/usr/include/trilinos/Thyra_DetachedMultiVectorView.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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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
#include "Thyra_MultiVectorBase.hpp"
#include "Thyra_AssertOp.hpp"
#ifndef THYRA_EXPLICIT_MULTI_VECTOR_VIEW_HPP
#define THYRA_EXPLICIT_MULTI_VECTOR_VIEW_HPP
namespace Thyra {
/** \brief Create an explicit non-mutable (const) view of a <tt>MultiVectorBase</tt> object.
*
* \ingroup Thyra_Op_Vec_ANA_Development_grp
*/
template<class Scalar>
class ConstDetachedMultiVectorView {
public:
/** \brief . */
ConstDetachedMultiVectorView(
const MultiVectorBase<Scalar>& mv, const Range1D &rowRng = Range1D(), const Range1D &colRng = Range1D()
)
: mv_(mv) { mv_.acquireDetachedView(rowRng,colRng,&smv_); }
/** \brief . */
~ConstDetachedMultiVectorView() { mv_.releaseDetachedView(&smv_); }
/** \brief . */
const RTOpPack::ConstSubMultiVectorView<Scalar>& smv() const { return smv_; }
/** \brief . */
Teuchos_Index globalOffset() const { return smv_.globalOffset(); }
/** \brief . */
Teuchos_Index subDim() const { return smv_.subDim(); }
/** \brief . */
Teuchos_Index colOffset() const { return smv_.colOffset(); }
/** \brief . */
Teuchos_Index numSubCols() const { return smv_.numSubCols(); }
/** \brief . */
const Scalar* values() const { return smv_.values().get(); }
/** \brief . */
Teuchos_Index leadingDim() const { return smv_.leadingDim(); }
/// Zero-based indexing: Preconditions: <tt>values()!=NULL && (0<=i<subDim()) && (0<=j<numSubCols())</tt>
const Scalar& operator()(Teuchos_Index i,Teuchos_Index j) const { return smv_(i,j); }
private:
const MultiVectorBase<Scalar> &mv_;
RTOpPack::ConstSubMultiVectorView<Scalar> smv_;
// Not defined and not to be called
ConstDetachedMultiVectorView();
ConstDetachedMultiVectorView(const ConstDetachedMultiVectorView<Scalar>&);
ConstDetachedMultiVectorView<Scalar>& operator==(const ConstDetachedMultiVectorView<Scalar>&);
};
/** \brief Create an explicit mutable (non-const) view of a <tt>MultiVectorBase</tt> object.
*
* \ingroup Thyra_Op_Vec_ANA_Development_grp
*/
template<class Scalar>
class DetachedMultiVectorView {
public:
/** \brief . */
DetachedMultiVectorView(
MultiVectorBase<Scalar>& mv, const Range1D &rowRng = Range1D(), const Range1D &colRng = Range1D()
)
: mv_(mv) { mv_.acquireDetachedView(rowRng,colRng,&smv_); }
/** \brief . */
~DetachedMultiVectorView() { mv_.commitDetachedView(&smv_); }
/** \brief . */
const RTOpPack::SubMultiVectorView<Scalar>& smv() const { return smv_; }
/** \brief . */
Teuchos_Index globalOffset() const { return smv_.globalOffset(); }
/** \brief . */
Teuchos_Index subDim() const { return smv_.subDim(); }
/** \brief . */
Teuchos_Index colOffset() const { return smv_.colOffset(); }
/** \brief . */
Teuchos_Index numSubCols() const { return smv_.numSubCols(); }
/** \brief . */
Scalar* values() const { return smv_.values().get(); }
/** \brief . */
Teuchos_Index leadingDim() const { return smv_.leadingDim(); }
/// Zero-based indexing: Preconditions: <tt>values()!=NULL && (0<=i<subDim()) && (0<=j<numSubCols())</tt>
Scalar& operator()(Teuchos_Index i,Teuchos_Index j) { return smv_(i,j); }
private:
MultiVectorBase<Scalar> &mv_;
RTOpPack::SubMultiVectorView<Scalar> smv_;
// Not defined and not to be called
DetachedMultiVectorView();
DetachedMultiVectorView(const DetachedMultiVectorView<Scalar>&);
DetachedMultiVectorView<Scalar>& operator==(const DetachedMultiVectorView<Scalar>&);
};
/** \brief Do an explicit multi-vector adjoint.
*
* \relates DetachedMultiVectorView
*/
template<class Scalar>
void doExplicitMultiVectorAdjoint(
const MultiVectorBase<Scalar>& mvIn, MultiVectorBase<Scalar>* mvTransOut
)
{
typedef Teuchos::ScalarTraits<Scalar> ST;
#ifdef TEUCHOS_DEBUG
TEST_FOR_EXCEPT(0==mvTransOut);
THYRA_ASSERT_VEC_SPACES("doExplicitMultiVectorAdjoint(...)",
*mvIn.domain(), *mvTransOut->range()
);
THYRA_ASSERT_VEC_SPACES("doExplicitMultiVectorAdjoint(...)",
*mvIn.range(), *mvTransOut->domain()
);
#endif
ConstDetachedMultiVectorView<Scalar> dMvIn(mvIn);
DetachedMultiVectorView<Scalar> dMvTransOut(*mvTransOut);
const int m = dMvIn.subDim();
const int n = dMvIn.numSubCols();
for ( int j = 0; j < n; ++j ) {
for ( int i = 0; i < m; ++i ) {
dMvTransOut(j,i) = ST::conjugate(dMvIn(i,j));
}
}
}
} // namespace Thyra
#endif // THYRA_EXPLICIT_MULTI_VECTOR_VIEW_HPP
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