1function gbtest49
2%GBTEST49 test GrB.prune
3
4% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
5% SPDX-License-Identifier: GPL-3.0-or-later
6
7rng ('default') ;
8
9for trial = 1:40
10
11    A = rand (4) ;
12    A (A > .5) = 0 ;
13    A (1,1) = 1 ;
14    G = GrB (A) ;
15
16    C0 = sparse (A) ;
17    C1 = GrB.prune (A) ;
18    C2 = GrB.prune (G) ;
19    assert (isequal (C0, C1)) ;
20    assert (isequal (C0, C2)) ;
21
22    C0 = sparse (A) ;
23    C0 (1,1) = 0 ; %#ok<*SPRIX>
24    C1 = GrB.prune (A, 1) ;
25    C2 = GrB.prune (G, 1) ;
26    assert (isequal (C0, double (C1))) ;
27    assert (isequal (C0, double (C2))) ;
28
29end
30
31fprintf ('gbtest49: all tests passed\n') ;
32
33