MueLu_CombinePFactory_decl.hpp

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// @HEADER
// *****************************************************************************
//        MueLu: A package for multigrid based preconditioning
//
// Copyright 2012 NTESS and the MueLu contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef MUELU_COMBINEPFACTORY_DECL_HPP
#define MUELU_COMBINEPFACTORY_DECL_HPP
 
#include "MueLu_ConfigDefs.hpp"
#include <Teuchos_SerialDenseVector.hpp>
 
#include <Xpetra_MultiVector.hpp>
#include <Xpetra_Matrix_fwd.hpp>
 
#include "MueLu_PFactory.hpp"
#include "MueLu_CombinePFactory_fwd.hpp"
 
#include "MueLu_Level_fwd.hpp"
#include <type_traits>
 
namespace MueLuTests {
// Forward declaration of friend tester class used to UnitTest CombinePFactory
template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
class CombinePFactoryTester;
}  // namespace MueLuTests
 
namespace MueLu {
 
namespace Details {
 
template <class Scalar, class LO, class GO, class Node>
struct has_build_p_blocked_thyra_eti : std::false_type {};
}  // namespace Details
 
template <class Scalar        = DefaultScalar,
          class LocalOrdinal  = DefaultLocalOrdinal,
          class GlobalOrdinal = DefaultGlobalOrdinal,
          class Node          = DefaultNode>
class CombinePFactory : public PFactory {
#undef MUELU_COMBINEPFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"
 
 public:
  friend class MueLuTests::CombinePFactoryTester<Scalar, LocalOrdinal, GlobalOrdinal, Node>;
 
 
 
  CombinePFactory() {}
 
  virtual ~CombinePFactory() {}
 
  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;
 
 
 private:
  void BuildPBlocked(Level& fineLevel, Level& coarseLevel) const;
  void BuildPBlockedImpl(Level& fineLevel, Level& coarseLevel, std::false_type) const;
#if defined(HAVE_XPETRA_THYRA) && defined(HAVE_MUELU_THYRA)
  template <class S = Scalar,
            std::enable_if_t<
                MueLu::Details::has_build_p_blocked_thyra_eti<
                    S, LocalOrdinal, GlobalOrdinal, Node>::value,
                int> = 0>
  void BuildPBlockedImpl(Level& fineLevel, Level& coarseLevel, std::true_type) const;
#endif
  int numPDEs_;
 
};  // class CombinePFactory
 
}  // namespace MueLu
 
#define MUELU_COMBINEPFACTORY_SHORT
#endif  // MUELU_COMBINEPFACTORY_DECL_HPP