From 2d813b587a1e5cd954ead889b89f91dcd68250c6 Mon Sep 17 00:00:00 2001
From: sippeangelo <holmberg.simon@gmail.com>
Date: Wed, 16 Dec 2015 15:57:29 +0100
Subject: [PATCH] This fixes #461

---
 glm/gtc/quaternion.inl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/glm/gtc/quaternion.inl b/glm/gtc/quaternion.inl
index 83a1b66f..043a6a1b 100644
--- a/glm/gtc/quaternion.inl
+++ b/glm/gtc/quaternion.inl
@@ -597,7 +597,7 @@ namespace detail
 	template <typename T, precision P>
 	GLM_FUNC_QUALIFIER T yaw(tquat<T, P> const & q)
 	{
-		return asin(T(-2) * (q.x * q.z - q.w * q.y));
+		return asin(clamp(T(-2) * (q.x * q.z - q.w * q.y), T(-1), T(1)));
 	}
 
 	template <typename T, precision P>