Tpetra_Details_unpackCrsGraphAndCombine_decl.hpp

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#ifndef TPETRA_DETAILS_UNPACKCRSGRAPHANDCOMBINE_DECL_HPP
#define TPETRA_DETAILS_UNPACKCRSGRAPHANDCOMBINE_DECL_HPP

#include "TpetraCore_config.h"
#include "Tpetra_CombineMode.hpp"
#include "Kokkos_DualView.hpp"
#include "Tpetra_DistObject_decl.hpp"
#include "Tpetra_CrsGraph_fwd.hpp"


#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Teuchos {
// Forward declaration of Array
template<class T> class Array;
// Forward declaration of ArrayView
template<class T> class ArrayView;
} // namespace Teuchos
#endif // DOXYGEN_SHOULD_SKIP_THIS

namespace Tpetra {

#ifndef DOXYGEN_SHOULD_SKIP_THIS
// Forward declaration of Distributor
class Distributor;
#endif // DOXYGEN_SHOULD_SKIP_THIS

//
// Users must never rely on anything in the Details namespace.
//
namespace Details {

template<class LO, class GO, class NT>
void
unpackCrsGraphAndCombine(
    const CrsGraph<LO, GO, NT>& sourceGraph,
    const Teuchos::ArrayView<const typename CrsGraph<LO,GO,NT>::packet_type>& imports,
    const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
    const Teuchos::ArrayView<const LO>& importLIDs,
    size_t constantNumPackets,
    Distributor & distor,
    CombineMode combineMode,
    const bool atomic);

template<class LO, class GO, class NT>
void
unpackCrsGraphAndCombineNew(
    const CrsGraph<LO, GO, NT>& sourceGraph,
    const Kokkos::DualView<const typename CrsGraph<LO,GO,NT>::packet_type*,
                           typename CrsGraph<LO,GO,NT>::buffer_device_type>&
                           imports,
    const Kokkos::DualView<const size_t*,
                           typename CrsGraph<LO,GO,NT>::buffer_device_type>&
                           numPacketsPerLID,
    const Kokkos::DualView<const LO*, typename NT::device_type>& importLIDs,
    const size_t constantNumPackets,
    Distributor & distor,
    const CombineMode combineMode,
    const bool atomic);

//
template<class LO, class GO, class NT>
size_t
unpackAndCombineWithOwningPIDsCount(
    const CrsGraph<LO, GO, NT> & sourceGraph,
    const Teuchos::ArrayView<const LO> &importLIDs,
    const Teuchos::ArrayView<const typename CrsGraph<LO,GO,NT>::packet_type> &imports,
    const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
    size_t constantNumPackets,
    Distributor &distor,
    CombineMode combineMode,
    size_t numSameIDs,
    const Teuchos::ArrayView<const LO>& permuteToLIDs,
    const Teuchos::ArrayView<const LO>& permuteFromLIDs);

template<class LO, class GO, class NT>
void
unpackAndCombineIntoCrsArrays(
    const CrsGraph<LO, GO, NT> & sourceGraph,
    const Teuchos::ArrayView<const LO>& importLIDs,
    const Teuchos::ArrayView<const typename CrsGraph<LO,GO,NT>::packet_type>& imports,
    const Teuchos::ArrayView<const size_t>& numPacketsPerLID,
    const size_t constantNumPackets,
    Distributor& distor,
    const CombineMode combineMode,
    const size_t numSameIDs,
    const Teuchos::ArrayView<const LO>& permuteToLIDs,
    const Teuchos::ArrayView<const LO>& permuteFromLIDs,
    size_t TargetNumRows,
    size_t TargetNumNonzeros,
    const int MyTargetPID,
    const Teuchos::ArrayView<size_t>& CRS_rowptr,
    const Teuchos::ArrayView<GO>& CRS_colind,
    const Teuchos::ArrayView<const int>& SourcePids,
    Teuchos::Array<int>& TargetPids);

} // namespace Details
} // namespace Tpetra

#endif // TPETRA_DETAILS_UNPACKCRSGRAPHANDCOMBINE_DECL_HPP