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 T& rhs); // constexpr in C++20
14
15#include <complex>
16#include <cassert>
17
18#include "test_macros.h"
19
20template <class T>
21TEST_CONSTEXPR_CXX20
22bool
23test()
24{
25 {
26 const std::complex<T> lhs(1.5, 2.5);
27 const T rhs(3.5);
28 assert(lhs + rhs == std::complex<T>(5.0, 2.5));
29 }
30 {
31 const std::complex<T> lhs(1.5, -2.5);
32 const T rhs(-3.5);
33 assert(lhs + rhs == std::complex<T>(-2.0, -2.5));
34 }
35
36 return true;
37}
38
39int 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

source code of libcxx/test/std/numerics/complex.number/complex.ops/complex_plus_scalar.pass.cpp