lsd_mkb/lah_intf.h File Reference

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Classes
struct	lat_matrices
Defines
#define	LAC_SCOPE_LV   1
#define	LAC_SCOPE_SM   2
#define	LAC_SCOPE_SM_AND_LV   0
#define	NO_PRECON   0
#define	BLOCK_JACOBI   1
#define	BLOCK_GS   2
#define	ADD_SCHWARZ   3
#define	MULTI_ILU   4
#define	BLOCK_ILU   5
#define	LAC_STORAGE_UNDEFINED   -1
#define	LAC_STORAGE_BLOCK   1
#define	LAC_STORAGE_CRS   2
#define	LAC_STORAGE_BCRS   3
#define	LAC_STORAGE_CRS_GENERIC   4
#define	LAC_STORAGE_PETSC   5
#define	LAC_MAX_MATRICES   20
Functions
int	lar_allocate_SM_and_LV (int Storage_type, int solver_type, int Nrdof_glob, int Max_SM_size, int Nrblocks, int Block_size, int *Nrdofbl, int *Posglob, int *Nroffbl, int **L_offbl)
int	lar_initialize_SM_and_LV (int Matrix_id, int Scope)
double	lar_get_storage (int Matrix_id)
int	lar_fill_assembly_table_int_ent (int Matrix_id, int Nr_dof_bl, int *L_bl_id, int *L_bl_nrdof, int *Assembly_table_int_ent)
int	lar_assemble_SM_and_LV_with_table (int Matrix_id, int Scope, int Nr_dof_bl, int *Assembly_table_int_ent, int *Local_to_global_int_ent, double *Stiff_mat, double *Rhs_vect, char *Rewr_dofs)
int	lar_assemble_SM_and_LV (int Matrix_id, int Scope, int Nr_dof_bl, int *L_bl_id, int *L_bl_nrdof, double *Stiff_mat, double *Rhs_vect, char *Rewr_dofs)
int	lar_create_solver_structures_accel (int Matrix_id)
int	lar_get_crs_data (int Matrix_id, int *Nrdof_glob_p, int *Nnz_p, int **Crs_col_ind_p, int **Crs_row_ptr_p, double **Crs_val_p, double **Rhs_p)
int	lar_free_SM_and_LV (int Matrix_id)
int	lar_allocate_preconditioner (int Matrix_id, int Precon, int Second_arg)
int	lar_fill_preconditioner (int Matrix_id)
int	lar_free_preconditioner (int Matrix_id)
void	lar_compute_residual (int Matrix_id, int Use_rhs, int Ini_zero, int Ndof, double *X, double *B, double *V)
void	lar_perform_BJ_or_GS_iterations (int Matrix_id, int Use_rhs, int Ini_zero, int Nr_prec, int Ndof, double *V, double *B)
void	lar_perform_rhsub (int Matrix_id, int Ndof, double *V, double *B)
int	lar_get_SM_and_LV_crs (int Matrix_id, int offset, int **crs_row, int **crs_col, double **crs_val, double **rhs)
Variables
int	lav_nr_matrices
int	lav_cur_matrix_id
lat_matrices	lav_matrices [LAC_MAX_MATRICES]

---

Define Documentation

#define ADD_SCHWARZ   3

#define BLOCK_GS   2

#define BLOCK_ILU   5

#define BLOCK_JACOBI   1

#define LAC_MAX_MATRICES   20

#define LAC_SCOPE_LV   1

#define LAC_SCOPE_SM   2

#define LAC_SCOPE_SM_AND_LV   0

#define LAC_STORAGE_BCRS   3

#define LAC_STORAGE_BLOCK   1

#define LAC_STORAGE_CRS   2

#define LAC_STORAGE_CRS_GENERIC   4

#define LAC_STORAGE_PETSC   5

#define LAC_STORAGE_UNDEFINED   -1

#define MULTI_ILU   4

#define NO_PRECON   0

---

Function Documentation

int lar_allocate_preconditioner	(	int	Matrix_id,
		int	Precon,
		int	Second_arg
	)

-------------------------------------------------------- lar_allocate_preconditioner - to allocate space for preconditioner ---------------------------------------------------------

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int lar_allocate_SM_and_LV	(	int	Storage_type,
		int	solver_type,
		int	Nrdof_glob,
		int	Max_SM_size,
		int	Nrblocks,
		int	Block_size,
		int *	Nrdofbl,
		int *	Posglob,
		int *	Nroffbl,
		int **	L_offbl
	)

-------------------------------------------------------- lar_allocate_SM_and_LV - to allocate space for stiffness matrix and load vector ---------------------------------------------------------

!!!!!!!!!! FOR DEBUGGING !!!!!!!!!!

