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slight modification

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mgebser
2017-01-17 13:31:34 +01:00
parent 664762fdec
commit 18f4a87dd7
1 changed files with 5 additions and 3 deletions
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8
encodings/strips/strips-incremental.lp
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@@ -13,12 +13,15 @@
% Define auxiliary predicates for actions w.r.t. parallel mode
selfdefeat(A,X) :- active(A), precondition(A,X,V), has_condition(A,X,1), _parallel = 1,
not postcondition(A,X,V).
diverge(A1,A2,X) :- active(A1), active(A2), A1 < A2, postcondition(A1,X,V),
has_condition(A2,X,1), not postcondition(A2,X,V),
0 < _parallel, _parallel < 5.
diverge(A1,A2) :- diverge(A1,A2,X).
exclude(A1,A2) :- diverge(A1,A2), precondition(A1,X,V), _parallel != 2,
exclude(A1,A2) :- precondition(A1,X,V), 0 < _parallel, _parallel < 5, _parallel != 2,
has_condition(A2,X,0), not precondition(A2,X,V).
disable(A1,A2) :- active(A1), active(A2), A1 != A2, postcondition(A1,X,V),
@@ -85,8 +88,7 @@ effect(X,t) :- occurs(A,t), postcondition(A,X,V), fluent(X), not precondition(A,
:- _parallel = 1, occurs(A,t), precondition(A,X,V), not has_condition(A,X,1), not holds(X,V,t).
single(X,t) :- occurs(A,t), precondition(A,X,V), _parallel = 1,
has_condition(A,X,1), not postcondition(A,X,V).
single(X,t) :- occurs(A,t), selfdefeat(A,X).
:- single(X,t), #count{A : occurs(A,t), postcondition(A,X,V), not precondition(A,X,V)} > 1.