68 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// complex& operator=(const complex&);12// template<class X> complex& operator= (const complex<X>&); // constexpr in C++2013 14#include <complex>15#include <cassert>16 17#include "test_macros.h"18 19template <class T, class X>20TEST_CONSTEXPR_CXX2021bool22test()23{24 std::complex<T> c;25 assert(c.real() == 0);26 assert(c.imag() == 0);27 std::complex<T> c2(1.5, 2.5);28 c = c2;29 assert(c.real() == 1.5);30 assert(c.imag() == 2.5);31 std::complex<X> c3(3.5, -4.5);32 c = c3;33 assert(c.real() == 3.5);34 assert(c.imag() == -4.5);35 return true;36}37 38int main(int, char**)39{40 test<float, float>();41 test<float, double>();42 test<float, long double>();43 44 test<double, float>();45 test<double, double>();46 test<double, long double>();47 48 test<long double, float>();49 test<long double, double>();50 test<long double, long double>();51 52#if TEST_STD_VER >= 2053 static_assert(test<float, float>());54 static_assert(test<float, double>());55 static_assert(test<float, long double>());56 57 static_assert(test<double, float>());58 static_assert(test<double, double>());59 static_assert(test<double, long double>());60 61 static_assert(test<long double, float>());62 static_assert(test<long double, double>());63 static_assert(test<long double, long double>());64#endif65 66 return 0;67}68