From 5bdae3b096bbab73eba5afcfe5a8cbbeb00c8cb0 Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Sat, 11 Feb 2006 21:15:15 +0000
Subject: [PATCH] In hash_float, only use _fpclass on Visual C++, I'll find out
 about other compilers later.

[SVN r32833]
---
 include/boost/functional/detail/hash_float.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/functional/detail/hash_float.hpp b/include/boost/functional/detail/hash_float.hpp
index ecb48cd..1811efe 100644
--- a/include/boost/functional/detail/hash_float.hpp
+++ b/include/boost/functional/detail/hash_float.hpp
@@ -20,7 +20,7 @@
 #include <boost/assert.hpp>
 #include <errno.h>
 
-#if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && !defined(__DMC__)
+#if defined(BOOST_MSVC)
 #  define BOOST_HASH_USE_FPCLASS
 #elif (defined(__GLIBCPP__) || defined(__GLIBCXX__)) \
     && (defined(__USE_ISOC99) || defined(_GLIBCXX_USE_C99_MATH))