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Thyra_TsqrAdaptor.hpp
00001 // @HEADER
00002 // ***********************************************************************
00003 //
00004 //                 Belos: Block Eigensolvers Package
00005 //                 Copyright (2010) Sandia Corporation
00006 //
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 //
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov)
00025 //
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef __Thyra_TsqrAdaptor_hpp
00030 #define __Thyra_TsqrAdaptor_hpp
00031 
00032 #include <BelosConfigDefs.hpp>
00033 
00034 #include <Thyra_DetachedMultiVectorView.hpp>
00035 #include <Thyra_MultiVectorBase.hpp>
00036 #include <Thyra_MultiVectorStdOps.hpp>
00037 #include <Teuchos_ParameterListAcceptorDefaultBase.hpp>
00038 #include <stdexcept>
00039 
00040 
00041 namespace Thyra {
00042 
00064   template<class Scalar>
00065   class TsqrAdaptor : public Teuchos::ParameterListAcceptorDefaultBase {
00066   public:
00067     typedef Thyra::MultiVectorBase<Scalar> MV;
00068     typedef Scalar scalar_type;
00069     typedef int ordinal_type; // MultiVectorBase really does use int for this
00070     typedef int node_type; // FIXME (mfh 26 Oct 2010) stub for now
00071     typedef Teuchos::SerialDenseMatrix<ordinal_type, scalar_type> dense_matrix_type;
00072     typedef typename Teuchos::ScalarTraits<scalar_type>::magnitudeType magnitude_type;
00073 
00074   public:
00081     TsqrAdaptor (const Teuchos::RCP<Teuchos::ParameterList>& plist) 
00082     {
00083       throw std::logic_error ("Thyra adaptor for TSQR not implemented");
00084     }
00085 
00087     TsqrAdaptor ()
00088     {
00089       throw std::logic_error ("Thyra adaptor for TSQR not implemented");
00090     }
00091 
00092     Teuchos::RCP<const Teuchos::ParameterList>
00093     getValidParameters () const
00094     {
00095       throw std::logic_error ("Thyra adaptor for TSQR not implemented");
00096     }
00097 
00098     void 
00099     setParameterList (const Teuchos::RCP<Teuchos::ParameterList>& plist)
00100     {
00101       throw std::logic_error ("Thyra adaptor for TSQR not implemented");
00102     }
00103 
00125     void
00126     factorExplicit (MV& A,
00127         MV& Q,
00128         dense_matrix_type& R,
00129         const bool forceNonnegativeDiagonal=false)
00130     {
00131       throw std::logic_error ("Thyra adaptor for TSQR not implemented");
00132     }
00133 
00165     int
00166     revealRank (MV& Q,
00167     dense_matrix_type& R,
00168     const magnitude_type& tol)
00169     {
00170       return 0; // FIXME (mfh 26 Oct 2010) Stub implementation
00171     }
00172   };
00173 
00174 } // namespace Tpetra
00175 
00176 #endif // __Thyra_TsqrAdaptor_hpp
00177 
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