diff --git a/glm/detail/setup.hpp b/glm/detail/setup.hpp
index ac444b42..f15e85ef 100644
--- a/glm/detail/setup.hpp
+++ b/glm/detail/setup.hpp
@@ -630,6 +630,63 @@ namespace glm
 #	define GLM_CONFIG_ANONYMOUS_STRUCT GLM_DISABLE
 #endif
 
+///////////////////////////////////////////////////////////////////////////////////
+// Precision
+
+#define GLM_HIGHP		1
+#define GLM_MEDIUMP		2
+#define GLM_LOWP		3
+
+#ifdef GLM_PRECISION_HIGHP_BOOL
+#	define GLM_CONFIG_PRECISION_BOOL		GLM_HIGHP
+#elif defined(GLM_PRECISION_MEDIUMP_BOOL)
+#	define GLM_CONFIG_PRECISION_BOOL		GLM_MEDIUMP
+#elif defined(GLM_PRECISION_LOWP_BOOL)
+#	define GLM_CONFIG_PRECISION_BOOL		GLM_LOWP
+#else
+#	define GLM_CONFIG_PRECISION_BOOL		GLM_HIGHP
+#endif
+
+#ifdef GLM_PRECISION_HIGHP_INT
+#	define GLM_CONFIG_PRECISION_INT			GLM_HIGHP
+#elif defined(GLM_PRECISION_MEDIUMP_INT)
+#	define GLM_CONFIG_PRECISION_INT			GLM_MEDIUMP
+#elif defined(GLM_PRECISION_LOWP_INT)
+#	define GLM_CONFIG_PRECISION_INT			GLM_LOWP
+#else
+#	define GLM_CONFIG_PRECISION_INT			GLM_HIGHP
+#endif
+
+#ifdef GLM_PRECISION_HIGHP_UINT
+#	define GLM_CONFIG_PRECISION_UINT		GLM_HIGHP
+#elif defined(GLM_PRECISION_MEDIUMP_UINT)
+#	define GLM_CONFIG_PRECISION_UINT		GLM_MEDIUMP
+#elif defined(GLM_PRECISION_LOWP_UINT)
+#	define GLM_CONFIG_PRECISION_UINT		GLM_LOWP
+#else
+#	define GLM_CONFIG_PRECISION_UINT		GLM_HIGHP
+#endif
+
+#ifdef GLM_PRECISION_HIGHP_FLOAT
+#	define GLM_CONFIG_PRECISION_FLOAT		GLM_HIGHP
+#elif defined(GLM_PRECISION_MEDIUMP_FLOAT)
+#	define GLM_CONFIG_PRECISION_FLOAT		GLM_MEDIUMP
+#elif defined(GLM_PRECISION_LOWP_FLOAT)
+#	define GLM_CONFIG_PRECISION_FLOAT		GLM_LOWP
+#else
+#	define GLM_CONFIG_PRECISION_FLOAT		GLM_HIGHP
+#endif
+
+#ifdef GLM_PRECISION_HIGHP_DOUBLE
+#	define GLM_CONFIG_PRECISION_DOUBLE		GLM_HIGHP
+#elif defined(GLM_PRECISION_MEDIUMP_DOUBLE)
+#	define GLM_CONFIG_PRECISION_DOUBLE		GLM_MEDIUMP
+#elif defined(GLM_PRECISION_LOWP_DOUBLE)
+#	define GLM_CONFIG_PRECISION_DOUBLE		GLM_LOWP
+#else
+#	define GLM_CONFIG_PRECISION_DOUBLE		GLM_HIGHP
+#endif
+
 ///////////////////////////////////////////////////////////////////////////////////
 // Check inclusions of different versions of GLM
 
diff --git a/glm/detail/type_float.hpp b/glm/detail/type_float.hpp
index 28abb5f8..8941b48b 100644
--- a/glm/detail/type_float.hpp
+++ b/glm/detail/type_float.hpp
@@ -43,22 +43,18 @@ namespace detail
 	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
 	typedef highp_float_t		highp_float;
 
