function test163
%TEST163 test C<!M>=A'*B where C and M are sparse

% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0

semiring.add = 'plus' ;
semiring.multiply = 'times' ;
semiring.class = 'double' ;

rng ('default') ;

n = 1000 ;
m = 10 ;
A = sprand (m, n, 0.1) ;
B = sprand (m, n, 0.1) ;
M = logical (sprand (n, n, 0.1)) ;
Cin = sparse (n, n) ;
dtn = struct ('inp0', 'tran', 'mask', 'complement', 'axb', 'dot') ;

C1 = double (~M) .* (A'*B) ;
C2 = GB_mex_mxm (Cin, M, [ ], semiring, A, B, dtn) ;
GB_spec_compare (C1, C2) ;

