Added GLM

vendor/include/glm/gtx/normalize_dot.hpp

@@ -0,0 +1,49 @@
+/// @ref gtx_normalize_dot
+/// @file glm/gtx/normalize_dot.hpp
+///
+/// @see core (dependence)
+/// @see gtx_fast_square_root (dependence)
+///
+/// @defgroup gtx_normalize_dot GLM_GTX_normalize_dot
+/// @ingroup gtx
+///
+/// Include <glm/gtx/normalized_dot.hpp> to use the features of this extension.
+///
+/// Dot product of vectors that need to be normalize with a single square root.
+
+#pragma once
+
+// Dependency:
+#include "../gtx/fast_square_root.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	ifndef GLM_ENABLE_EXPERIMENTAL
+#		pragma message("GLM: GLM_GTX_normalize_dot 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.")
+#	else
+#		pragma message("GLM: GLM_GTX_normalize_dot extension included")
+#	endif
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_normalize_dot
+	/// @{
+
+	/// Normalize parameters and returns the dot product of x and y.
+	/// It's faster that dot(normalize(x), normalize(y)).
+	///
+	/// @see gtx_normalize_dot extension.
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL T normalizeDot(vec<L, T, Q> const& x, vec<L, T, Q> const& y);
+
+	/// Normalize parameters and returns the dot product of x and y.
+	/// Faster that dot(fastNormalize(x), fastNormalize(y)).
+	///
+	/// @see gtx_normalize_dot extension.
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL T fastNormalizeDot(vec<L, T, Q> const& x, vec<L, T, Q> const& y);
+
+	/// @}
+}//namespace glm
+
+#include "normalize_dot.inl"