Tpetra_DirectoryDecl.hpp

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// ***********************************************************************
// 
//          Tpetra: Templated Linear Algebra Services Package
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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//  
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
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#ifndef TPETRA_DIRECTORY_DECL_HPP
#define TPETRA_DIRECTORY_DECL_HPP

#include <Teuchos_RCP.hpp>
#include <Teuchos_Object.hpp>
#include "Tpetra_MapDecl.hpp"

namespace Tpetra {

  
  template<typename Ordinal>
  class Directory : public Teuchos::Object {
  public:
    

    
    Directory(const Map<Ordinal> & map);
    
 private:
    Directory(const Directory<Ordinal> & Directory);
 public:
    ~Directory();
    
    

    

    bool getDirectoryEntries(const Teuchos::ArrayView<const Ordinal> &globalEntries, 
                             const Teuchos::ArrayView<Ordinal> &images) const;
    

    bool getDirectoryEntries(const Teuchos::ArrayView<const Ordinal> &globalEntries, 
                             const Teuchos::ArrayView<Ordinal> &images, 
                             const Teuchos::ArrayView<Ordinal> &localEntries) const;
    
  private:
    const Map<Ordinal> map_;
    Teuchos::RCP<const Teuchos::Comm<Ordinal> > comm_;
    std::vector<Ordinal> allMinGIDs_;
    std::vector<Ordinal> imageIDs_;
    std::vector<Ordinal> LIDs_;
    Teuchos::RCP< Map<Ordinal> > directoryMap_;
    
    Directory<Ordinal>& operator = (const Directory<Ordinal> & Source);

    // common code for both versions of getDirectoryEntries
    bool getEntries(const Teuchos::ArrayView<const Ordinal> &globalEntries, 
                    const Teuchos::ArrayView<Ordinal> &images, 
                    const Teuchos::ArrayView<Ordinal> &localEntries, 
                          bool computeLIDs) const;
    
    // directory setup for non-contiguous ES
    void generateDirectory();
    
  }; // class Directory
  
} // namespace Tpetra

#endif // TPETRA_DIRECTORY_DECL_HPP

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