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44 lines
885 B
Mathematica
44 lines
885 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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% This test case checks whether we get incorrect answers
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% when a consumer gets suspended inside solutions.
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:- module consumer_in_solutions.
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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 int.
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:- import_module list.
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:- import_module pair.
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:- import_module solutions.
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:- pragma require_feature_set([memo]).
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main(!IO) :-
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solutions(q, Solns),
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io.write(Solns, !IO),
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io.write_string("\n", !IO).
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:- pragma minimal_model(q/1).
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:- pred q(pair(int, list(int))).
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:- mode q(out) is nondet.
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q(X - L) :-
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p(X),
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solutions(p, L).
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:- pragma minimal_model(p/1).
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:- pred p(int).
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:- mode p(out) is nondet.
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p(1).
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p(2).
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p(3).
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