/usr/include/trilinos/Thyra_MultiVectorAdapterBase_def.hpp is in libtrilinos-thyra-dev 12.10.1-3.
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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.
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// 1. Redistributions of source code must retain the above copyright
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
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// @HEADER
#ifndef THYRA_MULTI_VECTOR_ADAPTER_BASE_DEF_HPP
#define THYRA_MULTI_VECTOR_ADAPTER_BASE_DEF_HPP
#include "Thyra_MultiVectorAdapterBase_decl.hpp"
#include "Thyra_ScalarProdVectorSpaceBase.hpp"
#include "Thyra_ScalarProdBase.hpp"
namespace Thyra {
// Overridden functions from LinearOp
template<class Scalar>
RCP<const VectorSpaceBase<Scalar> >
MultiVectorAdapterBase<Scalar>::range() const
{
return rangeScalarProdVecSpc();
}
template<class Scalar>
RCP<const VectorSpaceBase<Scalar> >
MultiVectorAdapterBase<Scalar>::domain() const
{
return domainScalarProdVecSpc();
}
// Overridden protected functions from LinearOpBase
template<class Scalar>
bool MultiVectorAdapterBase<Scalar>::opSupportedImpl(EOpTransp M_trans) const
{
if (ScalarTraits<Scalar>::isComplex)
return (M_trans == NOTRANS || M_trans == CONJTRANS);
return true;
}
template<class Scalar>
void MultiVectorAdapterBase<Scalar>::applyImpl(
const EOpTransp M_trans,
const MultiVectorBase<Scalar> &X,
const Ptr<MultiVectorBase<Scalar> > &Y,
const Scalar alpha,
const Scalar beta
) const
{
//
// Perform:
//
// NOTRANS: Y = beta*Y + alpha * M * Q_D * X
//
// CONJTRANS: Y = beta*Y + alpha * M^H * Q_R * X
//
// where T = Q_D * X or Q_R * X
//
RCP<const ScalarProdVectorSpaceBase<Scalar> > scalarProdVecSpc =
( real_trans(M_trans) == NOTRANS
? domainScalarProdVecSpc()
: rangeScalarProdVecSpc() );
RCP<const ScalarProdBase<Scalar> > scalarProd = scalarProdVecSpc->getScalarProd();
if (scalarProd->isEuclidean()) {
// Y = beta*Y + alpha * op(M) * X
this->euclideanApply(M_trans, X, Y, alpha, beta);
}
else {
// T = Q * X
RCP<MultiVectorBase<Scalar> > T = createMembers(X.range(), X.domain());
::Thyra::apply(*scalarProd->getLinearOp(), NOTRANS, X, T.ptr());
// Y = beta*Y + alpha * op(M) * T
this->euclideanApply(M_trans, *T, Y, alpha, beta);
}
}
} // namespace Thyra
#endif // THYRA_MULTI_VECTOR_ADAPTER_BASE_DEF_HPP
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