lis_array_matvec man page

lis_array_matvec — calculate the matrix vector product

Synopsis

#include "lis.h"

LIS_INT lis_array_matvec(LIS_INT n, LIS_SCALAR a[], LIS_SCALAR x[], LIS_SCALAR y[], LIS_INT op);

Description

Calculate the matrix-vector product Ax.

Input

n
The size of the matrix and vectors
a
The array that stores matrix A of size n * n
x
The array that stores vector x of size n
y
The array that stores vector y of size n
op
LIS_INS_VALUE
y = Ax
LIS_SUB_VALUE
y = y - Ax

Output

y
y

Exit Status

The following exit values are returned:

0
The process is normally terminated
unspecified
An error occurred

See Also

lis(3)

http://www.ssisc.org/lis/

Info

3 Dec 2014 Man Page Lis Library Functions