diff -r 059dcdda37c5 -r b5e1f017ff41 lemon/radix_sort.h
--- a/lemon/radix_sort.h	Thu Sep 27 13:04:06 2007 +0000
+++ b/lemon/radix_sort.h	Fri Sep 28 12:14:18 2007 +0000
@@ -139,7 +139,7 @@
 
     mask = 0; max_digit = 0;
     for (it = first; it != cut; ++it) {
-      if ((mask | functor(*it)) != ~0) {
+      while ((mask | functor(*it)) != ~0) {
 	++max_digit;
 	mask <<= 1; 
 	mask |= 1;
@@ -149,7 +149,7 @@
 
     mask = ~0; max_digit = 0;
     for (it = cut; it != last; ++it) {
-      if (mask & functor(*it)) {
+      while (mask & functor(*it)) {
 	++max_digit;
 	mask <<= 1;
       }