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function test221
%TEST221 test C += A where C is bitmap and A is full
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default') ;
GrB.burble (1) ;
n = 10 ;
Cin.matrix = spones (sprand (n, n, 0.5)) ;
Cin.sparsity = 4 ;
Cin.iso = true ;
A.matrix = sparse (rand (n, n)) ;
A.sparsity = 8 ;
accum.opname = 'plus' ;
accum.optype = 'double' ;
C1 = GB_mex_assign (Cin, [ ], accum, A, [ ], [ ], [ ]) ;
C2 = GB_spec_assign (Cin, [ ], accum, A, [ ], [ ], [ ], false) ;
GB_spec_compare (C1, C2) ;
GrB.burble (0) ;
fprintf ('\ntest221: all tests passed\n') ;
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