64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
|
/// @ref gtc_ulp
|
||
|
|
/// @file glm/gtc/ulp.hpp
|
||
|
|
///
|
||
|
|
/// @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.
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
// Dependencies
|
||
|
|
#include "../detail/setup.hpp"
|
||
|
|
#include "../detail/precision.hpp"
|
||
|
|
#include "../detail/type_int.hpp"
|
||
|
|
|
||
|
|
#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !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"
|