          from the underlying linear algebra package you should always use the abstract class,
    ///          i.e. Xpetra::Vector!
    ///
    /// \warning Be aware that the view on the vector data is non-persisting, i.e.
    ///          only valid as long as the vector does not run of scope!
    template<class TargetDeviceType>
    typename Kokkos::Impl::if_c<
      Kokkos::Impl::is_same<
        typename dual_view_type::t_dev_um::execution_space::memory_space,
        typename TargetDeviceType::memory_space>::value,
        typename dual_view_type::t_dev_um,
        typename dual_view_type::t_host_um>::type
    getLocalView () const {
      typename Kokkos::Impl::if_c<
        Kokkos::Impl::is_same<
          typename dual_view_type::t_dev_um::execution_space::memory_space,
          typename TargetDeviceType::memory_space>::value,
          typename dual_view_type::t_dev_um,
          typename dual_view_type::t_host_um>::type ret;
      return ret;
    }
#endif

    //@}

  }; // TpetraVector class (specialization on GO=int, NO=EpetraNode)
#endif

#if ((defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_OPENMP) || !defined(HAVE_TPETRA_INST_INT_LONG_LONG))) || \
    (!defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_SERIAL) || !defined(HAVE_TPETRA_INST_INT_LONG_LONG))))

  // specialization of TpetraVector for GO=int and NO=SerialNode
  template <class Scalar>
  class TpetraVector<Scalar, int, long long, EpetraNode>
    : public virtual Vector<Scalar,int,long long,EpetraNode>,
      public TpetraMultiVector<Scalar,int,long long,EpetraNode>
  {
    typedef int LocalOrdinal;
    typedef long long GlobalOrdinal;
    typedef EpetraNode Node;

#undef XPETRA_TPETRAMULTIVECTOR_SHORT
#include "Xpetra_UseShortNames.hpp"

  public:

    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::dot;                   // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::norm1;                 // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::norm2;                 // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::normInf;               // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::meanValue;             // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::replaceGlobalValue;    // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::sumIntoGlobalValue;    // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::replaceLocalValue;     // overloading, not hiding
    using TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>::sumIntoLocalValue;     // overloading, not hiding

    //! @name Constructor/Destructor Methods
    //@{

    //! Sets all vector entries to zero.
    TpetraVector(const Teuchos::RCP<const Map> &map, bool zeroOut=true)
      : TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> (map,1,zeroOut) {
      XPETRA_TPETRA_ETI_EXCEPTION( typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name() , typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name(), "long long", typeid(EpetraNode).name() );
    }

    //! Set multi-vector values from an array using Teuchos memory management classes. (copy)
    TpetraVector(const Teuchos::RCP<const Map> &map, const Teuchos::ArrayView< const Scalar > &A)
      : TpetraMultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> (map,A,map->getNodeNumElements(),1) {
      XPETRA_TPETRA_ETI_EXCEPTION( typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name() , typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name(), "long long", typeid(EpetraNode).name() );
    }

    //! Destructor.
    virtual ~TpetraVector() { }

    //@}

    //! @name Post-construction modification routines
    //@{

    //! Replace current value at the specified location with specified value.
    void replaceGlobalValue(GlobalOrdinal globalRow, const Scalar &value) { }

    //! Adds specified value to existing value at the specified location.
    void sumIntoGlobalValue(GlobalOrdinal globalRow, const Scalar &value) { }

    //! Replace current value at the specified location with specified values.
    void replaceLocalValue(LocalOrdinal myRow, const Scalar &value) { }

    //! Adds specified value to existing value at the specified location.
    void sumIntoLocalValue(LocalOrdinal myRow, const Scalar &value) { }

    //@}

    //! @name Mathematical methods
    //@{

    //! Return 1-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType norm1() const { return Teuchos::ScalarTraits< Scalar >::magnitude(Teuchos::ScalarTraits< Scalar >::zero()); }

    //! Compute 2-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType norm2() const { return Teuchos::ScalarTraits< Scalar >::magnitude(Teuchos::ScalarTraits< Scalar >::zero()); }

    //! Compute Inf-norm of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType normInf() const { return Teuchos::ScalarTraits< Scalar >::magnitude(Teuchos::ScalarTraits< Scalar >::zero()); }

    //! Compute mean (average) value of this Vector.
    Scalar meanValue() const { return Teuchos::ScalarTraits< Scalar >::zero(); }

    //@}

    //! @name Overridden from Teuchos::Describable
    //@{

    //! Return a simple one-line description of this object.
    std::string description() const { return std::string(""); }

    //! Print the object with some verbosity level to an FancyOStream object.
    void describe(Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const { }

