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70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2011-02-21
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// Updated : 2009-02-21
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// Licence : This source is under MIT License
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// File : glm/gtx/ulp.hpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Dependency:
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// - GLM core
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef glm_gtx_ulp
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#define glm_gtx_ulp
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// Dependency:
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#include "../glm.hpp"
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#if(defined(GLM_MESSAGES) && !defined(glm_ext))
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# pragma message("GLM: GLM_GTX_ulp extension included")
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#endif
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namespace glm{
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namespace gtx{
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namespace ulp ///< GLM_GTX_ulp extension: Precision calculation functions
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{
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/// \addtogroup gtx_ulp
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/// @{
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//! Return the next ULP value(s) after the input value(s).
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//! From GLM_GTX_ulp extension.
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template <typename genType>
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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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//! From GLM_GTX_ulp extension.
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template <typename genType>
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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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//! From GLM_GTX_ulp extension.
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template <typename genType>
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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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//! From GLM_GTX_ulp extension.
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template <typename genType>
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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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//! From GLM_GTX_ulp extension.
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template <typename T>
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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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//! From GLM_GTX_ulp extension.
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template<typename T, template<typename> class vecType>
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vecType<uint> float_distance(vecType<T> const & x, vecType<T> const & y);
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///@}
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}// namespace ulp
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}// namespace gtx
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}// namespace glm
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#include "ulp.inl"
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namespace glm{using namespace gtx::ulp;}
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#endif//glm_gtx_ulp
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