From 00413c9689a9a21673027be8b43ecff229894ddb Mon Sep 17 00:00:00 2001
From: jzmaddock <jzmaddock@gmail.com>
Date: Thu, 20 Mar 2014 17:45:20 +0000
Subject: [PATCH] Fix constexpr issue with gcc-4.6.x

---
 include/boost/multiprecision/detail/number_base.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/boost/multiprecision/detail/number_base.hpp b/include/boost/multiprecision/detail/number_base.hpp
index f0c3c300..8766047d 100644
--- a/include/boost/multiprecision/detail/number_base.hpp
+++ b/include/boost/multiprecision/detail/number_base.hpp
@@ -96,8 +96,7 @@ BOOST_CONSTEXPR typename enable_if_c<(is_signed<T>::value || is_floating_point<T
    // This strange expression avoids a hardware trap in the corner case
    // that val is the most negative value permitted in long long.
    // See https://svn.boost.org/trac/boost/ticket/9740.
-   typedef typename make_unsigned<T>::type ui_type;
-   return t < 0 ? static_cast<ui_type>(1u) + static_cast<ui_type>(-(t + 1)) : static_cast<ui_type>(t);
+   return t < 0 ? static_cast<typename make_unsigned<T>::type>(1u) + static_cast<typename make_unsigned<T>::type>(-(t + 1)) : static_cast<typename make_unsigned<T>::type>(t);
 }
 template <class T>
 BOOST_CONSTEXPR typename enable_if_c<(is_unsigned<T>::value), T>::type unsigned_abs(T t) BOOST_NOEXCEPT