///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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///
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/// all copies or substantial portions of the Software.
///
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///             By making use of the Software for military purposes, you choose to make
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///
/// @ref gtx_normalize_dot
/// @file glm/gtx/normalize_dot.hpp
/// @date 2007-09-28 / 2011-06-07
/// @author Christophe Riccio
///
/// @see core (dependence)
/// @see gtx_fast_square_root (dependence)
///
/// @defgroup gtx_normalize_dot GLM_GTX_normalize_dot
/// @ingroup gtx
///
/// @brief Dot product of vectors that need to be normalize with a single square root.
///
/// <glm/gtx/normalized_dot.hpp> need to be included to use these functionalities.
///////////////////////////////////////////////////////////////////////////////////

#pragma once

// Dependency:
#include "../gtx/fast_square_root.hpp"

#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
#       pragma message("GLM: GLM_GTX_normalize_dot extension included")
#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 <typename T, precision P, template <typename, precision> class vecType>
        GLM_FUNC_DECL T normalizeDot(vecType<T, P> const & x, vecType<T, P> 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 <typename T, precision P, template <typename, precision> class vecType>
        GLM_FUNC_DECL T fastNormalizeDot(vecType<T, P> const & x, vecType<T, P> const & y);

        /// @}
}//namespace glm

#include "normalize_dot.inl"