From f2afc2a08dac667937870e8f7ca1c06547b492f4 Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Sun, 17 Apr 2005 09:09:42 +0000
Subject: [PATCH] Another fix for the Borland hash array code, and get rid of
 my attempt at working around Borland problems with infinity and NaN in the
 hash float functions. It seems impossible to do anything with them.

[SVN r28286]
---
 include/boost/functional/hash/hash.hpp | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/include/boost/functional/hash/hash.hpp b/include/boost/functional/hash/hash.hpp
index b77264e..bcb5530 100644
--- a/include/boost/functional/hash/hash.hpp
+++ b/include/boost/functional/hash/hash.hpp
@@ -211,8 +211,7 @@ namespace boost
 
         for(; first != last; ++first)
         {
-            T& x = *first;
-            hash_combine(seed, x);
+            hash_combine(seed, first[0]);
         }
 
         return seed;
@@ -223,8 +222,7 @@ namespace boost
     {
         for(; first != last; ++first)
         {
-            T const& x = *first;
-            hash_combine(seed, x);
+            hash_combine(seed, first[0]);
         }
     }
 #endif
@@ -259,15 +257,6 @@ namespace boost
         template <class T>
         inline std::size_t float_hash_value(T v)
         {
-#if defined(__BORLAND__)
-            if(v == std::numeric_limits<double>::quiet_NaN())
-                return 0;
-            if(v == std::numeric_limits<double>::infinity())
-                return 1;
-            if(v == -std::numeric_limits<double>::infinity())
-                return 2;
-#endif
-
             int exp;
             v = boost::hash_detail::call_frexp(v, &exp);