/usr/include/trilinos/Amesos2_MatrixAdapter_def.hpp is in libtrilinos-amesos2-dev 12.4.2-2.
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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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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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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_MATRIXADAPTER_DEF_HPP
#define AMESOS2_MATRIXADAPTER_DEF_HPP
#include <Tpetra_Util.hpp>
#include "Amesos2_MatrixAdapter_decl.hpp"
#include "Amesos2_ConcreteMatrixAdapter_def.hpp"
//#include "Amesos2_ConcreteMatrixAdapter.hpp"
namespace Amesos2 {
template < class Matrix >
MatrixAdapter<Matrix>::MatrixAdapter(const Teuchos::RCP<Matrix> m)
: mat_(m)
{
comm_ = static_cast<const adapter_t*>(this)->getComm_impl();
col_map_ = static_cast<const adapter_t*>(this)->getColMap_impl();
row_map_ = static_cast<const adapter_t*>(this)->getRowMap_impl();
}
template < class Matrix >
void
MatrixAdapter<Matrix>::getCrs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> colind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> rowptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t, global_ordinal_t, node_t> > rowmap,
EStorage_Ordering ordering) const
{
help_getCrs(nzval, colind, rowptr,
nnz, rowmap, ordering,
typename adapter_t::get_crs_spec());
}
template < class Matrix >
void
MatrixAdapter<Matrix>::getCrs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> colind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> rowptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
EDistribution distribution,
EStorage_Ordering ordering) const
{
const Teuchos::RCP<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap
= Util::getDistributionMap<local_ordinal_t,global_ordinal_t,global_size_t,node_t>(distribution,
this->getGlobalNumRows(),
this->getComm());
this->getCrs(nzval, colind, rowptr, nnz, Teuchos::ptrInArg(*rowmap), ordering);
}
template < class Matrix >
void
MatrixAdapter<Matrix>::getCcs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> rowind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> colptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t, global_ordinal_t, node_t> > colmap,
EStorage_Ordering ordering) const
{
help_getCcs(nzval, rowind, colptr,
nnz, colmap, ordering,
typename adapter_t::get_ccs_spec());
}
template < class Matrix >
void
MatrixAdapter<Matrix>::getCcs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> rowind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> colptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
EDistribution distribution,
EStorage_Ordering ordering) const
{
const Teuchos::RCP<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap
= Util::getDistributionMap<local_ordinal_t,global_ordinal_t,global_size_t,node_t>(distribution,
this->getGlobalNumCols(),
this->getComm());
this->getCcs(nzval, rowind, colptr, nnz, Teuchos::ptrInArg(*colmap), ordering);
}
template < class Matrix >
typename MatrixAdapter<Matrix>::global_size_t
MatrixAdapter<Matrix>::getGlobalNumRows() const
{
return static_cast<const adapter_t*>(this)->getGlobalNumRows_impl();
}
template < class Matrix >
typename MatrixAdapter<Matrix>::global_size_t
MatrixAdapter<Matrix>::getGlobalNumCols() const
{
return static_cast<const adapter_t*>(this)->getGlobalNumCols_impl();
}
template < class Matrix >
typename MatrixAdapter<Matrix>::global_size_t
MatrixAdapter<Matrix>::getRowIndexBase() const
{
return row_map_->getIndexBase();
}
template < class Matrix >
typename MatrixAdapter<Matrix>::global_size_t
MatrixAdapter<Matrix>::getColumnIndexBase() const
{
return col_map_->getIndexBase();
}
template < class Matrix >
typename MatrixAdapter<Matrix>::global_size_t
MatrixAdapter<Matrix>::getGlobalNNZ() const
{
return static_cast<const adapter_t*>(this)->getGlobalNNZ_impl();
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getLocalNumRows() const
{
return row_map_->getNodeNumElements(); // TODO: verify
