colors

commit 6c51568b90317998a4ef71291125769d3c467211
parent 51562c331a25a3c3548fb5d4d84cd9fd31aeafb2
Author: sin <sin@2f30.org>
Date:   Fri, 12 Jun 2015 14:58:50 +0100

Bump freq from int to long

There are cases where freq can have very large values (30-40 million
or so).  The loop in adjmeans() can overflow because the multiplication
happens with int types.

This bug made the algorithm not converge for some data sets.

Diffstat:
M
colors.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/colors.c b/colors.c
@@ -17,7 +17,7 @@ struct point {
 	int x;
 	int y;
 	int z;
-	int freq;
+	long freq;
 	struct cluster *c;
 	TAILQ_ENTRY(point) e;
 	RB_ENTRY(point) rb_e;