| /////////////////////////////////////////////////////////////////////////////////// |
| /// OpenGL Mathematics (glm.g-truc.net) |
| /// |
| /// Copyright (c) 2005 - 2014 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. |
| /// |
| /// 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 gtc_epsilon |
| /// @file glm/gtc/epsilon.inl |
| /// @date 2012-04-07 / 2012-04-07 |
| /// @author Christophe Riccio |
| /////////////////////////////////////////////////////////////////////////////////// |
| |
| // Dependency: |
| #include "quaternion.hpp" |
| #include "../vector_relational.hpp" |
| #include "../common.hpp" |
| #include "../vec2.hpp" |
| #include "../vec3.hpp" |
| #include "../vec4.hpp" |
| |
| namespace glm |
| { |
| template <> |
| GLM_FUNC_QUALIFIER bool epsilonEqual |
| ( |
| float const & x, |
| float const & y, |
| float const & epsilon |
| ) |
| { |
| return abs(x - y) < epsilon; |
| } |
| |
| template <> |
| GLM_FUNC_QUALIFIER bool epsilonEqual |
| ( |
| double const & x, |
| double const & y, |
| double const & epsilon |
| ) |
| { |
| return abs(x - y) < epsilon; |
| } |
| |
| template <> |
| GLM_FUNC_QUALIFIER bool epsilonNotEqual |
| ( |
| float const & x, |
| float const & y, |
| float const & epsilon |
| ) |
| { |
| return abs(x - y) >= epsilon; |
| } |
| |
| template <> |
| GLM_FUNC_QUALIFIER bool epsilonNotEqual |
| ( |
| double const & x, |
| double const & y, |
| double const & epsilon |
| ) |
| { |
| return abs(x - y) >= epsilon; |
| } |
| |
| template <typename T, precision P, template <typename, precision> class vecType> |
| GLM_FUNC_QUALIFIER vecType<bool, P> epsilonEqual |
| ( |
| vecType<T, P> const & x, |
| vecType<T, P> const & y, |
| T const & epsilon |
| ) |
| { |
| return lessThan(abs(x - y), vecType<T, P>(epsilon)); |
| } |
| |
| template <typename T, precision P, template <typename, precision> class vecType> |
| GLM_FUNC_QUALIFIER vecType<bool, P> epsilonEqual |
| ( |
| vecType<T, P> const & x, |
| vecType<T, P> const & y, |
| vecType<T, P> const & epsilon |
| ) |
| { |
| return lessThan(abs(x - y), vecType<T, P>(epsilon)); |
| } |
| |
| template <typename T, precision P, template <typename, precision> class vecType> |
| GLM_FUNC_QUALIFIER vecType<bool, P> epsilonNotEqual |
| ( |
| vecType<T, P> const & x, |
| vecType<T, P> const & y, |
| T const & epsilon |
| ) |
| { |
| return greaterThanEqual(abs(x - y), vecType<T, P>(epsilon)); |
| } |
| |
| template <typename T, precision P, template <typename, precision> class vecType> |
| GLM_FUNC_QUALIFIER vecType<bool, P> epsilonNotEqual |
| ( |
| vecType<T, P> const & x, |
| vecType<T, P> const & y, |
| vecType<T, P> const & epsilon |
| ) |
| { |
| return greaterThanEqual(abs(x - y), vecType<T, P>(epsilon)); |
| } |
| |
| template <typename T, precision P> |
| GLM_FUNC_QUALIFIER detail::tvec4<bool, P> epsilonEqual |
| ( |
| detail::tquat<T, P> const & x, |
| detail::tquat<T, P> const & y, |
| T const & epsilon |
| ) |
| { |
| detail::tvec4<T, P> v(x.x - y.x, x.y - y.y, x.z - y.z, x.w - y.w); |
| return lessThan(abs(v), detail::tvec4<T, P>(epsilon)); |
| } |
| |
| template <typename T, precision P> |
| GLM_FUNC_QUALIFIER detail::tvec4<bool, P> epsilonNotEqual |
| ( |
| detail::tquat<T, P> const & x, |
| detail::tquat<T, P> const & y, |
| T const & epsilon |
| ) |
| { |
| detail::tvec4<T, P> v(x.x - y.x, x.y - y.y, x.z - y.z, x.w - y.w); |
| return greaterThanEqual(abs(v), detail::tvec4<T, P>(epsilon)); |
| } |
| }//namespace glm |