From 15b34d0bf4c16304adabe38bd7671aa0653233a9 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Mon, 22 Oct 2007 19:37:05 +0000
Subject: [PATCH 1/2] Fix warnings from GCC 4.3. Fixes #1337

[SVN r40299]
---
 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));
 }
 
 /**

From 24117db3aea17b43e6d312286ada392cecf02296 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Fri, 25 Jan 2008 21:07:14 +0000
Subject: [PATCH 2/2] Include <ios> to get std::boolalpha. Fixes #1586

[SVN r42972]
---
 test/tribool_io_test.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/tribool_io_test.cpp b/test/tribool_io_test.cpp
index d7254f1..84bce90 100644
--- a/test/tribool_io_test.cpp
+++ b/test/tribool_io_test.cpp
@@ -8,6 +8,7 @@
 #include <sstream>
 #include <string>
 #include <iostream>
+#include <ios>     // for std::boolalpha
 
 #ifndef BOOST_NO_STD_LOCALE
 #  include <locale>