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function test115
%TEST115 test GB_assign, scalar expansion and zombies, with duplicates
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default') ;
n = 200 ;
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
if (rand (1) > 0.5)
% use non-opaque scalar
Work (k+1).A = sparse (pi) ;
use_GrB_Scalar = 1 ;
else
% use GrB_Scalar
Work (k+1).A = sparse (pi * (rand(1) > 0.5)) ;
use_GrB_Scalar = 2 ;
end
Work (k+1).I = uint64 (irand (1, n, n, 1) - 1) ;
Work (k+1).J = uint64 (irand (1, n, n, 1) - 1) ;
Work (k+1).Mask = sparse (ones (n)) ;
Work (k+1).accum = [ ] ;
Work (k+1).desc = [ ] ;
Work (k+1).scalar = use_GrB_Scalar ;
end
C1 = GB_mex_assign (C, Work) ; % WORK_ASSIGN
C2 = C ;
for k = 1:ntrials
M = Work (k).Mask ;
A = Work (k).A ;
I = double (Work (k).I + 1) ;
J = double (Work (k).J + 1) ;
scalar = Work (k).scalar ;
C2 = GB_spec_subassign (C2, M, [ ], A, I, J, [ ], scalar) ;
end
GB_spec_compare (C1, C2) ;
for C_sparsity = [2 4]
for M_sparsity = [2 4]
ctrl = [C_sparsity M_sparsity] ;
C1 = GB_mex_assign (C, Work, ctrl) ; % WORK_ASSIGN
GB_spec_compare (C1, C2) ;
end
end
fprintf ('\ntest115: all tests passed\n') ;
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