-#if(!defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
-	typedef mediump_float		float_t;
-#elif(defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
+#if GLM_CONFIG_PRECISION_FLOAT == GLM_HIGHP
 	typedef highp_float			float_t;
-#elif(!defined(GLM_PRECISION_HIGHP_FLOAT) && defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
+#elif GLM_CONFIG_PRECISION_FLOAT == GLM_MEDIUMP
 	typedef mediump_float		float_t;
-#elif(!defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && defined(GLM_PRECISION_LOWP_FLOAT))
+#elif GLM_CONFIG_PRECISION_FLOAT == GLM_LOWP
 	typedef lowp_float			float_t;
-#else
-#	error "GLM error: multiple default precision requested for floating-point types"
 #endif
 
 	typedef float				float32;
 
 #	ifndef GLM_FORCE_SINGLE_ONLY
-		typedef double				float64;
+		typedef double			float64;
 #	endif//GLM_FORCE_SINGLE_ONLY
 
 ////////////////////
diff --git a/glm/ext/vector_bvec1.hpp b/glm/ext/vector_bvec1.hpp
index ffedcec1..c2a24839 100644
--- a/glm/ext/vector_bvec1.hpp
+++ b/glm/ext/vector_bvec1.hpp
@@ -1,21 +1,21 @@
-/// @ref ext_bvec1
-/// @file glm/ext/bvec1.hpp
+/// @ref ext_vector_bvec1
+/// @file glm/ext/vector_bvec1.hpp
 ///
 /// @see core (dependence)
 ///
-/// @defgroup ext_bvec1 GLM_EXT_bvec1
+/// @defgroup ext_vector_bvec1 GLM_EXT_vector_bvec1
 /// @ingroup ext
 ///
-/// Include <glm/ext/bvec1.hpp> to use the features of this extension.
+/// Include <glm/ext/vector_bvec1.hpp> to use the features of this extension.
 ///
-/// Expose bvec1 type.
+/// Exposes bvec1 vector type.
 
 #pragma once
 
 #include "../detail/type_vec1.hpp"
 
 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
-#	pragma message("GLM: GLM_EXT_bvec1 extension included")
+#	pragma message("GLM: GLM_EXT_vector_bvec1 extension included")
 #endif
 
 namespace glm
@@ -23,16 +23,16 @@ namespace glm
 	/// @addtogroup ext_bvec1
 	/// @{
 
-#	if(defined(GLM_PRECISION_LOWP_BOOL))
+#	if GLM_CONFIG_PRECISION_BOOL == GLM_LOWP
 		typedef vec<1, bool, lowp>		bvec1;
-#	elif(defined(GLM_PRECISION_MEDIUMP_BOOL))
+#	elif GLM_CONFIG_PRECISION_BOOL == GLM_MEDIUMP
 		typedef vec<1, bool, mediump>	bvec1;
-#	else //defined(GLM_PRECISION_HIGHP_BOOL)
+#	else
 		/// 1 components vector of boolean.
 		///
-		/// @see ext_bvec1 extension.
+		/// @see ext_vector_bvec1 extension.
 		typedef vec<1, bool, highp>		bvec1;
-#	endif//GLM_PRECISION
+#	endif
 
 	/// @}
 }//namespace glm
diff --git a/glm/ext/vector_bvec1_precision.hpp b/glm/ext/vector_bvec1_precision.hpp
index 1ec3b898..8309240d 100644
--- a/glm/ext/vector_bvec1_precision.hpp
+++ b/glm/ext/vector_bvec1_precision.hpp
@@ -1,41 +1,41 @@
-/// @ref ext_bvec1_precision
-/// @file glm/ext/bvec1_precision.hpp
+/// @ref ext_vector_bvec1_precision
+/// @file glm/ext/vector_bvec1_precision.hpp
 ///
 /// @see core (dependence)
 ///
-/// @defgroup ext_bvec1_precision GLM_EXT_bvec1_precision
+/// @defgroup ext_vector_bvec1_precision GLM_EXT_vector_bvec1_precision
 /// @ingroup ext
 ///
-/// Include <glm/ext/bvec1_precision.hpp> to use the features of this extension.
+/// Include <glm/ext/vector_bvec1_precision.hpp> to use the features of this extension.
 ///
-/// Add Exposes highp_bvec1, mediump_bvec1 and lowp_bvec1 types.
+/// Exposes highp_bvec1, mediump_bvec1 and lowp_bvec1 types.
 
