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//
// ***********************************************************************
//
// Xpetra: A linear algebra interface package
// Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// @HEADER
#ifndef XPETRA_CRSMATRIX_HPP
#define XPETRA_CRSMATRIX_HPP
/* this file is automatically generated - do not edit (see script/interfaces.py) */
#include <Kokkos_DefaultNode.hpp>
#include "Xpetra_ConfigDefs.hpp"
#include "Xpetra_RowMatrix.hpp"
#include "Xpetra_DistObject.hpp"
#include "Xpetra_CrsGraph.hpp"
#include "Xpetra_Vector.hpp"
#ifdef HAVE_XPETRA_KOKKOS_REFACTOR
#ifdef HAVE_XPETRA_TPETRA
#include <Kokkos_StaticCrsGraph.hpp>
#include <Kokkos_CrsMatrix.hpp>
#endif
#endif
namespace Xpetra {
template <class Scalar = double,
class LocalOrdinal = CrsGraph<>::local_ordinal_type,
class GlobalOrdinal =
typename CrsGraph<LocalOrdinal>::global_ordinal_type,
class Node =
typename CrsGraph<LocalOrdinal, GlobalOrdinal>::node_type>
class CrsMatrix
: public RowMatrix<Scalar,LocalOrdinal,GlobalOrdinal,Node>,
public DistObject<char, LocalOrdinal,GlobalOrdinal,Node>
{
public:
typedef Scalar scalar_type;
typedef LocalOrdinal local_ordinal_type;
typedef GlobalOrdinal global_ordinal_type;
typedef Node node_type;
//! @name Constructor/Destructor Methods
//@{
//! Destructor.
virtual ~CrsMatrix() { }
//@}
//! @name Insertion/Removal Methods
//@{
//! Insert matrix entries, using global IDs.
virtual void
insertGlobalValues (GlobalOrdinal globalRow,
const ArrayView<const GlobalOrdinal>& cols,
const ArrayView<const Scalar>& vals) = 0;
//! Insert matrix entries, using local IDs.
virtual void insertLocalValues(LocalOrdinal localRow, const ArrayView< const LocalOrdinal > &cols, const ArrayView< const Scalar > &vals)= 0;
//! Replace matrix entries, using global IDs.
virtual void replaceGlobalValues(GlobalOrdinal globalRow, const ArrayView< const GlobalOrdinal > &cols, const ArrayView< const Scalar > &vals)= 0;
//! Replace matrix entries, using local IDs.
virtual void replaceLocalValues(LocalOrdinal localRow, const ArrayView< const LocalOrdinal > &cols, const ArrayView< const Scalar > &vals)= 0;
//! Set all matrix entries equal to scalarThis.
virtual void setAllToScalar(const Scalar &alpha)= 0;
//! Scale the current values of a matrix, this = alpha*this.
virtual void scale(const Scalar &alpha)= 0;
//! Allocates and returns ArrayRCPs of the Crs arrays --- This is an Xpetra-only routine.
//** \warning This is an expert-only routine and should not be called from user code. */
virtual void allocateAllValues(size_t numNonZeros,ArrayRCP<size_t> & rowptr, ArrayRCP<LocalOrdinal> & colind, ArrayRCP<Scalar> & values)=0;
//! Sets the 1D pointer arrays of the graph.
virtual void setAllValues(const ArrayRCP<size_t> & rowptr, const ArrayRCP<LocalOrdinal> & colind, const ArrayRCP<Scalar> & values)=0;
//! Gets the 1D pointer arrays of the graph.
virtual void getAllValues(ArrayRCP<const size_t>& rowptr, ArrayRCP<const LocalOrdinal>& colind, ArrayRCP<const Scalar>& values) const = 0;
//@}
//! @name Transformational Methods
//@{
//!
virtual void resumeFill(const RCP< ParameterList > ¶ms=null)= 0;
//! Signal that data entry is complete, specifying domain and range maps.
