10#ifndef XPETRA_TPETRAROWMATRIX_HPP
11#define XPETRA_TPETRAROWMATRIX_HPP
17#include <Teuchos_Describable.hpp>
19#include "Xpetra_Map.hpp"
22#include "Xpetra_TpetraMap.hpp"
24#include "Tpetra_RowMatrix.hpp"
31template <
class Scalar,
34 class Node = Tpetra::KokkosClassic::DefaultNode::DefaultNodeType>
36 :
virtual public RowMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> {
64 return mtx_->getGlobalNumRows();
70 return mtx_->getGlobalNumCols();
76 return mtx_->getLocalNumRows();
82 return mtx_->getLocalNumCols();
88 return mtx_->getGlobalNumEntries();
94 return mtx_->getNodeNumEntries();
100 return mtx_->getNumEntriesInLocalRow(localRow);
106 return mtx_->getGlobalMaxNumRowEntries();
112 return mtx_->getLocalMaxNumRowEntries();
118 return mtx_->isLocallyIndexed();
124 return mtx_->isGloballyIndexed();
130 return mtx_->isFillComplete();
136 return mtx_->supportsRowViews();
147 typename Tpetra::RowGraph<LocalOrdinal, GlobalOrdinal, Node>::nonconst_local_inds_host_view_type indices(
"indices", Indices.
size());
148 typename Tpetra::RowMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>::nonconst_values_host_view_type values(
"values", Values.
size());
150 mtx_->getLocalRowCopy(LocalRow, indices, values, NumEntries);
151 for (
size_t i = 0; i < NumEntries; ++i) {
152 Indices[i] = indices(i);
153 Values[i] = values(i);
160 typename Tpetra::RowGraph<LocalOrdinal, GlobalOrdinal, Node>::global_inds_host_view_type k_indices;
161 typename Tpetra::RowMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>::values_host_view_type k_values;
163 mtx_->getGlobalRowView(GlobalRow, k_indices, k_values);
171 typename Tpetra::RowGraph<LocalOrdinal, GlobalOrdinal, Node>::local_inds_host_view_type k_indices;
172 typename Tpetra::RowMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>::values_host_view_type k_values;
174 mtx_->getLocalRowView(LocalRow, k_indices, k_values);
191 return mtx_->getFrobeniusNorm();
212 void apply(
const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &X,
MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &Y,
Teuchos::ETransp mode =
Teuchos::NO_TRANS, Scalar alpha =
Teuchos::ScalarTraits<Scalar>::one(), Scalar beta =
Teuchos::ScalarTraits<Scalar>::zero())
const {
TEUCHOS_TEST_FOR_EXCEPTION(1,
Xpetra::Exceptions::NotImplemented,
"TODO"); }
244#define XPETRA_TPETRAROWMATRIX_SHORT
#define XPETRA_MONITOR(funcName)
Exception throws when you call an unimplemented method of Xpetra.
void getLocalRowCopy(LocalOrdinal LocalRow, const Teuchos::ArrayView< LocalOrdinal > &Indices, const Teuchos::ArrayView< Scalar > &Values, size_t &NumEntries) const
Extract a list of entries in a specified local row of the graph. Put into storage allocated by callin...
bool isLocallyIndexed() const
If matrix indices are in the local range, this function returns true. Otherwise, this function return...
Tpetra::global_size_t getGlobalNumEntries() const
Returns the global number of entries in this matrix.
size_t getGlobalMaxNumRowEntries() const
Returns the maximum number of entries across all rows/columns on all nodes.
const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getDomainMap() const
Returns the Map associated with the domain of this operator, which must be compatible with X....
size_t getNumEntriesInLocalRow(LocalOrdinal localRow) const
Returns the current number of entries on this node in the specified local row.
const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getRowMap() const
Returns the Map that describes the row distribution in this matrix.
size_t getLocalNumRows() const
Returns the number of rows owned on the calling node.
const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getColMap() const
Returns the Map that describes the column distribution in this matrix.
RCP< const Tpetra::RowMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > > getTpetra_RowMatrix() const
Get the underlying Tpetra matrix.
void setTpetra_RowMatrix(const Teuchos::RCP< Tpetra::RowMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > > &mtx)
Set the underlying Tpetra matrix.
size_t getLocalNumCols() const
Returns the number of columns needed to apply the forward operator on this node, i....
bool isFillComplete() const
Returns true if fillComplete() has been called.
void getGlobalRowView(GlobalOrdinal GlobalRow, ArrayView< const GlobalOrdinal > &indices, ArrayView< const Scalar > &values) const
Extract a const, non-persisting view of global indices in a specified row of the matrix.
TpetraRowMatrix()=default
void apply(const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &X, MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &Y, Teuchos::ETransp mode=Teuchos::NO_TRANS, Scalar alpha=Teuchos::ScalarTraits< Scalar >::one(), Scalar beta=Teuchos::ScalarTraits< Scalar >::zero()) const
Computes the operator-multivector application.
size_t getLocalMaxNumRowEntries() const
Returns the maximum number of entries across all rows/columns on this node.
Tpetra::global_size_t getGlobalNumCols() const
Returns the number of global columns in this matrix.
virtual ~TpetraRowMatrix()=default
Destructor.
void getLocalDiagCopy(Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &diag) const
Get a copy of the diagonal entries owned by this node, with local row indices.
bool isGloballyIndexed() const
If matrix indices are in the global range, this function returns true. Otherwise, this function retur...
ScalarTraits< Scalar >::magnitudeType getFrobeniusNorm() const
Returns the Frobenius norm of the matrix.
const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getRangeMap() const
Returns the Map associated with the range of this operator, which must be compatible with Y....
void getLocalRowView(LocalOrdinal LocalRow, ArrayView< const LocalOrdinal > &indices, ArrayView< const Scalar > &values) const
Extract a const, non-persisting view of local indices in a specified row of the matrix.
RCP< Tpetra::RowMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > > getTpetra_RowMatrixNonConst() const
Get the underlying Tpetra matrix.
size_t getNodeNumEntries() const
Returns the local number of entries in this matrix.
Tpetra::global_size_t getGlobalNumRows() const
Returns the number of global rows in this matrix.
TpetraRowMatrix(const Teuchos::RCP< Tpetra::RowMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > > &mtx)
TpetraCrsMatrix constructor to wrap a Tpetra::CrsMatrix object.
RCP< Tpetra::RowMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > > mtx_
bool supportsRowViews() const
Returns true if getLocalRowView() and getGlobalRowView() are valid for this class.
#define TEUCHOS_TEST_FOR_EXCEPTION(throw_exception_test, Exception, msg)
RCP< const CrsGraph< int, GlobalOrdinal, Node > > toXpetra(const Epetra_CrsGraph &g)