1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17
10
11#include <cassert>
12#include <numbers>
13
14constexpr bool tests() {
15 [[maybe_unused]] float f0{std::numbers::e_v<float>};
16 [[maybe_unused]] float f1{std::numbers::log2e_v<float>};
17 [[maybe_unused]] float f2{std::numbers::log10e_v<float>};
18 [[maybe_unused]] float f3{std::numbers::pi_v<float>};
19 [[maybe_unused]] float f4{std::numbers::inv_pi_v<float>};
20 [[maybe_unused]] float f5{std::numbers::inv_sqrtpi_v<float>};
21 [[maybe_unused]] float f6{std::numbers::ln2_v<float>};
22 [[maybe_unused]] float f7{std::numbers::ln10_v<float>};
23 [[maybe_unused]] float f8{std::numbers::sqrt2_v<float>};
24 [[maybe_unused]] float f9{std::numbers::sqrt3_v<float>};
25 [[maybe_unused]] float f10{std::numbers::inv_sqrt3_v<float>};
26 [[maybe_unused]] float f11{std::numbers::egamma_v<float>};
27 [[maybe_unused]] float f12{std::numbers::phi_v<float>};
28
29 double d0{std::numbers::e_v<double>};
30 double d1{std::numbers::log2e_v<double>};
31 double d2{std::numbers::log10e_v<double>};
32 double d3{std::numbers::pi_v<double>};
33 double d4{std::numbers::inv_pi_v<double>};
34 double d5{std::numbers::inv_sqrtpi_v<double>};
35 double d6{std::numbers::ln2_v<double>};
36 double d7{std::numbers::ln10_v<double>};
37 double d8{std::numbers::sqrt2_v<double>};
38 double d9{std::numbers::sqrt3_v<double>};
39 double d10{std::numbers::inv_sqrt3_v<double>};
40 double d11{std::numbers::egamma_v<double>};
41 double d12{std::numbers::phi_v<double>};
42
43 assert(d0 == std::numbers::e);
44 assert(d1 == std::numbers::log2e);
45 assert(d2 == std::numbers::log10e);
46 assert(d3 == std::numbers::pi);
47 assert(d4 == std::numbers::inv_pi);
48 assert(d5 == std::numbers::inv_sqrtpi);
49 assert(d6 == std::numbers::ln2);
50 assert(d7 == std::numbers::ln10);
51 assert(d8 == std::numbers::sqrt2);
52 assert(d9 == std::numbers::sqrt3);
53 assert(d10 == std::numbers::inv_sqrt3);
54 assert(d11 == std::numbers::egamma);
55 assert(d12 == std::numbers::phi);
56
57 [[maybe_unused]] long double ld0{std::numbers::e_v<long double>};
58 [[maybe_unused]] long double ld1{std::numbers::log2e_v<long double>};
59 [[maybe_unused]] long double ld2{std::numbers::log10e_v<long double>};
60 [[maybe_unused]] long double ld3{std::numbers::pi_v<long double>};
61 [[maybe_unused]] long double ld4{std::numbers::inv_pi_v<long double>};
62 [[maybe_unused]] long double ld5{std::numbers::inv_sqrtpi_v<long double>};
63 [[maybe_unused]] long double ld6{std::numbers::ln2_v<long double>};
64 [[maybe_unused]] long double ld7{std::numbers::ln10_v<long double>};
65 [[maybe_unused]] long double ld8{std::numbers::sqrt2_v<long double>};
66 [[maybe_unused]] long double ld9{std::numbers::sqrt3_v<long double>};
67 [[maybe_unused]] long double ld10{std::numbers::inv_sqrt3_v<long double>};
68 [[maybe_unused]] long double ld11{std::numbers::egamma_v<long double>};
69 [[maybe_unused]] long double ld12{std::numbers::phi_v<long double>};
70
71 return true;
72}
73
74static_assert(tests());
75
76int main(int, char**) {
77 tests();
78 return 0;
79}
80

source code of libcxx/test/std/numerics/numbers/specialize.pass.cpp