Index: src/statistics.cpp
===================================================================
RCS file: /cvsroot/wesnoth/wesnoth/src/statistics.cpp,v
retrieving revision 1.18
diff -u -r1.18 statistics.cpp
--- src/statistics.cpp	20 Jul 2005 08:22:37 -0000	1.18
+++ src/statistics.cpp	10 Aug 2005 12:00:30 -0000
@@ -307,10 +307,16 @@
 		attacker_stats().damage_inflicted += bat_stats.damage_defender_takes;
 		defender_stats().damage_taken += bat_stats.damage_defender_takes;
 	}
-	attacker_stats().expected_damage_inflicted +=
-		bat_stats.damage_defender_takes * bat_stats.chance_to_hit_defender;
-	defender_stats().expected_damage_taken +=
-		bat_stats.damage_defender_takes * bat_stats.chance_to_hit_defender;
+	{
+		const double evd = bat_stats.damage_defender_takes
+				* bat_stats.chance_to_hit_defender;
+		int evdi = (int)evd;
+		// randomly approximate fractions
+		if (100.0*(evd - evdi) <= rand()%100)
+			++evdi;
+		attacker_stats().expected_damage_inflicted += evdi;
+		defender_stats().expected_damage_taken += evdi;
+	}
 
 	if(res == KILLS) {
 		attacker_stats().killed[defender_type]++;