From 232a64424f2bf5e2dff9c252f443c48aaad122ef Mon Sep 17 00:00:00 2001
From: "Jeremy W. Murphy" <jeremy.william.murphy@gmail.com>
Date: Tue, 5 Apr 2016 09:41:59 +1000
Subject: [PATCH] Use unqualified swap to allow ADL.

---
 include/boost/math/common_factor_rt.hpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/boost/math/common_factor_rt.hpp b/include/boost/math/common_factor_rt.hpp
index 9191158fa..3de917a92 100644
--- a/include/boost/math/common_factor_rt.hpp
+++ b/include/boost/math/common_factor_rt.hpp
@@ -83,12 +83,12 @@ namespace detail
     {
         while (b != EuclideanDomain(0))
         {
-            a = a % b;
-            std::swap(a, b);
+            a %= b;
+            swap(a, b);
         }
         return a;
     }
-}
+} // namespace detail
 
 
 template <typename T>