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int lar_assemble_SM_and_LV	(	int	Matrix_id,
		int	Scope,
		int	Nr_dof_bl,
		int *	L_bl_id,
		int *	L_bl_nrdof,
		double *	Stiff_mat,
		double *	Rhs_vect,
		char *	Rewr_dofs
	)

----------------------------------------------------------- lar_assemble_SM_and_LV - to assemble entries to the global stiffness matrix and the global load vector using the provided local stiffness matrix and load vector ------------------------------------------------------------

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int lar_assemble_SM_and_LV_with_table	(	int	Matrix_id,
		int	Scope,
		int	Nr_dof_bl,
		int *	Assembly_table_int_ent,
		int *	Local_to_global_int_ent,
		double *	Stiff_mat,
		double *	Rhs_vect,
		char *	Rewr_dofs
	)

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void lar_compute_residual	(	int	Matrix_id,
		int	Use_rhs,
		int	Ini_zero,
		int	Ndof,
		double *	X,
		double *	B,
		double *	V
	)

-------------------------------------------------------- lar_compute_residual - to compute the residual of the not preconditioned system of equations, v = ( b - Ax ) ---------------------------------------------------------

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int lar_create_solver_structures_accel

(

int

Matrix_id

)

--------------------------------------------------------- lar_create_solver_structures_accel - utility to create data structures on GPU ---------------------------------------------------------

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int lar_fill_assembly_table_int_ent	(	int	Matrix_id,
		int	Nr_dof_bl,
		int *	L_bl_id,
		int *	L_bl_nrdof,
		int *	Assembly_table_int_ent
	)

----------------------------------------------------------- lar_fill_assembly_table_int_ent - to fill a part of the global assembly table related to one integration entity, for which lists of DOF blocks (their global positions) are provided ------------------------------------------------------------

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int lar_fill_preconditioner

(

int

Matrix_id

)

-------------------------------------------------------- lar_fill_preconditioner - to fill preconditioner ---------------------------------------------------------

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int lar_free_preconditioner

(

int

Matrix_id

)

-------------------------------------------------------- lar_free_preconditioner - to free space for a block structure ---------------------------------------------------------

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int lar_free_SM_and_LV

(

int

Matrix_id

)

-------------------------------------------------------- lar_free_SM_and_LV - to free space for a block structure ---------------------------------------------------------

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int lar_get_crs_data	(	int	Matrix_id,
		int *	Nrdof_glob_p,
		int *	Nnz_p,
		int **	Crs_col_ind_p,
		int **	Crs_row_ptr_p,
		double **	Crs_val_p,
		double **	Rhs_p
	)

--------------------------------------------------------- lar_get_crs_data - utility to get CRS parameters and pointers ---------------------------------------------------------

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int lar_get_SM_and_LV_crs	(	int	Matrix_id,
		int	offset,
		int **	crs_row,
		int **	crs_col,
		double **	crs_val,
		double **	rhs
	)

--------------------------------------------------------- lar_get_SM_and_LV_crs - convert all matrix format to crs ---------------------------------------------------------

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double lar_get_storage

(

int

Matrix_id

)

-------------------------------------------------------- lar_get_storage - to compute storage of SM, LV and preconditioner ---------------------------------------------------------

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int lar_initialize_SM_and_LV	(	int	Matrix_id,
		int	Scope
	)

-------------------------------------------------------- lar_initialize_SM_and_LV - to initialize stiffness matrix and/or load vector ---------------------------------------------------------

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void lar_perform_BJ_or_GS_iterations	(	int	Matrix_id,
		int	Use_rhs,
		int	Ini_zero,
		int	Nr_prec,
		int	Ndof,
		double *	V,
		double *	B
	)

-------------------------------------------------------- lar_compute_preconditioned_residual - to compute the residual of the preconditioned system of equations, v = M^-1 * ( b - Ax ) where M^-1 corresponds directly to the stored preconditioner matrix --------------------------------------------------------- -------------------------------------------------------- lar_perform_BJ_or_GS_iterations - to perform one iteration of block Gauss-Seidel or block Jacobi algorithm: v_out = v_in + M^-1 * ( b - A * v_in ) where M^-1 results from stored preconditioner matrix and the algorithm ---------------------------------------------------------

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void lar_perform_rhsub	(	int	Matrix_id,
		int	Ndof,
		double *	V,
		double *	B
	)

-------------------------------------------------------- lar_perform_rhsub - to perform forward reduction and back-substitution for ILU preconditioning ---------------------------------------------------------

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---

Variable Documentation

int lav_cur_matrix_id

lat_matrices lav_matrices[LAC_MAX_MATRICES]

int lav_nr_matrices