eigensolver::JdbSymFabric Class Referenceabstract

Fabric class for JdbSym eigenvalue solver for a constrained problem. More...

#include <jdbsymFabric.hh>

Inheritance diagram for eigensolver::JdbSymFabric:

Public Member Functions
	JdbSymFabric (Real tol, uint maxit=150, Real tau=0.0, uint jdtype=1, uint kmax=1, concepts::SolverFabric< Real > *fabric=0, const concepts::Array< concepts::Vector< Real > * > *start=0)
	Constructor. More...
virtual EigenSolver< F > &	operator() (concepts::Operator< F > &stiff, concepts::Operator< Real > &mass)=0
	Creates an eigenvalue solver which solves the abstract eigenvalue problem defined by stiff and mass. More...
virtual JdbSym &	operator() (concepts::Operator< Real > &stiff, concepts::Operator< Real > &mass)
virtual	~JdbSymFabric ()

Protected Member Functions
virtual std::ostream &	info (std::ostream &os) const
	Returns information in an output stream. More...

Private Attributes
concepts::SolverFabric< Real > *	fabric_
uint	jdtype_
uint	kmax_
uint	maxit_
std::unique_ptr< JdbSym >	solver_
	Real eigenvalue solver. More...
const concepts::Array< concepts::Vector< Real > * > *	start_
Real	tau_
Real	tol_

Detailed Description

Fabric class for JdbSym eigenvalue solver for a constrained problem.

Author

Philipp Frauenfelder, 2002

Test:

test::GolubExample

test::GolubExampleSum

test::MaxwellTransmissionEVP

Definition at line 23 of file jdbsymFabric.hh.

Constructor & Destructor Documentation

JdbSymFabric()

eigensolver::JdbSymFabric::JdbSymFabric ( Real  tol, uint  maxit = 150, Real  tau = 0.0, uint  jdtype = 1, uint  kmax = 1, concepts::SolverFabric< Real > *  fabric = 0, const concepts::Array< concepts::Vector< Real > * > *  start = 0  )

inline

Constructor.

Parameters

fabric	Solver fabric for a linear solver (preconditioner for the shifted stiffness matrix)
tol	Convergence tolerance for the eigenpairs. For a pair convergence is defined by
tau	Target value of Jacobi-Davidson algorithm. The code will find the kmax eigenvalues closest to tau.
jdtype	Type of solver required. An older solver and a newer solver are possible to use.
kmax	Number of eigenpairs to be computed
start	Starting vectors. Used to build the initial search subspace

Definition at line 39 of file jdbsymFabric.hh.

~JdbSymFabric()

virtual eigensolver::JdbSymFabric::~JdbSymFabric ( )

virtual

Member Function Documentation

info()

virtual std::ostream& eigensolver::JdbSymFabric::info ( std::ostream &  os ) const

protectedvirtual

Returns information in an output stream.

Reimplemented from concepts::OutputOperator.

operator()() [1/2]

template<typename F >

virtual EigenSolver<F>& eigensolver::SolverFabric< F >::operator() ( concepts::Operator< F > &  stiff, concepts::Operator< Real > &  mass  )

pure virtualinherited

Creates an eigenvalue solver which solves the abstract eigenvalue problem defined by stiff and mass.

This fabric should only by used once as subsequent uses would invalidate older solvers.

Returns

Pointer to eigenvalue solver

Implemented in eigensolver::ArPackFabric.

operator()() [2/2]

virtual JdbSym& eigensolver::JdbSymFabric::operator() ( concepts::Operator< Real > &  stiff, concepts::Operator< Real > &  mass  )

virtual

Member Data Documentation

fabric_

concepts::SolverFabric<Real>* eigensolver::JdbSymFabric::fabric_

private

Definition at line 55 of file jdbsymFabric.hh.

jdtype_

uint eigensolver::JdbSymFabric::jdtype_

private

Definition at line 54 of file jdbsymFabric.hh.

kmax_

uint eigensolver::JdbSymFabric::kmax_

private

Definition at line 54 of file jdbsymFabric.hh.

maxit_

uint eigensolver::JdbSymFabric::maxit_

private

Definition at line 54 of file jdbsymFabric.hh.

solver_

std::unique_ptr<JdbSym> eigensolver::JdbSymFabric::solver_

private

Real eigenvalue solver.

Definition at line 52 of file jdbsymFabric.hh.

start_

const concepts::Array<concepts::Vector<Real>*>* eigensolver::JdbSymFabric::start_

private

Definition at line 56 of file jdbsymFabric.hh.

tau_

Real eigensolver::JdbSymFabric::tau_

private

Definition at line 53 of file jdbsymFabric.hh.

tol_

Real eigensolver::JdbSymFabric::tol_

private

Definition at line 53 of file jdbsymFabric.hh.

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

• eigensolver/jdbsymFabric.hh