diff --git a/glm/core/_literals.hpp b/glm/core/_literals.hpp
new file mode 100644
index 00000000..6b6a2bfe
--- /dev/null
+++ b/glm/core/_literals.hpp
@@ -0,0 +1,51 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref core
+/// @file glm/core/_literals.hpp
+/// @date 2013-05-06 / 2013-05-06
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_core_literals
+#define glm_core_literals
+
+namespace glm
+{
+#define GLM_CXX11_USER_LITERALS
+#ifdef GLM_CXX11_USER_LITERALS
+
+	GLM_FUNC_QUALIFIER detail::half operator "" _h(long double const s)
+	{
+		return detail::half(s);
+	}
+
+	GLM_FUNC_QUALIFIER float operator "" _f(long double const s)
+	{
+		return static_cast<float>(s);
+	}
+
+#endif//GLM_CXX11_USER_LITERALS
+
+}//namespace glm
+
+#endif//glm_core_literals
diff --git a/glm/core/type_half.hpp b/glm/core/type_half.hpp
index 5afc7df3..88f75e05 100644
--- a/glm/core/type_half.hpp
+++ b/glm/core/type_half.hpp
@@ -111,7 +111,7 @@ namespace detail
 		detail::half const & y);
 
 }//namespace detail
-	
+
 	/// Low half-precision floating-point numbers.
 	typedef detail::half		lowp_half;
 	
diff --git a/glm/glm.hpp b/glm/glm.hpp
index d62f8185..e4ad5eca 100644
--- a/glm/glm.hpp
+++ b/glm/glm.hpp
@@ -102,6 +102,8 @@
 #include "./core/type_float.hpp"
 #include "./core/type_int.hpp"
 
+#include "./core/_literals.hpp"
+
 #include "./core/type_vec1.hpp"
 #include "./core/type_vec2.hpp"
 #include "./core/type_vec3.hpp"