From 995370c90409a6aa860054beca5c404970058b8a Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Tue, 19 Sep 2017 12:24:36 +0100
Subject: [PATCH] Use is_zero workaround on clang

The same warning appears on clang for windows, but the workaround wasn't
used because the gcc macro wasn't defined.
---
 include/boost/functional/hash/detail/hash_float.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/functional/hash/detail/hash_float.hpp b/include/boost/functional/hash/detail/hash_float.hpp
index 9fb8168..1816c57 100644
--- a/include/boost/functional/hash/detail/hash_float.hpp
+++ b/include/boost/functional/hash/detail/hash_float.hpp
@@ -241,7 +241,7 @@ namespace boost
         template <class T>
         inline bool is_zero(T v)
         {
-#if !defined(__GNUC__)
+#if !defined(__GNUC__) && !defined(__clang__)
             return v == 0;
 #else
             // GCC's '-Wfloat-equal' will complain about comparing