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function test183
%TEST183 test GrB_eWiseMult with a hypersparse mask
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
[~, ~, ~, types, ~, ~] = GB_spec_opsall ;
types = types.all ;
fprintf ('test183 -----------eWiseMult with hypersparse mask\n') ;
n = 10 ;
rng ('default') ;
dtt = struct ( 'inp0', 'tran', 'inp1', 'tran' ) ;
op.opname = 'times' ;
op.optype = 'double' ;
tol = 1e-12 ;
% for trial = 1:5
A = GB_spec_random (n, n, inf, 1, 'double') ;
A.matrix (1,1) = 0 ;
A.pattern = logical (A.matrix) ;
A.pattern (1,1) = false ;
A.sparsity = 2 ; % sparse
B = GB_spec_random (n, n, inf, 1, 'double') ;
B.sparsity = 2 ; % sparse
M = GB_spec_random (n, n, 0.001, 1, 'logical') ;
M.sparsity = 1 ; % hypersparse
C = sparse (n, n) ;
%---------------------------------------
% A'.*B', with mask
%---------------------------------------
C0 = GB_spec_Matrix_eWiseMult (C, M, [ ], op, A, B, dtt) ;
C1 = GB_mex_Matrix_eWiseMult (C, M, [ ], op, A, B, dtt) ;
GB_spec_compare (C0, C1, 0, tol) ;
% end
fprintf ('\ntest183: all tests passed\n') ;
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