From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Sun, 18 Mar 2012 21:20:37 +0000 (+0100)
Subject: Fix update_prior_sigma(); it should not have anything to do with the matches.
X-Git-Url: https://git.sesse.net/?p=wloh;a=commitdiff_plain;h=2a36ea11f407c56da2323d4b235b60dfcafc7110

Fix update_prior_sigma(); it should not have anything to do with the matches.
---

diff --git a/bayeswf.cpp b/bayeswf.cpp
index f2047bb..62fc9c8 100644
--- a/bayeswf.cpp
+++ b/bayeswf.cpp
@@ -196,20 +196,10 @@ void update_prior_sigma(float *mu, float *sigma, int num_players)
 {
 	float nom = 0.0f, denom = 0.0f;
 	for (int i = 0; i < num_players; ++i) {
-		for (unsigned j = 0; j < matches_for_player[i].size(); ++j) {
-			const match& m = matches_for_player[i][j];
+		float mu1 = mu[i];
 
-			// Only count each match once.
-			if (m.other_player <= i) {
-				continue;
-			}
-
-			float mu1 = mu[i];
-
-			float w = m.weight;
-			nom += w * ((mu1 - PRIOR_MU) * (mu1 - PRIOR_MU));
-			denom += w * 1.0f;
-		}
+		nom += ((mu1 - PRIOR_MU) * (mu1 - PRIOR_MU));
+		denom += 1.0f;
 	}
 
 	prior_sigma = sqrt(nom / denom);