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. More...
int	GetFlag () const
	Returns the last flag returned by a call to a SUNDIALS function. More...

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. More...
void	AllocateEmptyNVector (N_Vector &y)
void	AllocateEmptyNVector (N_Vector &y, MPI_Comm comm)

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

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

Detailed Description

Base class for interfacing with SUNDIALS packages.

Definition at line 318 of file sundials.hpp.

Constructor & Destructor Documentation

mfem::SundialsSolver::SundialsSolver ( )

inlineprotected

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

Definition at line 348 of file sundials.hpp.

Member Function Documentation

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

protected

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

protected

int mfem::SundialsSolver::GetFlag ( ) const

inline

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

Definition at line 365 of file sundials.hpp.

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

inline

Access the SUNDIALS memory structure.

Definition at line 362 of file sundials.hpp.

bool mfem::SundialsSolver::Parallel ( ) const

inlineprotected

Definition at line 335 of file sundials.hpp.

bool mfem::SundialsSolver::Parallel ( ) const

inlineprotected

Definition at line 338 of file sundials.hpp.

Member Data Documentation

SUNMatrix mfem::SundialsSolver::A

protected

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

Definition at line 327 of file sundials.hpp.

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

staticprotected

Default scalar absolute tolerance.

Definition at line 344 of file sundials.hpp.

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

staticprotected

Default scalar relative tolerance.

Definition at line 342 of file sundials.hpp.

int mfem::SundialsSolver::flag

mutableprotected

Last flag returned from a call to SUNDIALS.

Definition at line 322 of file sundials.hpp.

SUNLinearSolver mfem::SundialsSolver::LSA

protected

Linear solver for A.

Definition at line 330 of file sundials.hpp.

SUNLinearSolver mfem::SundialsSolver::LSM

protected

Linear solver for M.

Definition at line 331 of file sundials.hpp.

SUNMatrix mfem::SundialsSolver::M

protected

Mass matrix M.

Definition at line 329 of file sundials.hpp.

SUNNonlinearSolver mfem::SundialsSolver::NLS

protected

Nonlinear solver.

Definition at line 332 of file sundials.hpp.

bool mfem::SundialsSolver::reinit

protected

Flag to signal memory reinitialization is need.

Definition at line 323 of file sundials.hpp.

long mfem::SundialsSolver::saved_global_size

protected

Global vector length on last initialization.

Definition at line 324 of file sundials.hpp.

void* mfem::SundialsSolver::sundials_mem

protected

SUNDIALS mem structure.

Definition at line 321 of file sundials.hpp.

SundialsNVector* mfem::SundialsSolver::Y

protected

State vector.

Definition at line 326 of file sundials.hpp.

---

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

• linalg/sundials.hpp