44 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <complex>10 11// template<class T>12// complex<T>13// operator-(const complex<T>& lhs); // constexpr in C++2014 15#include <complex>16#include <cassert>17 18#include "test_macros.h"19 20template <class T>21TEST_CONSTEXPR_CXX2022bool23test()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 30int main(int, char**)31{32 test<float>();33 test<double>();34 test<long double>();35 36#if TEST_STD_VER > 1737 static_assert(test<float>());38 static_assert(test<double>());39 static_assert(test<long double>());40#endif41 42 return 0;43}44