    //@}

    //! Computes dot product of this Vector against input Vector x.
    Scalar dot(const Vector &a) const { return Teuchos::ScalarTraits< Scalar >::zero(); }

    //! Compute Weighted 2-norm (RMS Norm) of this Vector.
    typename Teuchos::ScalarTraits< Scalar >::magnitudeType normWeighted(const Vector &weights) const { return Teuchos::ScalarTraits< Scalar >::magnitude(Teuchos::ScalarTraits< Scalar >::zero()); }


    //! @name Xpetra specific
    //@{

    //! TpetraMultiVector constructor to wrap a Tpetra::MultiVector object
    TpetraVector(const Teuchos::RCP<Tpetra::Vector<Scalar,LocalOrdinal,GlobalOrdinal,Node> > &vec) {
      XPETRA_TPETRA_ETI_EXCEPTION( typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name() , typeid(TpetraVector<Scalar,LocalOrdinal,GlobalOrdinal,EpetraNode>).name(), "long long", typeid(EpetraNode).name() );
    }

    //! Get the underlying Tpetra multivector
    RCP<Tpetra::Vector<Scalar,LocalOrdinal,GlobalOrdinal,Node> > getTpetra_Vector() const { return Teuchos::null; }

#ifdef HAVE_XPETRA_KOKKOS_REFACTOR

    typedef typename Xpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::dual_view_type dual_view_type;

    typename dual_view_type::t_host_um getHostLocalView () const {
      typename dual_view_type::t_host_um ret;
      return ret;
    }

    typename dual_view_type::t_dev_um getDeviceLocalView() const {
      typename dual_view_type::t_dev_um ret;
      return ret;
    }

    /// \brief Return an unmanaged non-const view of the local data on a specific device.
    /// \tparam TargetDeviceType The Kokkos Device type whose data to return.
    ///
    /// \warning DO NOT USE THIS FUNCTION! There is no reason why you are working directly
    ///          with the Xpetra::TpetraVector object. To write a code which is independent
    ///          from the underlying linear algebra package you should always use the abstract class,
    ///          i.e. Xpetra::Vector!
    ///
    /// \warning Be aware that the view on the vector data is non-persisting, i.e.
    ///          only valid as long as the vector does not run of scope!
    template<class TargetDeviceType>
    typename Kokkos::Impl::if_c<
      Kokkos::Impl::is_same<
        typename dual_view_type::t_dev_um::execution_space::memory_space,
        typename TargetDeviceType::memory_space>::value,
        typename dual_view_type::t_dev_um,
        typename dual_view_type::t_host_um>::type
    getLocalView () const {
      typename Kokkos::Impl::if_c<
        Kokkos::Impl::is_same<
          typename dual_view_type::t_dev_um::execution_space::memory_space,
          typename TargetDeviceType::memory_space>::value,
          typename dual_view_type::t_dev_um,
          typename dual_view_type::t_host_um>::type ret;
      return ret;
    }
#endif
    //@}

  }; // TpetraVector class (specialization on GO=long long, NO=EpetraNode)
#endif

#endif // HAVE_XPETRA_EPETRA

  // TODO: move that elsewhere
  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  RCP<Tpetra::Vector< Scalar,LocalOrdinal, GlobalOrdinal, Node> > toTpetra(Vector< Scalar,LocalOrdinal, GlobalOrdinal, Node> &x) {
    typedef TpetraVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > TpetraVectorClass;
    XPETRA_DYNAMIC_CAST(      TpetraVectorClass, x, tX, "toTpetra");
    return tX.getTpetra_Vector();
  }

  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  RCP<Tpetra::Vector< Scalar,LocalOrdinal, GlobalOrdinal, Node> > toTpetra(const Vector< Scalar,LocalOrdinal, GlobalOrdinal, Node> &x) {
    typedef TpetraVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > TpetraVectorClass;
    XPETRA_DYNAMIC_CAST(const TpetraVectorClass, x, tX, "toTpetra");
    return tX.getTpetra_Vector();
  }

  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  RCP<Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node > > toXpetra(RCP<Tpetra::Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > vec) {
    if (!vec.is_null())
      return rcp(new TpetraVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>(vec));

    return Teuchos::null;
  }

  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  RCP<const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node > > toXpetra(RCP<const Tpetra::Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > vec) {
    // We cast away the const to wrap the Tpetra vector into an Xpetra object. But it's OK because the Xpetra vector is returned as const.
    return toXpetra(Teuchos::rcp_const_cast<Tpetra::Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node > > (vec));
  }

  //

} // Xpetra namespace

#define XPETRA_TPETRAVECTOR_SHORT
#endif // XPETRA_TPETRAVECTOR_HPP