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Thyra_MultiVectorFileIOBase.hpp
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00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00005 //                 Copyright (2004) 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_MULTI_VECTOR_FILE_IO_BASE_HPP
00030 #define THYRA_MULTI_VECTOR_FILE_IO_BASE_HPP
00031 
00032 #include "Thyra_OperatorVectorTypes.hpp"
00033 #include "Teuchos_ParameterListAcceptor.hpp"
00034 #include "Teuchos_VerboseObject.hpp"
00035 
00036 
00037 namespace Thyra {
00038 
00039 
00068 template<class Scalar>
00069 class MultiVectorFileIOBase
00070   : virtual public Teuchos::VerboseObject<MultiVectorFileIOBase<Scalar> >
00071 {
00072 public:
00073 
00076   virtual bool isCompatible( const MultiVectorBase<Scalar> &mv ) const = 0;
00077 
00094   virtual void readMultiVectorFromFile(
00095     const std::string &fileNameBase,
00096     Thyra::MultiVectorBase<Scalar> *mv
00097     ) const = 0;
00098   
00110   virtual void writeMultiVectorToFile(
00111     const Thyra::MultiVectorBase<Scalar> &mv,
00112     const std::string &fileNameBase
00113     ) const = 0;
00114   
00116   
00117 };
00118 
00119 
00125 template<class Scalar>
00126 Teuchos::RCP<VectorBase<Scalar> >
00127 readVectorFromFile(
00128   const MultiVectorFileIOBase<Scalar> &fileIO,
00129   const std::string &fileNameBase,
00130   const VectorSpaceBase<Scalar> &vecSpc
00131   )
00132 {
00133   Teuchos::RCP<VectorBase<Scalar> > v = createMember(vecSpc);
00134   fileIO.readMultiVectorFromFile(fileNameBase,&*v);
00135   return v;
00136 }
00137 
00138 
00139 } // namespace Thyra
00140 
00141 
00142 #endif // THYRA_MULTI_VECTOR_FILE_IO_BASE_HPP
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