PCMGSetUpViaApproxOrdersCtx Struct Reference

Set data structures of MG pre-conditioner via approximation orders. More...

#include <users_modules/basic_finite_elements/src/PCMGSetUpViaApproxOrders.hpp>

Collaboration diagram for PCMGSetUpViaApproxOrdersCtx:

Public Member Functions
	PCMGSetUpViaApproxOrdersCtx (DM dm, Mat a, bool shell_sub_a)
virtual	~PCMGSetUpViaApproxOrdersCtx ()=default
virtual MoFEMErrorCode	getOptions ()
	get options from line command More...
virtual MoFEMErrorCode	createIsAtLevel (int kk, IS *is)
	Set IS for levels. More...
virtual MoFEMErrorCode	destroyIsAtLevel (int kk, IS *is)
	Destroy IS if internally created. More...
virtual MoFEMErrorCode	buildProlongationOperator (bool use_mat_a, int verb=0)
	Set up data structures for MG. More...

Public Attributes
DM	dM
	Distributed mesh manager. More...
Mat	A
	Matrix at fine level. More...
int	nbLevels
	number of multi-grid levels More...
int	coarseOrder
	approximation order of coarse level More...
int	orderAtLastLevel
	set maximal evaluated order More...
bool	shellSubA
int	verboseLevel

Detailed Description

Set data structures of MG pre-conditioner via approximation orders.

Definition at line 190 of file PCMGSetUpViaApproxOrders.hpp.

Constructor & Destructor Documentation

PCMGSetUpViaApproxOrdersCtx()

PCMGSetUpViaApproxOrdersCtx::PCMGSetUpViaApproxOrdersCtx ( DM  dm, Mat  a, bool  shell_sub_a  )

inline

Definition at line 198 of file PCMGSetUpViaApproxOrders.hpp.

      : dM(dm), A(a), nbLevels(2), coarseOrder(2), orderAtLastLevel(1000),
        shellSubA(shell_sub_a), verboseLevel(0) {}

~PCMGSetUpViaApproxOrdersCtx()

virtual PCMGSetUpViaApproxOrdersCtx::~PCMGSetUpViaApproxOrdersCtx ( )

virtualdefault

Member Function Documentation

buildProlongationOperator()

virtual MoFEMErrorCode PCMGSetUpViaApproxOrdersCtx::buildProlongationOperator ( bool  use_mat_a, int  verb = 0  )

virtual

Set up data structures for MG.

Parameters

pc	MG pre-conditioner http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCMG.html
verb	verbosity level

Returns

error code

createIsAtLevel()

virtual MoFEMErrorCode PCMGSetUpViaApproxOrdersCtx::createIsAtLevel ( int  kk, IS *  is  )

virtual

Set IS for levels.

Parameters

kk	level
is	pointer to IS

Returns

error code

destroyIsAtLevel()

virtual MoFEMErrorCode PCMGSetUpViaApproxOrdersCtx::destroyIsAtLevel ( int  kk, IS *  is  )

virtual

Destroy IS if internally created.

Parameters

kk	level
is	pointer to is

Returns

error code

getOptions()

virtual MoFEMErrorCode PCMGSetUpViaApproxOrdersCtx::getOptions ( )

virtual

get options from line command

Returns

error code

Member Data Documentation

A

Mat PCMGSetUpViaApproxOrdersCtx::A

Matrix at fine level.

Definition at line 196 of file PCMGSetUpViaApproxOrders.hpp.

coarseOrder

int PCMGSetUpViaApproxOrdersCtx::coarseOrder

approximation order of coarse level

Definition at line 205 of file PCMGSetUpViaApproxOrders.hpp.

dM

DM PCMGSetUpViaApproxOrdersCtx::dM

Distributed mesh manager.

Definition at line 195 of file PCMGSetUpViaApproxOrders.hpp.

nbLevels

int PCMGSetUpViaApproxOrdersCtx::nbLevels

number of multi-grid levels

Definition at line 204 of file PCMGSetUpViaApproxOrders.hpp.

orderAtLastLevel

int PCMGSetUpViaApproxOrdersCtx::orderAtLastLevel

set maximal evaluated order

Definition at line 206 of file PCMGSetUpViaApproxOrders.hpp.

shellSubA

bool PCMGSetUpViaApproxOrdersCtx::shellSubA

Definition at line 208 of file PCMGSetUpViaApproxOrders.hpp.

verboseLevel

int PCMGSetUpViaApproxOrdersCtx::verboseLevel

Definition at line 209 of file PCMGSetUpViaApproxOrders.hpp.

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

• users_modules/basic_finite_elements/src/PCMGSetUpViaApproxOrders.hpp