FlukyEngine
ulp.hpp
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1 
15 #pragma once
16 
17 // Dependencies
18 #include "../detail/setup.hpp"
19 #include "../detail/qualifier.hpp"
20 #include "../detail/_vectorize.hpp"
21 #include "../ext/scalar_int_sized.hpp"
22 
23 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
24 # pragma message("GLM: GLM_GTC_ulp extension included")
25 #endif
26 
27 namespace glm
28 {
34  template<typename genType>
35  GLM_FUNC_DECL genType next_float(genType x);
36 
42  template<typename genType>
43  GLM_FUNC_DECL genType prev_float(genType x);
44 
50  template<typename genType>
51  GLM_FUNC_DECL genType next_float(genType x, int ULPs);
52 
58  template<typename genType>
59  GLM_FUNC_DECL genType prev_float(genType x, int ULPs);
60 
64  GLM_FUNC_DECL int float_distance(float x, float y);
65 
69  GLM_FUNC_DECL int64 float_distance(double x, double y);
70 
78  template<length_t L, typename T, qualifier Q>
79  GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x);
80 
88  template<length_t L, typename T, qualifier Q>
89  GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x, int ULPs);
90 
98  template<length_t L, typename T, qualifier Q>
99  GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x, vec<L, int, Q> const& ULPs);
100 
108  template<length_t L, typename T, qualifier Q>
109  GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x);
110 
118  template<length_t L, typename T, qualifier Q>
119  GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x, int ULPs);
120 
128  template<length_t L, typename T, qualifier Q>
129  GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x, vec<L, int, Q> const& ULPs);
130 
137  template<length_t L, typename T, qualifier Q>
138  GLM_FUNC_DECL vec<L, int, Q> float_distance(vec<L, float, Q> const& x, vec<L, float, Q> const& y);
139 
146  template<length_t L, typename T, qualifier Q>
147  GLM_FUNC_DECL vec<L, int64, Q> float_distance(vec<L, double, Q> const& x, vec<L, double, Q> const& y);
148 
150 }//namespace glm
151 
152 #include "ulp.inl"
Core features
Definition: common.hpp:20
GLM_FUNC_DECL genType prev_float(genType x)
Return the previous ULP value(s) before the input value(s).
GLM_FUNC_DECL int float_distance(float x, float y)
Return the distance in the number of ULP between 2 single-precision floating-point scalars...
Definition: ulp.inl:85
GLM_FUNC_DECL genType next_float(genType x)
Return the next ULP value(s) after the input value(s).
detail::int64 int64
64 bit signed integer type.
Definition: scalar_int_sized.hpp:67