Added GLM 0.8.4

glm/gtx/normalize_dot.hpp

@@ -0,0 +1,54 @@
+//////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2009 G-Truc Creation (www.g-truc.net)
+//////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-09-28
+// Updated : 2008-10-07
+// Licence : This source is under MIT License
+// File    : glm/gtx/normalize_dot.h
+//////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+// - GLM_GTX_fast_square_root
+//////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_normalize_dot
+#define glm_gtx_normalize_dot
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/fast_square_root.hpp"
+
+namespace glm
+{
+	namespace gtx{
+	//! GLM_GTX_normalize_dot extension: Dot product of vectors that need to be normalize with a single square root.
+	namespace normalize_dot
+	{
+		//! Normalize parameters and returns the dot product of x and y.
+		//! It's faster that dot(normalize(x), normalize(y)).
+		//! From GLM_GTX_normalize_dot extension.
+		template <typename genType> 
+		typename genType::value_type normalizeDot(
+			genType const & x, 
+			genType const & y);
+
+		//! Normalize parameters and returns the dot product of x and y.
+		//! Faster that dot(fastNormalize(x), fastNormalize(y)).
+		//! From GLM_GTX_normalize_dot extension.
+		template <typename genType> 
+		typename genType::value_type fastNormalizeDot(
+			genType const & x, 
+			genType const & y);
+
+	}//namespace normalize_dot
+	}//namespace gtx
+}//namespace glm
+
+#define GLM_GTX_normalize_dot namespace gtx::fast_square_root; using namespace gtx::normalize_dot
+#ifndef GLM_GTX_GLOBAL
+namespace glm {using GLM_GTX_normalize_dot;}
+#endif//GLM_GTX_GLOBAL
+
+#include "normalize_dot.inl"
+
+#endif//glm_gtx_normalize_dot