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function test216
%TEST216 test C<A>=A, iso case
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default') ;
% GB_mex_burble (1) ;
n = 100 ;
Cin.matrix = pi * spones (sprand (n, n, 0.5)) ;
Cin.class = 'double' ;
Cin.iso = true ;
Cin.sparsity = 4 ; % C is bitmap
A.matrix = pi * spones (sprand (n, n, 0.5)) ;
A.class = 'double' ;
A.iso = true ;
desc = struct ('mask', 'structural') ;
C1 = GB_mex_assign_alias_mask (Cin, A, [ ]) ;
C2 = GB_spec_assign (Cin, A, [ ], A, [ ], [ ], [ ], false) ;
GB_spec_compare (C1, C2) ;
C1 = GB_mex_assign_alias_mask (Cin, A, desc) ;
C2 = GB_spec_assign (Cin, A, [ ], A, [ ], [ ], desc, false) ;
GB_spec_compare (C1, C2) ;
GB_mex_burble (0) ;
fprintf ('\ntest216: all tests passed\n') ;
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