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 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()23test() 24 { 25 { 26 const T lhs(1.5); 27 const std::complex<T> rhs(3.5, 4.5); 28 assert(lhs + rhs == std::complex<T>(5.0, 4.5)); 29 } 30 { 31 const T lhs(1.5); 32 const std::complex<T> rhs(-3.5, 4.5); 33 assert(lhs + rhs == std::complex<T>(-2.0, 4.5)); 34 } 35 return true; 36 } 37 main(int,char **)38int main(int, char**) 39 { 40 test<float>(); 41 test<double>(); 42 test<long double>(); 43 44 #if TEST_STD_VER > 17 45 static_assert(test<float>()); 46 static_assert(test<double>()); 47 static_assert(test<long double>()); 48 #endif 49 50 return 0; 51 } 52