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); // 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 assert(-std::complex<T>(1.5, -2.5) == std::complex<T>(-1.5, 2.5)); 26 assert(-std::complex<T>(-1.5, 2.5) == std::complex<T>(1.5, -2.5)); 27 return true; 28 } 29 main(int,char **)30int main(int, char**) 31 { 32 test<float>(); 33 test<double>(); 34 test<long double>(); 35 36 #if TEST_STD_VER > 17 37 static_assert(test<float>()); 38 static_assert(test<double>()); 39 static_assert(test<long double>()); 40 #endif 41 42 return 0; 43 } 44