diogo/yap-6.3
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fix cases where you get repeated keys or a(X,X) keys in PFL.

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Vitor Santos Costa
2013-01-09 18:22:01 +00:00
parent 46fbc539bf
commit 6cee85bd60
2 changed files with 10 additions and 6 deletions
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9
packages/CLPBN/pfl.yap
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@@ -153,12 +153,15 @@ process_arg(Sk, Id, _I) -->
new_skolem(Sk,D) :-
copy_term(Sk, Sk1),
skolem(Sk1, D1),
Sk1 =@= Sk,
functor(Sk1,N,A),
functor(Sk ,N,A),
!,
( D1 = D -> true ; throw(pfl(permission_error(redefining_domain(Sk),D:D1)))).
new_skolem(Sk,D) :-
interface_predicate(Sk),
assert(skolem(Sk, D)).
functor(Sk ,N,A),
functor(NSk ,N,A),
interface_predicate(NSk),
assert(skolem(NSk, D)).
interface_predicate(Sk) :-
Sk =.. SKAs,