64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
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/// @ref gtc_ulp
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/// @file glm/gtc/ulp.hpp
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///
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/// @see core (dependence)
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///
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/// @defgroup gtc_ulp GLM_GTC_ulp
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/// @ingroup gtc
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///
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/// @brief Allow the measurement of the accuracy of a function against a reference
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/// implementation. This extension works on floating-point data and provide results
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/// in ULP.
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/// <glm/gtc/ulp.hpp> need to be included to use these features.
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#pragma once
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// Dependencies
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#include "../detail/setup.hpp"
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#include "../detail/precision.hpp"
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#include "../detail/type_int.hpp"
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#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
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# pragma message("GLM: GLM_GTC_ulp extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtc_ulp
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/// @{
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/// Return the next ULP value(s) after the input value(s).
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/// @see gtc_ulp
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template <typename genType>
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GLM_FUNC_DECL genType next_float(genType const & x);
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/// Return the previous ULP value(s) before the input value(s).
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/// @see gtc_ulp
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template <typename genType>
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GLM_FUNC_DECL genType prev_float(genType const & x);
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/// Return the value(s) ULP distance after the input value(s).
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/// @see gtc_ulp
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template <typename genType>
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GLM_FUNC_DECL genType next_float(genType const & x, uint const & Distance);
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/// Return the value(s) ULP distance before the input value(s).
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/// @see gtc_ulp
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template <typename genType>
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GLM_FUNC_DECL genType prev_float(genType const & x, uint const & Distance);
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/// Return the distance in the number of ULP between 2 scalars.
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/// @see gtc_ulp
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template <typename T>
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GLM_FUNC_DECL uint float_distance(T const & x, T const & y);
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/// Return the distance in the number of ULP between 2 vectors.
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/// @see gtc_ulp
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template<typename T, template<typename> class vecType>
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GLM_FUNC_DECL vecType<uint> float_distance(vecType<T> const & x, vecType<T> const & y);
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/// @}
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}// namespace glm
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#include "ulp.inl"
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