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Merge branch 'master' of ssh://yap.git.sourceforge.net/gitroot/yap/yap-6.3

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This commit is contained in:
Vitor Santos Costa 2013-02-26 09:33:46 -06:00
commit dbd4c7f50f
1 changed files with 30 additions and 14 deletions
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44
packages/bdd/trie_sp.yap
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@ -7,12 +7,15 @@
:- use_module(library(rbtrees)).
trie_to_bdd(Trie, BDD, MapList) :-
trie_to_list(Trie, Complex),
rb_new(Map0),
complex_to_andor(Complex,Map0,Map,Tree),
rb_visit(Map, MapList),
extract_vars(MapList, Vs),
bdd_new(Tree, Vs, BDD).
%trie_print(Trie),
trie_to_list(Trie, Complex),
%(numbervars(Complex,1,_), writeln(Complex), fail ; true ),
rb_new(Map0),
complex_to_andor(Complex,Map0,Map,Tree),
%(numbervars(Tree,1,_), writeln(Tree), fail ; true ),
rb_visit(Map, MapList),
extract_vars(MapList, Vs),
bdd_new(Tree, Vs, BDD).
tabled_trie_to_bdd(Trie, BDD, MapList) :-
trie_to_list(Trie, Complex),
@ -40,15 +43,28 @@ complex_to_andor([Els], Map0, MapF, V) :-
complex_to_and(Els, Map0, MapF, V).
complex_to_and(int(A1,[endlist]), Map0, MapF, V) :- !,
check(Map0, A1, V, MapF).
check(Map0, A1, V, MapF).
complex_to_and(functor(not,1,[int(A1,[endlist])]), Map0, MapF, not(V)) :- !,
check(Map0, A1, V, MapF).
complex_to_and(int(A1,Els), Map0, MapF, and(V,T2)) :-
check(Map0, A1, V, MapI),
complex_to_andor(Els, MapI, MapF, T2).
complex_to_and(functor(not,1,[int(A1,Els)]), Map0, MapF, and(not(V),T2)) :-
check(Map0, A1, V, MapI),
complex_to_andor(Els, MapI, MapF, T2).
check(Map0, A1, V, MapF).
complex_to_and(int(A1,Els), Map0, MapF, and(V,T2)) :- !,
check(Map0, A1, V, MapI),
complex_to_andor(Els, MapI, MapF, T2).
complex_to_and(functor(not,1,[int(A1,Els)]), Map0, MapF, and(not(V),T2)) :- !,
check(Map0, A1, V, MapI),
complex_to_andor(Els, MapI, MapF, T2).
% HASH TABLE, it can be an OR or an AND.
complex_to_and(functor(not,1,[int(A1,Els)|More]), Map0, MapF, or(NOTV1,O2)) :-
check(Map0, A1, V, MapI),
(Els == [endlist]
->
NOTV1 = not(V),
MapI = MapI2
;
complex_to_andor(Els, MapI, MapI2, T2),
NOTV1 = and(not(V), T2)
),
complex_to_and(functor(not,1,More), MapI2, MapF, O2).
tabled_complex_to_andor(T, Map, Map, Tab, Tab, V) :-
rb_lookup(T, V, Tab), !,