BlaSparseCOO.c File Reference

Sparse matrix operations for dCOOmat matrices. More...

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

Go to the source code of this file.

Functions
dCOOmat	fasp_dcoo_create (const INT m, const INT n, const INT nnz)
	Create IJ sparse matrix data memory space. More...
void	fasp_dcoo_alloc (const INT m, const INT n, const INT nnz, dCOOmat *A)
	Allocate COO sparse matrix memory space. More...
void	fasp_dcoo_free (dCOOmat *A)
	Free IJ sparse matrix data memory space. More...
void	fasp_dcoo_shift (dCOOmat *A, const INT offset)
	Re-index a REAL matrix in IJ format to make the index starting from 0 or 1. More...

Detailed Description

Sparse matrix operations for dCOOmat matrices.

Note

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

Function Documentation

fasp_dcoo_alloc()

void fasp_dcoo_alloc	(	const INT	m,
		const INT	n,
		const INT	nnz,
		dCOOmat *	A
	)

Allocate COO sparse matrix memory space.

Parameters

m	Number of rows
n	Number of columns
nnz	Number of nonzeros
A	Pointer to the dCSRmat matrix

Author

Xiaozhe Hu

Date

03/25/2013

Definition at line 70 of file BlaSparseCOO.c.

fasp_dcoo_create()

dCOOmat fasp_dcoo_create	(	const INT	m,
		const INT	n,
		const INT	nnz
	)

Create IJ sparse matrix data memory space.

Parameters

m	Number of rows
n	Number of columns
nnz	Number of nonzeros

Returns

A The new dCOOmat matrix

Author

Chensong Zhang

Date

2010/04/06

Definition at line 42 of file BlaSparseCOO.c.

fasp_dcoo_free()

void fasp_dcoo_free

(

dCOOmat *

A

)

Free IJ sparse matrix data memory space.

Parameters

A	Pointer to the dCOOmat matrix

Author

Chensong Zhang

Date

2010/04/03

Definition at line 102 of file BlaSparseCOO.c.

fasp_dcoo_shift()

void fasp_dcoo_shift	(	dCOOmat *	A,
		const INT	offset
	)

Re-index a REAL matrix in IJ format to make the index starting from 0 or 1.

Parameters

A	Pointer to IJ matrix
offset	Size of offset (1 or -1)

Author

Chensong Zhang

Date

2010/04/06

Modified by Chunsheng Feng, Zheng Li on 08/25/2012

Definition at line 124 of file BlaSparseCOO.c.