1function s = isbyrow (A)
2%GRB.ISBYROW true if A is stored by row, false if by column.
3% s = GrB.isbyrow (A) is true if A is stored by row, false if by column.
4% A may be a GraphBLAS matrix or MATLAB matrix (sparse or full).  MATLAB
5% matrices are always stored by column.
6%
7% See also GrB.isbycol, GrB.format.
8
9% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
10% SPDX-License-Identifier: GPL-3.0-or-later
11
12if (isobject (A))
13    A = A.opaque ;
14    s = isequal (gbformat (A), 'by row')  ;
15else
16    s = false ;
17end
18