Represents a zero linear operator M = 0. More...

#include <Thyra_DefaultZeroLinearOp_decl.hpp>

Inheritance diagram for Thyra::DefaultZeroLinearOp< Scalar >:

Private Member Functions
	DefaultZeroLinearOp (const DefaultZeroLinearOp &)
DefaultZeroLinearOp &	operator= (const DefaultZeroLinearOp &)
Private Attributes
RCP< const VectorSpaceBase < Scalar > >	range_
RCP< const VectorSpaceBase < Scalar > >	domain_
Related Functions
(Note that these are not member functions.)
template<class Scalar >
RCP< const LinearOpBase< Scalar > >	zero (const RCP< const VectorSpaceBase< Scalar > > &range, const RCP< const VectorSpaceBase< Scalar > > &domain)
	Create a zero linear operator with given range and domain spaces.
Constructors/initializers/accessors
	DefaultZeroLinearOp ()
	Construct to uninitialized.
	DefaultZeroLinearOp (const RCP< const VectorSpaceBase< Scalar > > &range, const RCP< const VectorSpaceBase< Scalar > > &domain)
void	initialize (const RCP< const VectorSpaceBase< Scalar > > &range, const RCP< const VectorSpaceBase< Scalar > > &domain)
	Initialize given a list of non-const linear operators.
void	uninitialize ()
	Set to uninitialized.
Overridden from LinearOpBase
RCP< const VectorSpaceBase < Scalar > >	range () const
	Returns `Teuchos::null` if uninitialized.
RCP< const VectorSpaceBase < Scalar > >	domain () const
	Returns `Teuchos::null` if uninitialized.
RCP< const LinearOpBase< Scalar > >	clone () const

bool	opSupportedImpl (EOpTransp M_trans) const
	Returns `true` .
void	applyImpl (const EOpTransp M_trans, const MultiVectorBase< Scalar > &X, const Ptr< MultiVectorBase< Scalar > > &Y, const Scalar alpha, const Scalar beta) const

Overridden from Teuchos::Describable
std::string	description () const
	Prints just the name `DefaultZeroLinearOp` along with the overall dimensions.

Detailed Description

template<class Scalar>
class Thyra::DefaultZeroLinearOp< Scalar >

Represents a zero linear operator M = 0.

This class implements:


 y = alpha*op(M)*x + beta*y

 =>

 y = beta*y

Definition at line 56 of file Thyra_DefaultZeroLinearOp_decl.hpp.

Constructor & Destructor Documentation

template<class Scalar >

Thyra::DefaultZeroLinearOp< Scalar >::DefaultZeroLinearOp ( )

Construct to uninitialized.

Postconditions:

this->range().get()==NULL

Definition at line 44 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

Thyra::DefaultZeroLinearOp< Scalar >::DefaultZeroLinearOp	(	const RCP< const VectorSpaceBase< Scalar > > &	range,
		const RCP< const VectorSpaceBase< Scalar > > &	domain
	)

Calls initialize().

Definition at line 49 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

Thyra::DefaultZeroLinearOp< Scalar >::DefaultZeroLinearOp ( const DefaultZeroLinearOp< Scalar > & ) [private]

Member Function Documentation

template<class Scalar >

void Thyra::DefaultZeroLinearOp< Scalar >::initialize	(	const RCP< const VectorSpaceBase< Scalar > > &	range,
		const RCP< const VectorSpaceBase< Scalar > > &	domain
	)

Initialize given a list of non-const linear operators.

Parameters:

range	[in] Range vector space.
range	[in] Domain vector space.

Preconditions:

range.get()!=NULL
domain.get()!=NULL

Postconditions:

this->range().get()==range.get()
this->domain().get()==domain.get()

Definition at line 59 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

void Thyra::DefaultZeroLinearOp< Scalar >::uninitialize ( )

Set to uninitialized.

Postconditions:

this->range().get()==NULL

Definition at line 70 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

RCP< const VectorSpaceBase< Scalar > > Thyra::DefaultZeroLinearOp< Scalar >::range ( ) const [virtual]

Returns Teuchos::null if uninitialized.

Implements Thyra::LinearOpBase< Scalar >.

Definition at line 82 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

RCP< const VectorSpaceBase< Scalar > > Thyra::DefaultZeroLinearOp< Scalar >::domain ( ) const [virtual]

Returns Teuchos::null if uninitialized.

Implements Thyra::LinearOpBase< Scalar >.

Definition at line 90 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

RCP< const LinearOpBase< Scalar > > Thyra::DefaultZeroLinearOp< Scalar >::clone ( ) const [virtual]

Reimplemented from Thyra::LinearOpBase< Scalar >.

Definition at line 98 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

std::string Thyra::DefaultZeroLinearOp< Scalar >::description ( ) const

Prints just the name DefaultZeroLinearOp along with the overall dimensions.

Definition at line 111 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

bool Thyra::DefaultZeroLinearOp< Scalar >::opSupportedImpl ( EOpTransp M_trans ) const [protected, virtual]

Returns true .

Implements Thyra::LinearOpBase< Scalar >.

Definition at line 131 of file Thyra_DefaultZeroLinearOp_def.hpp.

template<class Scalar >

void Thyra::DefaultZeroLinearOp< Scalar >::applyImpl	(	const EOpTransp	M_trans,
		const MultiVectorBase< Scalar > &	X,
		const Ptr< MultiVectorBase< Scalar > > &	Y,
		const Scalar	alpha,
		const Scalar	beta
	)		const `[protected, virtual]`

Implements Thyra::LinearOpBase< Scalar >.

Definition at line 138 of file Thyra_DefaultZeroLinearOp_def.hpp.

References Thyra::scale(), and THYRA_ASSERT_LINEAR_OP_MULTIVEC_APPLY_SPACES.

template<class Scalar >

DefaultZeroLinearOp& Thyra::DefaultZeroLinearOp< Scalar >::operator= ( const DefaultZeroLinearOp< Scalar > & ) [private]

Friends And Related Function Documentation

template<class Scalar >

RCP< const LinearOpBase< Scalar > > zero	(	const RCP< const VectorSpaceBase< Scalar > > &	range,
		const RCP< const VectorSpaceBase< Scalar > > &	domain
	)		`[related]`