diff -r 2c42b1505f25 -r a5373b60e66c src/HOL/Library/Library.thy
--- a/src/HOL/Library/Library.thy	Fri Jun 20 20:03:13 2008 +0200
+++ b/src/HOL/Library/Library.thy	Fri Jun 20 21:00:16 2008 +0200
@@ -22,6 +22,7 @@
   Eval
   Eval_Witness
   Executable_Set
+  "../Real/Float"
   FuncSet
   GCD
   Imperative_HOL