diff --git a/doc/man.doxy b/doc/man.doxy
index da1f1c8a..8eab2f64 100644
--- a/doc/man.doxy
+++ b/doc/man.doxy
@@ -51,7 +51,7 @@ PROJECT_BRIEF          =
 # pixels and the maximum width should not exceed 200 pixels. Doxygen will copy
 # the logo to the output directory.
 
-PROJECT_LOGO           = G:/Source/G-Truc/glm/doc/manual/logo-mini.png
+PROJECT_LOGO           = theme/logo-mini.png
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
 # into which the generated documentation will be written. If a relative path is
diff --git a/glm/ext/scalar_integer.hpp b/glm/ext/scalar_integer.hpp
index 431602d1..a2ca8a2a 100644
--- a/glm/ext/scalar_integer.hpp
+++ b/glm/ext/scalar_integer.hpp
@@ -2,9 +2,8 @@
 /// @file glm/ext/scalar_integer.hpp
 ///
 /// @see core (dependence)
-/// @see ext_vector_integer (dependence)
 ///
-/// @defgroup gtc_round GLM_EXT_scalar_integer
+/// @defgroup ext_scalar_integer GLM_EXT_scalar_integer
 /// @ingroup ext
 ///
 /// Include <glm/ext/scalar_integer.hpp> to use the features of this extension.
diff --git a/glm/ext/vector_integer.hpp b/glm/ext/vector_integer.hpp
index d54409da..1304dd8d 100644
--- a/glm/ext/vector_integer.hpp
+++ b/glm/ext/vector_integer.hpp
@@ -4,7 +4,7 @@
 /// @see core (dependence)
 /// @see ext_vector_integer (dependence)
 ///
-/// @defgroup gtc_round GLM_EXT_vector_integer
+/// @defgroup ext_vector_integer GLM_EXT_vector_integer
 /// @ingroup ext
 ///
 /// Include <glm/ext/vector_integer.hpp> to use the features of this extension.
diff --git a/glm/ext/vector_relational.hpp b/glm/ext/vector_relational.hpp
index a556bdfa..1c2367dc 100644
--- a/glm/ext/vector_relational.hpp
+++ b/glm/ext/vector_relational.hpp
@@ -1,6 +1,9 @@
 /// @ref ext_vector_relational
 /// @file glm/ext/vector_relational.hpp
 ///
+/// @see core (dependence)
+/// @see ext_scalar_integer (dependence)
+///
 /// @defgroup ext_vector_relational GLM_EXT_vector_relational
 /// @ingroup ext
 ///
diff --git a/glm/gtc/round.hpp b/glm/gtc/round.hpp
index f1424c30..56edbbca 100644
--- a/glm/gtc/round.hpp
+++ b/glm/gtc/round.hpp
@@ -30,22 +30,6 @@ namespace glm
 	/// @addtogroup gtc_round
 	/// @{
 
-	/// Return true if the value is a power of two number.
-	///
-	/// @see gtc_round
-	template<typename genIUType>
-	GLM_FUNC_DECL bool isPowerOfTwo(genIUType v);
-
-	/// Return true if the value is a power of two number.
-	///
-	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
-	/// @tparam T Floating-point or integer scalar types
-	/// @tparam Q Value from qualifier enum
-	///
-	/// @see gtc_round
-	template<length_t L, typename T, qualifier Q>
-	GLM_FUNC_DECL vec<L, bool, Q> isPowerOfTwo(vec<L, T, Q> const& v);
-
 	/// Return the power of two number which value is just higher the input value,
 	/// round up to a power of two.
 	///
@@ -98,32 +82,6 @@ namespace glm
 	template<length_t L, typename T, qualifier Q>
 	GLM_FUNC_DECL vec<L, T, Q> roundPowerOfTwo(vec<L, T, Q> const& v);
 
-	/// Return true if the 'Value' is a multiple of 'Multiple'.
-	///
-	/// @see gtc_round
-	template<typename genIUType>
-	GLM_FUNC_DECL bool isMultiple(genIUType v, genIUType Multiple);
-
-	/// Return true if the 'Value' is a multiple of 'Multiple'.
-	///
-	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
-	/// @tparam T Floating-point or integer scalar types
-	/// @tparam Q Value from qualifier enum
-	///
-	/// @see gtc_round
-	template<length_t L, typename T, qualifier Q>
-	GLM_FUNC_DECL vec<L, bool, Q> isMultiple(vec<L, T, Q> const& v, T Multiple);
-
-	/// Return true if the 'Value' is a multiple of 'Multiple'.
-	///
-	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
-	/// @tparam T Floating-point or integer scalar types
-	/// @tparam Q Value from qualifier enum
-	///
-	/// @see gtc_round
-	template<length_t L, typename T, qualifier Q>
-	GLM_FUNC_DECL vec<L, bool, Q> isMultiple(vec<L, T, Q> const& v, vec<L, T, Q> const& Multiple);
-
 	/// Higher multiple number of Source.
 	///
 	/// @tparam genType Floating-point or integer scalar or vector types.