Xpetra_VectorFactory.hpp

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//             Xpetra: A linear algebra interface package
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#ifndef XPETRA_VECTORFACTORY_HPP
#define XPETRA_VECTORFACTORY_HPP

#include "Xpetra_ConfigDefs.hpp"
#include "Xpetra_Vector.hpp"

#ifdef HAVE_XPETRA_TPETRA
#  include "Xpetra_TpetraVector.hpp"
#endif
#ifdef HAVE_XPETRA_EPETRA
#  include "Xpetra_EpetraVector.hpp"
#  include "Xpetra_EpetraIntVector.hpp"
#endif

#include "Xpetra_Exceptions.hpp"

namespace Xpetra {

  template <class Scalar = Vector<>::scalar_type,
            class LocalOrdinal = typename Vector<Scalar>::local_ordinal_type,
            class GlobalOrdinal = typename Vector<Scalar, LocalOrdinal>::local_ordinal_type,
            class Node = typename Vector<Scalar, LocalOrdinal, GlobalOrdinal>::node_type>
  class VectorFactory {
#undef XPETRA_VECTORFACTORY_SHORT
#include "Xpetra_UseShortNames.hpp"

  private:
    VectorFactory() {}

  public:

    static RCP<Vector> Build(const Teuchos::RCP<const Map> &map, bool zeroOut=true) {
      XPETRA_MONITOR("VectorFactory::Build");

#ifdef HAVE_XPETRA_TPETRA
      if (map->lib() == UseTpetra)
        return rcp( new TpetraVector(map, zeroOut) );
#endif

      XPETRA_FACTORY_ERROR_IF_EPETRA(map->lib());
      XPETRA_FACTORY_END;
    }

  };
#define XPETRA_VECTORFACTORY_SHORT

  template <>
  class VectorFactory<double, int, int> {

    typedef double                              Scalar;
    typedef int                                 LocalOrdinal;
    typedef int                                 GlobalOrdinal;
    typedef Vector<double, int, GlobalOrdinal>::node_type Node;
#undef XPETRA_VECTORFACTORY_SHORT
#include "Xpetra_UseShortNames.hpp"

  private:
    VectorFactory() {}

  public:

    static RCP<Vector> Build(const Teuchos::RCP<const Map>& map, bool zeroOut=true) {
      XPETRA_MONITOR("VectorFactory::Build");

#ifdef HAVE_XPETRA_TPETRA
      if (map->lib() == UseTpetra)
        return rcp( new TpetraVector(map, zeroOut) );
#endif

#ifdef HAVE_XPETRA_EPETRA
#ifndef XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES
      if (map->lib() == UseEpetra)
        return rcp( new EpetraVectorT<int>(map, zeroOut) );
#endif
#endif

      XPETRA_FACTORY_END;
    }

  };

#ifdef HAVE_TEUCHOS_LONG_LONG_INT
  template <>
  class VectorFactory<double, int, long long> {

    typedef double                              Scalar;
    typedef int                                 LocalOrdinal;
    typedef long long                           GlobalOrdinal;
    typedef Vector<double, int, GlobalOrdinal>::node_type Node;
#undef XPETRA_VECTORFACTORY_SHORT
#include "Xpetra_UseShortNames.hpp"

  private:
    VectorFactory() {}

  public:

    static RCP<Vector> Build(const Teuchos::RCP<const Map>& map, bool zeroOut=true) {
      XPETRA_MONITOR("VectorFactory::Build");

#ifdef HAVE_XPETRA_TPETRA
      if (map->lib() == UseTpetra)
        return rcp( new TpetraVector(map, zeroOut) );
#endif

#ifdef HAVE_XPETRA_EPETRA
#ifndef XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES
      if (map->lib() == UseEpetra)
        return rcp( new EpetraVectorT<long long>(map, zeroOut) );
#endif
#endif

      XPETRA_FACTORY_END;
    }

  };
#endif // HAVE_TEUCHOS_LONG_LONG_INT

#define XPETRA_VECTORFACTORY_SHORT

  template <>
  class VectorFactory<int, int, int> {

    typedef int                              Scalar;
    typedef int                              LocalOrdinal;
    typedef int                              GlobalOrdinal;
    typedef Vector<int, int, GlobalOrdinal>::node_type Node;
#undef XPETRA_VECTORFACTORY_SHORT
#include "Xpetra_UseShortNames.hpp"

  private:
    VectorFactory() {}

  public:

    static RCP<Vector> Build(const Teuchos::RCP<const Map>& map, bool zeroOut=true) {
      XPETRA_MONITOR("VectorFactory::Build");

#ifdef HAVE_XPETRA_TPETRA
      if (map->lib() == UseTpetra)
        return rcp( new TpetraVector(map, zeroOut) );
#endif

#ifdef HAVE_XPETRA_EPETRA
#ifndef XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES
      if (map->lib() == UseEpetra)
        return rcp( new EpetraIntVectorT<int>(map, zeroOut) );
#endif
#endif

      XPETRA_FACTORY_END;
    }

  };

#ifdef HAVE_TEUCHOS_LONG_LONG_INT
  template <>
  class VectorFactory<int, int, long long> {

    typedef int                              Scalar;
    typedef int                              LocalOrdinal;
    typedef long long                        GlobalOrdinal;
    typedef Vector<int, int, GlobalOrdinal>::node_type Node;
#undef XPETRA_VECTORFACTORY_SHORT
#include "Xpetra_UseShortNames.hpp"

  private:
    VectorFactory() {}

  public:

    static RCP<Vector> Build(const Teuchos::RCP<const Map>& map, bool zeroOut=true) {
      XPETRA_MONITOR("VectorFactory::Build");

#ifdef HAVE_XPETRA_TPETRA
      if (map->lib() == UseTpetra)
        return rcp( new TpetraVector(map, zeroOut) );
#endif

#ifdef HAVE_XPETRA_EPETRA
#ifndef XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES
      if (map->lib() == UseEpetra)
        return rcp( new EpetraIntVectorT<long long>(map, zeroOut) );
#endif
#endif

      XPETRA_FACTORY_END;
    }

  };
#endif // HAVE_TEUCHOS_LONG_LONG_INT

}

#define XPETRA_VECTORFACTORY_SHORT
#endif
// TODO: one factory for both Vector and MultiVector ?