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function test97
%TEST97 test GB_assign, scalar expansion and zombies
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default') ;
n = 20 ;
C = sparse (rand (n)) ;
C (:,1) = sparse (rand (n,1) > 0.5) ;
ntrials = 10 ;
for k = 1:2:ntrials
% make some zombies
Work (k).A = sprandn (n, n, 0.1) ;
Work (k).I = [ ] ;
Work (k).J = [ ] ;
Work (k).Mask = sparse (ones (n)) ;
Work (k).accum = [ ] ;
Work (k).desc = [ ] ;
Work (k).scalar = 0 ;
% scalar expansion
Work (k+1).A = sparse (pi) ;
Work (k+1).I = [ ] ;
Work (k+1).J = [ ] ;
Work (k+1).Mask = sparse (ones (n)) ;
Work (k+1).accum = [ ] ;
Work (k+1).desc = [ ] ;
Work (k+1).scalar = 1 ;
end
C1 = GB_mex_assign (C, Work) ; % WORK_ASSIGN
C2 = C ;
for k = 1:ntrials
M = Work (k).Mask ;
A = Work (k).A ;
scalar = Work (k).scalar ;
C2 = GB_spec_subassign (C2, M, [ ], A, [ ], [ ], [ ], scalar) ;
end
GB_spec_compare (C1, C2) ;
fprintf ('\ntest97: all tests passed\n') ;
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