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getLocalNumCols() const
{
return col_map_->getNodeNumElements();
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getLocalNNZ() const
{
return static_cast<const adapter_t*>(this)->getLocalNNZ_impl();
}
template < class Matrix >
std::string
MatrixAdapter<Matrix>::description() const
{
std::ostringstream oss;
oss << "Amesos2::MatrixAdapter wrapping: ";
oss << mat_->description();
return oss.str();
}
template < class Matrix >
void
MatrixAdapter<Matrix>::describe(Teuchos::FancyOStream &out,
const Teuchos::EVerbosityLevel verbLevel) const
{}
/******************************
* Private method definitions *
******************************/
template < class Matrix >
void
MatrixAdapter<Matrix>::help_getCrs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> colind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> rowptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
EStorage_Ordering ordering,
has_special_impl hsi) const
{
hsi.set = false;
static_cast<const adapter_t*>(this)->getCrs_spec(nzval, colind, rowptr,
nnz, rowmap, ordering);
}
template < class Matrix >
void
MatrixAdapter<Matrix>::help_getCrs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> colind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> rowptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
EStorage_Ordering ordering,
no_special_impl nsi) const
{
//Added void to remove parameter not used warning
((void)nsi);
do_getCrs(nzval, colind, rowptr,
nnz, rowmap, ordering,
typename adapter_t::major_access());
}
template < class Matrix >
void
MatrixAdapter<Matrix>::do_getCrs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> colind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> rowptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
EStorage_Ordering ordering,
row_access ra) const
{
using Teuchos::rcp;
using Teuchos::RCP;
using Teuchos::ArrayView;
using Teuchos::OrdinalTraits;
((void) ra);
RCP<const type> get_mat;
if( *rowmap == *this->row_map_ ){
// No need to redistribute
get_mat = rcp(this,false); // non-owning
} else {
get_mat = get(rowmap);
}
// RCP<const type> get_mat = get(rowmap);
// rmap may not necessarily check same as rowmap because rmap may
// have been constructued with Tpetra's "expert" constructor,
// which assumes that the map points are non-contiguous.
//
// TODO: There may be some more checking between the row map
// compatibility, but things are working fine now.
RCP<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rmap = get_mat->getRowMap();
ArrayView<const global_ordinal_t> node_elements = rmap->getNodeElementList();
if( node_elements.size() == 0 ) return; // no more contribution
typename ArrayView<const global_ordinal_t>::iterator row_it, row_end;
row_end = node_elements.end();
size_t rowptr_ind = OrdinalTraits<size_t>::zero();
global_ordinal_t rowInd = OrdinalTraits<global_ordinal_t>::zero();
for( row_it = node_elements.begin(); row_it != row_end; ++row_it ){
rowptr[rowptr_ind++] = rowInd;
size_t rowNNZ = get_mat->getGlobalRowNNZ(*row_it);
size_t nnzRet = OrdinalTraits<size_t>::zero();
ArrayView<global_ordinal_t> colind_view = colind.view(rowInd,rowNNZ);
ArrayView<scalar_t> nzval_view = nzval.view(rowInd,rowNNZ);
get_mat->getGlobalRowCopy(*row_it, colind_view, nzval_view, nnzRet);
for (size_t rr = 0; rr < nnzRet ; rr++)
{
colind_view[rr] = colind_view[rr] - rmap->getIndexBase();
}
// It was suggested that instead of sorting each row's indices
// individually, that we instead do a double-transpose at the
// end, which would also lead to the indices being sorted.
if( ordering == SORTED_INDICES ){
Tpetra::sort2(colind_view.begin(), colind_view.end(), nzval_view.begin());
}
TEUCHOS_TEST_FOR_EXCEPTION( rowNNZ != nnzRet,
std::runtime_error,
"Number of values returned different from "
"number of values reported");
rowInd += rowNNZ;
}
rowptr[rowptr_ind] = nnz = rowInd;
}
// TODO: This may not work with distributed matrices.