virtual void fillComplete(const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &domainMap, const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &rangeMap, const RCP< ParameterList > ¶ms=null)= 0;
//! Signal that data entry is complete.
virtual void fillComplete(const RCP< ParameterList > ¶ms=null)= 0;
//! Replaces the current domainMap and importer with the user-specified objects.
virtual void replaceDomainMapAndImporter(const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > >& newDomainMap, Teuchos::RCP<const Import<LocalOrdinal,GlobalOrdinal,Node> > & newImporter)=0;
//! Expert static fill complete
virtual void expertStaticFillComplete(const RCP<const Map<LocalOrdinal,GlobalOrdinal,Node> > & domainMap,
const RCP<const Map<LocalOrdinal,GlobalOrdinal,Node> > & rangeMap,
const RCP<const Import<LocalOrdinal,GlobalOrdinal,Node> > &importer=Teuchos::null,
const RCP<const Export<LocalOrdinal,GlobalOrdinal,Node> > &exporter=Teuchos::null,
const RCP<ParameterList> ¶ms=Teuchos::null) = 0;
//@}
//! @name Methods implementing RowMatrix
//@{
//! Returns the Map that describes the row distribution in this matrix.
virtual const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getRowMap() const = 0;
//! Returns the Map that describes the column distribution in this matrix.
virtual const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getColMap() const = 0;
//! Returns the CrsGraph associated with this matrix.
virtual RCP< const CrsGraph< LocalOrdinal, GlobalOrdinal, Node > > getCrsGraph() const = 0;
//! Number of global elements in the row map of this matrix.
virtual global_size_t getGlobalNumRows() const = 0;
//! Number of global columns in the matrix.
virtual global_size_t getGlobalNumCols() const = 0;
//! Returns the number of matrix rows owned on the calling node.
virtual size_t getNodeNumRows() const = 0;
//! Returns the global number of entries in this matrix.
virtual global_size_t getGlobalNumEntries() const = 0;
//! Returns the local number of entries in this matrix.
virtual size_t getNodeNumEntries() const = 0;
//! Returns the current number of entries on this node in the specified local row.
virtual size_t getNumEntriesInLocalRow(LocalOrdinal localRow) const = 0;
//! Returns the number of global diagonal entries, based on global row/column index comparisons.
virtual global_size_t getGlobalNumDiags() const = 0;
//! Returns the number of local diagonal entries, based on global row/column index comparisons.
virtual size_t getNodeNumDiags() const = 0;
//! Returns the maximum number of entries across all rows/columns on all nodes.
virtual size_t getGlobalMaxNumRowEntries() const = 0;
//! Returns the maximum number of entries across all rows/columns on this node.
virtual size_t getNodeMaxNumRowEntries() const = 0;
//! If matrix indices are in the local range, this function returns true. Otherwise, this function returns false.
virtual bool isLocallyIndexed() const = 0;
//! If matrix indices are in the global range, this function returns true. Otherwise, this function returns false.
virtual bool isGloballyIndexed() const = 0;
//! Returns true if the matrix is in compute mode, i.e. if fillComplete() has been called.
virtual bool isFillComplete() const = 0;
//! Returns true if the matrix is in edit mode.
virtual bool isFillActive() const = 0;
//! Returns the Frobenius norm of the matrix.
virtual typename ScalarTraits< Scalar >::magnitudeType getFrobeniusNorm() const = 0;
//! Returns true if getLocalRowView() and getGlobalRowView() are valid for this class.
virtual bool supportsRowViews() const = 0;
//! Extract a const, non-persisting view of global indices in a specified row of the matrix.
virtual void getGlobalRowView(GlobalOrdinal GlobalRow, ArrayView< const GlobalOrdinal > &indices, ArrayView< const Scalar > &values) const = 0;
//! Extract a list of entries in a specified global row of this matrix. Put into pre-allocated storage.
