From 60f1dc0764ba6c9a138fbd8976a2a2961564196c Mon Sep 17 00:00:00 2001 From: Benjamin Franzke Date: Thu, 8 Nov 2012 10:57:43 +0100 Subject: naive_prober: Use if-then-else for random decision too --- naive_prober.pl | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/naive_prober.pl b/naive_prober.pl index 946dd0d..dde376d 100644 --- a/naive_prober.pl +++ b/naive_prober.pl @@ -1,14 +1,8 @@ % Naive Prober: Like Tit for Tat, but sometimes, after the % opponent has cooperated, it defects (e.g. at random, in % one of ten rounds in average). - -naive_prober_random(Number, d):-Number < 0.1,!. -naive_prober_random(_, c). - -% Use opponents last decision naive_prober([d|_],d,_,_). % but only for for 90% if coorporated -naive_prober([c|_],Choice,_,_):- - random(Number), naive_prober_random(Number, Choice). +naive_prober([c|_],Choice,_,_):-random(Number), (Number < 0.1 -> Choice=d; Choice=c). % Fallback to coorporate if history is empty. naive_prober([],c,_,_). -- cgit