 #pragma once
 
 #include "../detail/type_vec1.hpp"
 
 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
-#	pragma message("GLM: GLM_EXT_bvec1_precision extension included")
+#	pragma message("GLM: GLM_EXT_vector_bvec1_precision extension included")
 #endif
 
 namespace glm
 {
-	/// @addtogroup ext_bvec1_precision
+	/// @addtogroup ext_vector_bvec1_precision
 	/// @{
 
 	/// 1 component vector of bool values.
 	///
-	/// @see ext_vec1
+	/// @see ext_vector_bvec1_precision
 	typedef vec<1, bool, highp>			highp_bvec1;
 
 	/// 1 component vector of bool values.
 	///
-	/// @see ext_vec1
+	/// @see ext_vector_bvec1_precision
 	typedef vec<1, bool, mediump>		mediump_bvec1;
 
 	/// 1 component vector of bool values.
 	///
-	/// @see ext_vec1
+	/// @see ext_vector_bvec1_precision
 	typedef vec<1, bool, lowp>			lowp_bvec1;
 
 	/// @}
diff --git a/glm/ext/vector_dvec1.hpp b/glm/ext/vector_dvec1.hpp
index 23a66b6c..400625fb 100644
--- a/glm/ext/vector_dvec1.hpp
+++ b/glm/ext/vector_dvec1.hpp
@@ -1,12 +1,12 @@
-/// @ref ext_dvec1
-/// @file glm/ext/dvec1.hpp
+/// @ref ext_vector_dvec1
+/// @file glm/ext/vector_dvec1.hpp
 ///
 /// @see core (dependence)
 ///
-/// @defgroup ext_dvec1 GLM_EXT_dvec1
+/// @defgroup ext_vector_dvec1 GLM_EXT_vector_dvec1
 /// @ingroup ext
 ///
-/// Include <glm/ext/dvec1.hpp> to use the features of this extension.
+/// Include <glm/ext/vector_dvec1.hpp> to use the features of this extension.
 ///
 /// Expose dvec1 vector type.
 
@@ -15,24 +15,24 @@
 #include "../detail/type_vec1.hpp"
 
 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
-#	pragma message("GLM: GLM_EXT_dvec1 extension included")
+#	pragma message("GLM: GLM_EXT_vector_dvec1 extension included")
 #endif
 
 namespace glm
 {
-	/// @addtogroup ext_dvec1
+	/// @addtogroup ext_vector_dvec1
 	/// @{
 
-#	if(defined(GLM_PRECISION_LOWP_DOUBLE))
+#	if GLM_CONFIG_PRECISION_DOUBLE == GLM_LOWP
 		typedef vec<1, double, lowp>		dvec1;
-#	elif(defined(GLM_PRECISION_MEDIUMP_DOUBLE))
+#	elif GLM_CONFIG_PRECISION_DOUBLE == GLM_MEDIUMP
 		typedef vec<1, double, mediump>		dvec1;
-#	else //defined(GLM_PRECISION_HIGHP_DOUBLE)
+#	else
 		/// 1 components vector of double-precision floating-point numbers.
 		///
-		/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.5 Vectors</a>
+		/// @see ext_vector_dvec1 extension.
 		typedef vec<1, double, highp>		dvec1;
-#	endif//GLM_PRECISION
+#	endif
 
 	/// @}
 }//namespace glm
diff --git a/glm/ext/vector_dvec1_precision.hpp b/glm/ext/vector_dvec1_precision.hpp
index 2299f65c..cfcdb48d 100644
--- a/glm/ext/vector_dvec1_precision.hpp
+++ b/glm/ext/vector_dvec1_precision.hpp
@@ -1,12 +1,12 @@
-/// @ref ext_dvec1_precision
-/// @file glm/ext/dvec1_precision.hpp
+/// @ref ext_vector_dvec1_precision
+/// @file glm/ext/vector_dvec1_precision.hpp
 ///
 /// @see core (dependence)
 ///
-/// @defgroup ext_dvec1_precision GLM_EXT_dvec1_precision
+/// @defgroup ext_vector_dvec1_precision GLM_EXT_vector_dvec1_precision
 /// @ingroup ext
 ///
-/// Include <glm/ext/fvec1_precision.hpp> to use the features of this extension.
+/// Include <glm/ext/vector_dvec1_precision.hpp> to use the features of this extension.
 ///
 /// Exposes highp_dvec1, mediump_dvec1 and lowp_dvec1 types.
 
