eigen_mod::eigen Interface Reference

Derived type for eigenvalue problem resolution. More...

Collaboration diagram for eigen_mod::eigen:

Private Member Functions
final	eigen_clear
type(eigen) function	eigen_create (size, nev, sym, std)
	constructor for the type eigen More...

Private Attributes
logical	created = .FALSE.
	To check wether the class has been created or not. More...
integer	size
	problem size More...
integer	nev
	Number of eigenvalues/eigenvectors to be computed. More...
logical	standard
	stabdard problem ? More...
logical	symmetric
	Symmetric problem ? More...
integer	mode
	Mode = regular, inverse, shift-invert. More...
integer	which
	which part of the spectrum ? More...
integer	type
	Eigen solver type. More...
real(rp)	tol
	Tolerance. More...
integer	itmax
	Maximal iteration number. More...
real(rp)	shift
	shift parameter More...
integer	verb
	Verbosity. More...
character(10)	name
	Eigen solver name. More...
real(rp), dimension(:), allocatable	lambda
	computed eigenvalues More...
real(rp), dimension(:,:), allocatable	v
	computed eigenvectors More...
integer	iter
	number of performed iterations More...
integer	aeval
	number of performed matrix-vector product x –> A*x More...
integer	beval
	number of performed matrix-vector product x –> B*x More...
integer	opeval
	number of performed linear system inversion Op*x = y More...
integer	ierr
	has the resolution been successfull ? More...

Detailed Description

Derived type for eigenvalue problem resolution.

Definition at line 106 of file eigen_mod.F90.

Member Function/Subroutine Documentation

eigen_clear()

final eigen_mod::eigen::eigen_clear ( )

finalprivate

Definition at line 175 of file eigen_mod.F90.

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eigen_create()

type(eigen) function eigen_mod::eigen::eigen_create ( integer, intent(in)  size, integer, intent(in)  nev, logical, intent(in)  sym, logical, intent(in)  std  )

private

constructor for the type eigen

Parameters

[out]	eig	eigen-solver settings
[in]	size	problem size ( \( x\in\R^{\rm size}\))
[in]	nev	number of eigen-modes to be computed
[in]	sym	symmetric problem ? [TRUE/FALSE]
[in]	std	standard problem ? [TRUE/FALSE]

Definition at line 268 of file eigen_mod.F90.

Member Data Documentation

aeval

integer eigen_mod::eigen::aeval

private

number of performed matrix-vector product x –> A*x

Definition at line 166 of file eigen_mod.F90.

beval

integer eigen_mod::eigen::beval

private

number of performed matrix-vector product x –> B*x

Definition at line 168 of file eigen_mod.F90.

created

logical eigen_mod::eigen::created = .FALSE.

private

To check wether the class has been created or not.

Definition at line 109 of file eigen_mod.F90.

ierr

integer eigen_mod::eigen::ierr

private

has the resolution been successfull ?

Definition at line 172 of file eigen_mod.F90.

iter

integer eigen_mod::eigen::iter

private

number of performed iterations

Definition at line 164 of file eigen_mod.F90.

itmax

integer eigen_mod::eigen::itmax

private

Maximal iteration number.

Definition at line 140 of file eigen_mod.F90.

lambda

real(rp), dimension(:), allocatable eigen_mod::eigen::lambda

private

computed eigenvalues

Definition at line 156 of file eigen_mod.F90.

mode

integer eigen_mod::eigen::mode

private

Mode = regular, inverse, shift-invert.

Definition at line 126 of file eigen_mod.F90.

name

character(10) eigen_mod::eigen::name

private

Eigen solver name.

Definition at line 151 of file eigen_mod.F90.

nev

integer eigen_mod::eigen::nev

private

Number of eigenvalues/eigenvectors to be computed.

Definition at line 117 of file eigen_mod.F90.

opeval

integer eigen_mod::eigen::opeval

private

number of performed linear system inversion Op*x = y

Definition at line 170 of file eigen_mod.F90.

shift

real(rp) eigen_mod::eigen::shift

private

shift parameter

Definition at line 143 of file eigen_mod.F90.

size

integer eigen_mod::eigen::size

private

problem size

Definition at line 114 of file eigen_mod.F90.

standard

logical eigen_mod::eigen::standard

private

stabdard problem ?

Definition at line 120 of file eigen_mod.F90.

symmetric

logical eigen_mod::eigen::symmetric

private

Symmetric problem ?

Definition at line 123 of file eigen_mod.F90.

tol

real(rp) eigen_mod::eigen::tol

private

Tolerance.

Definition at line 137 of file eigen_mod.F90.

type

integer eigen_mod::eigen::type

private

Eigen solver type.

Definition at line 134 of file eigen_mod.F90.

v

real(rp), dimension(:,:), allocatable eigen_mod::eigen::v

private

computed eigenvectors

Definition at line 159 of file eigen_mod.F90.

verb

integer eigen_mod::eigen::verb

private

Verbosity.

Definition at line 146 of file eigen_mod.F90.

which

integer eigen_mod::eigen::which

private

which part of the spectrum ?

Definition at line 129 of file eigen_mod.F90.

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

• /home/cpierre1/choral/SRC/eigen_mod.F90