A class for wrapping an Operator of one Scalar type into an Operator of another Scalar type. More...

#include <Tpetra_MixedScalarMultiplyOp.hpp>

Inheritance diagram for Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >:

Public Types
using	op_type = Operator< OpScalar, LocalOrdinal, GlobalOrdinal, Node >
	The specialization of CrsMatrix which this class wraps.

using	map_type = Map< LocalOrdinal, GlobalOrdinal, Node >
	The specialization of Map which this class uses.

Typedefs that give access to the template parameters.
typedef Scalar	scalar_type
	The type of the entries of the input and output multivectors.

typedef LocalOrdinal	local_ordinal_type
	The local index type.

typedef GlobalOrdinal	global_ordinal_type
	The global index type.

typedef Node	node_type
	The Kokkos Node type.

Public Member Functions
Constructor and destructor
	MixedScalarMultiplyOp (const Teuchos::RCP< const op_type > &A)
	Constructor.

	~MixedScalarMultiplyOp () override=default
	Destructor (virtual for memory safety of derived classes).

Pure virtual functions to be overridden by subclasses.
virtual bool	hasDiagonal () const
	Whether this operator can return its diagonal.

virtual void	getLocalDiagCopy (Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &diag) const
	Get the diagonal of the operator.

Related Symbols
(Note that these are not member symbols.)
template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >
Teuchos::RCP< MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node > >	createMixedScalarMultiplyOp (const Teuchos::RCP< const Operator< OpScalar, LocalOrdinal, GlobalOrdinal, Node > > &A)
	Non-member function to create a MixedScalarMultiplyOp.

Methods implementing Operator
const Teuchos::RCP< const op_type >	op_
	The underlying CrsMatrix object.

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 override
	Compute `Y = betaY + alphaOp(A)*X`, where `Op(A)` is either A, , or .

bool	hasTransposeApply () const override
	Whether this Operator's apply() method can apply the transpose or conjugate transpose.

Teuchos::RCP< const map_type >	getDomainMap () const override
	The domain Map of this Operator.

Teuchos::RCP< const map_type >	getRangeMap () const override
	The range Map of this Operator.

Detailed Description

template<class Scalar, class OpScalar, class LocalOrdinal, class GlobalOrdinal, class Node>
class Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >

A class for wrapping an Operator of one Scalar type into an Operator of another Scalar type.

Template Parameters

Scalar	The type of the entries of the input and output MultiVector (see apply()). Same as the first template parameter of Operator.
OpScalar	The type of the entries of the wrapped Operator.
LocalOrdinal	The second template parameter of Operator.
GlobalOrdinal	The third template parameter of Operator.
Node	The fourth template parameter of Operator.

Definition at line 44 of file Tpetra_MixedScalarMultiplyOp.hpp.

Member Typedef Documentation

◆ op_type

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

using Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::op_type = Operator<OpScalar, LocalOrdinal, GlobalOrdinal, Node>

The specialization of CrsMatrix which this class wraps.

Definition at line 47 of file Tpetra_MixedScalarMultiplyOp.hpp.

◆ map_type

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

using Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::map_type = Map<LocalOrdinal, GlobalOrdinal, Node>

The specialization of Map which this class uses.

Definition at line 50 of file Tpetra_MixedScalarMultiplyOp.hpp.

◆ scalar_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >

typedef Scalar Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >::scalar_type

inherited

The type of the entries of the input and output multivectors.

Definition at line 61 of file Tpetra_Operator.hpp.

◆ local_ordinal_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >

typedef LocalOrdinal Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >::local_ordinal_type

inherited

The local index type.

Definition at line 64 of file Tpetra_Operator.hpp.

◆ global_ordinal_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >

typedef GlobalOrdinal Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >::global_ordinal_type

inherited

The global index type.

Definition at line 67 of file Tpetra_Operator.hpp.

◆ node_type

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >

typedef Node Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >::node_type

inherited

The Kokkos Node type.

Definition at line 70 of file Tpetra_Operator.hpp.

Constructor & Destructor Documentation

◆ MixedScalarMultiplyOp()

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::MixedScalarMultiplyOp ( const Teuchos::RCP< const op_type > & A )

inline

Constructor.

Parameters

A	[in] The Operator to wrap as an `Operator<Scalar, ...>`.

Definition at line 60 of file Tpetra_MixedScalarMultiplyOp.hpp.

