Index: src/examples/rational.c
===================================================================
--- src/examples/rational.c	(revision 53ba273db2dfa4a4d251429b05f17a6400ed7f1e)
+++ src/examples/rational.c	(revision 3d9b5dab248af2c0f972053139d0a12c951786d0)
@@ -11,10 +11,11 @@
 // Created On       : Mon Mar 28 08:43:12 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Wed Apr  6 18:02:02 2016
-// Update Count     : 19
+// Last Modified On : Thu Apr  7 17:25:44 2016
+// Update Count     : 20
 // 
 
 #include <limits>
 #include <rational>
+#include <fstream>
 
 int main() {