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function test109
%TEST109 terminal monoid with user-defined type
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
fprintf ('\ntest109: terminal monoid with user-defined type\n') ;
for k = [false true]
fprintf ('builtin_complex: %d\n', k) ;
GB_builtin_complex_set (k) ;
rng ('default') ;
A = sparse (rand (4) + 1i * rand (4)) ;
[i j x] = find (A) ;
s = prod (prod (x)) ;
A
t = GB_mex_reduce_complex (A) ;
err = norm (s-t) ;
assert (err < 1e-12)
A (3,1) = 0 ;
[i j x] = find (A) ;
s = prod (prod (x)) ;
t = GB_mex_reduce_complex (A) ;
err = norm (s-t) ;
assert (err < 1e-12)
t = GB_mex_reduce_complex (A, 4) ;
assert (t == 0)
end
GB_builtin_complex_set (true) ;
fprintf ('\ntest109: all tests passed\n') ;
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