Teko::BlockDiagonalInverseOp Class Reference

This linear operator computes the inverse of a diagonal matrix. More...

#include <Teko_BlockDiagonalInverseOp.hpp>

Inheritance diagram for Teko::BlockDiagonalInverseOp:

Public Member Functions
	BlockDiagonalInverseOp (BlockedLinearOp &A, const std::vector< LinearOp > &invDiag)
	This constructor explicitly takes a diagonal matrix and inverse diagonal operators and builds a back substitution operator.

Inherited methods from Thyra::LinearOpBase
std::vector< LinearOp >	invDiag_
	(Approximate) Inverses of the diagonal operators
Teuchos::RCP< const Thyra::ProductVectorSpaceBase< double > >	productRange_
	Range vector space.
Teuchos::RCP< const Thyra::ProductVectorSpaceBase< double > >	productDomain_
	Domain vector space.
virtual VectorSpace	range () const
	Range space of this operator.
virtual VectorSpace	domain () const
	Domain space of this operator.
virtual void	implicitApply (const BlockedMultiVector &x, BlockedMultiVector &y, const double alpha=1.0, const double beta=0.0) const
	Perform a matrix vector multiply with this operator.
virtual void	implicitApply (const Thyra::EOpTransp M_trans, const BlockedMultiVector &x, BlockedMultiVector &y, const double alpha=1.0, const double beta=0.0) const
	Perform a matrix vector multiply with this implicitly defined blocked operator.

Additional Inherited Members
Protected Member Functions inherited from Teko::BlockImplicitLinearOp
virtual bool	opSupportedImpl (const Thyra::EOpTransp M_trans) const
	Functions required by Thyra::LinearOpBase.

Detailed Description

This linear operator computes the inverse of a diagonal matrix.

This linear operator computes the inverse of a diagonal matrix. This requires the inverse of the operators on the diagonal.

Definition at line 25 of file Teko_BlockDiagonalInverseOp.hpp.

Constructor & Destructor Documentation

BlockDiagonalInverseOp()

Teko::BlockDiagonalInverseOp::BlockDiagonalInverseOp	(	BlockedLinearOp &	A,
		const std::vector< LinearOp > &	invDiag )

This constructor explicitly takes a diagonal matrix and inverse diagonal operators and builds a back substitution operator.

This constructor explicitly takes the inverse diagonal operators and builds a back substitution operator.

Parameters

[in]	A	Matrix object
[in]	invDiag	Vector containing the inverse of the diagonal blocks

Definition at line 18 of file Teko_BlockDiagonalInverseOp.cpp.

Member Function Documentation

range()

virtual VectorSpace Teko::BlockDiagonalInverseOp::range ( ) const

inlinevirtual

Range space of this operator.

Implements Teko::BlockImplicitLinearOp.

Definition at line 45 of file Teko_BlockDiagonalInverseOp.hpp.

domain()

virtual VectorSpace Teko::BlockDiagonalInverseOp::domain ( ) const

inlinevirtual

Domain space of this operator.

Implements Teko::BlockImplicitLinearOp.

Definition at line 48 of file Teko_BlockDiagonalInverseOp.hpp.

implicitApply() [1/2]

void Teko::BlockDiagonalInverseOp::implicitApply ( const BlockedMultiVector & x, BlockedMultiVector & y, const double alpha = 1.0, const double beta = 0.0 ) const

virtual

Perform a matrix vector multiply with this operator.

The apply function takes one vector as input and applies . The result is returned in . If this operator is represented as then .

Parameters

[in]	x
[in,out]	y
[in]	alpha	(default=1)
[in]	beta	(default=0)

Implements Teko::BlockImplicitLinearOp.

Definition at line 35 of file Teko_BlockDiagonalInverseOp.cpp.

implicitApply() [2/2]

void Teko::BlockDiagonalInverseOp::implicitApply ( const Thyra::EOpTransp M_trans, const BlockedMultiVector & x, BlockedMultiVector & y, const double alpha = 1.0, const double beta = 0.0 ) const

virtual

Perform a matrix vector multiply with this implicitly defined blocked operator.

The apply function takes one vector as input and applies a linear operator. The result is returned in . If this operator is represented as then

Parameters

[in]	x
[in,out]	y
[in]	alpha	(default=1)
[in]	beta	(default=0)

Reimplemented from Teko::BlockImplicitLinearOp.

Definition at line 41 of file Teko_BlockDiagonalInverseOp.cpp.

Member Data Documentation

invDiag_

std::vector<LinearOp> Teko::BlockDiagonalInverseOp::invDiag_

protected

(Approximate) Inverses of the diagonal operators

Definition at line 88 of file Teko_BlockDiagonalInverseOp.hpp.

productRange_

Teuchos::RCP<const Thyra::ProductVectorSpaceBase<double> > Teko::BlockDiagonalInverseOp::productRange_

protected

Range vector space.

Definition at line 91 of file Teko_BlockDiagonalInverseOp.hpp.

productDomain_

Teuchos::RCP<const Thyra::ProductVectorSpaceBase<double> > Teko::BlockDiagonalInverseOp::productDomain_

protected

Domain vector space.

Definition at line 93 of file Teko_BlockDiagonalInverseOp.hpp.

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

• Teko_BlockDiagonalInverseOp.hpp
• Teko_BlockDiagonalInverseOp.cpp