1 files changed, 22 insertions, 18 deletions

diff --git a/external/include/glm/gtx/fast_square_root.hpp b/external/include/glm/gtx/fast_square_root.hpp
index 35aa7f3..9e15cb0 100644
--- a/external/include/glm/gtx/fast_square_root.hpp
+++ b/external/include/glm/gtx/fast_square_root.hpp
@@ -6,11 +6,11 @@
 /// @defgroup gtx_fast_square_root GLM_GTX_fast_square_root
 /// @ingroup gtx
 ///
-/// @brief Fast but less accurate implementations of square root based functions.
-/// - Sqrt optimisation based on Newton's method, 
-/// www.gamedev.net/community/forums/topic.asp?topic id=139956
+/// Include <glm/gtx/fast_square_root.hpp> to use the features of this extension.
 ///
-/// <glm/gtx/fast_square_root.hpp> need to be included to use these functionalities.
+/// Fast but less accurate implementations of square root based functions.
+/// - Sqrt optimisation based on Newton's method,
+/// www.gamedev.net/community/forums/topic.asp?topic id=139956
 
 #pragma once
 
@@ -19,6 +19,10 @@
 #include "../exponential.hpp"
 #include "../geometric.hpp"
 
+#ifndef GLM_ENABLE_EXPERIMENTAL
+#	error "GLM: GLM_GTX_fast_square_root is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
+#endif
+
 #if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
 #	pragma message("GLM: GLM_GTX_fast_square_root extension included")
 #endif
@@ -31,56 +35,56 @@ namespace glm
 	/// Faster than the common sqrt function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename genType> 
+	template<typename genType>
 	GLM_FUNC_DECL genType fastSqrt(genType x);
 
 	/// Faster than the common sqrt function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename T, precision P, template <typename, precision> class vecType>
-	GLM_FUNC_DECL vecType<T, P> fastSqrt(vecType<T, P> const & x);
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, T, Q> fastSqrt(vec<L, T, Q> const& x);
 
 	/// Faster than the common inversesqrt function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename genType> 
+	template<typename genType>
 	GLM_FUNC_DECL genType fastInverseSqrt(genType x);
 
 	/// Faster than the common inversesqrt function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename T, precision P, template <typename, precision> class vecType>
-	GLM_FUNC_DECL vecType<T, P> fastInverseSqrt(vecType<T, P> const & x);
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, T, Q> fastInverseSqrt(vec<L, T, Q> const& x);
 
 	/// Faster than the common length function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename genType>
+	template<typename genType>
 	GLM_FUNC_DECL genType fastLength(genType x);
 
 	/// Faster than the common length function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename T, precision P, template <typename, precision> class vecType>
-	GLM_FUNC_DECL T fastLength(vecType<T, P> const & x);
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL T fastLength(vec<L, T, Q> const& x);
 
 	/// Faster than the common distance function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename genType>
+	template<typename genType>
 	GLM_FUNC_DECL genType fastDistance(genType x, genType y);
 
 	/// Faster than the common distance function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename T, precision P, template <typename, precision> class vecType>
-	GLM_FUNC_DECL T fastDistance(vecType<T, P> const & x, vecType<T, P> const & y);
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL T fastDistance(vec<L, T, Q> const& x, vec<L, T, Q> const& y);
 
 	/// Faster than the common normalize function but less accurate.
 	///
 	/// @see gtx_fast_square_root extension.
-	template <typename genType> 
-	GLM_FUNC_DECL genType fastNormalize(genType const & x);
+	template<typename genType>
+	GLM_FUNC_DECL genType fastNormalize(genType const& x);
 
 	/// @}
 }// namespace glm