--- linear_congruential.hpp.orig	2008-07-21 16:13:54.000000000 +0800
+++ linear_congruential.hpp	2009-01-20 12:42:50.000000000 +0800
@@ -65,7 +65,9 @@
   }
 
   template<class It>
-  linear_congruential(It& first, It last) { seed(first, last); }
+  linear_congruential(It& first, It last)
+    : _modulus(modulus)
+  { seed(first, last); }
 
   // compiler-generated copy constructor and assignment operator are fine
   void seed(IntType x0 = 1)