/usr/include/trilinos/Thyra_DefaultMultiVectorLinearOpWithSolve_def.hpp is in libtrilinos-thyra-dev 12.12.1-5.
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// ***********************************************************************
//
// Thyra: Interfaces and Support for Abstract Numerical Algorithms
// Copyright (2004) Sandia Corporation
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// @HEADER
#ifndef THYRA_MULTI_VECTOR_LINEAR_OP_WITH_SOLVE_HPP
#define THYRA_MULTI_VECTOR_LINEAR_OP_WITH_SOLVE_HPP
#include "Thyra_DefaultMultiVectorLinearOpWithSolve_decl.hpp"
#include "Thyra_DefaultDiagonalLinearOp.hpp"
#include "Thyra_LinearOpWithSolveBase.hpp"
#include "Thyra_DefaultMultiVectorProductVectorSpace.hpp"
#include "Thyra_DefaultMultiVectorProductVector.hpp"
#include "Thyra_AssertOp.hpp"
#include "Teuchos_dyn_cast.hpp"
namespace Thyra {
// Constructors/initializers/accessors
template<class Scalar>
DefaultMultiVectorLinearOpWithSolve<Scalar>::DefaultMultiVectorLinearOpWithSolve()
{}
template<class Scalar>
void DefaultMultiVectorLinearOpWithSolve<Scalar>::nonconstInitialize(
const RCP<LinearOpWithSolveBase<Scalar> > &lows,
const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
)
{
validateInitialize(lows,multiVecRange,multiVecDomain);
lows_ = lows;
multiVecRange_ = multiVecRange;
multiVecDomain_ = multiVecDomain;
}
template<class Scalar>
void DefaultMultiVectorLinearOpWithSolve<Scalar>::initialize(
const RCP<const LinearOpWithSolveBase<Scalar> > &lows,
const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
)
{
validateInitialize(lows,multiVecRange,multiVecDomain);
lows_ = lows;
multiVecRange_ = multiVecRange;
multiVecDomain_ = multiVecDomain;
}
template<class Scalar>
RCP<LinearOpWithSolveBase<Scalar> >
DefaultMultiVectorLinearOpWithSolve<Scalar>::getNonconstLinearOpWithSolve()
{
return lows_.getNonconstObj();
}
template<class Scalar>
RCP<const LinearOpWithSolveBase<Scalar> >
DefaultMultiVectorLinearOpWithSolve<Scalar>::getLinearOpWithSolve() const
{
return lows_.getConstObj();
}
template<class Scalar>
void DefaultMultiVectorLinearOpWithSolve<Scalar>::uninitialize()
{
lows_.uninitialize();
multiVecRange_ = Teuchos::null;
multiVecDomain_ = Teuchos::null;
}
// Overridden from LinearOpBase
template<class Scalar>
RCP< const VectorSpaceBase<Scalar> >
DefaultMultiVectorLinearOpWithSolve<Scalar>::range() const
{
return multiVecRange_;
}
template<class Scalar>
RCP< const VectorSpaceBase<Scalar> >
DefaultMultiVectorLinearOpWithSolve<Scalar>::domain() const
{
return multiVecDomain_;
}
template<class Scalar>
RCP<const LinearOpBase<Scalar> >
DefaultMultiVectorLinearOpWithSolve<Scalar>::clone() const
{
return Teuchos::null; // ToDo: Implement if needed ???
