Xpetra_ExportFactory.hpp

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//             Xpetra: A linear algebra interface package
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#ifndef XPETRA_EXPORTFACTORY_HPP
#define XPETRA_EXPORTFACTORY_HPP
 
#include "Xpetra_ConfigDefs.hpp"
 
#include "Xpetra_Export.hpp"
 
#ifdef HAVE_XPETRA_TPETRA
#include "Xpetra_TpetraExport.hpp"
#endif
#ifdef HAVE_XPETRA_EPETRA
#include "Xpetra_EpetraExport.hpp"
#endif
 
#include "Xpetra_Exceptions.hpp"
 
namespace Xpetra {
 
  template <class LocalOrdinal,
            class GlobalOrdinal,
            class Node = Tpetra::KokkosClassic::DefaultNode::DefaultNodeType>
  class ExportFactory {
  private:
    ExportFactory() {}
 
  public:

    static RCP<Export<LocalOrdinal, GlobalOrdinal, Node> > Build(const RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &source, const RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &target) {
      XPETRA_MONITOR("ExportFactory::Build");
      TEUCHOS_TEST_FOR_EXCEPTION(source->lib() != target->lib(), Xpetra::Exceptions::RuntimeError, "");
 
#ifdef HAVE_XPETRA_TPETRA
      if (source->lib() == UseTpetra)
        return rcp( new TpetraExport<LocalOrdinal, GlobalOrdinal, Node>(source, target));
#endif
 
      XPETRA_FACTORY_ERROR_IF_EPETRA(source->lib());
      XPETRA_FACTORY_END;
    }
 
  };
 
// we need the Epetra specialization only if Epetra is enabled
#if (defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES))
  template <>
  class ExportFactory<int, int, EpetraNode> {
 
    typedef int LocalOrdinal;
    typedef int GlobalOrdinal;
    typedef EpetraNode Node;
 
  private:
    ExportFactory() {}
 
  public:
 
    static RCP<Export<LocalOrdinal, GlobalOrdinal, Node> > Build(const RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &source, const RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &target) {
      XPETRA_MONITOR("ExportFactory::Build");
 
      TEUCHOS_TEST_FOR_EXCEPTION(source->lib() != target->lib(), Xpetra::Exceptions::RuntimeError, "");
 
#ifdef HAVE_XPETRA_TPETRA
      if (source->lib() == UseTpetra)
        return rcp( new TpetraExport<LocalOrdinal, GlobalOrdinal, Node>(source, target));
#endif
 
      if (source->lib() == UseEpetra)
        return rcp( new EpetraExportT<int, Node>(source, target));
 
      XPETRA_FACTORY_END;
    }
 
  };
#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 ExportFactory<int, long long, EpetraNode> {
 
    typedef int LocalOrdinal;
    typedef long long GlobalOrdinal;
    typedef EpetraNode Node;
 
  private:
    ExportFactory() {}
 
  public:
 
    static RCP<Export<LocalOrdinal, GlobalOrdinal, Node> > Build(const RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &source, const RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> > &target) {
      XPETRA_MONITOR("ExportFactory::Build");
 
      TEUCHOS_TEST_FOR_EXCEPTION(source->lib() != target->lib(), Xpetra::Exceptions::RuntimeError, "");
 
#ifdef HAVE_XPETRA_TPETRA
      if (source->lib() == UseTpetra)
        return rcp( new TpetraExport<LocalOrdinal, GlobalOrdinal, Node>(source, target));
#endif
 
      if (source->lib() == UseEpetra)
        return rcp( new EpetraExportT<long long, Node>(source, target));
 
      XPETRA_FACTORY_END;
    }
 
  };
#endif
 
}
 
#define XPETRA_EXPORTFACTORY_SHORT
#endif