diff --git a/glm/glm.hpp b/glm/glm.hpp
index 394ecf4b..0e34a1c6 100644
--- a/glm/glm.hpp
+++ b/glm/glm.hpp
@@ -24,40 +24,37 @@
 #endif//GLM_MESSAGE
 
 //! GLM namespace, it contains all GLSL based features.
-namespace glm
+namespace glm{
+namespace test
 {
-	namespace test
-	{
-		bool main_bug();
-		bool main_core();
-	}//namespace test
+	bool main_bug();
+	bool main_core();
+}//namespace test
 
-	//! GLM core. Namespace that includes all the feature define by GLSL 4.10.6 specification. This namespace is included in glm namespace.
-	namespace core
-	{
-		//! Scalar, vectors and matrices 
-		//! from section 4.1.2 Booleans, 4.1.3 Integers section, 4.1.4 Floats section,
-		//! 4.1.5 Vectors and section 4.1.6 Matrices of GLSL 1.30.8 specification. 
-		//! This namespace resolves precision qualifier define in section 4.5 of GLSL 1.30.8 specification.
-		namespace type{}
+//! GLM core. Namespace that includes all the feature define by GLSL 4.10.6 specification. This namespace is included in glm namespace.
+namespace core
+{
+	//! Scalar, vectors and matrices 
+	//! from section 4.1.2 Booleans, 4.1.3 Integers section, 4.1.4 Floats section,
+	//! 4.1.5 Vectors and section 4.1.6 Matrices of GLSL 1.30.8 specification. 
+	//! This namespace resolves precision qualifier define in section 4.5 of GLSL 1.30.8 specification.
+	namespace type{}
 
-		//! Some of the functions defined in section 8 Built-in Functions of GLSL 1.30.8 specification.
-		//! Angle and trigonometry, exponential, common, geometric, matrix and vector relational functions.
-		namespace function{}
-	}
-	//namespace core
+	//! Some of the functions defined in section 8 Built-in Functions of GLSL 1.30.8 specification.
+	//! Angle and trigonometry, exponential, common, geometric, matrix and vector relational functions.
+	namespace function{}
+}//namespace core
 
-	//! G-Truc Creation stable extensions.
-	namespace gtc{}
+//! G-Truc Creation stable extensions.
+namespace gtc{}
 
-	//! G-Truc Creation experimental extensions. 
-	//! The interface could change between releases.
-	namespace gtx{}
+//! G-Truc Creation experimental extensions. 
+//! The interface could change between releases.
+namespace gtx{}
 
-	//! VIRTREV extensions.
-	namespace img{}
-
-} //namespace glm
+//! VIRTREV extensions.
+namespace virtrev{}
+}//namespace glm
 
 #include "./core/_detail.hpp"
 #include "./core/type.hpp"
@@ -78,7 +75,7 @@ namespace glm
  	using namespace core::type;
 	using namespace core::type::precision;
 	using namespace core::function;
-} //namespace glm
+}//namespace glm
 
 ////////////////////
 // check type sizes
@@ -98,4 +95,4 @@ namespace glm
 	GLM_STATIC_ASSERT(sizeof(glm::detail::float64) == 8, "float64 size isn't 8 bytes on this platform");
 #endif//GLM_STATIC_ASSERT_NULL
 
-#endif //glm_glm
+#endif//glm_glm