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Diffstat (limited to '3rdparty/include/glm/gtx/matrix_query.inl')
| -rw-r--r-- | 3rdparty/include/glm/gtx/matrix_query.inl | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/3rdparty/include/glm/gtx/matrix_query.inl b/3rdparty/include/glm/gtx/matrix_query.inl new file mode 100644 index 0000000..d913116 --- /dev/null +++ b/3rdparty/include/glm/gtx/matrix_query.inl @@ -0,0 +1,143 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// 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_matrix_query +/// @file glm/gtx/matrix_query.inl +/// @date 2007-03-05 / 2007-03-05 +/// @author Christophe Riccio +/////////////////////////////////////////////////////////////////////////////////// + +namespace glm +{ + template<typename T, precision P> + GLM_FUNC_QUALIFIER bool isNull(tmat2x2<T, P> const & m, T const & epsilon) + { + bool result = true; + for(detail::component_count_t i = 0; result && i < 2 ; ++i) + result = isNull(m[i], epsilon); + return result; + } + + template<typename T, precision P> + GLM_FUNC_QUALIFIER bool isNull(tmat3x3<T, P> const & m, T const & epsilon) + { + bool result = true; + for(detail::component_count_t i = 0; result && i < 3 ; ++i) + result = isNull(m[i], epsilon); + return result; + } + + template<typename T, precision P> + GLM_FUNC_QUALIFIER bool isNull(tmat4x4<T, P> const & m, T const & epsilon) + { + bool result = true; + for(detail::component_count_t i = 0; result && i < 4 ; ++i) + result = isNull(m[i], epsilon); + return result; + } + + template<typename T, precision P, template <typename, precision> class matType> + GLM_FUNC_QUALIFIER bool isIdentity(matType<T, P> const & m, T const & epsilon) + { + bool result = true; + for(detail::component_count_t i(0); result && i < detail::component_count(m[0]); ++i) + { + for(detail::component_count_t j(0); result && j < i ; ++j) + result = abs(m[i][j]) <= epsilon; + if(result) + result = abs(m[i][i] - 1) <= epsilon; + for(detail::component_count_t j(i + 1); result && j < detail::component_count(m); ++j) + result = abs(m[i][j]) <= epsilon; + } + return result; + } + + template<typename T, precision P> + GLM_FUNC_QUALIFIER bool isNormalized(tmat2x2<T, P> const & m, T const & epsilon) + { + bool result(true); + for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) + result = isNormalized(m[i], epsilon); + for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) + { + typename tmat2x2<T, P>::col_type v; + for(detail::component_count_t j(0); j < detail::component_count(m); ++j) + v[j] = m[j][i]; + result = isNormalized(v, epsilon); + } + return result; + } + + template<typename T, precision P> + GLM_FUNC_QUALIFIER bool isNormalized(tmat3x3<T, P> const & m, T const & epsilon) + { + bool result(true); + for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) + result = isNormalized(m[i], epsilon); + for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) + { + typename tmat3x3<T, P>::col_type v; + for(detail::component_count_t j(0); j < detail::component_count(m); ++j) + v[j] = m[j][i]; + result = isNormalized(v, epsilon); + } + return result; + } + + template<typename T, precision P> + GLM_FUNC_QUALIFIER bool isNormalized(tmat4x4<T, P> const & m, T const & epsilon) + { + bool result(true); + for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) + result = isNormalized(m[i], epsilon); + for(detail::component_count_t i(0); result && i < detail::component_count(m); ++i) + { + typename tmat4x4<T, P>::col_type v; + for(detail::component_count_t j(0); j < detail::component_count(m); ++j) + v[j] = m[j][i]; + result = isNormalized(v, epsilon); + } + return result; + } + + template<typename T, precision P, template <typename, precision> class matType> + GLM_FUNC_QUALIFIER bool isOrthogonal(matType<T, P> const & m, T const & epsilon) + { + bool result(true); + for(detail::component_count_t i(0); result && i < detail::component_count(m) - 1; ++i) + for(detail::component_count_t j(i + 1); result && j < detail::component_count(m); ++j) + result = areOrthogonal(m[i], m[j], epsilon); + + if(result) + { + matType<T, P> tmp = transpose(m); + for(detail::component_count_t i(0); result && i < detail::component_count(m) - 1 ; ++i) + for(detail::component_count_t j(i + 1); result && j < detail::component_count(m); ++j) + result = areOrthogonal(tmp[i], tmp[j], epsilon); + } + return result; + } +}//namespace glm |