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 // <complex>
10
11 // template<class T>
12 // complex<T>
13 // operator+(const complex<T>& lhs, const complex<T>& rhs); // constexpr in C++20
14
15 #include <complex>
16 #include <cassert>
17
18 #include "test_macros.h"
19
20 template <class T>
21 TEST_CONSTEXPR_CXX20
22 bool
test()23 test()
24 {
25 {
26 const std::complex<T> lhs(1.5, 2.5);
27 const std::complex<T> rhs(3.5, 4.5);
28 assert(lhs + rhs == std::complex<T>(5.0, 7.0));
29 }
30 {
31 const std::complex<T> lhs(1.5, -2.5);
32 const std::complex<T> rhs(-3.5, 4.5);
33 assert(lhs + rhs == std::complex<T>(-2.0, 2.0));
34 }
35
36 return true;
37 }
38
main(int,char **)39 int main(int, char**)
40 {
41 test<float>();
42 test<double>();
43 test<long double>();
44
45 #if TEST_STD_VER > 17
46 static_assert(test<float>());
47 static_assert(test<double>());
48 static_assert(test<long double>());
49 #endif
50
51 return 0;
52 }
53