virtual void getGlobalRowCopy(GlobalOrdinal GlobalRow, const ArrayView<GlobalOrdinal> &indices, const ArrayView<Scalar> &values, size_t &numEntries) const = 0;
//! Extract a const, non-persisting view of local indices in a specified row of the matrix.
virtual void getLocalRowView(LocalOrdinal LocalRow, ArrayView< const LocalOrdinal > &indices, ArrayView< const Scalar > &values) const = 0;
//! Get a copy of the diagonal entries owned by this node, with local row indices.
virtual void getLocalDiagCopy(Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &diag) const = 0;
//! Get offsets of the diagonal entries in the matrix.
virtual void getLocalDiagOffsets(Teuchos::ArrayRCP<size_t> &offsets) const = 0;
//! Get a copy of the diagonal entries owned by this node, with local row indices, using row offsets.
virtual void getLocalDiagCopy(Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &diag, const Teuchos::ArrayView<const size_t> &offsets) const = 0;
//! Left scale matrix using the given vector entries
virtual void leftScale (const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>& x) = 0;
//! Right scale matrix using the given vector entries
virtual void rightScale (const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>& x) = 0;
virtual void removeEmptyProcessesInPlace(const RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> >& newMap) = 0;
//@}
//! @name Methods implementing Operator
//@{
//! Computes the sparse matrix-multivector multiplication.
virtual void apply(const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &X, MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &Y, Teuchos::ETransp mode=Teuchos::NO_TRANS, Scalar alpha=ScalarTraits< Scalar >::one(), Scalar beta=ScalarTraits< Scalar >::zero()) const = 0;
//! Returns the Map associated with the domain of this operator. This will be null until fillComplete() is called.
virtual const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getDomainMap() const = 0;
//!
virtual const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getRangeMap() const = 0;
//@}
//! @name Overridden from Teuchos::Describable
//@{
//! A simple one-line description of this object.
virtual std::string description() const = 0;
//! Print the object with some verbosity level to an FancyOStream object.
virtual void describe(Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const = 0;
//@}
//! @name Xpetra-specific routines
//@{
#ifdef HAVE_XPETRA_KOKKOS_REFACTOR
#ifdef HAVE_XPETRA_TPETRA
typedef typename Kokkos::Details::ArithTraits<Scalar>::val_type impl_scalar_type;
typedef typename node_type::execution_space execution_space;
// that is the local_graph_type in Tpetra::CrsGraph...
typedef Kokkos::StaticCrsGraph<LocalOrdinal,
Kokkos::LayoutLeft,
execution_space> local_graph_type;
/// \brief The specialization of Kokkos::CrsMatrix that represents
/// the part of the sparse matrix on each MPI process.
/// The same as for Tpetra
typedef Kokkos::CrsMatrix<impl_scalar_type, LocalOrdinal, execution_space,void,
typename local_graph_type::size_type> local_matrix_type;
/// \brief Access the underlying local Kokkos::CrsMatrix object
virtual local_matrix_type getLocalMatrix () const = 0;
#else
#ifdef __GNUC__
#warning "Xpetra Kokkos interface for CrsMatrix is enabled (HAVE_XPETRA_KOKKOS_REFACTOR) but Tpetra is disabled. The Kokkos interface needs Tpetra to be enabled, too."
#endif
#endif
#endif
//@}
// Adding these functions by hand, as they're in the skip list.
//! Returns the number of matrix columns owned on the calling node.
virtual size_t getNodeNumCols() const = 0;
//! Extract a list of entries in a specified local row of the matrix. Put into storage allocated by calling routine.
virtual void getLocalRowCopy(LocalOrdinal LocalRow, const ArrayView< LocalOrdinal > &Indices, const ArrayView< Scalar > &Values, size_t &NumEntries) const = 0;
//! Does this have an underlying matrix
virtual bool hasMatrix() const = 0;
}; // CrsMatrix class
} // Xpetra namespace
#define XPETRA_CRSMATRIX_SHORT
#endif // XPETRA_CRSMATRIX_HPP
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