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diff --git a/inc/glm/gtx/vector_angle.inl b/inc/glm/gtx/vector_angle.inl
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-///////////////////////////////////////////////////////////////////////////////////
-/// 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
-/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-/// THE SOFTWARE.
-///
-/// @ref gtx_vector_angle
-/// @file glm/gtx/vector_angle.inl
-/// @date 2005-12-30 / 2011-06-07
-/// @author Christophe Riccio
-///////////////////////////////////////////////////////////////////////////////////
-
-namespace glm
-{
- template <typename genType>
- GLM_FUNC_QUALIFIER genType angle
- (
- genType const & x,
- genType const & y
- )
- {
- GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'angle' only accept floating-point inputs");
- return acos(clamp(dot(x, y), genType(-1), genType(1)));
- }
-
- template <typename T, precision P, template <typename, precision> class vecType>
- GLM_FUNC_QUALIFIER T angle
- (
- vecType<T, P> const & x,
- vecType<T, P> const & y
- )
- {
- GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'angle' only accept floating-point inputs");
- return acos(clamp(dot(x, y), T(-1), T(1)));
- }
-
- //! \todo epsilon is hard coded to 0.01
- template <typename T, precision P>
- GLM_FUNC_QUALIFIER T orientedAngle
- (
- tvec2<T, P> const & x,
- tvec2<T, P> const & y
- )
- {
- GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'orientedAngle' only accept floating-point inputs");
- T const Angle(acos(clamp(dot(x, y), T(-1), T(1))));
-
- if(all(epsilonEqual(y, glm::rotate(x, Angle), T(0.0001))))
- return Angle;
- else
- return -Angle;
- }
-
- template <typename T, precision P>
- GLM_FUNC_QUALIFIER T orientedAngle
- (
- tvec3<T, P> const & x,
- tvec3<T, P> const & y,
- tvec3<T, P> const & ref
- )
- {
- GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'orientedAngle' only accept floating-point inputs");
-
- T const Angle(acos(clamp(dot(x, y), T(-1), T(1))));
- return mix(Angle, -Angle, dot(ref, cross(x, y)) < T(0));
- }
-}//namespace glm