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diff --git a/include/gal/opengl/glm/gtx/orthonormalize.inl b/include/gal/opengl/glm/gtx/orthonormalize.inl
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+++ b/include/gal/opengl/glm/gtx/orthonormalize.inl
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+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2005-12-21
+// Licence : This source is under MIT License
+// File    : glm/gtx/orthonormalize.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> orthonormalize
+	(
+		const detail::tmat3x3<T>& m
+	)
+	{
+		detail::tmat3x3<T> r = m;
+
+		r[0] = normalize(r[0]);
+
+		float d0 = dot(r[0], r[1]);
+		r[1] -= r[0] * d0;
+		r[1] = normalize(r[1]);
+
+		float d1 = dot(r[1], r[2]);
+		d0 = dot(r[0], r[2]);
+		r[2] -= r[0] * d0 + r[1] * d1;
+		r[2] = normalize(r[2]);
+
+		return r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> orthonormalize
+	(
+		const detail::tvec3<T>& x, 
+		const detail::tvec3<T>& y
+	)
+	{
+		return normalize(x - y * dot(y, x));
+	}
+}//namespace glm