}
// protected
// Overridden from LinearOpBase
template<class Scalar>
bool DefaultMultiVectorLinearOpWithSolve<Scalar>::opSupportedImpl(
EOpTransp M_trans
) const
{
return Thyra::opSupported(*lows_.getConstObj(),M_trans);
}
template<class Scalar>
void DefaultMultiVectorLinearOpWithSolve<Scalar>::applyImpl(
const EOpTransp M_trans,
const MultiVectorBase<Scalar> &XX,
const Ptr<MultiVectorBase<Scalar> > &YY,
const Scalar alpha,
const Scalar beta
) const
{
using Teuchos::dyn_cast;
typedef DefaultMultiVectorProductVector<Scalar> MVPV;
const Ordinal numCols = XX.domain()->dim();
for (Ordinal col_j = 0; col_j < numCols; ++col_j) {
const RCP<const VectorBase<Scalar> > x = XX.col(col_j);
const RCP<VectorBase<Scalar> > y = YY->col(col_j);
RCP<const MultiVectorBase<Scalar> >
X = dyn_cast<const MVPV>(*x).getMultiVector().assert_not_null();
RCP<MultiVectorBase<Scalar> >
Y = dyn_cast<MVPV>(*y).getNonconstMultiVector().assert_not_null();
Thyra::apply( *lows_.getConstObj(), M_trans, *X, Y.ptr(), alpha, beta );
}
}
// Overridden from LinearOpWithSolveBase
template<class Scalar>
bool
DefaultMultiVectorLinearOpWithSolve<Scalar>::solveSupportsImpl(
EOpTransp M_trans
) const
{
return Thyra::solveSupports(*lows_.getConstObj(),M_trans);
}
template<class Scalar>
bool
DefaultMultiVectorLinearOpWithSolve<Scalar>::solveSupportsSolveMeasureTypeImpl(
EOpTransp M_trans, const SolveMeasureType& solveMeasureType
) const
{
return Thyra::solveSupportsSolveMeasureType(
*lows_.getConstObj(),M_trans,solveMeasureType);
}
template<class Scalar>
SolveStatus<Scalar>
DefaultMultiVectorLinearOpWithSolve<Scalar>::solveImpl(
const EOpTransp transp,
const MultiVectorBase<Scalar> &BB,
const Ptr<MultiVectorBase<Scalar> > &XX,
const Ptr<const SolveCriteria<Scalar> > solveCriteria
) const
{
using Teuchos::dyn_cast;
using Teuchos::outArg;
using Teuchos::inOutArg;
typedef DefaultMultiVectorProductVector<Scalar> MVPV;
const Ordinal numCols = BB.domain()->dim();
SolveStatus<Scalar> overallSolveStatus;
accumulateSolveStatusInit(outArg(overallSolveStatus));
for (Ordinal col_j = 0; col_j < numCols; ++col_j) {
const RCP<const VectorBase<Scalar> > b = BB.col(col_j);
const RCP<VectorBase<Scalar> > x = XX->col(col_j);
RCP<const MultiVectorBase<Scalar> >
B = dyn_cast<const MVPV>(*b).getMultiVector().assert_not_null();
RCP<MultiVectorBase<Scalar> >
X = dyn_cast<MVPV>(*x).getNonconstMultiVector().assert_not_null();
const SolveStatus<Scalar> solveStatus =
Thyra::solve(*lows_.getConstObj(), transp, *B, X.ptr(), solveCriteria);
accumulateSolveStatus(
SolveCriteria<Scalar>(), // Never used
solveStatus, inOutArg(overallSolveStatus) );
}
return overallSolveStatus;
}
// private
template<class Scalar>
void DefaultMultiVectorLinearOpWithSolve<Scalar>::validateInitialize(
const RCP<const LinearOpWithSolveBase<Scalar> > &lows,
const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
)
{
#ifdef TEUCHOS_DEBUG
TEUCHOS_TEST_FOR_EXCEPT(is_null(lows));
TEUCHOS_TEST_FOR_EXCEPT(is_null(multiVecRange));
TEUCHOS_TEST_FOR_EXCEPT(is_null(multiVecDomain));
TEUCHOS_TEST_FOR_EXCEPT( multiVecRange->numBlocks() != multiVecDomain->numBlocks() );
if (lows->range() != Teuchos::null)
THYRA_ASSERT_VEC_SPACES(
"DefaultMultiVectorLinearOpWithSolve<Scalar>::initialize(lows,multiVecRange,multiVecDomain)",
*lows->range(), *multiVecRange->getBlock(0) );
if (lows->domain() != Teuchos::null)
THYRA_ASSERT_VEC_SPACES(
"DefaultMultiVectorLinearOpWithSolve<Scalar>::initialize(lows,multiVecRange,multiVecDomain)",
*lows->domain(), *multiVecDomain->getBlock(0) );
#endif
}
} // end namespace Thyra
#endif // THYRA_MULTI_VECTOR_LINEAR_OP_WITH_SOLVE_HPP
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