TpetraExt_TripleMatrixMultiply_decl.hpp

Go to the documentation of this file.

// @HEADER
// *****************************************************************************
//          Tpetra: Templated Linear Algebra Services Package
//
// Copyright 2008 NTESS and the Tpetra contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef TPETRA_TRIPLEMATRIXMULTIPLY_DECL_HPP
#define TPETRA_TRIPLEMATRIXMULTIPLY_DECL_HPP

#include <string>
#include <Teuchos_RCP.hpp>
#include <Teuchos_Array.hpp>
#include "Tpetra_ConfigDefs.hpp"
#include "Tpetra_CrsMatrix.hpp"
#include "Tpetra_Vector.hpp"
#include "TpetraExt_MMHelpers.hpp"


namespace Tpetra {

  namespace TripleMatrixMultiply {

    template <class Scalar,
              class LocalOrdinal,
              class GlobalOrdinal,
              class Node>
    void MultiplyRAP(
                     const CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& R,
                     bool transposeR,
                     const CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& A,
                     bool transposeA,
                     const CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& P,
                     bool transposeP,
                     CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
                     bool call_FillComplete_on_result = true,
                     const std::string& label = std::string(),
                     const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);


  } // namespace TripleMatrixMultiply

  namespace MMdetails{

    template<class Scalar,
             class LocalOrdinal,
             class GlobalOrdinal,
             class Node>
    void mult_R_A_P_newmatrix(
                              CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Rview,
                              CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
                              CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
                              CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
                              const std::string& label = std::string(),
                              const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);

   template<class Scalar,
             class LocalOrdinal,
             class GlobalOrdinal,
             class Node>
    void mult_R_A_P_reuse(
                              CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Rview,
                              CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
                              CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
                              CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
                              const std::string& label = std::string(),
                              const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);

    template<class Scalar,
             class LocalOrdinal,
             class GlobalOrdinal,
             class Node>
    void mult_PT_A_P_newmatrix(
                               CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
                               CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
                               CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
                               const std::string& label = std::string(),
                               const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);

    template<class Scalar,
             class LocalOrdinal,
             class GlobalOrdinal,
             class Node>
    void mult_PT_A_P_reuse(
                               CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
                               CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
                               CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
                               const std::string& label = std::string(),
                               const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);

  

    // Kernel wrappers struct (for non-specialized kernels)
    // Because C++ doesn't support partial template specialization of functions.
    template<class Scalar,
             class LocalOrdinal,
             class GlobalOrdinal,
             class Node>
    struct KernelWrappers3MMM {

      static inline void mult_PT_A_P_newmatrix_kernel_wrapper_2pass(CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
                                                                    CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
                                                                    const Teuchos::Array<LocalOrdinal> & Acol2PRow,
                                                                    const Teuchos::Array<LocalOrdinal> & Acol2PRowImport,
                                                                    const Teuchos::Array<LocalOrdinal> & Pcol2Accol,
                                                                    const Teuchos::Array<LocalOrdinal> & PIcol2Accol,
                                                                    CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
                                                                    Teuchos::RCP<const Import<LocalOrdinal,GlobalOrdinal,Node> > Acimport,
                                                                    const std::string& label = std::string(),
                                                                    const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);
    };

  }//end namespace MMdetails

} // end of Tpetra namespace

#endif // TPETRA_TRIPLEMATRIXMULTIPLY_DECL_HPP