diff options
Diffstat (limited to 'tit4tat.pl')
| -rw-r--r-- | tit4tat.pl | 47 |
1 files changed, 1 insertions, 46 deletions
@@ -1,29 +1,4 @@ -/* - * Copyright (c) 2012 Benjamin Franzke <benjaminfranzke@googlemail.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -:-initialization(start). - -pay(c,d,1). -pay(d,d,2). -pay(c,c,3). -pay(d,c,4). - -pay2(A, B, PayA, PayB) :- pay(A, B, PayA), pay(B, A, PayB). - +% % Use opponents last decision tit4tat_select(H,[H|_]). % Fallback to coorporate at beginning @@ -32,23 +7,3 @@ tit4tat_select(c,[]). tit4tat(A, Hist, PayA, PayB) :- tit4tat_select(Old, Hist), pay2(A, Old, PayA, PayB). - -sum([], 0). -sum([H|T], S) :- sum(T, TMP), S is TMP + H. - -do(e, _, _, _) :- !. -do(Choice, Hist, PayedA, PayedB) :- - tit4tat(Choice, Hist, PayA, PayB), - - write('A Pay: '), write(PayA), write('\t'), - write('B Pay: '), write(PayB), write('\t'), - write('A: '), sum([PayA|PayedA], SumA), write(SumA), write('\t'), - write('B: '), sum([PayB|PayedB], SumB), write(SumB), nl, - - loop([Choice|Hist], [PayA|PayedA], [PayB|PayedB]). - -loop(Hist, PayedA, PayedB) :- - write('Type c,d or e to end: '), read(Choice), - do(Choice, Hist, PayedA, PayedB). - -start :- loop([], [], []), halt. |