LOCA::Eigensolver::DGGEVStrategy Class Reference

LAPACK DGGEV eigensolver strategy. More...

#include <LOCA_Eigensolver_DGGEVStrategy.H>

Inheritance diagram for LOCA::Eigensolver::DGGEVStrategy:

Collaboration diagram for LOCA::Eigensolver::DGGEVStrategy:

Public Member Functions
	DGGEVStrategy (const Teuchos::RCP< LOCA::GlobalData > &global_data, const Teuchos::RCP< LOCA::Parameter::SublistParser > &topParams, const Teuchos::RCP< Teuchos::ParameterList > &eigenParams)
	Constructor.
virtual	~DGGEVStrategy ()
	Destructor.
virtual NOX::Abstract::Group::ReturnType	computeEigenvalues (NOX::Abstract::Group &group, Teuchos::RCP< std::vector< double > > &evals_r, Teuchos::RCP< std::vector< double > > &evals_i, Teuchos::RCP< NOX::Abstract::MultiVector > &evecs_r, Teuchos::RCP< NOX::Abstract::MultiVector > &evecs_i)
	Compute eigenvalues/eigenvectors.
Public Member Functions inherited from LOCA::Eigensolver::AbstractStrategy
	AbstractStrategy ()
	Constructor.
virtual	~AbstractStrategy ()
	Destructor.

Protected Attributes
Teuchos::RCP< LOCA::GlobalData >	globalData
	Global data.
Teuchos::RCP< LOCA::Parameter::SublistParser >	topParams
	Parsed top-level parameter list.
Teuchos::RCP< Teuchos::ParameterList >	eigenParams
	Eigensolver parameter list.
int	nev
	The number of requested eigenvalues.
std::string	which
	Which eigenvalues are of interest.

Detailed Description

LAPACK DGGEV eigensolver strategy.

This class implements an eigensolver strategy using LAPACK routines DGGEV and DGEEV

Member Function Documentation

computeEigenvalues()

NOX::Abstract::Group::ReturnType LOCA::Eigensolver::DGGEVStrategy::computeEigenvalues ( NOX::Abstract::Group & group, Teuchos::RCP< std::vector< double > > & evals_r, Teuchos::RCP< std::vector< double > > & evals_i, Teuchos::RCP< NOX::Abstract::MultiVector > & evecs_r, Teuchos::RCP< NOX::Abstract::MultiVector > & evecs_i )

virtual

Compute eigenvalues/eigenvectors.

Implements LOCA::Eigensolver::AbstractStrategy.

References LOCA::LAPACK::Group::computeJacobian(), LOCA::LAPACK::Group::computeShiftedMatrix(), NOX::Abstract::Vector::createMultiVector(), eigenParams, NOX::Abstract::Group::Failed, LOCA::LAPACK::Group::getJacobianMatrix(), LOCA::LAPACK::Group::getShiftedMatrix(), NOX::Abstract::Group::getX(), globalData, nev, NOX::LAPACK::Matrix< T >::numRows(), NOX::Abstract::Group::Ok, NOX::ShapeCopy, NOX::Utils::StepperIteration, and topParams.

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

• LOCA_Eigensolver_DGGEVStrategy.H
• LOCA_Eigensolver_DGGEVStrategy.C