/usr/include/trilinos/Amesos2_MultiVecAdapter_def.hpp is in libtrilinos-amesos2-dev 12.10.1-3.
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//
// ***********************************************************************
//
// Amesos2: Templated Direct Sparse Solver Package
// Copyright 2011 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
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// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// 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
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
#ifndef AMESOS2_MULTIVECADAPTER_DEF_HPP
#define AMESOS2_MULTIVECADAPTER_DEF_HPP
#include "Amesos2_TpetraMultiVecAdapter_def.hpp"
// EpetraMultiVecAdapter_def.hpp not included because the specialization is not a template
#include "Amesos2_Util.hpp" // for getDistributionMap
namespace Amesos2{
namespace Util {
////////////////////////////
// Copy-getting utilities //
////////////////////////////
/*
* If the multivector scalar type and the desired scalar tpye are
* the same, then we can do a simple straight copy.
*/
template <typename MV>
void same_type_get_copy<MV>::apply(const Teuchos::Ptr<const MV>& mv,
const Teuchos::ArrayView<typename MV::scalar_t>& v,
const size_t ldx,
Teuchos::Ptr<const Tpetra::Map<typename MV::local_ordinal_t, typename MV::global_ordinal_t, typename MV::node_t> > distribution_map )
{
mv->get1dCopy (v, ldx, distribution_map);
}
/*
* In the case where the scalar type of the multi-vector and the
* corresponding S type are different, then we need to first get a
* copy of the scalar values, then convert each one into the S
* type before inserting into the vals array.
*/
template <typename MV, typename S>
void diff_type_get_copy<MV,S>::
apply (const Teuchos::Ptr<const MV>& mv,
const Teuchos::ArrayView<S>& v,
const size_t& ldx,
Teuchos::Ptr<const Tpetra::Map<typename MV::local_ordinal_t, typename MV::global_ordinal_t, typename MV::node_t> > distribution_map)
{
typedef typename MV::scalar_t mv_scalar_t;
typedef typename Teuchos::Array<mv_scalar_t>::size_type size_type;
TEUCHOS_TEST_FOR_EXCEPTION(
mv.getRawPtr () == NULL, std::invalid_argument,
"Amesos2::diff_type_get_copy::apply: mv is null.");
TEUCHOS_TEST_FOR_EXCEPTION(
distribution_map.getRawPtr () == NULL, std::invalid_argument,
"Amesos2::diff_type_get_copy::apply: distribution_map is null.");
const size_type vals_length = v.size ();
Teuchos::Array<mv_scalar_t> vals_tmp (vals_length);
mv->get1dCopy (vals_tmp (), ldx, distribution_map);
for (size_type i = 0; i < vals_length; ++i) {
v[i] = Teuchos::as<S> (vals_tmp[i]);
}
}
/** \internal
*
* \brief Helper class for getting 1-D copies of multivectors
*
* Handles datatype conversion when appropriate.
*/
template <class MV, typename S>
void get_1d_copy_helper<MV,S>::
do_get (const Teuchos::Ptr<const MV>& mv,
const Teuchos::ArrayView<S>& vals,
const size_t ldx,
Teuchos::Ptr<const Tpetra::Map<typename MV::local_ordinal_t, typename MV::global_ordinal_t, typename MV::node_t> > distribution_map)
{
// Dispatch to the copy function appropriate for the type
if_then_else<is_same<typename MV::scalar_t,S>::value,
same_type_get_copy<MV>,
diff_type_get_copy<MV,S> >::type::apply (mv, vals, ldx, distribution_map);
}
template <class MV, typename S>
void get_1d_copy_helper<MV,S>::
do_get (const Teuchos::Ptr<const MV>& mv,
const Teuchos::ArrayView<S>& vals,
const size_t ldx,
EDistribution distribution,
typename MV::global_ordinal_t indexBase)
{
typedef typename MV::local_ordinal_t lo_t;
typedef typename MV::global_ordinal_t go_t;
typedef typename MV::global_size_t gs_t;
typedef typename MV::node_t node_t;
TEUCHOS_TEST_FOR_EXCEPTION(
mv.getRawPtr () == NULL, std::invalid_argument,
"Amesos2::get_1d_copy_helper::do_get(5 args): mv is null.");
Teuchos::RCP<const Tpetra::Map<lo_t,go_t,node_t> > map
= Amesos2::Util::getDistributionMap<lo_t,go_t,gs_t,node_t> (distribution,
mv->getGlobalLength (),
mv->getComm (), indexBase);
