/usr/include/trilinos/Thyra_DefaultMultiVectorProductVector_def.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
//
// 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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// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
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// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// @HEADER
#ifndef THYRA_DEFAULT_MULTI_VECTOR_PRODUCT_VECTOR_HPP
#define THYRA_DEFAULT_MULTI_VECTOR_PRODUCT_VECTOR_HPP
#include "Thyra_DefaultMultiVectorProductVector_decl.hpp"
#include "Thyra_DefaultMultiVectorProductVectorSpace.hpp"
#include "Thyra_AssertOp.hpp"
#include "Teuchos_Assert.hpp"
namespace Thyra {
// Constructors/initializers/accessors
template <class Scalar>
DefaultMultiVectorProductVector<Scalar>::DefaultMultiVectorProductVector()
{
uninitialize();
}
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::initialize(
const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &productSpace_in,
const RCP<MultiVectorBase<Scalar> > &multiVec
)
{
#ifdef TEUCHOS_DEBUG
TEUCHOS_TEST_FOR_EXCEPT(is_null(productSpace_in));
TEUCHOS_TEST_FOR_EXCEPT(is_null(multiVec));
THYRA_ASSERT_VEC_SPACES(
"DefaultMultiVectorProductVector<Scalar>::initialize(productSpace,multiVec)",
*multiVec->range(), *productSpace_in->getBlock(0)
);
TEUCHOS_ASSERT_EQUALITY( multiVec->domain()->dim(), productSpace_in->numBlocks());
#endif
numBlocks_ = productSpace_in->numBlocks();
productSpace_ = productSpace_in;
multiVec_ = multiVec;
}
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::initialize(
const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &productSpace_in,
const RCP<const MultiVectorBase<Scalar> > &multiVec
)
{
#ifdef TEUCHOS_DEBUG
TEUCHOS_TEST_FOR_EXCEPT(is_null(productSpace_in));
TEUCHOS_TEST_FOR_EXCEPT(is_null(multiVec));
THYRA_ASSERT_VEC_SPACES(
"DefaultMultiVectorProductVector<Scalar>::initialize(productSpace_in,multiVec)",
*multiVec->range(), *productSpace_in->getBlock(0)
);
TEUCHOS_ASSERT_EQUALITY( multiVec->domain()->dim(), productSpace_in->numBlocks() );
#endif
numBlocks_ = productSpace_in->numBlocks();
productSpace_ = productSpace_in;
multiVec_ = multiVec;
}
template <class Scalar>
RCP<MultiVectorBase<Scalar> >
DefaultMultiVectorProductVector<Scalar>::getNonconstMultiVector()
{
return multiVec_.getNonconstObj();
}
template <class Scalar>
RCP<const MultiVectorBase<Scalar> >
DefaultMultiVectorProductVector<Scalar>::getMultiVector() const
{
return multiVec_.getConstObj();
}
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::uninitialize()
{
numBlocks_ = 0;
productSpace_ = Teuchos::null;
multiVec_.uninitialize();
}
// Overridden from Teuchos::Describable
template<class Scalar>
std::string DefaultMultiVectorProductVector<Scalar>::description() const
{
std::ostringstream oss;
oss
<< Teuchos::Describable::description()
<< "{"
<< "dim="<<this->space()->dim()
<< ",numColumns = "<<numBlocks_
<< "}";
return oss.str();
}
template<class Scalar>
void DefaultMultiVectorProductVector<Scalar>::describe(
Teuchos::FancyOStream &out_arg,
const Teuchos::EVerbosityLevel verbLevel
) const
{
using Teuchos::OSTab;
using Teuchos::describe;
RCP<FancyOStream> out = rcp(&out_arg,false);
OSTab tab(out);
switch(verbLevel) {
case Teuchos::VERB_DEFAULT:
case Teuchos::VERB_LOW:
*out << this->description() << std::endl;
break;
case Teuchos::VERB_MEDIUM:
case Teuchos::VERB_HIGH:
case Teuchos::VERB_EXTREME:
{
*out
<< Teuchos::Describable::description() << "{"
<< "dim=" << this->space()->dim()
<< "}\n";
OSTab tab2(out);
*out << "multiVec = " << Teuchos::describe(*multiVec_.getConstObj(),verbLevel);
break;
}
default:
TEUCHOS_TEST_FOR_EXCEPT(true); // Should never get here!
