From c77b1c73c014d2488ac3e4beeef2c8d22f034e32 Mon Sep 17 00:00:00 2001
From: John McFarlane <github@john.mcfarlane.name>
Date: Tue, 9 Aug 2016 08:47:50 -0700
Subject: [PATCH] fixes operator precedence error

---
 include/interval.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/interval.hpp b/include/interval.hpp
index 6dc356c..172a851 100644
--- a/include/interval.hpp
+++ b/include/interval.hpp
@@ -402,7 +402,7 @@ constexpr bool operator!=(
     const interval<T> & t,
     const interval<U> & u
 ){
-    return ! t == u;
+    return ! (t == u);
 }
 
 template<typename T, typename U>