@@ -15,27 +15,27 @@
 #include "../detail/type_vec1.hpp"
 
 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
-#	pragma message("GLM: GLM_EXT_dvec1_precision extension included")
+#	pragma message("GLM: GLM_EXT_vector_dvec1_precision extension included")
 #endif
 
 namespace glm
 {
-	/// @addtogroup ext_dvec1_precision
+	/// @addtogroup ext_vector_dvec1_precision
 	/// @{
 
 	/// 1 component vector of double-precision floating-point numbers using high precision arithmetic in term of ULPs.
 	///
-	/// @see ext_dvec1_precision
+	/// @see ext_vector_dvec1_precision
 	typedef vec<1, double, highp>		highp_dvec1;
 
 	/// 1 component vector of double-precision floating-point numbers using medium precision arithmetic in term of ULPs.
 	///
-	/// @see ext_dvec1_precision
+	/// @see ext_vector_dvec1_precision
 	typedef vec<1, double, mediump>		mediump_dvec1;
 
 	/// 1 component vector of double-precision floating-point numbers using low precision arithmetic in term of ULPs.
 	///
-	/// @see ext_dvec1_precision
+	/// @see ext_vector_dvec1_precision
 	typedef vec<1, double, lowp>		lowp_dvec1;
 
 	/// @}
diff --git a/glm/ext/vector_ivec1.hpp b/glm/ext/vector_ivec1.hpp
index fb03ede5..27c9ca9e 100644
--- a/glm/ext/vector_ivec1.hpp
+++ b/glm/ext/vector_ivec1.hpp
@@ -1,12 +1,12 @@
-/// @ref ext_ivec1
-/// @file glm/ext/ivec1.hpp
+/// @ref ext_vector_ivec1
+/// @file glm/ext/vector_ivec1.hpp
 ///
 /// @see core (dependence)
 ///
-/// @defgroup ext_ivec1 GLM_EXT_ivec1
+/// @defgroup ext_vector_ivec1 GLM_EXT_vector_ivec1
 /// @ingroup ext
 ///
-/// Include <glm/ext/ivec1.hpp> to use the features of this extension.
+/// Include <glm/ext/vector_ivec1.hpp> to use the features of this extension.
 ///
 /// Exposes ivec1 vector type.
 
@@ -15,24 +15,24 @@
 #include "../detail/type_vec1.hpp"
 
 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
-#	pragma message("GLM: GLM_EXT_ivec1 extension included")
+#	pragma message("GLM: GLM_EXT_vector_ivec1 extension included")
 #endif
 
 namespace glm
 {
-	/// @addtogroup ext_ivec1
+	/// @addtogroup ext_vector_ivec1
 	/// @{
 
-#	if(defined(GLM_PRECISION_LOWP_INT))
+#	if GLM_CONFIG_PRECISION_INT == GLM_LOWP
 		typedef vec<1, int, lowp>			ivec1;
-#	elif(defined(GLM_PRECISION_MEDIUMP_INT))
+#	elif GLM_CONFIG_PRECISION_INT == GLM_MEDIUMP
 		typedef vec<1, int, mediump>		ivec1;
-	#else //defined(GLM_PRECISION_HIGHP_INT)
+#	else
 		/// 1 component vector of signed integer numbers.
 		///
-		/// @see ext_ivec1 extension.
+		/// @see ext_vector_ivec1 extension.
 		typedef vec<1, int, highp>			ivec1;
-#	endif//GLM_PRECISION
+#	endif
 
 	/// @}
 }//namespace glm
diff --git a/glm/ext/vector_uvec1.hpp b/glm/ext/vector_uvec1.hpp
index 711a6dc2..3e7c6a9c 100644
--- a/glm/ext/vector_uvec1.hpp
+++ b/glm/ext/vector_uvec1.hpp
@@ -1,12 +1,12 @@
-/// @ref ext_uvec1
-/// @file glm/ext/uvec1.hpp
+/// @ref ext_vector_uvec1
+/// @file glm/ext/vector_uvec1.hpp
 ///
 /// @see core (dependence)
 ///
-/// @defgroup ext_uvec1 GLM_EXT_uvec1
+/// @defgroup ext_vector_uvec1 GLM_EXT_vector_uvec1
 /// @ingroup ext
 ///
-/// Include <glm/ext/uvec1.hpp> to use the features of this extension.
+/// Include <glm/ext/vector_uvec1.hpp> to use the features of this extension.
 ///
 /// Exposes uvec1 vector type.
 
