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Diffstat (limited to 'include/gal/opengl/glm/gtc/ulp.hpp')
| -rw-r--r-- | include/gal/opengl/glm/gtc/ulp.hpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/include/gal/opengl/glm/gtc/ulp.hpp b/include/gal/opengl/glm/gtc/ulp.hpp new file mode 100644 index 0000000..7ab0d6a --- /dev/null +++ b/include/gal/opengl/glm/gtc/ulp.hpp @@ -0,0 +1,90 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// OpenGL Mathematics (glm.g-truc.net) +/// +/// Copyright (c) 2005 - 2013 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_ulp +/// @file glm/gtc/ulp.hpp +/// @date 2011-02-21 / 2011-12-12 +/// @author Christophe Riccio +/// +/// @see core (dependence) +/// +/// @defgroup gtc_ulp GLM_GTC_ulp +/// @ingroup gtc +/// +/// @brief Allow the measurement of the accuracy of a function against a reference +/// implementation. This extension works on floating-point data and provide results +/// in ULP. +/// <glm/gtc/ulp.hpp> need to be included to use these features. +/////////////////////////////////////////////////////////////////////////////////// + +#ifndef GLM_GTC_ulp +#define GLM_GTC_ulp GLM_VERSION + +// Dependency: +#include "../glm.hpp" + +#if(defined(GLM_MESSAGES) && !defined(glm_ext)) +# pragma message("GLM: GLM_GTC_ulp extension included") +#endif + +namespace glm +{ + /// @addtogroup gtc_ulp + /// @{ + + /// Return the next ULP value(s) after the input value(s). + /// @see gtc_ulp + template <typename genType> + genType next_float(genType const & x); + + /// Return the previous ULP value(s) before the input value(s). + /// @see gtc_ulp + template <typename genType> + genType prev_float(genType const & x); + + /// Return the value(s) ULP distance after the input value(s). + /// @see gtc_ulp + template <typename genType> + genType next_float(genType const & x, uint const & Distance); + + /// Return the value(s) ULP distance before the input value(s). + /// @see gtc_ulp + template <typename genType> + genType prev_float(genType const & x, uint const & Distance); + + /// Return the distance in the number of ULP between 2 scalars. + /// @see gtc_ulp + template <typename T> + uint float_distance(T const & x, T const & y); + + /// Return the distance in the number of ULP between 2 vectors. + /// @see gtc_ulp + template<typename T, template<typename> class vecType> + vecType<uint> float_distance(vecType<T> const & x, vecType<T> const & y); + + /// @} +}// namespace glm + +#include "ulp.inl" + +#endif//GLM_GTC_ulp + |