◆ ~MixedScalarMultiplyOp()

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::~MixedScalarMultiplyOp ( )

overridedefault

Destructor (virtual for memory safety of derived classes).

Member Function Documentation

◆ apply()

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

void Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::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

inlineoverridevirtual

Compute Y = beta*Y + alpha*Op(A)*X, where Op(A) is either A, , or .

Implements Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >.

Definition at line 75 of file Tpetra_MixedScalarMultiplyOp.hpp.

◆ hasTransposeApply()

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

bool Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::hasTransposeApply ( ) const

inlineoverridevirtual

Whether this Operator's apply() method can apply the transpose or conjugate transpose.

This is always true, since it is true for the CrsMatrix that this object wraps.

Reimplemented from Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >.

Definition at line 97 of file Tpetra_MixedScalarMultiplyOp.hpp.

◆ getDomainMap()

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

Teuchos::RCP< const map_type > Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::getDomainMap ( ) const

inlineoverridevirtual

The domain Map of this Operator.

Implements Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >.

Definition at line 102 of file Tpetra_MixedScalarMultiplyOp.hpp.

◆ getRangeMap()

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

Teuchos::RCP< const map_type > Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::getRangeMap ( ) const

inlineoverridevirtual

The range Map of this Operator.

Implements Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >.

Definition at line 107 of file Tpetra_MixedScalarMultiplyOp.hpp.

◆ hasDiagonal()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >

bool Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >::hasDiagonal ( ) const

virtualinherited

Whether this operator can return its diagonal.

By default, this returns false. Subclasses must override this method if they can supply a diagonal.

Definition at line 124 of file Tpetra_Operator.hpp.

◆ getLocalDiagCopy()

template<class Scalar , class LocalOrdinal , class GlobalOrdinal , class Node >

void Tpetra::Operator< Scalar, LocalOrdinal, GlobalOrdinal, Node >::getLocalDiagCopy ( Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > & diag ) const

virtualinherited

Get the diagonal of the operator.

By default, this throws. Subclasses must override this method if they can supply a diagonal.

Reimplemented in Tpetra::CrsMatrix< ::Tpetra::Details::DefaultTypes::scalar_type, ::Tpetra::Details::DefaultTypes::local_ordinal_type, ::Tpetra::Details::DefaultTypes::global_ordinal_type, ::Tpetra::Details::DefaultTypes::node_type >, Tpetra::CrsMatrix< SC, LO, GO, NT >, Tpetra::RowMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node >, and Tpetra::CrsMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node >.

Definition at line 129 of file Tpetra_Operator.hpp.

Friends And Related Symbol Documentation

◆ createMixedScalarMultiplyOp()

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

Teuchos::RCP< MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node > > createMixedScalarMultiplyOp ( const Teuchos::RCP< const Operator< OpScalar, LocalOrdinal, GlobalOrdinal, Node > > & A )

The function has the same template parameters of MixedScalarMultiplyOp.

Parameters

A	[in] The Operator instance to wrap in an MixedScalarMultiplyOp.

Returns: The MixedScalarMultiplyOp wrapper for the given Operator.

Definition at line 141 of file Tpetra_MixedScalarMultiplyOp.hpp.

Member Data Documentation

◆ op_

template<class Scalar , class OpScalar , class LocalOrdinal , class GlobalOrdinal , class Node >

const Teuchos::RCP<const op_type> Tpetra::MixedScalarMultiplyOp< Scalar, OpScalar, LocalOrdinal, GlobalOrdinal, Node >::op_

protected

The underlying CrsMatrix object.

Definition at line 117 of file Tpetra_MixedScalarMultiplyOp.hpp.

The documentation for this class was generated from the following file:

Tpetra_MixedScalarMultiplyOp.hpp

Public Types

Public Member Functions

Related Symbols

Methods implementing Operator

Detailed Description

Member Typedef Documentation

◆ op_type

◆ map_type

◆ scalar_type

◆ local_ordinal_type

◆ global_ordinal_type

◆ node_type

Constructor & Destructor Documentation

◆ MixedScalarMultiplyOp()

◆ ~MixedScalarMultiplyOp()

Member Function Documentation

◆ apply()

◆ hasTransposeApply()

◆ getDomainMap()

◆ getRangeMap()

◆ hasDiagonal()

◆ getLocalDiagCopy()

Friends And Related Symbol Documentation

◆ createMixedScalarMultiplyOp()

Member Data Documentation

◆ op_