lsd_mkb/lad_block/las_block_intf.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "uth_log.h"
#include "../lah_intf.h"
#include "./lah_block.h"
#include "lin_alg_intf.h"

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Defines
#define	MIN_DOF_DGEMV   10000
#define	SMALL   1e-15
#define	TOL   1e-9
#define	Max_dof_block_dia   1500
#define	MAX_BL_BL   20
Functions
int	lar_allocate_SM_and_LV_block (int Nrdof_glob, int Max_SM_size, int Nrblocks, int *Nrdofbl, int *Posglob, int *Nroffbl, int **L_offbl)
int	lar_initialize_SM_and_LV_block (int Matrix_id, int Scope)
double	lar_get_storage_block (int Matrix_id)
int	lar_assemble_SM_and_LV_block (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_allocate_preconditioner_block (int Matrix_id, int Precon, int Block_type)
int	lar_fill_preconditioner_block (int Matrix_id)
int	lar_free_preconditioner_block (int Matrix_id)
int	lar_free_SM_and_LV_block (int Matrix_id)
void	lar_compute_residual_block (int Matrix_id, int Use_rhs, int Ini_zero, int Ndof, double *X, double *B, double *V)
void	lar_perform_BJ_or_GS_iterations_block (int Matrix_id, int Use_rhs, int Ini_zero, int Nr_prec, int Ndof, double *V, double *B)
void	lar_perform_rhsub_block (int Matrix_id, int Ndof, double *V, double *B)
void	it_mfaiter (int Matrix_id, int Use_rhs, int Ini_zero, int Nr_prec, int Ndof, double *V, double *B)
void	it_mfmiter (int Matrix_id, int Use_rhs, int Ini_zero, int Nr_prec, int Ndof, double *V, double *B)
int	lar_block_print_matrix (int Matrix_id)
Variables
const int	LAC_MAX_BL_NGB = 200
const int	LAC_MAX_BL_DIA_NGB = 200
int	itv_nr_matrices = 0
itt_matrices	itv_matrices [LAC_MAX_MATRICES]

---

Define Documentation

#define MAX_BL_BL   20

#define Max_dof_block_dia   1500

#define MIN_DOF_DGEMV   10000

#define SMALL   1e-15

#define TOL   1e-9

---

Function Documentation

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

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

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int lar_allocate_preconditioner_block	(	int	Matrix_id,
		int	Precon,
		int	Block_type
	)

-------------------------------------------------------- lar_allocate_preconditioner_block - to allocate space for preconditioner ---------------------------------------------------------

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int lar_allocate_SM_and_LV_block	(	int	Nrdof_glob,
		int	Max_SM_size,
		int	Nrblocks,
		int *	Nrdofbl,
		int *	Posglob,
		int *	Nroffbl,
		int **	L_offbl
	)

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

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int lar_assemble_SM_and_LV_block	(	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_block - 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_block_print_matrix

(

int

Matrix_id

)

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

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

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int lar_fill_preconditioner_block

(

int

Matrix_id

)

-------------------------------------------------------- lar_fill_preconditioner_block - to fill preconditioner ---------------------------------------------------------

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int lar_free_preconditioner_block

(

int

Matrix_id

)

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

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int lar_free_SM_and_LV_block

(

int

Matrix_id

)

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

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double lar_get_storage_block

(

int

Matrix_id

)

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

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int lar_initialize_SM_and_LV_block	(	int	Matrix_id,
		int	Scope
	)

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

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

-------------------------------------------------------- lar_perform_BJ_or_GS_iterations_block - 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_block	(	int	Matrix_id,
		int	Ndof,
		double *	V,
		double *	B
	)

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

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---

Variable Documentation

itt_matrices itv_matrices[LAC_MAX_MATRICES]

int itv_nr_matrices = 0

const int LAC_MAX_BL_DIA_NGB = 200

const int LAC_MAX_BL_NGB = 200