lis_array_matvec_ns - Man Page

#include "lis.h"

LIS_INT lis_array_matvec_ns(LIS_INT m, LIS_INT n, LIS_SCALAR a[], LIS_INT lda, LIS_SCALAR x[], LIS_SCALAR y[]);

Calculate the matrix-vector product Ax, where matrix A is not square.

m, n

The size of the matrix and vectors

a

The array that stores matrix A of size m * n

x

The array that stores vector x of size n

y

The array that stores vector y of size m

op

LIS_INS_VALUE

y = Ax

LIS_SUB_VALUE

y = y - Ax

y

y

The following exit values are returned:

0

The process is normally terminated

unspecified

An error occurred

lis(3)

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