287 lines
6.9 KiB
C++
287 lines
6.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtc_epsilon
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/// @file glm/gtc/epsilon.inl
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/// @date 2012-04-07 / 2012-04-07
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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namespace glm
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{
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GLM_FUNC_QUALIFIER bool epsilonEqual
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(
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glm::half const & x,
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glm::half const & y,
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glm::half const & epsilon
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)
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{
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return abs(x - y) < epsilon;
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}
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GLM_FUNC_QUALIFIER bool epsilonEqual
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(
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float const & x,
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float const & y,
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float const & epsilon
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)
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{
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return abs(x - y) < epsilon;
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}
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GLM_FUNC_QUALIFIER bool epsilonEqual
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(
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double const & x,
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double const & y,
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double const & epsilon
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)
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{
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return abs(x - y) < epsilon;
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}
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GLM_FUNC_QUALIFIER bool epsilonNotEqual
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(
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glm::half const & x,
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glm::half const & y,
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glm::half const & epsilon
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)
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{
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return abs(x - y) >= epsilon;
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}
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GLM_FUNC_QUALIFIER bool epsilonNotEqual
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(
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float const & x,
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float const & y,
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float const & epsilon
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)
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{
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return abs(x - y) >= epsilon;
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}
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GLM_FUNC_QUALIFIER bool epsilonNotEqual
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(
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double const & x,
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double const & y,
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double const & epsilon
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)
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{
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return abs(x - y) >= epsilon;
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec2<bool> epsilonEqual
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(
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detail::tvec2<valType> const & x,
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detail::tvec2<valType> const & y,
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valType const & epsilon)
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{
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return detail::tvec2<bool>(
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abs(x.x - y.x) < epsilon,
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abs(x.y - y.y) < epsilon);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec2<bool> epsilonEqual
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(
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detail::tvec2<valType> const & x,
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detail::tvec2<valType> const & y,
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detail::tvec2<valType> const & epsilon
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)
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{
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return detail::tvec2<bool>(
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abs(x.x - y.x) < epsilon.x,
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abs(x.y - y.y) < epsilon.y);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec3<bool> epsilonEqual
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(
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detail::tvec3<valType> const & x,
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detail::tvec3<valType> const & y,
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valType const & epsilon)
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{
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return detail::tvec3<bool>(
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abs(x.x - y.x) < epsilon,
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abs(x.y - y.y) < epsilon,
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abs(x.z - y.z) < epsilon);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec3<bool> epsilonEqual
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(
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detail::tvec3<valType> const & x,
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detail::tvec3<valType> const & y,
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detail::tvec3<valType> const & epsilon
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)
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{
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return detail::tvec3<bool>(
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abs(x.x - y.x) < epsilon.x,
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abs(x.y - y.y) < epsilon.y,
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abs(x.z - y.z) < epsilon.z);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec4<bool> epsilonEqual
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(
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detail::tvec4<valType> const & x,
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detail::tvec4<valType> const & y,
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valType const & epsilon
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)
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{
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return detail::tvec4<bool>(
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abs(x.x - y.x) < epsilon,
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abs(x.y - y.y) < epsilon,
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abs(x.z - y.z) < epsilon,
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abs(x.w - y.w) < epsilon);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec4<bool> epsilonEqual
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(
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detail::tvec4<valType> const & x,
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detail::tvec4<valType> const & y,
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detail::tvec4<valType> const & epsilon
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)
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{
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return detail::tvec4<bool>(
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abs(x.x - y.x) < epsilon.x,
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abs(x.y - y.y) < epsilon.y,
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abs(x.z - y.z) < epsilon.z,
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abs(x.w - y.w) < epsilon.w);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec2<bool> epsilonNotEqual
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(
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detail::tvec2<valType> const & x,
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detail::tvec2<valType> const & y,
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valType const & epsilon
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)
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{
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return detail::tvec2<bool>(
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abs(x.x - y.x) >= epsilon,
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abs(x.y - y.y) >= epsilon);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec2<bool> epsilonNotEqual
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(
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detail::tvec2<valType> const & x,
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detail::tvec2<valType> const & y,
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detail::tvec2<valType> const & epsilon
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)
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{
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return detail::tvec2<bool>(
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abs(x.x - y.x) >= epsilon.x,
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abs(x.y - y.y) >= epsilon.y);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec3<bool> epsilonNotEqual
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(
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detail::tvec3<valType> const & x,
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detail::tvec3<valType> const & y,
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valType const & epsilon
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)
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{
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return detail::tvec3<bool>(
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abs(x.x - y.x) >= epsilon,
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abs(x.y - y.y) >= epsilon,
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abs(x.z - y.z) >= epsilon);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec3<bool> epsilonNotEqual
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(
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detail::tvec3<valType> const & x,
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detail::tvec3<valType> const & y,
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detail::tvec3<valType> const & epsilon
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)
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{
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return detail::tvec3<bool>(
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abs(x.x - y.x) >= epsilon.x,
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abs(x.y - y.y) >= epsilon.y,
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abs(x.z - y.z) >= epsilon.z);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec4<bool> epsilonNotEqual
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(
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detail::tvec4<valType> const & x,
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detail::tvec4<valType> const & y,
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valType const & epsilon
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)
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{
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return detail::tvec4<bool>(
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abs(x.x - y.x) >= epsilon,
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abs(x.y - y.y) >= epsilon,
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abs(x.z - y.z) >= epsilon,
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abs(x.w - y.w) >= epsilon);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec4<bool> epsilonNotEqual
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(
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detail::tvec4<valType> const & x,
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detail::tvec4<valType> const & y,
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detail::tvec4<valType> const & epsilon
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)
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{
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return detail::tvec4<bool>(
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abs(x.x - y.x) >= epsilon.x,
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abs(x.y - y.y) >= epsilon.y,
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abs(x.z - y.z) >= epsilon.z,
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abs(x.w - y.w) >= epsilon.w);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec4<bool> epsilonEqual
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(
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detail::tquat<valType> const & x,
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detail::tquat<valType> const & y,
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valType const & epsilon
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)
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{
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return detail::tvec4<bool>(
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abs(x.x - y.x) < epsilon,
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abs(x.y - y.y) < epsilon,
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abs(x.z - y.z) < epsilon,
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abs(x.w - y.w) < epsilon);
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER detail::tvec4<bool> epsilonNotEqual
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(
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detail::tquat<valType> const & x,
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detail::tquat<valType> const & y,
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valType const & epsilon
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)
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{
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return detail::tvec4<bool>(
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abs(x.x - y.x) >= epsilon,
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abs(x.y - y.y) >= epsilon,
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abs(x.z - y.z) >= epsilon,
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abs(x.w - y.w) >= epsilon);
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}
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}//namespace glm
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