BlaSparseSTR.c File Reference

Sparse matrix operations for dSTRmat matrices. More...

#include <math.h>
#include "fasp.h"
#include "fasp_functs.h"

Go to the source code of this file.

Functions
dSTRmat	fasp_dstr_create (const INT nx, const INT ny, const INT nz, const INT nc, const INT nband, INT *offsets)
	Create STR sparse matrix data memory space. More...
void	fasp_dstr_alloc (const INT nx, const INT ny, const INT nz, const INT nxy, const INT ngrid, const INT nband, const INT nc, INT *offsets, dSTRmat *A)
	Allocate STR sparse matrix memory space. More...
void	fasp_dstr_free (dSTRmat *A)
	Free STR sparse matrix data memeory space. More...
void	fasp_dstr_cp (const dSTRmat *A, dSTRmat *B)
	Copy a dSTRmat to a new one B=A. More...

Detailed Description

Sparse matrix operations for dSTRmat matrices.

Note

This file contains Level-1 (Bla) functions. It requires: AuxMemory.c

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Copyright (C) 2009–Present by the FASP team. All rights reserved.

Released under the terms of the GNU Lesser General Public License 3.0 or later.

Definition in file BlaSparseSTR.c.

Function Documentation

fasp_dstr_alloc()

void fasp_dstr_alloc	(	const INT	nx,
		const INT	ny,
		const INT	nz,
		const INT	nxy,
		const INT	ngrid,
		const INT	nband,
		const INT	nc,
		INT *	offsets,
		dSTRmat *	A
	)

Allocate STR sparse matrix memory space.

Parameters

nx	Number of grids in x direction
ny	Number of grids in y direction
nz	Number of grids in z direction
nxy	Number of grids in x-y plane
ngrid	Number of grids
nband	Number of off-diagonal bands
nc	Number of components
offsets	Shift from diagonal
A	Pointer to the dSTRmat matrix

Author

Shiquan Zhang, Xiaozhe Hu

Date

05/17/2010

Definition at line 93 of file BlaSparseSTR.c.

fasp_dstr_cp()

void fasp_dstr_cp	(	const dSTRmat *	A,
		dSTRmat *	B
	)

Copy a dSTRmat to a new one B=A.

Parameters

A	Pointer to the dSTRmat matrix
B	Pointer to the dSTRmat matrix

Author

Zhiyang Zhou

Date

04/21/2010

Definition at line 162 of file BlaSparseSTR.c.

fasp_dstr_create()

dSTRmat fasp_dstr_create	(	const INT	nx,
		const INT	ny,
		const INT	nz,
		const INT	nc,
		const INT	nband,
		INT *	offsets
	)

Create STR sparse matrix data memory space.

Parameters

nx	Number of grids in x direction
ny	Number of grids in y direction
nz	Number of grids in z direction
nc	Number of components
nband	Number of off-diagonal bands
offsets	Shift from diagonal

Returns

The dSTRmat matrix

Author

Shiquan Zhang, Xiaozhe Hu

Date

05/17/2010

Definition at line 41 of file BlaSparseSTR.c.

fasp_dstr_free()

void fasp_dstr_free

(

dSTRmat *

A

)

Free STR sparse matrix data memeory space.

Parameters

A	Pointer to the dSTRmat matrix

Author

Shiquan Zhang, Xiaozhe Hu

Date

05/17/2010

Definition at line 136 of file BlaSparseSTR.c.