template < class Matrix >
void
MatrixAdapter<Matrix>::do_getCrs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> colind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> rowptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
EStorage_Ordering ordering,
col_access ca) const
{
using Teuchos::Array;
// get the ccs and transpose
Array<scalar_t> nzval_tmp(nzval.size(), 0);
Array<global_ordinal_t> rowind(colind.size(), 0);
Array<global_size_t> colptr(this->getGlobalNumCols() + 1);
this->getCcs(nzval_tmp(), rowind(), colptr(), nnz, rowmap, ordering);
if( !nzval.is_null() && !colind.is_null() && !rowptr.is_null() )
Util::transpose(nzval_tmp(), rowind(), colptr(), nzval, colind, rowptr);
}
template < class Matrix >
void
MatrixAdapter<Matrix>::help_getCcs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> rowind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> colptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
EStorage_Ordering ordering,
has_special_impl hsi) const
{
static_cast<const adapter_t*>(this)->getCcs_spec(nzval, rowind, colptr,
nnz, colmap, ordering);
}
template < class Matrix >
void
MatrixAdapter<Matrix>::help_getCcs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> rowind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> colptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
EStorage_Ordering ordering,
no_special_impl nsi) const
{
((void)nsi);
do_getCcs(nzval, rowind, colptr,
nnz, colmap, ordering,
typename adapter_t::major_access());
}
template < class Matrix >
void
MatrixAdapter<Matrix>::do_getCcs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> rowind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> colptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
EStorage_Ordering ordering,
row_access ra) const
{
using Teuchos::Array;
// get the crs and transpose
((void) ra);
Array<scalar_t> nzval_tmp(nzval.size(), 0);
Array<global_ordinal_t> colind(rowind.size(), 0);
Array<global_size_t> rowptr(this->getGlobalNumRows() + 1);
this->getCrs(nzval_tmp(), colind(), rowptr(), nnz, colmap, ordering);
if( !nzval.is_null() && !rowind.is_null() && !colptr.is_null() )
Util::transpose(nzval_tmp(), colind(), rowptr(), nzval, rowind, colptr);
}
template < class Matrix >
void
MatrixAdapter<Matrix>::do_getCcs(const Teuchos::ArrayView<scalar_t> nzval,
const Teuchos::ArrayView<global_ordinal_t> rowind,
const Teuchos::ArrayView<typename MatrixAdapter<Matrix>::global_size_t> colptr,
typename MatrixAdapter<Matrix>::global_size_t& nnz,
const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
EStorage_Ordering ordering,
col_access ca) const
{
using Teuchos::RCP;
using Teuchos::ArrayView;
using Teuchos::OrdinalTraits;
RCP<const type> get_mat;
if( *colmap == *this->col_map_ ){
// No need to redistribute
get_mat = rcp(this,false); // non-owning
} else {
get_mat = get(colmap);
}
// If all is well and good, then colmap == cmap
RCP<const Tpetra::Map<scalar_t,local_ordinal_t,global_ordinal_t> > cmap = get_mat->getColMap();
TEUCHOS_ASSERT( *colmap == *cmap );
ArrayView<global_ordinal_t> node_elements = cmap->getNodeElementList();
if( node_elements.size() == 0 ) return; // no more contribution
typename ArrayView<global_ordinal_t>::iterator col_it, col_end;
col_end = node_elements.end();
size_t colptr_ind = OrdinalTraits<size_t>::zero();
global_ordinal_t colInd = OrdinalTraits<global_ordinal_t>::zero();
for( col_it = node_elements.begin(); col_it != col_end; ++col_it ){
colptr[colptr_ind++] = colInd;
size_t colNNZ = getGlobalColNNZ(*col_it);
size_t nnzRet = 0;
ArrayView<global_ordinal_t> rowind_view = rowind.view(colInd,colNNZ);
ArrayView<scalar_t> nzval_view = nzval.view(colInd,colNNZ);
getGlobalColCopy(*col_it, rowind_view, nzval_view, nnzRet);
// It was suggested that instead of sorting each row's indices
// individually, that we instead do a double-transpose at the
// end, which would also lead to the indices being sorted.
