BlaSpmvSTR.c File Reference

Linear algebraic operations for dSTRmat matrices. More...

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

Go to the source code of this file.

Functions
void	fasp_blas_dstr_aAxpy (const REAL alpha, const dSTRmat *A, const REAL *x, REAL *y)
	Matrix-vector multiplication y = alpha*A*x + y. More...
void	fasp_blas_dstr_mxv (const dSTRmat *A, const REAL *x, REAL *y)
	Matrix-vector multiplication y = A*x. More...
INT	fasp_blas_dstr_diagscale (const dSTRmat *A, dSTRmat *B)
	B=D^{-1}A. More...

Detailed Description

Linear algebraic operations for dSTRmat matrices.

Note

This file contains Level-1 (Bla) functions. It requires: AuxArray.c, AuxMemory.c, AuxThreads.c, BlaSmallMatInv.c, BlaSmallMat.c, and BlaSparseSTR.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 BlaSpmvSTR.c.

Function Documentation

fasp_blas_dstr_aAxpy()

void fasp_blas_dstr_aAxpy	(	const REAL	alpha,
		const dSTRmat *	A,
		const REAL *	x,
		REAL *	y
	)

Matrix-vector multiplication y = alpha*A*x + y.

Parameters

alpha	REAL factor alpha
A	Pointer to dSTRmat matrix
x	Pointer to REAL array
y	Pointer to REAL array

Author

Zhiyang Zhou, Xiaozhe Hu, Shiquan Zhang

Date

2010/10/15

Definition at line 61 of file BlaSpmvSTR.c.

fasp_blas_dstr_diagscale()

INT fasp_blas_dstr_diagscale	(	const dSTRmat *	A,
		dSTRmat *	B
	)

B=D^{-1}A.

Parameters

A	Pointer to a 'dSTRmat' type matrix A
B	Pointer to a 'dSTRmat' type matrix B

Author

Shiquan Zhang

Date

2010/10/15

Modified by Chunsheng Feng, Zheng Li on 08/30/2012

Definition at line 155 of file BlaSpmvSTR.c.

fasp_blas_dstr_mxv()

void fasp_blas_dstr_mxv	(	const dSTRmat *	A,
		const REAL *	x,
		REAL *	y
	)

Matrix-vector multiplication y = A*x.

Parameters

A	Pointer to dSTRmat matrix
x	Pointer to REAL array
y	Pointer to REAL array

Author

Chensong Zhang

Date

04/27/2013

Definition at line 131 of file BlaSpmvSTR.c.