do_get (mv, vals, ldx, Teuchos::ptrInArg (*map));
}
template <class MV, typename S>
void get_1d_copy_helper<MV,S>::do_get(const Teuchos::Ptr<const MV>& mv,
const Teuchos::ArrayView<S>& vals,
const size_t ldx)
{
typedef Tpetra::Map<typename MV::local_ordinal_t,
typename MV::global_ordinal_t,
typename MV::node_t> map_type;
TEUCHOS_TEST_FOR_EXCEPTION(
mv.getRawPtr () == NULL, std::invalid_argument,
"Amesos2::get_1d_copy_helper::do_get(3 args): mv is null.");
Teuchos::RCP<const map_type> map = mv->getMap ();
TEUCHOS_TEST_FOR_EXCEPTION(
map.is_null (), std::invalid_argument,
"Amesos2::get_1d_copy_helper::do_get(3 args): mv->getMap() is null.");
do_get (mv, vals, ldx, Teuchos::ptrInArg (*map));
}
///////////////////////////
// Copy-puting utilities //
///////////////////////////
template <typename MV>
void same_type_data_put<MV>::apply(const Teuchos::Ptr<MV>& mv,
const Teuchos::ArrayView<typename MV::scalar_t>& data,
const size_t ldx,
Teuchos::Ptr<const Tpetra::Map<typename MV::local_ordinal_t, typename MV::global_ordinal_t, typename MV::node_t> > distribution_map )
{
mv->put1dData (data, ldx, distribution_map);
}
/*
* In the case where the scalar type of the multi-vector and the
* corresponding S type are different, then we need to first get a
* copy of the scalar values, then convert each one into the S
* type before inserting into the vals array.
*/
template <typename MV, typename S>
void diff_type_data_put<MV,S>::apply(const Teuchos::Ptr<MV>& mv,
const Teuchos::ArrayView<S>& data,
const size_t& ldx,
Teuchos::Ptr<const Tpetra::Map<typename MV::local_ordinal_t, typename MV::global_ordinal_t, typename MV::node_t> > distribution_map )
{
typedef typename MV::scalar_t mv_scalar_t;
typedef typename Teuchos::Array<mv_scalar_t>::size_type size_type;
TEUCHOS_TEST_FOR_EXCEPTION(
mv.getRawPtr () == NULL, std::invalid_argument,
"Amesos2::diff_type_data_put(4 args): mv is null.");
const size_type vals_length = data.size ();
Teuchos::Array<mv_scalar_t> data_tmp (vals_length);
for (size_type i = 0; i < vals_length; ++i) {
data_tmp[i] = Teuchos::as<mv_scalar_t> (data[i]);
}
mv->put1dData (data_tmp (), ldx, distribution_map);
}
/** \internal
*
* \brief Helper class for putting 1-D data arrays into multivectors
*
* Handles dataype conversion when necessary before putting the data.
*/
template <class MV, typename S>
void put_1d_data_helper<MV,S>::do_put(const Teuchos::Ptr<MV>& mv,
const Teuchos::ArrayView<S>& data,
const size_t ldx,
Teuchos::Ptr<const Tpetra::Map<typename MV::local_ordinal_t, typename MV::global_ordinal_t, typename MV::node_t> > distribution_map )
{
// Dispatch to the copy function appropriate for the type
if_then_else<is_same<typename MV::scalar_t,S>::value,
same_type_data_put<MV>,
diff_type_data_put<MV,S> >::type::apply(mv, data, ldx, distribution_map);
}
template <class MV, typename S>
void put_1d_data_helper<MV,S>::do_put(const Teuchos::Ptr<MV>& mv,
const Teuchos::ArrayView<S>& data,
const size_t ldx,
EDistribution distribution, typename MV::global_ordinal_t indexBase)
{
typedef typename MV::local_ordinal_t lo_t;
typedef typename MV::global_ordinal_t go_t;
typedef typename MV::global_size_t gs_t;
typedef typename MV::node_t node_t;
const Teuchos::RCP<const Tpetra::Map<lo_t,go_t,node_t> > map
= Amesos2::Util::getDistributionMap<lo_t,go_t,gs_t,node_t>(distribution,
mv->getGlobalLength(),
mv->getComm(), indexBase);
do_put(mv, data, ldx, Teuchos::ptrInArg(*map));
}
template <class MV, typename S>
void put_1d_data_helper<MV,S>::do_put (const Teuchos::Ptr<MV>& mv,
const Teuchos::ArrayView<S>& data,
const size_t ldx)
{
const Teuchos::RCP<const Tpetra::Map<typename MV::local_ordinal_t,
typename MV::global_ordinal_t,
typename MV::node_t> > map
= mv->getMap();
do_put (mv, data, ldx, Teuchos::ptrInArg (*map));
}
} // end namespace Util
} // end namespace Amesos2
#endif // AMESOS2_EPETRAMULTIVECADAPTER_DEF
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