| // -*- C++ -*- |
| //===---------------------------- numbers ---------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_NUMBERS |
| #define _LIBCPP_NUMBERS |
| |
| /* |
| numbers synopsis |
| |
| namespace std::numbers { |
| template<class T> inline constexpr T e_v = unspecified; |
| template<class T> inline constexpr T log2e_v = unspecified; |
| template<class T> inline constexpr T log10e_v = unspecified; |
| template<class T> inline constexpr T pi_v = unspecified; |
| template<class T> inline constexpr T inv_pi_v = unspecified; |
| template<class T> inline constexpr T inv_sqrtpi_v = unspecified; |
| template<class T> inline constexpr T ln2_v = unspecified; |
| template<class T> inline constexpr T ln10_v = unspecified; |
| template<class T> inline constexpr T sqrt2_v = unspecified; |
| template<class T> inline constexpr T sqrt3_v = unspecified; |
| template<class T> inline constexpr T inv_sqrt3_v = unspecified; |
| template<class T> inline constexpr T egamma_v = unspecified; |
| template<class T> inline constexpr T phi_v = unspecified; |
| |
| template<floating_point T> inline constexpr T e_v<T> = see below; |
| template<floating_point T> inline constexpr T log2e_v<T> = see below; |
| template<floating_point T> inline constexpr T log10e_v<T> = see below; |
| template<floating_point T> inline constexpr T pi_v<T> = see below; |
| template<floating_point T> inline constexpr T inv_pi_v<T> = see below; |
| template<floating_point T> inline constexpr T inv_sqrtpi_v<T> = see below; |
| template<floating_point T> inline constexpr T ln2_v<T> = see below; |
| template<floating_point T> inline constexpr T ln10_v<T> = see below; |
| template<floating_point T> inline constexpr T sqrt2_v<T> = see below; |
| template<floating_point T> inline constexpr T sqrt3_v<T> = see below; |
| template<floating_point T> inline constexpr T inv_sqrt3_v<T> = see below; |
| template<floating_point T> inline constexpr T egamma_v<T> = see below; |
| template<floating_point T> inline constexpr T phi_v<T> = see below; |
| |
| inline constexpr double e = e_v<double>; |
| inline constexpr double log2e = log2e_v<double>; |
| inline constexpr double log10e = log10e_v<double>; |
| inline constexpr double pi = pi_v<double>; |
| inline constexpr double inv_pi = inv_pi_v<double>; |
| inline constexpr double inv_sqrtpi = inv_sqrtpi_v<double>; |
| inline constexpr double ln2 = ln2_v<double>; |
| inline constexpr double ln10 = ln10_v<double>; |
| inline constexpr double sqrt2 = sqrt2_v<double>; |
| inline constexpr double sqrt3 = sqrt3_v<double>; |
| inline constexpr double inv_sqrt3 = inv_sqrt3_v<double>; |
| inline constexpr double egamma = egamma_v<double>; |
| inline constexpr double phi = phi_v<double>; |
| } |
| */ |
| |
| #include <__config> |
| |
| #if _LIBCPP_STD_VER > 17 && defined(__cpp_concepts) && __cpp_concepts >= 201811L |
| |
| #include <type_traits> |
| #include <version> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| namespace numbers { |
| |
| template <class T> |
| inline constexpr bool __false = false; |
| |
| template <class T> |
| struct __illformed |
| { |
| static_assert(__false<T>, "A program that instantiates a primary template of a mathematical constant variable template is ill-formed."); |
| }; |
| |
| template <class T> inline constexpr T e_v = __illformed<T>{}; |
| template <class T> inline constexpr T log2e_v = __illformed<T>{}; |
| template <class T> inline constexpr T log10e_v = __illformed<T>{}; |
| template <class T> inline constexpr T pi_v = __illformed<T>{}; |
| template <class T> inline constexpr T inv_pi_v = __illformed<T>{}; |
| template <class T> inline constexpr T inv_sqrtpi_v = __illformed<T>{}; |
| template <class T> inline constexpr T ln2_v = __illformed<T>{}; |
| template <class T> inline constexpr T ln10_v = __illformed<T>{}; |
| template <class T> inline constexpr T sqrt2_v = __illformed<T>{}; |
| template <class T> inline constexpr T sqrt3_v = __illformed<T>{}; |
| template <class T> inline constexpr T inv_sqrt3_v = __illformed<T>{}; |
| template <class T> inline constexpr T egamma_v = __illformed<T>{}; |
| template <class T> inline constexpr T phi_v = __illformed<T>{}; |
| |
| template <class T> |
| concept __floating_point = std::is_floating_point_v<T>; |
| |
| template <__floating_point T> inline constexpr T e_v<T> = 2.718281828459045235360287471352662; |
| template <__floating_point T> inline constexpr T log2e_v<T> = 1.442695040888963407359924681001892; |
| template <__floating_point T> inline constexpr T log10e_v<T> = 0.434294481903251827651128918916605; |
| template <__floating_point T> inline constexpr T pi_v<T> = 3.141592653589793238462643383279502; |
| template <__floating_point T> inline constexpr T inv_pi_v<T> = 0.318309886183790671537767526745028; |
| template <__floating_point T> inline constexpr T inv_sqrtpi_v<T> = 0.564189583547756286948079451560772; |
| template <__floating_point T> inline constexpr T ln2_v<T> = 0.693147180559945309417232121458176; |
| template <__floating_point T> inline constexpr T ln10_v<T> = 2.302585092994045684017991454684364; |
| template <__floating_point T> inline constexpr T sqrt2_v<T> = 1.414213562373095048801688724209698; |
| template <__floating_point T> inline constexpr T sqrt3_v<T> = 1.732050807568877293527446341505872; |
| template <__floating_point T> inline constexpr T inv_sqrt3_v<T> = 0.577350269189625764509148780501957; |
| template <__floating_point T> inline constexpr T egamma_v<T> = 0.577215664901532860606512090082402; |
| template <__floating_point T> inline constexpr T phi_v<T> = 1.618033988749894848204586834365638; |
| |
| inline constexpr double e = e_v<double>; |
| inline constexpr double log2e = log2e_v<double>; |
| inline constexpr double log10e = log10e_v<double>; |
| inline constexpr double pi = pi_v<double>; |
| inline constexpr double inv_pi = inv_pi_v<double>; |
| inline constexpr double inv_sqrtpi = inv_sqrtpi_v<double>; |
| inline constexpr double ln2 = ln2_v<double>; |
| inline constexpr double ln10 = ln10_v<double>; |
| inline constexpr double sqrt2 = sqrt2_v<double>; |
| inline constexpr double sqrt3 = sqrt3_v<double>; |
| inline constexpr double inv_sqrt3 = inv_sqrt3_v<double>; |
| inline constexpr double egamma = egamma_v<double>; |
| inline constexpr double phi = phi_v<double>; |
| |
| } // namespace numbers |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| _LIBCPP_POP_MACROS |
| |
| #endif //_LIBCPP_STD_VER > 17 && defined(__cpp_concepts) && __cpp_concepts >= 201811L |
| |
| #endif // _LIBCPP_NUMBERS |