Xpetra_MapFactory_def.hpp

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#ifndef XPETRA_MAPFACTORY_DEF_HPP
#define XPETRA_MAPFACTORY_DEF_HPP
 
#include "Xpetra_MapFactory_decl.hpp"
 
#ifdef HAVE_XPETRA_TPETRA
#    include "Xpetra_TpetraMap.hpp"
#endif
#ifdef HAVE_XPETRA_EPETRA
#    include "Xpetra_EpetraMap.hpp"
#endif
 
#include "Xpetra_BlockedMap.hpp"
 
namespace Xpetra {
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
Build(UnderlyingLib                                 lib,
      global_size_t                                 numGlobalElements,
      GlobalOrdinal                                 indexBase,
      const Teuchos::RCP<const Teuchos::Comm<int>>& comm,
      LocalGlobal                                   lg)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
        return Teuchos::rcp(new TpetraMap<LocalOrdinal, GlobalOrdinal, Node>(numGlobalElements, indexBase, comm, lg));
#endif
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
 
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
Build(UnderlyingLib                                 lib,
      global_size_t                                 numGlobalElements,
      size_t                                        numLocalElements,
      GlobalOrdinal                                 indexBase,
      const Teuchos::RCP<const Teuchos::Comm<int>>& comm)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
        return rcp(new TpetraMap<LocalOrdinal, GlobalOrdinal, Node>(numGlobalElements, numLocalElements, indexBase, comm));
#endif
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
 
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
Build(UnderlyingLib                                  lib,
      global_size_t                                  numGlobalElements,
      const Teuchos::ArrayView<const GlobalOrdinal>& elementList,
      GlobalOrdinal                                  indexBase,
      const Teuchos::RCP<const Teuchos::Comm<int>>&  comm)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
        return rcp(new TpetraMap<LocalOrdinal, GlobalOrdinal, Node>(numGlobalElements, elementList, indexBase, comm));
#endif
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
Build(const Teuchos::RCP<const Map<LocalOrdinal,GlobalOrdinal,Node>>& nodeMap,
    const LocalOrdinal numDofPerNode, const GlobalOrdinal gidOffset)
{
  XPETRA_MONITOR("MapFactory::Build");
 
  RCP<const BlockedMap<LocalOrdinal,GlobalOrdinal,Node>> bmap =
      Teuchos::rcp_dynamic_cast<const BlockedMap<LocalOrdinal,GlobalOrdinal,Node>>(nodeMap);
 
  if(!bmap.is_null())
  {
    TEUCHOS_TEST_FOR_EXCEPTION(numDofPerNode != 1, Xpetra::Exceptions::RuntimeError,
        "Xpetra::MapFactory::Build: When provided a BlockedMap numDofPerNode must set to be one. It is set to "
            << numDofPerNode << ".");
    return rcp(new Xpetra::BlockedMap<LocalOrdinal,GlobalOrdinal,Node>(*bmap));
  }
 
#ifdef HAVE_XPETRA_TPETRA
  LocalOrdinal numLocalElements = nodeMap->getLocalNumElements();
  Teuchos::ArrayView<const GlobalOrdinal> oldElements = nodeMap->getLocalElementList();
  Teuchos::Array<GlobalOrdinal> newElements(nodeMap->getLocalNumElements() * numDofPerNode);
  for (LocalOrdinal i = 0; i < numLocalElements; i++)
  {
    for (LocalOrdinal j = 0; j < numDofPerNode; j++)
    {
      newElements[i * numDofPerNode + j] = oldElements[i] * numDofPerNode + j + gidOffset;
    }
  }
  if (nodeMap->lib() == UseTpetra)
  {
    return rcp(new TpetraMap<LocalOrdinal, GlobalOrdinal, Node>
        (nodeMap->getGlobalNumElements() * numDofPerNode, newElements, nodeMap->getIndexBase(), nodeMap->getComm()));
  }
#endif
 
  XPETRA_FACTORY_ERROR_IF_EPETRA(nodeMap->lib());
  XPETRA_FACTORY_END;
}
 
 
 
