lis_matrix_get_nnz - Man Page

#include "lis.h"

LIS_INT lis_matrix_get_nnz(LIS_MATRIX A, LIS_INT *nnz);

Get the number of nonzero elements of matrix A.

A

The matrix

nnz

The number of nonzero elements

The following exit values are returned:

0

The process is normally terminated

unspecified

An error occurred

For the multiprocessing environment, this function gets the number of nonzero elements of partial matrix A.

lis(3)

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