/usr/include/trilinos/Thyra_SerialVectorSpaceConverterBase.hpp is in libtrilinos-thyra-dev 12.4.2-2.
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// ***********************************************************************
//
// Thyra: Interfaces and Support for Abstract Numerical Algorithms
// Copyright (2004) Sandia Corporation
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// @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
TEUCHOS_TEST_FOR_EXCEPT(mv_to==NULL);
#endif
ConstDetachedMultiVectorView<ScalarFrom> emv_from(mv_from);
DetachedMultiVectorView<ScalarTo> emv_to(*mv_to);
#ifdef TEUCHOS_DEBUG
TEUCHOS_TEST_FOR_EXCEPT(emv_from.subDim() != emv_to.subDim());
TEUCHOS_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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