}
}
// Overridden from ProductVectorBase
template <class Scalar>
RCP<VectorBase<Scalar> >
DefaultMultiVectorProductVector<Scalar>::getNonconstVectorBlock(const int k)
{
#ifdef TEUCHOS_DEBUG
TEUCHOS_ASSERT_IN_RANGE_UPPER_EXCLUSIVE( k, 0, numBlocks_ );
#endif
return multiVec_.getNonconstObj()->col(k);
}
template <class Scalar>
RCP<const VectorBase<Scalar> >
DefaultMultiVectorProductVector<Scalar>::getVectorBlock(const int k) const
{
#ifdef TEUCHOS_DEBUG
TEUCHOS_ASSERT_IN_RANGE_UPPER_EXCLUSIVE( k, 0, numBlocks_ );
#endif
return multiVec_.getConstObj()->col(k);
}
// Overridden from ProductMultiVectorBase
template <class Scalar>
RCP<const ProductVectorSpaceBase<Scalar> >
DefaultMultiVectorProductVector<Scalar>::productSpace() const
{
return productSpace_;
}
template <class Scalar>
bool DefaultMultiVectorProductVector<Scalar>::blockIsConst(const int k) const
{
#ifdef TEUCHOS_DEBUG
TEUCHOS_ASSERT_IN_RANGE_UPPER_EXCLUSIVE( k, 0, numBlocks_ );
#endif
return multiVec_.isConst();
}
template <class Scalar>
RCP<MultiVectorBase<Scalar> >
DefaultMultiVectorProductVector<Scalar>::getNonconstMultiVectorBlock(const int k)
{
return getNonconstVectorBlock(k);
}
template <class Scalar>
RCP<const MultiVectorBase<Scalar> >
DefaultMultiVectorProductVector<Scalar>::getMultiVectorBlock(const int k) const
{
return getVectorBlock(k);
}
// Overridden public functions from VectorBase
template <class Scalar>
RCP< const VectorSpaceBase<Scalar> >
DefaultMultiVectorProductVector<Scalar>::space() const
{
return productSpace_;
}
// protected
// Overridden protected functions from VectorBase
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::applyOpImpl(
const RTOpPack::RTOpT<Scalar> &op,
const ArrayView<const Ptr<const VectorBase<Scalar> > > &vecs,
const ArrayView<const Ptr<VectorBase<Scalar> > > &targ_vecs,
const Ptr<RTOpPack::ReductTarget> &reduct_obj,
const Ordinal global_offset
) const
{
this->getDefaultProductVector()->applyOp(
op, vecs, targ_vecs, reduct_obj, global_offset );
}
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::acquireDetachedVectorViewImpl(
const Range1D& rng_in, RTOpPack::ConstSubVectorView<Scalar>* sub_vec
) const
{
this->getDefaultProductVector()->acquireDetachedView(rng_in,sub_vec);
}
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::releaseDetachedVectorViewImpl(
RTOpPack::ConstSubVectorView<Scalar>* sub_vec
) const
{
this->getDefaultProductVector()->releaseDetachedView(sub_vec);
}
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::acquireNonconstDetachedVectorViewImpl(
const Range1D& rng_in, RTOpPack::SubVectorView<Scalar>* sub_vec
)
{
TEUCHOS_TEST_FOR_EXCEPT("ToDo: Implement DefaultMultiVectorProductVector<Scalar>::acquireNonconstDetachedVectorViewImpl(...)!");
}
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::commitNonconstDetachedVectorViewImpl(
RTOpPack::SubVectorView<Scalar>* sub_vec
)
{
TEUCHOS_TEST_FOR_EXCEPT("ToDo: Implement DefaultMultiVectorProductVector<Scalar>::commitNonconstDetachedVectorViewImpl(...)!");
}
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::setSubVectorImpl(
const RTOpPack::SparseSubVectorT<Scalar>& sub_vec
)
{
TEUCHOS_TEST_FOR_EXCEPT("ToDo: Implement DefaultMultiVectorProductVector<Scalar>::setSubVector(...)!");
}
// Overridden protected functions from VectorBase
template <class Scalar>
void DefaultMultiVectorProductVector<Scalar>::assignImpl(Scalar alpha)
{
multiVec_.getNonconstObj()->assign(alpha);
}
// private
template <class Scalar>
RCP<const DefaultProductVector<Scalar> >
DefaultMultiVectorProductVector<Scalar>::getDefaultProductVector() const
{
// This function exists since in general we can not create views of a column
// vectors and expect the changes to be mirrored in the mulit-vector
// automatically. Later, we might be able to change this once we have a
// Thyra::MultiVectorBase::hasDirectColumnVectorView() function and it
// returns true. Until then, this is the safe way to do this ...
Array<RCP<const VectorBase<Scalar> > > vecArray;
for ( int k = 0; k < numBlocks_; ++k) {
vecArray.push_back(multiVec_.getConstObj()->col(k));
}
return Thyra::defaultProductVector<Scalar>(
productSpace_->getDefaultProductVectorSpace(),
vecArray()
);
}
} // namespace Thyra
#endif // THYRA_DEFAULT_MULTI_VECTOR_PRODUCT_VECTOR_HPP
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