#include <linsys_proposed.hh>

Inheritance diagram for LinSys_MATIS:

Collaboration diagram for LinSys_MATIS:

Classes
struct	MatMyIS

Public Member Functions
	LinSys_MATIS (unsigned int lsize, int sz, int global_row_4_sub_row, double sol_array=NULL)

virtual void	start_allocation ()

virtual void	preallocate_matrix ()

virtual void	preallocate_values (int nrow, int rows, int ncol, int cols)

virtual void	view_local_matrix ()

VecScatter	get_scatter ()

int	get_subdomain_size ()
	Get local subdomain size. More...

virtual	~LinSys_MATIS ()

Public Member Functions inherited from LinSys
	LinSys (const Distribution *rows_ds)

	LinSys (LinSys &other)

unsigned int	size ()

unsigned int	vec_lsize ()

virtual const Mat &	get_matrix ()

virtual const Vec &	get_rhs ()

void	set_matrix_changed ()

void	set_rhs_changed ()

bool	is_matrix_changed ()

bool	is_rhs_changed ()

virtual PetscErrorCode	set_matrix (Mat &matrix, MatStructure str)

virtual PetscErrorCode	set_rhs (Vec &rhs)

virtual PetscErrorCode	mat_zero_entries ()

virtual PetscErrorCode	rhs_zero_entries ()

const Vec &	get_solution ()

void	set_solution (double *sol_array)

double *	get_solution_array ()

virtual void	get_whole_solution (std::vector< double > &globalSolution)

virtual void	set_whole_solution (std::vector< double > &globalSolution)

virtual void	start_add_assembly ()

virtual void	start_insert_assembly ()

virtual void	finish_assembly ()=0

virtual void	mat_set_values (int nrow, int rows, int ncol, int cols, double *vals)=0

void	mat_set_value (int row, int col, double val)

virtual void	rhs_set_values (int nrow, int rows, double vals)=0

void	rhs_set_value (int row, double val)

void	set_values (int nrow, int rows, int ncol, int cols, PetscScalar mat_vals, PetscScalar rhs_vals)
	Set values in the system matrix and values in the right-hand side vector on corresponding rows. More...

void	set_values (std::vector< int > &row_dofs, std::vector< int > &col_dofs, const arma::mat &matrix, const arma::vec &rhs, const arma::vec &row_solution, const arma::vec &col_solution)

void	add_constraint (int row, double value)

virtual void	apply_constrains (double scalar)=0

virtual int	solve ()=0

double	get_residual_norm ()

double	get_relative_accuracy ()

virtual double	get_absolute_accuracy ()

void	set_symmetric (bool flag=true)

bool	is_symmetric ()

void	set_positive_definite (bool flag=true)

void	set_negative_definite (bool flag=true)

bool	is_positive_definite ()

bool	is_negative_definite ()

bool	is_new ()

bool	is_preallocated ()

void	set_spd_via_symmetric_general (bool flag=true)

bool	is_spd_via_symmetric_general ()

virtual void	view ()

virtual void	set_from_input (const Input::Record in_rec)

virtual double	get_solution_precision ()=0

virtual	~LinSys ()

	LinSys (unsigned int lsize, double *sol_array=NULL)

unsigned int	size ()

unsigned int	vec_lsize ()

const Distribution &	ds ()

const Mat &	get_matrix ()

const Vec &	get_rhs ()

const Vec &	get_solution ()

double *	get_solution_array ()

void	start_add_assembly ()

void	start_insert_assembly ()

void	partial_assembly ()

void	finish_assembly ()

virtual void	mat_set_values (int nrow, int rows, int ncol, int cols, PetscScalar *vals)=0

void	mat_set_value (int row, int col, PetscScalar val)

void	rhs_set_values (int nrow, int rows, PetscScalar vals)

void	rhs_set_value (int row, PetscScalar val)

void	set_values (int nrow, int rows, int ncol, int cols, PetscScalar mat_vals, PetscScalar rhs_vals, std::vector< bool > &constrains_row_mask=std::vector(0), double *constrain_values=NULL)

void	add_constrain (int row, double value)

void	apply_constrains (std::vector< Constrain > &constraints)

virtual int	solve ()

void	set_symmetric (bool flag=true)

bool	is_symmetric ()

void	set_positive_definite (bool flag=true)

bool	is_positive_definite ()

void	view (std::ostream output_stream, int *output_mapping=NULL)

virtual	~LinSys ()

Private Attributes
ISLocalToGlobalMapping	map_local_to_global
	PETSC mapping form local indexes of subdomain to global indexes. More...

int	loc_rows_size

int *	loc_rows

VecScatter	sub_scatter

int	subdomain_size
	size of subdomain in MATIS matrix More...

int *	subdomain_nz
	For counting non-zero enteries of local subdomain. More...

