From 02caed268b62fd832dbe08158816ff9fd5d2c1ef Mon Sep 17 00:00:00 2001
From: Beman Dawes <bdawes@acm.org>
Date: Sun, 25 Nov 2007 18:07:19 +0000
Subject: [PATCH] Full merge from trunk at revision 41356 of entire boost-root
 tree.

[SVN r41369]
---
 include/boost/logic/tribool.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/logic/tribool.hpp b/include/boost/logic/tribool.hpp
index 2cc501c..229feb4 100644
--- a/include/boost/logic/tribool.hpp
+++ b/include/boost/logic/tribool.hpp
@@ -336,7 +336,7 @@ inline tribool operator==(tribool x, tribool y)
   if (indeterminate(x) || indeterminate(y))
     return indeterminate;
   else
-    return x && y || !x && !y;
+    return (x && y) || (!x && !y);
 }
 
 /**
@@ -399,7 +399,7 @@ inline tribool operator!=(tribool x, tribool y)
   if (indeterminate(x) || indeterminate(y))
     return indeterminate;
   else
-    return !(x && y || !x && !y);
+    return !((x && y) || (!x && !y));
 }
 
 /**