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45 lines
925 B
Mathematica
45 lines
925 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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%
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% Test constraint propagation.
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:- module constraint.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is det.
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:- implementation.
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:- import_module list.
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main(!IO) :-
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benchmark([1, 16, 100, 15, 20], Found),
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io.write_string(Found, !IO).
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:- pred benchmark(list(int), string).
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:- mode benchmark(in, out) is det.
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% Disable unrolling of the loop.
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:- pragma no_inline(benchmark/2).
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benchmark(Data, Out) :-
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( if mymember(X, Data), test(X) then
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Out = "found"
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else
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Out = "not_found"
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).
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:- pred mymember(int, list(int)).
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:- mode mymember(out, in) is nondet.
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mymember(X, [X | _]).
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mymember(X, [_ | Xs]) :- mymember(X, Xs).
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:- pred test(int).
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:- mode test(in) is semidet.
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test(15).
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