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fix foldl2

This commit is contained in:
Vítor Santos Costa 2014-03-18 17:27:56 +00:00
parent 0e1b1dd4bc
commit f0d8ee91d0
1 changed files with 2 additions and 2 deletions
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4
library/maplist.yap
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@ -340,7 +340,7 @@ foldl2_([H|T], Goal, V0, V, W0, W) :-
foldl2(Goal, List1, List2, V0, V, W0, W) :-
foldl2_(List1, List2, Goal, V0, V, W0, W).
foldl2_([], [], [], V, V, W, W).
foldl2_([], [], _Goal, V, V, W, W).
foldl2_([H1|T1], [H2|T2], Goal, V0, V, W0, W) :-
call(Goal, H1, H2, V0, V1, W0, W1),
foldl2_(T1, T2, Goal, V1, V, W1, W).
@ -348,7 +348,7 @@ foldl2_([H1|T1], [H2|T2], Goal, V0, V, W0, W) :-
foldl2(Goal, List1, List2, List3, V0, V, W0, W) :-
foldl2_(List1, List2, List3, Goal, V0, V, W0, W).
foldl2_([], [], [], [], V, V, W, W).
foldl2_([], [], [], _Goal, V, V, W, W).
foldl2_([H1|T1], [H2|T2], [H3|T3], Goal, V0, V, W0, W) :-
call(Goal, H1, H2, H3, V0, V1, W0, W1),
foldl2_(T1, T2, T3, Goal, V1, V, W1, W).