#ifdef HAVE_XPETRA_TPETRA
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
Build(UnderlyingLib                                                         lib,
      global_size_t                                                         numGlobalElements,
      const Kokkos::View<const GlobalOrdinal*, typename Node::device_type>& indexList,
      GlobalOrdinal                                                         indexBase,
      const Teuchos::RCP<const Teuchos::Comm<int>>&                         comm)
{
    XPETRA_MONITOR("MapFactory::Build");
    if(lib == UseTpetra)
        return rcp(new TpetraMap<LocalOrdinal, GlobalOrdinal, Node>(numGlobalElements, indexList, indexBase, comm));
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
#endif      // HAVE_XPETRA_TPETRA
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
createLocalMap(UnderlyingLib                                 lib,
               size_t                                        numElements,
               const Teuchos::RCP<const Teuchos::Comm<int>>& comm)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
    {
        // Pre-ETI code called Tpetra::createLocalMap() but this can result in compile erros
        // when Trilinos is built with multiple node-types, specifically the GCC 4.8.4 PR
        // build generates an error because it would try to match Tpetra::Map objects where
        // Node is Serial in one and OpenMP in the other. See Issue #5672 / PR #5723 for more
        // information.
        //return rcp(new Xpetra::TpetraMap<LocalOrdinal,GlobalOrdinal,Node>(Tpetra::createLocalMapWithNode<LocalOrdinal,GlobalOrdinal,Node>(numElements, comm))); // (old version)
        return rcp(new TpetraMap<LocalOrdinal,GlobalOrdinal,Node>(Tpetra::createLocalMapWithNode<LocalOrdinal,GlobalOrdinal,Node>(numElements, comm)));
    }
#endif      // HAVE_XPETRA_TPETRA
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
createLocalMapWithNode(UnderlyingLib                                 lib,
                       size_t                                        numElements,
                       const Teuchos::RCP<const Teuchos::Comm<int>>& comm)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
    {
        return rcp(new TpetraMap<LocalOrdinal,GlobalOrdinal,Node>(Tpetra::createLocalMapWithNode<LocalOrdinal,GlobalOrdinal,Node>(numElements, comm)));
    }
#endif      // HAVE_XPETRA_TPETRA
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
 
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
createUniformContigMapWithNode(UnderlyingLib                                 lib,
                               global_size_t                                 numElements,
                               const Teuchos::RCP<const Teuchos::Comm<int>>& comm)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
        return rcp(new TpetraMap<LocalOrdinal, GlobalOrdinal, Node>(
          Tpetra::createUniformContigMapWithNode<LocalOrdinal, GlobalOrdinal, Node>(numElements, comm)));
#endif      // HAVE_XPETRA_TPETRA
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
createUniformContigMap(UnderlyingLib                                 lib,
                       global_size_t                                 numElements,
                       const Teuchos::RCP<const Teuchos::Comm<int>>& comm)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
        return rcp(new Xpetra::TpetraMap<LocalOrdinal, GlobalOrdinal, Node>(
          Tpetra::createUniformContigMapWithNode<LocalOrdinal, GlobalOrdinal, Node>(numElements, comm)));
#endif      // HAVE_XPETRA_TPETRA
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
createContigMap(UnderlyingLib                                 lib,
                global_size_t                                 numElements,
                size_t                                        localNumElements,
                const Teuchos::RCP<const Teuchos::Comm<int>>& comm)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
        return rcp(new Xpetra::TpetraMap<LocalOrdinal, GlobalOrdinal, Node>(
          Tpetra::createContigMapWithNode<LocalOrdinal, GlobalOrdinal, Node>(numElements, localNumElements, comm)));
#endif      // HAVE_XPETRA_TPETRA
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
 
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>>
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
createContigMapWithNode(UnderlyingLib                                 lib,
                        global_size_t                                 numElements,
                        size_t                                        localNumElements,
                        const Teuchos::RCP<const Teuchos::Comm<int>>& comm)
{
    XPETRA_MONITOR("MapFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
    if(lib == UseTpetra)
    {
        return rcp(new TpetraMap<LocalOrdinal, GlobalOrdinal, Node>(
          Tpetra::createContigMapWithNode<LocalOrdinal, GlobalOrdinal, Node>(numElements, localNumElements, comm)));
    }
#endif      // HAVE_XPETRA_TPETRA
 
    XPETRA_FACTORY_ERROR_IF_EPETRA(lib);
    XPETRA_FACTORY_END;
}
 
 
 
template<class LocalOrdinal, class GlobalOrdinal, class Node>
Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> >
MapFactory<LocalOrdinal, GlobalOrdinal, Node>::
copyMapWithNewComm(const Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>> & oldmap,
                   const Teuchos::RCP<const Teuchos::Comm<int>>& newComm) {
    XPETRA_MONITOR("MapFactory::Build");
    using XMF = Xpetra::MapFactory<LocalOrdinal,GlobalOrdinal,Node>;
    global_size_t INVALID = Teuchos::OrdinalTraits<global_size_t>::invalid();
 
    size_t Nlocal  = oldmap->getLocalNumElements();
    global_size_t Nglobal = oldmap->getGlobalNumElements();
 
    // Sanity check -- if there's no comm, we can't keep elements on the map  (vice versa is OK)
    TEUCHOS_TEST_FOR_EXCEPTION( Nlocal && newComm.is_null(),
                                std::logic_error, "MapFactory::copyMapWithNewComm needs the comm to match the map.");
 
    // We'll return null if we don't have a Comm on this rank
    RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > newMap;
    if(!newComm.is_null()) {
      if(oldmap->isContiguous()) {
        newMap = XMF::Build(oldmap->lib(),INVALID,Nlocal,oldmap->getIndexBase(),newComm);
      }
      else {
        newMap = XMF::Build(oldmap->lib(),Nglobal,oldmap->getLocalElementList(),oldmap->getIndexBase(),newComm);
      }
    }
 
    return newMap;
    XPETRA_FACTORY_END;
}
 
 
}   // namespace Xpetra
 
 
 
 
#endif  // XPETRA_MAPFACTORY_DEF_HPP
 
 
//TODO: remove unused methods