1function test138
2%TEST138 test assign, with coarse-only tasks in IxJ slice
3
4% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
5% SPDX-License-Identifier: Apache-2.0
6
7rng ('default') ;
8
9[save_nthreads save_chunk] = nthreads_get ;
10nthreads_set (2,1) ;
11
12n = 1000 ;
13k = 100 ;
14C = sparse (rand (n)) ;
15
16I = randperm (n,k) ;
17J = randperm (n,k) ;
18I0 = uint64 (I) - 1 ;
19J0 = uint64 (J) - 1 ;
20
21scalar = sparse (pi) ;
22
23C0 = C ;
24C0 (I,J) = scalar ;
25
26C1 = GB_mex_assign  (C, [ ], [ ], scalar, I0, J0, [ ], 0) ;
27C2 = GB_spec_assign (C, [ ], [ ], scalar, I , J , [ ], true) ;
28GB_spec_compare (C1, C2) ;
29assert (isequal (C0, C1.matrix)) ;
30
31