From c36c76cf094f43f4c7565819f861bbb5971ecac2 Mon Sep 17 00:00:00 2001
From: hanwen <hanwen>
Date: Fri, 15 Oct 2004 09:31:05 +0000
Subject: [PATCH] (enum Direction): add DIRECTION_LIMIT

---
 ChangeLog                   |  9 +++++++++
 flower/include/direction.hh | 11 +++++++++++
 2 files changed, 20 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 7f78d444c7..75b088ebbc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2004-10-15  Han-Wen Nienhuys  <hanwen@xs4all.nl>
+
+	* flower/include/direction.hh (enum Direction): add
+	DIRECTION_LIMIT
+
+2004-10-14  Han-Wen Nienhuys  <hanwen@xs4all.nl>
+
+	* po/fr.po: new po file.
+
 2004-10-15  Jan Nieuwenhuizen  <janneke@gnu.org>
 
 	* Documentation/user/macros.itexi: Do not construct external
diff --git a/flower/include/direction.hh b/flower/include/direction.hh
index 0572f786ce..aa0a28f211 100644
--- a/flower/include/direction.hh
+++ b/flower/include/direction.hh
@@ -25,6 +25,17 @@ enum Direction
   BIGGER=1,
   START = -1,
   STOP = 1,
+
+  /*
+    This is necessary to safely write loops,
+    since
+    
+      dir <= RIGHT
+
+    is otherwise transformed into true unconditionally.
+   */
+  DIRECTION_LIMIT = 2,
+  DIRECTION_NEG_LIMIT = -2,
 };
 
 inline Direction
-- 
2.39.5