Xpetra_CrsGraphFactory.hpp

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#ifndef XPETRA_CRSGRAPHFACTORY_HPP
#define XPETRA_CRSGRAPHFACTORY_HPP
 
#include "Xpetra_ConfigDefs.hpp"
 
#include "Xpetra_CrsGraph.hpp"
 
#ifdef HAVE_XPETRA_TPETRA
#include "Xpetra_TpetraCrsGraph.hpp"
#endif
 
#ifdef HAVE_XPETRA_EPETRA
#include "Xpetra_EpetraCrsGraph.hpp"
#endif
 
#include "Xpetra_Exceptions.hpp"
 
namespace Xpetra {
 
  template <class LocalOrdinal/* = CrsGraph<>::local_ordinal_type*/,
            class GlobalOrdinal/* =
              typename CrsGraph<LocalOrdinal>::global_ordinal_type*/,
            class Node/* =
              typename CrsGraph<LocalOrdinal, GlobalOrdinal>::node_type*/>
  class CrsGraphFactory {
  private:
    CrsGraphFactory() {}
 
  public:
    static Teuchos::RCP<CrsGraph<LocalOrdinal, GlobalOrdinal, Node> >
    Build(const Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &map, size_t NumVectors, ProfileType pftype=DynamicProfile) {
      XPETRA_MONITOR("CrsGraphFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
      if (map->lib() == UseTpetra)
        return rcp( new TpetraCrsGraph<LocalOrdinal, GlobalOrdinal, Node> (map, NumVectors, pftype) );
#endif
 
      XPETRA_FACTORY_ERROR_IF_EPETRA(map->lib());
      XPETRA_FACTORY_END;
      TEUCHOS_UNREACHABLE_RETURN(null);
    }
 
    static Teuchos::RCP<CrsGraph<LocalOrdinal, GlobalOrdinal, Node> >
    Build(const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &rowMap, const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &colMap, const ArrayRCP< const size_t > &NumEntriesPerRowToAlloc, ProfileType pftype=DynamicProfile, const Teuchos::RCP< Teuchos::ParameterList > &plist=Teuchos::null) {
      XPETRA_MONITOR("CrsGraphFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
      if (rowMap->lib() == UseTpetra)
        return rcp( new TpetraCrsGraph<LocalOrdinal, GlobalOrdinal, Node>(rowMap, colMap, NumEntriesPerRowToAlloc, pftype, plist) );
#endif
 
      XPETRA_FACTORY_ERROR_IF_EPETRA(rowMap->lib());
      XPETRA_FACTORY_END;
      TEUCHOS_UNREACHABLE_RETURN(null);
    }
  };
 
// we need the Epetra specialization only if Epetra is enabled
#if (defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES))
 
  template <>
  class CrsGraphFactory<int, int, EpetraNode> {
 
    typedef int LocalOrdinal;
    typedef int GlobalOrdinal;
    typedef EpetraNode Node;
 
  private:
    CrsGraphFactory() {}
 
  public:
 
    static RCP<CrsGraph<LocalOrdinal, GlobalOrdinal, Node> >
    Build(const Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &map, size_t NumVectors, ProfileType pftype=DynamicProfile) {
      XPETRA_MONITOR("CrsGraphFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
      if (map->lib() == UseTpetra)
        return rcp( new TpetraCrsGraph<LocalOrdinal, GlobalOrdinal, Node> (map, NumVectors, pftype) );
#endif
 
      if (map->lib() == UseEpetra)
        return rcp( new EpetraCrsGraphT<int, Node>(map, NumVectors, pftype) );
 
      XPETRA_FACTORY_END;
      TEUCHOS_UNREACHABLE_RETURN(null);
    }
 
    static Teuchos::RCP<CrsGraph<LocalOrdinal, GlobalOrdinal, Node> >
    Build(const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &rowMap, const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &colMap, const ArrayRCP< const size_t > &NumEntriesPerRowToAlloc, ProfileType pftype=DynamicProfile, const Teuchos::RCP< Teuchos::ParameterList > &plist=Teuchos::null) {
      XPETRA_MONITOR("CrsGraphFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
      if (rowMap->lib() == UseTpetra)
        return rcp( new TpetraCrsGraph<LocalOrdinal, GlobalOrdinal, Node>(rowMap, colMap, NumEntriesPerRowToAlloc, pftype, plist) );
#endif
 
      if (rowMap->lib() == UseEpetra)
        return rcp( new EpetraCrsGraphT<int, Node>(rowMap, colMap, NumEntriesPerRowToAlloc, pftype, plist) );
 
      XPETRA_FACTORY_END;
      TEUCHOS_UNREACHABLE_RETURN(null);
    }
 
 
  };
#endif
 
// we need the Epetra specialization only if Epetra is enabled
#if (defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES))
 
  template <>
  class CrsGraphFactory<int, long long, EpetraNode> {
 
    typedef int LocalOrdinal;
    typedef long long GlobalOrdinal;
    typedef EpetraNode Node;
 
  private:
    CrsGraphFactory() {}
 
  public:
 
    static RCP<CrsGraph<LocalOrdinal, GlobalOrdinal, Node> >
    Build(const Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &map, size_t NumVectors, ProfileType pftype=DynamicProfile) {
      XPETRA_MONITOR("CrsGraphFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
      if (map->lib() == UseTpetra)
        return rcp( new TpetraCrsGraph<LocalOrdinal, GlobalOrdinal, Node> (map, NumVectors, pftype) );
#endif
 
      if (map->lib() == UseEpetra)
        return rcp( new EpetraCrsGraphT<long long, Node>(map, NumVectors, pftype) );
 
      XPETRA_FACTORY_END;
      TEUCHOS_UNREACHABLE_RETURN(null);
    }
 
    static Teuchos::RCP<CrsGraph<LocalOrdinal, GlobalOrdinal, Node> >
    Build(const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &rowMap, const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &colMap, const ArrayRCP< const size_t > &NumEntriesPerRowToAlloc, ProfileType pftype=DynamicProfile, const Teuchos::RCP< Teuchos::ParameterList > &plist=Teuchos::null) {
      XPETRA_MONITOR("CrsGraphFactory::Build");
 
#ifdef HAVE_XPETRA_TPETRA
      if (rowMap->lib() == UseTpetra)
        return rcp( new TpetraCrsGraph<LocalOrdinal, GlobalOrdinal, Node>(rowMap, colMap, NumEntriesPerRowToAlloc, pftype, plist) );
#endif
 
      if (rowMap->lib() == UseEpetra)
        return rcp( new EpetraCrsGraphT<long long, Node>(rowMap, colMap, NumEntriesPerRowToAlloc, pftype, plist) );
 
      XPETRA_FACTORY_END;
      TEUCHOS_UNREACHABLE_RETURN(null);
    }
 
  };
#endif
}
 
#define XPETRA_CRSGRAPHFACTORY_SHORT
#endif