Index: crm_osb_hyperspace.c
--- crm_osb_hyperspace.c.orig	2006-11-03 16:19:12 +0100
+++ crm_osb_hyperspace.c	2006-11-04 20:32:00 +0100
@@ -1290,7 +1290,7 @@
 
 		//    Proper pythagorean (Euclidean) distance - best in
 		//   SpamConf 2006 paper
-		dist = sqrtf (unotk + knotu) ;
+		dist = (double)sqrt ((double)(unotk + knotu)) ;
 
 		//    treat kandu better... count matches like mismatches
 		//     5/500 pass 1 (0 thk)