///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
/// 
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
/// 
/// Restrictions:
///             By making use of the Software for military purposes, you choose to make
///             a Bunny unhappy.
/// 
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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///
/// @ref gtx_normalize_dot
/// @file glm/gtx/normalize_dot.inl
/// @date 2007-09-28 / 2008-10-07
/// @author Christophe Riccio
//////////////////////////////////////////////////////////////////////////////////

namespace glm
{
        template <typename T, precision P, template <typename, precision> class vecType>
        GLM_FUNC_QUALIFIER T normalizeDot(vecType<T, P> const & x, vecType<T, P> const & y)
        {
                return glm::dot(x, y) * glm::inversesqrt(glm::dot(x, x) * glm::dot(y, y));
        }

        template <typename T, precision P, template <typename, precision> class vecType>
        GLM_FUNC_QUALIFIER T fastNormalizeDot(vecType<T, P> const & x, vecType<T, P> const & y)
        {
                return glm::dot(x, y) * glm::fastInverseSqrt(glm::dot(x, x) * glm::dot(y, y));
        }
}//namespace glm