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// ***********************************************************************
//
// Thyra: Interfaces and Support for Abstract Numerical Algorithms
// 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
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// 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
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef THYRA_SERIAL_VECTOR_SPACE_CONVERTED_BASE_HPP
#define THYRA_SERIAL_VECTOR_SPACE_CONVERTED_BASE_HPP
#include "Thyra_VectorSpaceConverterBase.hpp"
#include "Thyra_DetachedMultiVectorView.hpp"
namespace Thyra {
/** \brief Node base class for converting serial multi-vectors (and vectors)
* from one scalar type to another.
*
* This node base class defines the function <tt>convert()</tt> for all serial
* vectors. A concrete subclass is created by deriving from this interface
* and then defining the function <tt>createVectorSpace()</tt>.
*
* \ingroup Thyra_Op_Vec_adapters_Spmd_support_grp
*/
template<class ScalarFrom, class ScalarTo>
class SerialVectorSpaceConverterBase
: virtual public VectorSpaceConverterBase<ScalarFrom,ScalarTo>
{
public:
/** @name Overridden from VectorSpaceConverterBase */
//@{
/** \brief . */
virtual void convert(
const MultiVectorBase<ScalarFrom> &mv_from,
MultiVectorBase<ScalarTo> *mv_to
) const;
//@}
};
// Implementation
template<class ScalarFrom, class ScalarTo>
void SerialVectorSpaceConverterBase<ScalarFrom,ScalarTo>::convert(
const MultiVectorBase<ScalarFrom> &mv_from,
MultiVectorBase<ScalarTo> *mv_to
) const
{
#ifdef TEUCHOS_DEBUG
TEST_FOR_EXCEPT(mv_to==NULL);
#endif
ConstDetachedMultiVectorView<ScalarFrom> emv_from(mv_from);
DetachedMultiVectorView<ScalarTo> emv_to(*mv_to);
#ifdef TEUCHOS_DEBUG
TEST_FOR_EXCEPT(emv_from.subDim() != emv_to.subDim());
TEST_FOR_EXCEPT(emv_from.numSubCols() != emv_to.numSubCols());
#endif
for( Ordinal j = 0; j < emv_from.numSubCols(); ++j ) {
for( Ordinal i = 0; i < emv_from.subDim(); ++i ) {
emv_to(i,j) = emv_from(i,j); // ToDo: Make this faster using optimized copy functions?
}
}
}
} // namespace Thyra
#endif // THYRA_SERIAL_VECTOR_SPACE_CONVERTED_BASE_HPP
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