vector_angle.hpp

// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
// Created : 2005-12-30
// Updated : 2006-11-13
// Licence : This source is under MIT License
// File    : glm/gtx/vector_angle.hpp
// Dependency:
// - GLM core
// - GLM_GTX_quaternion
// - GLM_GTX_epsilon

#ifndef glm_gtx_vector_angle
#define glm_gtx_vector_angle

// Dependency:
#include "../glm.hpp"
#include "../gtx/quaternion.hpp"
#include "../gtx/epsilon.hpp"

#if(defined(GLM_MESSAGES) && !defined(glm_ext))
#       pragma message("GLM: GLM_GTX_vector_angle extension included")
#endif

namespace glm
{
        namespace test{
                void main_gtx_vector_angle();
        }//namespace test

    namespace gtx{
    namespace vector_angle
    {
                using namespace quaternion;
                using namespace epsilon;


                template <typename vecType> 
                typename vecType::value_type angle(
                        vecType const & x, 
                        vecType const & y);

                template <typename vecType> 
                typename vecType::value_type orientedAngle(
                        vecType const & x, 
                        vecType const & y);

                template <typename vecType>
                typename vecType::value_type orientedAngleFromRef(
                        vecType const & x,
                        vecType const & y,
                        detail::tvec3<typename vecType::value_type> const & ref);

    }//namespace vector_angle
    }//namespace gtx
}//namespace glm

#include "vector_angle.inl"

namespace glm{using namespace gtx::vector_angle;}

#endif//glm_gtx_vector_angle