PreconditionChebyshev< MatrixType, VectorType, PreconditionerType >::EigenvalueInformation Struct Reference

#include <deal.II/lac/precondition.h>

Public Member Functions
	EigenvalueInformation ()

Public Attributes
double	min_eigenvalue_estimate
double	max_eigenvalue_estimate
unsigned int	cg_iterations
unsigned int	degree

Detailed Description

template<typename MatrixType = SparseMatrix<double>, typename VectorType = Vector<double>, typename PreconditionerType = DiagonalMatrix<VectorType>>
struct PreconditionChebyshev< MatrixType, VectorType, PreconditionerType >::EigenvalueInformation

A struct that contains information about the eigenvalue estimation performed by the PreconditionChebychev class.

Definition at line 1171 of file precondition.h.

Constructor & Destructor Documentation

EigenvalueInformation()

template<typename MatrixType = SparseMatrix<double>, typename VectorType = Vector<double>, typename PreconditionerType = DiagonalMatrix<VectorType>>

PreconditionChebyshev< MatrixType, VectorType, PreconditionerType >::EigenvalueInformation::EigenvalueInformation ( )

inline

Constructor initializing with invalid values.

Definition at line 1193 of file precondition.h.

Member Data Documentation

min_eigenvalue_estimate

template<typename MatrixType = SparseMatrix<double>, typename VectorType = Vector<double>, typename PreconditionerType = DiagonalMatrix<VectorType>>

double PreconditionChebyshev< MatrixType, VectorType, PreconditionerType >::EigenvalueInformation::min_eigenvalue_estimate

Estimate for the smallest eigenvalue.

Definition at line 1176 of file precondition.h.

max_eigenvalue_estimate

template<typename MatrixType = SparseMatrix<double>, typename VectorType = Vector<double>, typename PreconditionerType = DiagonalMatrix<VectorType>>

double PreconditionChebyshev< MatrixType, VectorType, PreconditionerType >::EigenvalueInformation::max_eigenvalue_estimate

Estimate for the largest eigenvalue.

Definition at line 1180 of file precondition.h.

cg_iterations

template<typename MatrixType = SparseMatrix<double>, typename VectorType = Vector<double>, typename PreconditionerType = DiagonalMatrix<VectorType>>

unsigned int PreconditionChebyshev< MatrixType, VectorType, PreconditionerType >::EigenvalueInformation::cg_iterations

Number of CG iterations performed or 0.

Definition at line 1184 of file precondition.h.

degree

template<typename MatrixType = SparseMatrix<double>, typename VectorType = Vector<double>, typename PreconditionerType = DiagonalMatrix<VectorType>>

unsigned int PreconditionChebyshev< MatrixType, VectorType, PreconditionerType >::EigenvalueInformation::degree

The degree of the Chebyshev polynomial (either as set using AdditionalData::degree or estimated as described there).

Definition at line 1189 of file precondition.h.

---

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

• include/deal.II/lac/precondition.h