From 1f89d5d184ab3a034c1501ad3e9844d787cbae41 Mon Sep 17 00:00:00 2001
From: wwylele <wwylele@gmail.com>
Date: Thu, 12 Nov 2015 20:31:31 +0200
Subject: fix failure on gcc and clang

---
 src/common/vector_math.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/common/vector_math.h')

diff --git a/src/common/vector_math.h b/src/common/vector_math.h
index 816ad4e33..02688e35e 100644
--- a/src/common/vector_math.h
+++ b/src/common/vector_math.h
@@ -91,7 +91,7 @@ public:
     {
         x-=other.x; y-=other.y;
     }
-    template<class = typename std::enable_if<std::is_signed<T>::value>::type>
+    template<typename Q = T,class = typename std::enable_if<std::is_signed<Q>::value>::type>
     Vec2<decltype(-T{})> operator -() const
     {
         return MakeVec(-x,-y);
@@ -222,7 +222,7 @@ public:
     {
         x-=other.x; y-=other.y; z-=other.z;
     }
-    template<class = typename std::enable_if<std::is_signed<T>::value>::type>
+    template<typename Q = T,class = typename std::enable_if<std::is_signed<Q>::value>::type>
     Vec3<decltype(-T{})> operator -() const
     {
         return MakeVec(-x,-y,-z);
@@ -393,7 +393,7 @@ public:
     {
         x-=other.x; y-=other.y; z-=other.z; w-=other.w;
     }
-    template<class = typename std::enable_if<std::is_signed<T>::value>::type>
+    template<typename Q = T,class = typename std::enable_if<std::is_signed<Q>::value>::type>
     Vec4<decltype(-T{})> operator -() const
     {
         return MakeVec(-x,-y,-z,-w);
-- 
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