@@ -15,24 +15,24 @@
 #include "../detail/type_vec1.hpp"
 
 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
-#	pragma message("GLM: GLM_EXT_uvec1 extension included")
+#	pragma message("GLM: GLM_EXT_vector_uvec1 extension included")
 #endif
 
 namespace glm
 {
-	/// @addtogroup ext_uvec1
+	/// @addtogroup ext_vector_uvec1
 	/// @{
 
-#	if(defined(GLM_PRECISION_LOWP_INT))
-	typedef vec<1, uint, lowp>			uvec1;
-#	elif(defined(GLM_PRECISION_MEDIUMP_INT))
-	typedef vec<1, uint, mediump>		uvec1;
-#else //defined(GLM_PRECISION_HIGHP_INT)
-	/// 1 component vector of unsigned integer numbers.
-	///
-	/// @see ext_uvec1 extension.
-	typedef vec<1, uint, highp>			uvec1;
-#	endif//GLM_PRECISION
+#	if GLM_CONFIG_PRECISION_UINT == GLM_LOWP
+		typedef vec<1, uint, lowp>			uvec1;
+#	elif GLM_CONFIG_PRECISION_UINT == GLM_MEDIUMP
+		typedef vec<1, uint, mediump>		uvec1;
+#	else
+		/// 1 component vector of unsigned integer numbers.
+		///
+		/// @see ext_vector_uvec1 extension.
+		typedef vec<1, uint, highp>			uvec1;
+#	endif
 
 	/// @}
 }//namespace glm
diff --git a/glm/ext/vector_vec1.hpp b/glm/ext/vector_vec1.hpp
index 5d605305..f962bab3 100644
--- a/glm/ext/vector_vec1.hpp
+++ b/glm/ext/vector_vec1.hpp
@@ -1,38 +1,38 @@
-/// @ref ext_vec1
-/// @file glm/ext/vec1.hpp
+/// @ref ext_vector_vec1
+/// @file glm/ext/vector_vec1.hpp
 ///
 /// @see core (dependence)
 ///
-/// @defgroup ext_vec1 GLM_EXT_fvec1
+/// @defgroup ext_vector_vec1 GLM_EXT_vector_vec1
 /// @ingroup ext
 ///
-/// Include <glm/ext/vec1.hpp> to use the features of this extension.
+/// Include <glm/ext/vector_vec1.hpp> to use the features of this extension.
 ///
-/// Expose vec1 vector type.
+/// Exposes vec1 vector type.
 
 #pragma once
 
 #include "../detail/type_vec1.hpp"
 
 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
-#	pragma message("GLM: GLM_EXT_fvec1 extension included")
+#	pragma message("GLM: GLM_EXT_vector_vec1 extension included")
 #endif
 
 namespace glm
 {
-	/// @addtogroup ext_fvec1
+	/// @addtogroup ext_vector_vec1
 	/// @{
 
-#	if(defined(GLM_PRECISION_LOWP_FLOAT))
+#	if GLM_CONFIG_PRECISION_FLOAT == GLM_LOWP
 		typedef vec<1, float, lowp>			vec1;
-#	elif(defined(GLM_PRECISION_MEDIUMP_FLOAT))
+#	elif GLM_CONFIG_PRECISION_FLOAT == GLM_MEDIUMP
 		typedef vec<1, float, mediump>		vec1;
-#	else //defined(GLM_PRECISION_HIGHP_FLOAT)
+#	else
 		/// 1 components vector of single-precision floating-point numbers.
 		///
-		/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.5 Vectors</a>
+		/// @see ext_vector_vec1 extension.
 		typedef vec<1, float, highp>		vec1;
-#	endif//GLM_PRECISION
+#	endif
 
 	/// @}
 }//namespace glm