From 0a40252c29437672f7d200e347ff6e9d805c3bcf Mon Sep 17 00:00:00 2001
From: Treeston <treeston.mmoc@gmail.com>
Date: Mon, 12 Aug 2019 14:33:04 +0200
Subject: i am so done with compilers for today , WHY IS STD::SWAP NOT A
 CONSTEXPR ASDFOWQWDO (31b5632 7378bcb follow-up grml)

---
 src/common/Utilities/advstd.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/common')

diff --git a/src/common/Utilities/advstd.h b/src/common/Utilities/advstd.h
index d9776b02acb..9663bd91992 100644
--- a/src/common/Utilities/advstd.h
+++ b/src/common/Utilities/advstd.h
@@ -112,12 +112,13 @@ namespace advstd
     template <typename T1, typename T2>
     constexpr std::enable_if_t<advstd::is_unsigned_v<T1> && advstd::is_unsigned_v<T2>, std::common_type_t<T1, T2>> gcd(T1 _m, T2 _n)
     {
-        std::common_type_t<T1, T2> n = _n, m = _m;
+        using T = std::common_type_t<T1, T2>;
+        T n=_n, m=_m, o;
         while (n)
         {
-            std::swap(m,n);
-            if (m <= n)
-                n %= m;
+            o = m;
+            m = n;
+            n = o%n;
         }
         return m;
     }
-- 
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