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function gbtest4
%GBTEST4 list all semirings
% This count excludes operator synonyms ('1st' and 'first', for example),
% but it does include identical semirings with operators of different
% names. For example, the spec has many boolean operators with different
% names but they compute the same thing.
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
types = gbtest_types ;
ops = gbtest_binops ;
nsemirings = 0 ;
for k1 = 1:length (ops)
add = ops {k1} ;
for k2 = 1:length (ops)
mult = ops {k2} ;
for k3 = 1:length (types)
type = types {k3} ;
s = [add '.' mult] ;
semiring = [s '.' type] ;
fprintf ('\n================================ %s\n', semiring) ;
try
GrB.semiringinfo (semiring) ;
GrB.semiringinfo (s, type) ;
nsemirings = nsemirings + 1 ;
catch
% this is an error, but it is expected since not all
% combinations operators and types can be used to construct
% a valid semiring.
end
end
end
end
fprintf ('\n') ;
GrB.semiringinfo
fprintf ('number of semirings: %d\n', nsemirings) ;
assert (nsemirings == 2589) ;
fprintf ('\ngbtest4: all tests passed\n') ;
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