if( ordering == SORTED_INDICES ){
Tpetra::sort2(rowind_view.begin(), rowind_view.end(), nzval_view.begin());
}
TEUCHOS_TEST_FOR_EXCEPTION( colNNZ != nnzRet,
std::runtime_error,
"Number of values returned different from "
"number of values reported");
colInd += colNNZ;
}
colptr[colptr_ind] = nnz = colInd;
}
// These will link to concrete implementations
template < class Matrix >
void
MatrixAdapter<Matrix>::getGlobalRowCopy(global_ordinal_t row,
const Teuchos::ArrayView<global_ordinal_t>& indices,
const Teuchos::ArrayView<scalar_t>& vals,
size_t& nnz) const
{
static_cast<const adapter_t*>(this)->getGlobalRowCopy_impl(row, indices, vals, nnz);
}
template < class Matrix >
void
MatrixAdapter<Matrix>::getGlobalColCopy(global_ordinal_t col,
const Teuchos::ArrayView<global_ordinal_t>& indices,
const Teuchos::ArrayView<scalar_t>& vals,
size_t& nnz) const
{
static_cast<const adapter_t*>(this)->getGlobalColCopy_impl(col, indices, vals, nnz);
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getMaxRowNNZ() const
{
return static_cast<const adapter_t*>(this)->getMaxRowNNZ_impl();
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getMaxColNNZ() const
{
return static_cast<const adapter_t*>(this)->getMaxColNNZ_impl();
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getGlobalRowNNZ(global_ordinal_t row) const
{
return static_cast<const adapter_t*>(this)->getGlobalRowNNZ_impl(row);
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getLocalRowNNZ(local_ordinal_t row) const
{
return static_cast<const adapter_t*>(this)->getLocalRowNNZ_impl(row);
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getGlobalColNNZ(global_ordinal_t col) const
{
return static_cast<const adapter_t*>(this)->getGlobalColNNZ_impl(col);
}
template < class Matrix >
size_t
MatrixAdapter<Matrix>::getLocalColNNZ(local_ordinal_t col) const
{
return static_cast<const adapter_t*>(this)->getLocalColNNZ_impl(col);
}
template < class Matrix >
bool
MatrixAdapter<Matrix>::isLocallyIndexed() const
{
return static_cast<const adapter_t*>(this)->isLocallyIndexed_impl();
}
template < class Matrix >
bool
MatrixAdapter<Matrix>::isGloballyIndexed() const
{
return static_cast<const adapter_t*>(this)->isGloballyIndexed_impl();
}
template < class Matrix >
Teuchos::RCP<const MatrixAdapter<Matrix> >
MatrixAdapter<Matrix>::get(const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > map) const
{
return static_cast<const adapter_t*>(this)->get_impl(map);
}
template <class Matrix>
Teuchos::RCP<MatrixAdapter<Matrix> >
createMatrixAdapter(Teuchos::RCP<Matrix> m){
using Teuchos::rcp;
using Teuchos::rcp_const_cast;
if(m.is_null()) return Teuchos::null;
return( rcp(new ConcreteMatrixAdapter<Matrix>(m)) );
}
template <class Matrix>
Teuchos::RCP<const MatrixAdapter<Matrix> >
createConstMatrixAdapter(Teuchos::RCP<const Matrix> m){
using Teuchos::rcp;
using Teuchos::rcp_const_cast;
if(m.is_null()) return Teuchos::null;
return( rcp(new ConcreteMatrixAdapter<Matrix>(rcp_const_cast<Matrix,const Matrix>(m))).getConst() );
}
} // end namespace Amesos2
#endif // AMESOS2_MATRIXADAPTER_DEF_HPP
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