From fd51ef662b235b5e7fb735e2efee4ed333e916df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sun, 24 Mar 2019 12:05:43 +0100
Subject: [PATCH] Math: avoid std::tie() in DualQuaternion sclerp..

It needs #include <tuple> and that's heavier than I'd like.
---
 src/Magnum/Math/DualQuaternion.h | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/Magnum/Math/DualQuaternion.h b/src/Magnum/Math/DualQuaternion.h
index 2162399df..17ddd83f9 100644
--- a/src/Magnum/Math/DualQuaternion.h
+++ b/src/Magnum/Math/DualQuaternion.h
@@ -103,9 +103,8 @@ template<class T> inline DualQuaternion<T> sclerp(const DualQuaternion<T>& norma
     const Dual<Vector3<T>> n{direction, moment};
 
     /* q_ScLERP = q_A*(cos(t*a/2) + n*sin(t*a/2)) */
-    Dual<T> sin, cos;
-    std::tie(sin, cos) = Math::sincos(t*Dual<Rad<T>>(aHalf));
-    return normalizedA*DualQuaternion<T>{n*sin, cos};
+    const std::pair<Dual<T>, Dual<T>> sincos = Math::sincos(t*Dual<Rad<T>>(aHalf));
+    return normalizedA*DualQuaternion<T>{n*sincos.first, sincos.second};
 }
 
 /** @relatesalso DualQuaternion
@@ -170,9 +169,8 @@ template<class T> inline DualQuaternion<T> sclerpShortestPath(const DualQuaterni
     const Dual<Vector3<T>> n{direction, moment};
 
     /* q_ScLERP = q_A*(cos(t*a/2) + n*sin(t*a/2)) */
-    Dual<T> sin, cos;
-    std::tie(sin, cos) = Math::sincos(t*Dual<Rad<T>>(aHalf));
-    return normalizedA*DualQuaternion<T>{n*sin, cos};
+    const std::pair<Dual<T>, Dual<T>> sincos = Math::sincos(t*Dual<Rad<T>>(aHalf));
+    return normalizedA*DualQuaternion<T>{n*sincos.first, sincos.second};
 }
 
 /**