Logtalk 2.21.3 files.

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1164 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

Logtalk/examples/benchmarks/module.pl

@@ -0,0 +1,28 @@
+
+% you may need to update the module directive that follows for 
+% compatibility with your Prolog compiler module system
+
+:- module(module, [mod_length/2]).
+
+
+mod_length(List, Length) :-
+	integer(Length) ->
+		Length >= 0,
+		mod_make_list(Length, List)
+		;
+		mod_length(List, 0, Length).
+
+
+mod_make_list(0, []):-
+	!.
+
+mod_make_list(N, [_| Tail]):-
+	M is N-1,
+	mod_make_list(M, Tail).
+
+
+mod_length([], Length, Length).
+
+mod_length([_| Tail], Acc, Length) :-
+	Acc2 is Acc + 1,
+	mod_length(Tail, Acc2, Length).