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Diffstat (limited to 'Project/glm/gtc/ulp.hpp')
| -rw-r--r-- | Project/glm/gtc/ulp.hpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/Project/glm/gtc/ulp.hpp b/Project/glm/gtc/ulp.hpp new file mode 100644 index 0000000..0d80a75 --- /dev/null +++ b/Project/glm/gtc/ulp.hpp @@ -0,0 +1,152 @@ +/// @ref gtc_ulp +/// @file glm/gtc/ulp.hpp +/// +/// @see core (dependence) +/// +/// @defgroup gtc_ulp GLM_GTC_ulp +/// @ingroup gtc +/// +/// Include <glm/gtc/ulp.hpp> to use the features of this extension. +/// +/// 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. + +#pragma once + +// Dependencies +#include "../detail/setup.hpp" +#include "../detail/qualifier.hpp" +#include "../detail/_vectorize.hpp" +#include "../ext/scalar_int_sized.hpp" + +#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED) +# pragma message("GLM: GLM_GTC_ulp extension included") +#endif + +namespace glm +{ + /// Return the next ULP value(s) after the input value(s). + /// + /// @tparam genType A floating-point scalar type. + /// + /// @see gtc_ulp + template<typename genType> + GLM_FUNC_DECL genType next_float(genType x); + + /// Return the previous ULP value(s) before the input value(s). + /// + /// @tparam genType A floating-point scalar type. + /// + /// @see gtc_ulp + template<typename genType> + GLM_FUNC_DECL genType prev_float(genType x); + + /// Return the value(s) ULP distance after the input value(s). + /// + /// @tparam genType A floating-point scalar type. + /// + /// @see gtc_ulp + template<typename genType> + GLM_FUNC_DECL genType next_float(genType x, int ULPs); + + /// Return the value(s) ULP distance before the input value(s). + /// + /// @tparam genType A floating-point scalar type. + /// + /// @see gtc_ulp + template<typename genType> + GLM_FUNC_DECL genType prev_float(genType x, int ULPs); + + /// Return the distance in the number of ULP between 2 single-precision floating-point scalars. + /// + /// @see gtc_ulp + GLM_FUNC_DECL int float_distance(float x, float y); + + /// Return the distance in the number of ULP between 2 double-precision floating-point scalars. + /// + /// @see gtc_ulp + GLM_FUNC_DECL int64 float_distance(double x, double y); + + /// Return the next ULP value(s) after the input value(s). + /// + /// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector + /// @tparam T Floating-point + /// @tparam Q Value from qualifier enum + /// + /// @see gtc_ulp + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x); + + /// Return the value(s) ULP distance after the input value(s). + /// + /// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector + /// @tparam T Floating-point + /// @tparam Q Value from qualifier enum + /// + /// @see gtc_ulp + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x, int ULPs); + + /// Return the value(s) ULP distance after the input value(s). + /// + /// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector + /// @tparam T Floating-point + /// @tparam Q Value from qualifier enum + /// + /// @see gtc_ulp + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x, vec<L, int, Q> const& ULPs); + + /// Return the previous ULP value(s) before the input value(s). + /// + /// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector + /// @tparam T Floating-point + /// @tparam Q Value from qualifier enum + /// + /// @see gtc_ulp + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x); + + /// Return the value(s) ULP distance before the input value(s). + /// + /// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector + /// @tparam T Floating-point + /// @tparam Q Value from qualifier enum + /// + /// @see gtc_ulp + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x, int ULPs); + + /// Return the value(s) ULP distance before the input value(s). + /// + /// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector + /// @tparam T Floating-point + /// @tparam Q Value from qualifier enum + /// + /// @see gtc_ulp + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x, vec<L, int, Q> const& ULPs); + + /// Return the distance in the number of ULP between 2 single-precision floating-point scalars. + /// + /// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector + /// @tparam Q Value from qualifier enum + /// + /// @see gtc_ulp + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, int, Q> float_distance(vec<L, float, Q> const& x, vec<L, float, Q> const& y); + + /// Return the distance in the number of ULP between 2 double-precision floating-point scalars. + /// + /// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector + /// @tparam Q Value from qualifier enum + /// + /// @see gtc_ulp + template<length_t L, typename T, qualifier Q> + GLM_FUNC_DECL vec<L, int64, Q> float_distance(vec<L, double, Q> const& x, vec<L, double, Q> const& y); + + /// @} +}//namespace glm + +#include "ulp.inl" |