diff options
Diffstat (limited to '3rdparty/include/glm/gtx/normalize_dot.inl')
| -rw-r--r-- | 3rdparty/include/glm/gtx/normalize_dot.inl | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/3rdparty/include/glm/gtx/normalize_dot.inl b/3rdparty/include/glm/gtx/normalize_dot.inl new file mode 100644 index 0000000..80df8dd --- /dev/null +++ b/3rdparty/include/glm/gtx/normalize_dot.inl @@ -0,0 +1,46 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// 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_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 |