1 files changed, 10 insertions, 5 deletions

diff --git a/external/include/glm/gtx/string_cast.hpp b/external/include/glm/gtx/string_cast.hpp
index d2b9fc6..4b4e280 100644
--- a/external/include/glm/gtx/string_cast.hpp
+++ b/external/include/glm/gtx/string_cast.hpp
@@ -2,16 +2,16 @@
 /// @file glm/gtx/string_cast.hpp
 ///
 /// @see core (dependence)
-/// @see gtc_half_float (dependence)
 /// @see gtx_integer (dependence)
 /// @see gtx_quaternion (dependence)
 ///
 /// @defgroup gtx_string_cast GLM_GTX_string_cast
 /// @ingroup gtx
 ///
-/// @brief Setup strings for GLM type values
+/// Include <glm/gtx/string_cast.hpp> to use the features of this extension.
+///
+/// Setup strings for GLM type values
 ///
-/// <glm/gtx/string_cast.hpp> need to be included to use these functionalities.
 /// This extension is not supported with CUDA
 
 #pragma once
@@ -22,6 +22,11 @@
 #include "../gtc/quaternion.hpp"
 #include "../gtx/dual_quaternion.hpp"
 #include <string>
+#include <cmath>
+
+#ifndef GLM_ENABLE_EXPERIMENTAL
+#	error "GLM: GLM_GTX_string_cast 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_COMPILER & GLM_COMPILER_CUDA)
 #	error "GLM_GTX_string_cast is not supported on CUDA compiler"
@@ -38,8 +43,8 @@ namespace glm
 
 	/// Create a string from a GLM vector or matrix typed variable.
 	/// @see gtx_string_cast extension.
-	template <template <typename, precision> class matType, typename T, precision P>
-	GLM_FUNC_DECL std::string to_string(matType<T, P> const & x);
+	template<typename genType>
+	GLM_FUNC_DECL std::string to_string(genType const& x);
 
 	/// @}
 }//namespace glm