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//@HEADER
// ************************************************************************
//
//          Kokkos: Node API and Parallel Node Kernels
//              Copyright (2008) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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// modification, are permitted provided that the following conditions are
// met:
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//
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
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#ifndef __TSQR_Trilinos_TsqrFactory_TbbTsqr_hpp
#define __TSQR_Trilinos_TsqrFactory_TbbTsqr_hpp

/// \file TsqrFactory_TbbTsqr.hpp
///
/// \warning Trilinos users should _not_ include this file directly.

#include <Tsqr_ConfigDefs.hpp>

#ifdef HAVE_KOKKOSTSQR_TBB
#  include "TbbTsqr.hpp"
#endif // HAVE_KOKKOSTSQR_TBB


namespace TSQR {
  namespace Trilinos {

#ifdef HAVE_KOKKOSTSQR_TBB
    /// \class TbbTsqrFactory
    /// \brief Subclass of TsqrFactory that uses \c TSQR::TBB::TbbTsqr.
    /// \author Mark Hoemmen
    ///
    /// \tparam LO "LocalOrdinal": the type of indices into the
    ///   node-local part of the matrix.
    ///
    /// \tparam S "Scalar": the type of entries in the node-local part
    ///   of the matrix.
    ///
    /// All of this class' public methods, other than the constructor
    /// and destructor, are implemented in the parent class.
    template<class LO, class S>
    class TbbTsqrFactory :
      public TsqrFactory<LO, S, TSQR::TBB::TbbTsqr<LO, S>, DistTsqr<LO, S> > {
    public:
      // Help C++ pull in the typedefs from the base class.  C++ needs
      // help when both the base and the derived classes are
      // templated.
      typedef typename base_type::node_tsqr_type node_tsqr_type;
      typedef typename base_type::dist_tsqr_type dist_tsqr_type;
      typedef typename base_type::tsqr_type tsqr_type;
      typedef typename base_type::scalar_messenger_type scalar_messenger_type;

      TbbTsqrFactory () {}
      virtual ~TbbTsqrFactory () {}
    };
#endif // HAVE_KOKKOSTSQR_TBB

  } // namespace Trilinos
} // namespace TSQR


#endif // __TSQR_Trilinos_TsqrFactory_TbbTsqr_hpp