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  • Committer: Garth N. Wells
  • Date: 2008-05-18 16:18:26 UTC
  • mfrom: (2668.2.1 trunk)
  • mto: (2668.7.1 trunk)
  • mto: This revision was merged to the branch mainline in revision 2670.
  • Revision ID: gnw20@cam.ac.uk-20080518161826-rb28aps5hkd304zh
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dolfin/la/uBlasFactory.h
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// Copyright (C) 2007 Ola Skavhaug.
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// Licensed under the GNU LGPL Version 2.1.
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//
 
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// Modified by Garth N. Wells, 2008.
 
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//
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// First added:  2007-12-06
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// Last changed: 2007-12-06
 
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// Last changed: 2008-05-18
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#ifndef __UBLAS_FACTORY_H
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#define __UBLAS_FACTORY_H
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#include "SparsityPattern.h"
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#include "LinearAlgebraFactory.h"
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namespace dolfin
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{
 
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  // Forward declaration
 
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  template< class T> class uBlasMatrix;
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  template<class Mat = ublas_sparse_matrix>
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  class uBlasFactory: public LinearAlgebraFactory
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  {
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  public:
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    virtual ~uBlasFactory() {}
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    /// Create empty matrix
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    uBlasMatrix<ublas_sparse_matrix>* createMatrix() const;
 
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    uBlasMatrix<Mat>* createMatrix() const
 
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    { return new uBlasMatrix<Mat>(); }
 
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    /// Create empty sparsity pattern 
 
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    SparsityPattern* createPattern() const
 
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    { return new SparsityPattern(); }
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    /// Create empty vector
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    uBlasVector* createVector() const;
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    /// Create empty sparsity pattern 
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    SparsityPattern* createPattern() const;
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    /// Return sigleton instance
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    static uBlasFactory& instance()
 
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    uBlasVector* createVector() const
 
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    { return new uBlasVector(); }
 
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    static uBlasFactory<Mat>& instance() 
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    { return factory; }
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  private:
 
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    /// Private Constructor
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    uBlasFactory() {}
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    static uBlasFactory factory;
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    static uBlasFactory<Mat> factory;
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  };
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}
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// Initialise static data
 
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template<class Mat> dolfin::uBlasFactory<Mat> dolfin::uBlasFactory<Mat>::factory;
 
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#endif