Additional Inherited Members
Public Types inherited from LinSys
enum	SetValuesMode { INSERT =INSERT_VALUES, ADD =ADD_VALUES, ALLOCATE, DONE, NONE, INSERT =INSERT_VALUES, ADD =ADD_VALUES, ALLOCATE, DONE, NONE }

enum	SetValuesMode { INSERT =INSERT_VALUES, ADD =ADD_VALUES, ALLOCATE, DONE, NONE, INSERT =INSERT_VALUES, ADD =ADD_VALUES, ALLOCATE, DONE, NONE }

enum	LinSysType { PETSC_MPIAIJ_preallocate_by_assembly, PETSC_MPIAIJ_assembly_by_triples, BDDC, PETSC_schur_complement }

Public Attributes inherited from LinSys
LinSysType	type
	Particular type of the linear system. More...

Static Public Attributes inherited from LinSys
static Input::Type::AbstractRecord	input_type

Protected Types inherited from LinSys
typedef std::pair< unsigned, double >	Constraint_

typedef std::vector< Constraint_ >	ConstraintVec_

Protected Attributes inherited from LinSys
double	r_tol_

double	a_tol_

int	max_it_

MPI_Comm	comm_

SetValuesMode	status_
	Set value status of the linear system. More...

const unsigned	lsize_
	local number of matrix rows (non-overlapping division of rows) More...

unsigned	size_
	global number of matrix rows, i.e. problem size More...

const Distribution *	rows_ds_
	final distribution of rows of MH matrix More...

bool	symmetric_

bool	positive_definite_

bool	negative_definite_

bool	spd_via_symmetric_general_

bool	matrix_changed_
	true if the matrix was changed since the last solve More...

bool	rhs_changed_
	true if the right hand side was changed since the last solve More...

Vec	solution_
	PETSc vector constructed with vb array. More...

double *	v_solution_
	local solution array pointing into Vec solution_ More...

bool	own_solution_
	Indicates if the solution array has been allocated by this class. More...

double	residual_norm_
	local solution array pointing into Vec solution_ More...

ConstraintVec_	constraints_

std::vector< double >	globalSolution_
	global solution in numbering for linear system More...

Input::Record	in_rec_

Distribution	vec_ds
	Distribution of continuous blocks of system rows among the processors. More...

bool	symmetric
	Flag for the symmetric system. More...

bool	positive_definite
	Flag for positive definite system. More...

bool	own_solution
	Indicates if the solution array has been allocated by this class. More...

SetValuesMode	status
	Set value status of the linear system. More...

Mat	matrix
	Petsc matrix of the problem. More...

Vec	rhs
	PETSc vector constructed with vx array. More...

Vec	solution
	PETSc vector constructed with vb array. More...

double *	v_rhs
	RHS vector. More...

double *	v_solution
	Vector of solution. More...

int *	subdomain_indices
	Remember indices which created mapping. More...

Mat	local_matrix
	local matrix of subdomain (used in LinSys_MATIS) More...

Detailed Description

Definition at line 346 of file linsys_proposed.hh.

Constructor & Destructor Documentation

LinSys_MATIS::LinSys_MATIS	(	unsigned int	lsize,
		int	sz,
		int *	global_row_4_sub_row,
		double *	sol_array = `NULL`
	)

virtual LinSys_MATIS::~LinSys_MATIS ( )

virtual

Member Function Documentation

VecScatter LinSys_MATIS::get_scatter ( )

inline

Definition at line 355 of file linsys_proposed.hh.

int LinSys_MATIS::get_subdomain_size ( )

inline

Get local subdomain size.

Definition at line 358 of file linsys_proposed.hh.

virtual void LinSys_MATIS::preallocate_matrix ( )

virtual

Protected methods used in preallocate_by_assembly solvers.

Implements LinSys.

virtual void LinSys_MATIS::preallocate_values	(	int	nrow,
		int *	rows,
		int	ncol,
		int *	cols
	)

virtual

Protected methods used in preallocate_by_assembly solvers.

Implements LinSys.

virtual void LinSys_MATIS::start_allocation ( )

virtual

Switch linear system into allocating assembly. (only for PETSC_MPIAIJ_preallocate_by_assembly)

Reimplemented from LinSys.

virtual void LinSys_MATIS::view_local_matrix ( )

virtual

Member Data Documentation

int* LinSys_MATIS::loc_rows

private

Small auxiliary array for translation of global indexes to local during preallocate_set_values. However for MatSetValues

Definition at line 367 of file linsys_proposed.hh.

int LinSys_MATIS::loc_rows_size

private

Definition at line 366 of file linsys_proposed.hh.

ISLocalToGlobalMapping LinSys_MATIS::map_local_to_global

private

PETSC mapping form local indexes of subdomain to global indexes.

Definition at line 365 of file linsys_proposed.hh.

VecScatter LinSys_MATIS::sub_scatter

private

from global vector with no overlaps constructs local (subdomain) vectors with overlaps copy of scatter created and used in PETSc in Mat_IS

Definition at line 369 of file linsys_proposed.hh.

int* LinSys_MATIS::subdomain_nz

private

For counting non-zero enteries of local subdomain.

Definition at line 374 of file linsys_proposed.hh.

int LinSys_MATIS::subdomain_size

private

size of subdomain in MATIS matrix

Definition at line 373 of file linsys_proposed.hh.

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

/home/jb/workspace/flow123d/src/la/linsys_proposed.hh

Classes

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation