xref: /llvm-project/libcxx/test/std/numerics/numbers/specialize.pass.cpp (revision d2baefae6846765eef6a6dd69d4fdf1082ce29ad)
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 
tests()14 constexpr 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 
74 static_assert(tests());
75 
main(int,char **)76 int main(int, char**) {
77   tests();
78   return 0;
79 }
80