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1// -*- C++ -*-2//===----------------------------------------------------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP_NUMBERS11#define _LIBCPP_NUMBERS12 13/*14 numbers synopsis15 16namespace std::numbers {17 template<class T> inline constexpr T e_v = unspecified;18 template<class T> inline constexpr T log2e_v = unspecified;19 template<class T> inline constexpr T log10e_v = unspecified;20 template<class T> inline constexpr T pi_v = unspecified;21 template<class T> inline constexpr T inv_pi_v = unspecified;22 template<class T> inline constexpr T inv_sqrtpi_v = unspecified;23 template<class T> inline constexpr T ln2_v = unspecified;24 template<class T> inline constexpr T ln10_v = unspecified;25 template<class T> inline constexpr T sqrt2_v = unspecified;26 template<class T> inline constexpr T sqrt3_v = unspecified;27 template<class T> inline constexpr T inv_sqrt3_v = unspecified;28 template<class T> inline constexpr T egamma_v = unspecified;29 template<class T> inline constexpr T phi_v = unspecified;30 31 template<floating_point T> inline constexpr T e_v<T> = see below;32 template<floating_point T> inline constexpr T log2e_v<T> = see below;33 template<floating_point T> inline constexpr T log10e_v<T> = see below;34 template<floating_point T> inline constexpr T pi_v<T> = see below;35 template<floating_point T> inline constexpr T inv_pi_v<T> = see below;36 template<floating_point T> inline constexpr T inv_sqrtpi_v<T> = see below;37 template<floating_point T> inline constexpr T ln2_v<T> = see below;38 template<floating_point T> inline constexpr T ln10_v<T> = see below;39 template<floating_point T> inline constexpr T sqrt2_v<T> = see below;40 template<floating_point T> inline constexpr T sqrt3_v<T> = see below;41 template<floating_point T> inline constexpr T inv_sqrt3_v<T> = see below;42 template<floating_point T> inline constexpr T egamma_v<T> = see below;43 template<floating_point T> inline constexpr T phi_v<T> = see below;44 45 inline constexpr double e = e_v<double>;46 inline constexpr double log2e = log2e_v<double>;47 inline constexpr double log10e = log10e_v<double>;48 inline constexpr double pi = pi_v<double>;49 inline constexpr double inv_pi = inv_pi_v<double>;50 inline constexpr double inv_sqrtpi = inv_sqrtpi_v<double>;51 inline constexpr double ln2 = ln2_v<double>;52 inline constexpr double ln10 = ln10_v<double>;53 inline constexpr double sqrt2 = sqrt2_v<double>;54 inline constexpr double sqrt3 = sqrt3_v<double>;55 inline constexpr double inv_sqrt3 = inv_sqrt3_v<double>;56 inline constexpr double egamma = egamma_v<double>;57 inline constexpr double phi = phi_v<double>;58}59*/60 61#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)62# include <__cxx03/__config>63#else64# include <__concepts/arithmetic.h>65# include <__config>66# include <version>67 68# if _LIBCPP_STD_VER >= 2069 70# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)71# pragma GCC system_header72# endif73 74_LIBCPP_BEGIN_NAMESPACE_STD75 76namespace numbers {77 78template <class _Tp>79inline constexpr bool __false = false;80 81template <class _Tp>82struct __illformed {83 static_assert(84 __false<_Tp>,85 "A program that instantiates a primary template of a mathematical constant variable template is ill-formed.");86};87 88template <class _Tp>89inline constexpr _Tp e_v = __illformed<_Tp>{};90template <class _Tp>91inline constexpr _Tp log2e_v = __illformed<_Tp>{};92template <class _Tp>93inline constexpr _Tp log10e_v = __illformed<_Tp>{};94template <class _Tp>95inline constexpr _Tp pi_v = __illformed<_Tp>{};96template <class _Tp>97inline constexpr _Tp inv_pi_v = __illformed<_Tp>{};98template <class _Tp>99inline constexpr _Tp inv_sqrtpi_v = __illformed<_Tp>{};100template <class _Tp>101inline constexpr _Tp ln2_v = __illformed<_Tp>{};102template <class _Tp>103inline constexpr _Tp ln10_v = __illformed<_Tp>{};104template <class _Tp>105inline constexpr _Tp sqrt2_v = __illformed<_Tp>{};106template <class _Tp>107inline constexpr _Tp sqrt3_v = __illformed<_Tp>{};108template <class _Tp>109inline constexpr _Tp inv_sqrt3_v = __illformed<_Tp>{};110template <class _Tp>111inline constexpr _Tp egamma_v = __illformed<_Tp>{};112template <class _Tp>113inline constexpr _Tp phi_v = __illformed<_Tp>{};114 115template <floating_point _Tp>116inline constexpr _Tp e_v<_Tp> = 2.718281828459045235360287471352662;117template <floating_point _Tp>118inline constexpr _Tp log2e_v<_Tp> = 1.442695040888963407359924681001892;119template <floating_point _Tp>120inline constexpr _Tp log10e_v<_Tp> = 0.434294481903251827651128918916605;121template <floating_point _Tp>122inline constexpr _Tp pi_v<_Tp> = 3.141592653589793238462643383279502;123template <floating_point _Tp>124inline constexpr _Tp inv_pi_v<_Tp> = 0.318309886183790671537767526745028;125template <floating_point _Tp>126inline constexpr _Tp inv_sqrtpi_v<_Tp> = 0.564189583547756286948079451560772;127template <floating_point _Tp>128inline constexpr _Tp ln2_v<_Tp> = 0.693147180559945309417232121458176;129template <floating_point _Tp>130inline constexpr _Tp ln10_v<_Tp> = 2.302585092994045684017991454684364;131template <floating_point _Tp>132inline constexpr _Tp sqrt2_v<_Tp> = 1.414213562373095048801688724209698;133template <floating_point _Tp>134inline constexpr _Tp sqrt3_v<_Tp> = 1.732050807568877293527446341505872;135template <floating_point _Tp>136inline constexpr _Tp inv_sqrt3_v<_Tp> = 0.577350269189625764509148780501957;137template <floating_point _Tp>138inline constexpr _Tp egamma_v<_Tp> = 0.577215664901532860606512090082402;139template <floating_point _Tp>140inline constexpr _Tp phi_v<_Tp> = 1.618033988749894848204586834365638;141 142inline constexpr double e = e_v<double>;143inline constexpr double log2e = log2e_v<double>;144inline constexpr double log10e = log10e_v<double>;145inline constexpr double pi = pi_v<double>;146inline constexpr double inv_pi = inv_pi_v<double>;147inline constexpr double inv_sqrtpi = inv_sqrtpi_v<double>;148inline constexpr double ln2 = ln2_v<double>;149inline constexpr double ln10 = ln10_v<double>;150inline constexpr double sqrt2 = sqrt2_v<double>;151inline constexpr double sqrt3 = sqrt3_v<double>;152inline constexpr double inv_sqrt3 = inv_sqrt3_v<double>;153inline constexpr double egamma = egamma_v<double>;154inline constexpr double phi = phi_v<double>;155 156} // namespace numbers157 158_LIBCPP_END_NAMESPACE_STD159 160# endif // _LIBCPP_STD_VER >= 20161 162# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20163# include <concepts>164# include <cstddef>165# include <type_traits>166# endif167#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)168 169#endif // _LIBCPP_NUMBERS170