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Thyra_SerialVectorSpaceConverterBase.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_SERIAL_VECTOR_SPACE_CONVERTED_BASE_HPP
00030 #define THYRA_SERIAL_VECTOR_SPACE_CONVERTED_BASE_HPP
00031 
00032 #include "Thyra_VectorSpaceConverterBase.hpp"
00033 #include "Thyra_DetachedMultiVectorView.hpp"
00034 
00035 
00036 namespace Thyra {
00037 
00038 
00048 template<class ScalarFrom, class ScalarTo>
00049 class SerialVectorSpaceConverterBase
00050   : virtual public VectorSpaceConverterBase<ScalarFrom,ScalarTo>
00051 {
00052 public:
00053 
00056 
00058   virtual void convert(
00059     const MultiVectorBase<ScalarFrom> &mv_from,
00060     MultiVectorBase<ScalarTo> *mv_to
00061     ) const;
00062 
00064   
00065 };
00066 
00067 
00068 // Implementation
00069 
00070 
00071 template<class ScalarFrom, class ScalarTo>
00072 void SerialVectorSpaceConverterBase<ScalarFrom,ScalarTo>::convert(
00073   const MultiVectorBase<ScalarFrom> &mv_from,
00074   MultiVectorBase<ScalarTo> *mv_to
00075   ) const
00076 {
00077 #ifdef TEUCHOS_DEBUG
00078   TEST_FOR_EXCEPT(mv_to==NULL);
00079 #endif
00080   ConstDetachedMultiVectorView<ScalarFrom> emv_from(mv_from);
00081   DetachedMultiVectorView<ScalarTo> emv_to(*mv_to);
00082 #ifdef TEUCHOS_DEBUG
00083   TEST_FOR_EXCEPT(emv_from.subDim() != emv_to.subDim());
00084   TEST_FOR_EXCEPT(emv_from.numSubCols() != emv_to.numSubCols());
00085 #endif
00086   for( Ordinal j = 0; j < emv_from.numSubCols(); ++j ) {
00087     for( Ordinal i = 0; i < emv_from.subDim(); ++i ) {
00088       emv_to(i,j) = emv_from(i,j); // ToDo: Make this faster using optimized copy functions?
00089     }
00090   }
00091 }
00092 
00093 
00094 } // namespace Thyra
00095 
00096 
00097 #endif // THYRA_SERIAL_VECTOR_SPACE_CONVERTED_BASE_HPP
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