From: Petr Baudis <pasky@ucw.cz>
Date: Sun, 12 Aug 2012 12:18:41 +0000 (+0200)
Subject: UCT virtual_loss: Allow setting virtual_loss to arbitrary values
X-Git-Tag: pachi-10.00-satsugen~6
X-Git-Url: https://repo.or.cz/w/pachi.git/commitdiff_plain/96fceb38d818c59907c219b16316bd50f6f6ae9c

UCT virtual_loss: Allow setting virtual_loss to arbitrary values
---

diff --git a/uct/uct.c b/uct/uct.c
index d904640..c18cf06 100644
--- a/uct/uct.c
+++ b/uct/uct.c
@@ -824,9 +824,9 @@ uct_state_init(char *arg, struct board *b)
 					fprintf(stderr, "UCT: Invalid thread model %s\n", optval);
 					exit(1);
 				}
-			} else if (!strcasecmp(optname, "virtual_loss")) {
+			} else if (!strcasecmp(optname, "virtual_loss") && optval) {
 				/* Number of virtual losses added before evaluating a node. */
-				u->virtual_loss = !optval || atoi(optval);
+				u->virtual_loss = atoi(optval);
 			} else if (!strcasecmp(optname, "pondering")) {
 				/* Keep searching even during opponent's turn. */
 				u->pondering_opt = !optval || atoi(optval);