29#ifndef _GLIBCXX_NUMBERS
30#define _GLIBCXX_NUMBERS 1
32#pragma GCC system_header
34#define __glibcxx_want_math_constants
37#ifdef __cpp_lib_math_constants
41namespace std _GLIBCXX_VISIBILITY(default)
43_GLIBCXX_BEGIN_NAMESPACE_VERSION
55 template<
typename _Tp>
56 using _Enable_if_floating = enable_if_t<is_floating_point_v<_Tp>, _Tp>;
60 template<
typename _Tp>
61 inline constexpr _Tp e_v
62 = _Enable_if_floating<_Tp>(2.718281828459045235360287471352662498L);
65 template<
typename _Tp>
66 inline constexpr _Tp log2e_v
67 = _Enable_if_floating<_Tp>(1.442695040888963407359924681001892137L);
70 template<
typename _Tp>
71 inline constexpr _Tp log10e_v
72 = _Enable_if_floating<_Tp>(0.434294481903251827651128918916605082L);
75 template<
typename _Tp>
76 inline constexpr _Tp pi_v
77 = _Enable_if_floating<_Tp>(3.141592653589793238462643383279502884L);
80 template<
typename _Tp>
81 inline constexpr _Tp inv_pi_v
82 = _Enable_if_floating<_Tp>(0.318309886183790671537767526745028724L);
85 template<
typename _Tp>
86 inline constexpr _Tp inv_sqrtpi_v
87 = _Enable_if_floating<_Tp>(0.564189583547756286948079451560772586L);
90 template<
typename _Tp>
91 inline constexpr _Tp ln2_v
92 = _Enable_if_floating<_Tp>(0.693147180559945309417232121458176568L);
95 template<
typename _Tp>
96 inline constexpr _Tp ln10_v
97 = _Enable_if_floating<_Tp>(2.302585092994045684017991454684364208L);
100 template<
typename _Tp>
101 inline constexpr _Tp sqrt2_v
102 = _Enable_if_floating<_Tp>(1.414213562373095048801688724209698079L);
105 template<
typename _Tp>
106 inline constexpr _Tp sqrt3_v
107 = _Enable_if_floating<_Tp>(1.732050807568877293527446341505872367L);
110 template<
typename _Tp>
111 inline constexpr _Tp inv_sqrt3_v
112 = _Enable_if_floating<_Tp>(0.577350269189625764509148780501957456L);
115 template<
typename _Tp>
116 inline constexpr _Tp egamma_v
117 = _Enable_if_floating<_Tp>(0.577215664901532860606512090082402431L);
120 template<
typename _Tp>
121 inline constexpr _Tp phi_v
122 = _Enable_if_floating<_Tp>(1.618033988749894848204586834365638118L);
124 inline constexpr double e = e_v<double>;
125 inline constexpr double log2e = log2e_v<double>;
126 inline constexpr double log10e = log10e_v<double>;
127 inline constexpr double pi = pi_v<double>;
128 inline constexpr double inv_pi = inv_pi_v<double>;
129 inline constexpr double inv_sqrtpi = inv_sqrtpi_v<double>;
130 inline constexpr double ln2 = ln2_v<double>;
131 inline constexpr double ln10 = ln10_v<double>;
132 inline constexpr double sqrt2 = sqrt2_v<double>;
133 inline constexpr double sqrt3 = sqrt3_v<double>;
134 inline constexpr double inv_sqrt3 = inv_sqrt3_v<double>;
135 inline constexpr double egamma = egamma_v<double>;
136 inline constexpr double phi = phi_v<double>;
138#define __glibcxx_numbers(TYPE, SUFFIX) \
141 inline constexpr TYPE e_v<TYPE> \
142 = 2.718281828459045235360287471352662498##SUFFIX; \
146 inline constexpr TYPE log2e_v<TYPE> \
147 = 1.442695040888963407359924681001892137##SUFFIX; \
151 inline constexpr TYPE log10e_v<TYPE> \
152 = 0.434294481903251827651128918916605082##SUFFIX; \
156 inline constexpr TYPE pi_v<TYPE> \
157 = 3.141592653589793238462643383279502884##SUFFIX; \
161 inline constexpr TYPE inv_pi_v<TYPE> \
162 = 0.318309886183790671537767526745028724##SUFFIX; \
166 inline constexpr TYPE inv_sqrtpi_v<TYPE> \
167 = 0.564189583547756286948079451560772586##SUFFIX; \
171 inline constexpr TYPE ln2_v<TYPE> \
172 = 0.693147180559945309417232121458176568##SUFFIX; \
176 inline constexpr TYPE ln10_v<TYPE> \
177 = 2.302585092994045684017991454684364208##SUFFIX; \
181 inline constexpr TYPE sqrt2_v<TYPE> \
182 = 1.414213562373095048801688724209698079##SUFFIX; \
186 inline constexpr TYPE sqrt3_v<TYPE> \
187 = 1.732050807568877293527446341505872367##SUFFIX; \
191 inline constexpr TYPE inv_sqrt3_v<TYPE> \
192 = 0.577350269189625764509148780501957456##SUFFIX; \
196 inline constexpr TYPE egamma_v<TYPE> \
197 = 0.577215664901532860606512090082402431##SUFFIX; \
201 inline constexpr TYPE phi_v<TYPE> \
202 = 1.618033988749894848204586834365638118##SUFFIX
204#ifdef __STDCPP_FLOAT16_T__
205__glibcxx_numbers (_Float16, F16);
208#ifdef __STDCPP_FLOAT32_T__
209__glibcxx_numbers (_Float32, F32);
212#ifdef __STDCPP_FLOAT64_T__
213__glibcxx_numbers (_Float64, F64);
216#ifdef __STDCPP_FLOAT128_T__
217__glibcxx_numbers (_Float128, F128);
220#ifdef __STDCPP_BFLOAT128_T__
221__glibcxx_numbers (__gnu_cxx::__bfloat16_t, BF16);
224#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128) && !defined(__CUDACC__)
225__glibcxx_numbers (__float128, Q);
228#undef __glibcxx_numbers
232_GLIBCXX_END_NAMESPACE_VERSION
ISO C++ entities toplevel namespace is std.