| /////////////////////////////////////////////////////////////////////////////////// |
| /// 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_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 |
| |
| // Dependencies |
| #include "../detail/setup.hpp" |
| #include "../detail/precision.hpp" |
| #include "../detail/type_int.hpp" |
| |
| #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) |
| # 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> |
| GLM_FUNC_DECL genType next_float(genType const & x); |
| |
| /// Return the previous ULP value(s) before the input value(s). |
| /// @see gtc_ulp |
| template <typename genType> |
| GLM_FUNC_DECL genType prev_float(genType const & x); |
| |
| /// Return the value(s) ULP distance after the input value(s). |
| /// @see gtc_ulp |
| template <typename genType> |
| GLM_FUNC_DECL 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> |
| GLM_FUNC_DECL 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> |
| GLM_FUNC_DECL 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> |
| GLM_FUNC_DECL vecType<uint> float_distance(vecType<T> const & x, vecType<T> const & y); |
| |
| /// @} |
| }// namespace glm |
| |
| #include "ulp.inl" |
| |
| #endif//GLM_GTC_ulp |
| |