krylov_mod::krylov Interface Reference

The type krylov defines the settings of a linear solver. More...

Collaboration diagram for krylov_mod::krylov:

Private Member Functions
final	krylov_clear
	destructor More...
type(krylov) function	krylov_create (type, tol, itMax, restart, verb)
	Constructor for the type krylov More...

Private Attributes
integer	type =KRY_CG
	Krylov solver type. More...
real(rp)	tol = 1E-8_RP
	Tolerance. More...
integer	itmax =1000
	Maximal iteration number. More...
integer	restart =15
	Restart number (GmRes) More...
integer	verb =0
	Verbosity. More...
character(10)	name ='CG'
	Krylov solver name. More...
real(rp)	res
	residual More...
integer	iter
	number of performed iterations More...
integer	aeval =0
	number of performed matrix-vector product More...
logical	ierr = .FALSE.
	has the resolution been successfull ? More...
real(rp), dimension(:), allocatable	xr
	re-ordering of x = sol More...
real(rp), dimension(:), allocatable	br
	re-ordering of b = rhs More...

Detailed Description

The type krylov defines the settings of a linear solver.

See krylov_mod detailed description.

Definition at line 63 of file krylov_mod.f90.

Member Function/Subroutine Documentation

krylov_clear()

final krylov_mod::krylov::krylov_clear ( )

finalprivate

destructor

Definition at line 104 of file krylov_mod.f90.

Here is the call graph for this function:

krylov_create()

type(krylov) function krylov_mod::krylov::krylov_create ( integer, intent(in), optional  type, real(rp), intent(in), optional  tol, integer, intent(in), optional  itMax, integer, intent(in), optional  restart, integer, intent(in), optional  verb  )

private

Constructor for the type krylov

• OUTPUT:
  • k = krylov

• INPUT:
• type = Krylov solver type
• tol = Tolerance
• itMax = Max iteration number
• restart= Restart number (GmRes)
• verb = Verbosity

These are optional arguments: default values are set in the type krylov definition.

Definition at line 183 of file krylov_mod.f90.

Member Data Documentation

aeval

integer krylov_mod::krylov::aeval =0

private

number of performed matrix-vector product

Definition at line 90 of file krylov_mod.f90.

br

real(rp), dimension(:), allocatable krylov_mod::krylov::br

private

re-ordering of b = rhs

Definition at line 99 of file krylov_mod.f90.

ierr

logical krylov_mod::krylov::ierr = .FALSE.

private

has the resolution been successfull ?

Definition at line 92 of file krylov_mod.f90.

iter

integer krylov_mod::krylov::iter

private

number of performed iterations

Definition at line 88 of file krylov_mod.f90.

itmax

integer krylov_mod::krylov::itmax =1000

private

Maximal iteration number.

Definition at line 72 of file krylov_mod.f90.

name

character(10) krylov_mod::krylov::name ='CG'

private

Krylov solver name.

Definition at line 81 of file krylov_mod.f90.

res

real(rp) krylov_mod::krylov::res

private

residual

Definition at line 86 of file krylov_mod.f90.

restart

integer krylov_mod::krylov::restart =15

private

Restart number (GmRes)

Definition at line 74 of file krylov_mod.f90.

tol

real(rp) krylov_mod::krylov::tol = 1E-8_RP

private

Tolerance.

Definition at line 70 of file krylov_mod.f90.

type

integer krylov_mod::krylov::type =KRY_CG

private

Krylov solver type.

Definition at line 68 of file krylov_mod.f90.

verb

integer krylov_mod::krylov::verb =0

private

Verbosity.

Definition at line 76 of file krylov_mod.f90.

xr

real(rp), dimension(:), allocatable krylov_mod::krylov::xr

private

re-ordering of x = sol

Definition at line 97 of file krylov_mod.f90.

---

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

• /home/cpierre1/choral/SRC/krylov_mod.f90