MueLu_SemiCoarsenPFactory_kokkos_decl.hpp

Go to the documentation of this file.

// @HEADER
//
// ***********************************************************************
//
//        MueLu: A package for multigrid based preconditioning
//                  Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact
//                    Jonathan Hu       (jhu@sandia.gov)
//                    Andrey Prokopenko (aprokop@sandia.gov)
//                    Ray Tuminaro      (rstumin@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
#ifndef MUELU_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP
#define MUELU_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP
 
#include <Xpetra_Matrix_fwd.hpp>
 
#include "MueLu_ConfigDefs.hpp"
#include "MueLu_Level_fwd.hpp"
#include "MueLu_PFactory.hpp"
#include "MueLu_SemiCoarsenPFactory_kokkos_fwd.hpp"
 
namespace MueLu {

 
template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
class SemiCoarsenPFactory_kokkos;
 
template <class Scalar, class LocalOrdinal, class GlobalOrdinal,
          class DeviceType>
class SemiCoarsenPFactory_kokkos<
    Scalar, LocalOrdinal, GlobalOrdinal,
    Tpetra::KokkosCompat::KokkosDeviceWrapperNode<DeviceType>> : public PFactory {
public:
  typedef LocalOrdinal local_ordinal_type;
  typedef GlobalOrdinal global_ordinal_type;
  typedef typename DeviceType::execution_space execution_space;
  typedef Tpetra::KokkosCompat::KokkosDeviceWrapperNode<DeviceType> node_type;
 
private:
  // For compatibility
  typedef node_type Node;
 
#undef MUELU_SEMICOARSENPFACTORY_KOKKOS_SHORT
#include "MueLu_UseShortNames.hpp"
 
public:


  SemiCoarsenPFactory_kokkos() : bTransferCoordinates_(false) {}

  virtual ~SemiCoarsenPFactory_kokkos() = default;
 
  RCP<const ParameterList> GetValidParameterList() const;


 
  void DeclareInput(Level &fineLevel, Level &coarseLevel) const;



 
  void Build(Level &fineLevel, Level &coarseLevel) const;
  void BuildP(Level &fineLevel, Level &coarseLevel) const;

 
  void BuildSemiCoarsenP(Level &coarseLevel, const LO NFRows, const LO NFNodes,
                         const LO DofsPerNode, const LO NFLayers,
                         const LO NCLayers, const ArrayRCP<LO> LayerId,
                         const ArrayRCP<LO> VertLineId, const RCP<Matrix> &Amat,
                         const RCP<MultiVector> fineNullspace, RCP<Matrix> &P,
                         RCP<MultiVector> &coarseNullspace) const;
 
  // boolean which is true if coordinate information is available to be
  // transferred to coarse coordinate information
  mutable bool bTransferCoordinates_;
}; // class SemiCoarsenPFactory_kokkos
 
} // namespace MueLu
 
#define MUELU_SEMICOARSENPFACTORY_KOKKOS_SHORT
#endif // MUELU_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP