mfem::PetscSolver Class Reference

Abstract class for PETSc's solvers. More...

#include <petsc.hpp>

Inheritance diagram for mfem::PetscSolver:

Collaboration diagram for mfem::PetscSolver:

Public Member Functions
	PetscSolver ()
	Construct an empty PetscSolver. Initialize protected objects to NULL. More...
virtual	~PetscSolver ()
	Destroy the PetscParVectors allocated (if any). More...
void	Customize (bool customize=true) const
	Customize object with options set. More...
int	GetConverged ()
int	GetNumIterations ()
double	GetFinalNorm ()
void	SetMonitor (PetscSolverMonitor *ctx)
	Sets user-defined monitoring routine. More...
void	SetBCHandler (PetscBCHandler *bch)
	Sets the object to handle essential boundary conditions. More...
void	SetPreconditionerFactory (PetscPreconditionerFactory *factory)
	Sets the object for the creation of the preconditioner. More...
	operator PetscObject () const
	Conversion function to PetscObject. More...
MPI_Comm	GetComm () const
	Get the associated MPI communicator. More...
Update of PETSc options.
The following Set methods can be used to update the internal PETSc options. Note They will be overwritten by the options in the input PETSc file.
void	SetTol (double tol)
void	SetRelTol (double tol)
void	SetAbsTol (double tol)
void	SetMaxIter (int max_iter)
void	SetPrintLevel (int plev)

Protected Member Functions
void	CreatePrivateContext ()
void	FreePrivateContext ()

Protected Attributes
bool	clcustom
	Boolean to handle SetFromOptions calls. More...
PetscObject	obj
	The actual PETSc object (KSP, PC, SNES or TS). More...
PetscClassId	cid
	The class id of the actual PETSc object. More...
PetscParVector *	B
	Right-hand side and solution vector. More...
PetscParVector *	X
PetscBCHandler *	bchandler
	Handler for boundary conditions. More...
void *	private_ctx
	Private context for solver. More...
bool	operatorset
	Boolean to handle SetOperator calls. More...

Detailed Description

Abstract class for PETSc's solvers.

Definition at line 648 of file petsc.hpp.

Constructor & Destructor Documentation

mfem::PetscSolver::PetscSolver

(

)

Construct an empty PetscSolver. Initialize protected objects to NULL.

Definition at line 2271 of file petsc.cpp.

mfem::PetscSolver::~PetscSolver ( )

virtual

Destroy the PetscParVectors allocated (if any).

Definition at line 2281 of file petsc.cpp.

Member Function Documentation

void mfem::PetscSolver::CreatePrivateContext ( )

protected

These two methods handle creation and destructions of private data for the Solver objects

Definition at line 2669 of file petsc.cpp.

void mfem::PetscSolver::Customize

(

bool

customize = true

)

const

Customize object with options set.

If customize is false, it disables any options customization.

Definition at line 2545 of file petsc.cpp.

void mfem::PetscSolver::FreePrivateContext ( )

protected

Definition at line 2701 of file petsc.cpp.

MPI_Comm mfem::PetscSolver::GetComm

(

)

const

Get the associated MPI communicator.

Definition at line 2450 of file petsc.cpp.

int mfem::PetscSolver::GetConverged

(

)

Definition at line 2578 of file petsc.cpp.

double mfem::PetscSolver::GetFinalNorm

(

)

Definition at line 2644 of file petsc.cpp.

int mfem::PetscSolver::GetNumIterations

(

)

Definition at line 2611 of file petsc.cpp.

mfem::PetscSolver::operator PetscObject ( ) const

inline

Conversion function to PetscObject.

Definition at line 708 of file petsc.hpp.

void mfem::PetscSolver::SetAbsTol

(

double

tol

)

Definition at line 2318 of file petsc.cpp.

void mfem::PetscSolver::SetBCHandler

(

PetscBCHandler *

bch

)

Sets the object to handle essential boundary conditions.

Definition at line 2485 of file petsc.cpp.

void mfem::PetscSolver::SetMaxIter

(

int

max_iter

)

Definition at line 2343 of file petsc.cpp.

void mfem::PetscSolver::SetMonitor

(

PetscSolverMonitor *

ctx

)

Sets user-defined monitoring routine.

Definition at line 2455 of file petsc.cpp.

void mfem::PetscSolver::SetPreconditionerFactory

(

PetscPreconditionerFactory *

factory

)

Sets the object for the creation of the preconditioner.

Definition at line 2504 of file petsc.cpp.

void mfem::PetscSolver::SetPrintLevel

(

int

plev

)

Definition at line 2370 of file petsc.cpp.

void mfem::PetscSolver::SetRelTol

(

double

tol

)

Definition at line 2293 of file petsc.cpp.

void mfem::PetscSolver::SetTol

(

double

tol

)

Definition at line 2288 of file petsc.cpp.

Member Data Documentation

PetscParVector* mfem::PetscSolver::B

mutableprotected

Right-hand side and solution vector.

Definition at line 661 of file petsc.hpp.

PetscBCHandler* mfem::PetscSolver::bchandler

protected

Handler for boundary conditions.

Definition at line 664 of file petsc.hpp.

PetscClassId mfem::PetscSolver::cid

protected

The class id of the actual PETSc object.

Definition at line 658 of file petsc.hpp.

bool mfem::PetscSolver::clcustom

mutableprotected

Boolean to handle SetFromOptions calls.

Definition at line 652 of file petsc.hpp.

PetscObject mfem::PetscSolver::obj

protected

The actual PETSc object (KSP, PC, SNES or TS).

Definition at line 655 of file petsc.hpp.

bool mfem::PetscSolver::operatorset

mutableprotected

Boolean to handle SetOperator calls.

Definition at line 670 of file petsc.hpp.

void* mfem::PetscSolver::private_ctx

protected

Private context for solver.

Definition at line 667 of file petsc.hpp.

PetscParVector * mfem::PetscSolver::X

mutableprotected

Definition at line 661 of file petsc.hpp.

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

• linalg/petsc.hpp
• linalg/petsc.cpp