mfem::SundialsSolver Class Reference

Base class for interfacing with SUNDIALS packages. More...

#include <sundials.hpp>

Inheritance diagram for mfem::SundialsSolver:

Collaboration diagram for mfem::SundialsSolver:

Public Member Functions
void *	GetMem () const
	Access the SUNDIALS memory structure.
int	GetFlag () const
	Returns the last flag returned by a call to a SUNDIALS function.

Protected Member Functions
bool	Parallel () const
bool	Parallel () const
	SundialsSolver ()
	Protected constructor: objects of this type should be constructed only as part of a derived class.
void	AllocateEmptyNVector (N_Vector &y)
void	AllocateEmptyNVector (N_Vector &y, MPI_Comm comm)

Protected Attributes
void *	sundials_mem
	SUNDIALS mem structure.
int	flag
	Last flag returned from a call to SUNDIALS.
bool	reinit
	Flag to signal memory reinitialization is need.
long	saved_global_size
	Global vector length on last initialization.
SundialsNVector *	Y
	State vector.
SUNMatrix	A
SUNMatrix	M
	Mass matrix M.
SUNLinearSolver	LSA
	Linear solver for A.
SUNLinearSolver	LSM
	Linear solver for M.
SUNNonlinearSolver	NLS
	Nonlinear solver.

Static Protected Attributes
static constexpr double	default_rel_tol = 1e-4
	Default scalar relative tolerance.
static constexpr double	default_abs_tol = 1e-9
	Default scalar absolute tolerance.

Detailed Description

Base class for interfacing with SUNDIALS packages.

Definition at line 329 of file sundials.hpp.

Constructor & Destructor Documentation

SundialsSolver()

mfem::SundialsSolver::SundialsSolver ( )

inlineprotected

Protected constructor: objects of this type should be constructed only as part of a derived class.

Definition at line 359 of file sundials.hpp.

Member Function Documentation

AllocateEmptyNVector() [1/2]

void mfem::SundialsSolver::AllocateEmptyNVector ( N_Vector & y )

protected

AllocateEmptyNVector() [2/2]

void mfem::SundialsSolver::AllocateEmptyNVector ( N_Vector & y, MPI_Comm comm )

protected

GetFlag()

int mfem::SundialsSolver::GetFlag ( ) const

inline

Returns the last flag returned by a call to a SUNDIALS function.

Definition at line 376 of file sundials.hpp.

GetMem()

void * mfem::SundialsSolver::GetMem ( ) const

inline

Access the SUNDIALS memory structure.

Definition at line 373 of file sundials.hpp.

Parallel() [1/2]

bool mfem::SundialsSolver::Parallel ( ) const

inlineprotected

Definition at line 346 of file sundials.hpp.

Parallel() [2/2]

bool mfem::SundialsSolver::Parallel ( ) const

inlineprotected

Definition at line 349 of file sundials.hpp.

Member Data Documentation

A

SUNMatrix mfem::SundialsSolver::A

protected

Linear system A = I - gamma J, M - gamma J, or J.

Definition at line 338 of file sundials.hpp.

default_abs_tol

double mfem::SundialsSolver::default_abs_tol = 1e-9

staticconstexprprotected

Default scalar absolute tolerance.

Definition at line 355 of file sundials.hpp.

default_rel_tol

double mfem::SundialsSolver::default_rel_tol = 1e-4

staticconstexprprotected

Default scalar relative tolerance.

Definition at line 353 of file sundials.hpp.

flag

int mfem::SundialsSolver::flag

mutableprotected

Last flag returned from a call to SUNDIALS.

Definition at line 333 of file sundials.hpp.

LSA

SUNLinearSolver mfem::SundialsSolver::LSA

protected

Linear solver for A.

Definition at line 341 of file sundials.hpp.

LSM

SUNLinearSolver mfem::SundialsSolver::LSM

protected

Linear solver for M.

Definition at line 342 of file sundials.hpp.

M

SUNMatrix mfem::SundialsSolver::M

protected

Mass matrix M.

Definition at line 340 of file sundials.hpp.

NLS

SUNNonlinearSolver mfem::SundialsSolver::NLS

protected

Nonlinear solver.

Definition at line 343 of file sundials.hpp.

reinit

bool mfem::SundialsSolver::reinit

protected

Flag to signal memory reinitialization is need.

Definition at line 334 of file sundials.hpp.

saved_global_size

long mfem::SundialsSolver::saved_global_size

protected

Global vector length on last initialization.

Definition at line 335 of file sundials.hpp.

sundials_mem

void* mfem::SundialsSolver::sundials_mem

protected

SUNDIALS mem structure.

Definition at line 332 of file sundials.hpp.

Y

SundialsNVector* mfem::SundialsSolver::Y

protected

State vector.

Definition at line 337 of file sundials.hpp.

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

• linalg/sundials.hpp