Seldon user's guide

Class grouping different Cholesky solvers. More...

Inheritance diagram for Seldon::SparseCholeskySolver< T >:

Public Types
enum	{ SELDON_SOLVER, CHOLMOD, PASTIX }

Public Member Functions
	SparseCholeskySolver ()
	Default constructor.

void	HideMessages ()
	Displays no messages.

void	ShowMessages ()
	Displays only brief messages.

void	ShowFullHistory ()
	Displays a lot of messages.

void	Clear ()
	Clears Cholesky factors.

int	GetM () const
	Returns the number of rows.

int	GetN () const
	Returns the number of rows.

size_t	GetMemorySize () const
	returns memory size used by the object in bytes

int	GetTypeOrdering () const
	Returns the type of ordering used.

void	SetPermutation (const IVect &)
	Modifies the ordering used.

void	SelectOrdering (int)
	Modifies the type of ordering used.

void	SelectDirectSolver (int)
	Modifies the direct solver used.

int	GetDirectSolver ()
	returns the type of direct solver used

void	InitSolver ()

template<class Prop , class Storage , class Allocator >
void	Factorize (Matrix< T, Prop, Storage, Allocator > &A, bool keep_matrix=false)
	Performs Cholesky factorization.

template<class T1 >
void	Solve (const SeldonTranspose &TransA, Vector< T1 > &x, bool assemble=true)
	Solves L x = b or L^T x = b.

template<class T1 >
void	Mlt (const SeldonTranspose &TransA, Vector< T1 > &x, bool assemble=true)
	Computes L x or L^T.

Protected Attributes
int	print_level
	Verbosity level.

int	type_ordering
	Ordering to use.

IVect	permutation
	Permutation array.

int	type_solver
	Solver to use.

int	n
	Size of factorized linear system.

Matrix< T, Symmetric, ArrayRowSymSparse >	mat_sym
	Cholesky factors.

Vector< T >	xtmp
	Temporary vector.

VirtualSparseDirectSolver< T > *	solver
	extern Cholesky solver

Detailed Description

Class grouping different Cholesky solvers.

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