56 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 T& rhs); // constexpr in C++2012 13#include <complex>14#include <cassert>15 16#include "test_macros.h"17 18template <class T>19TEST_CONSTEXPR_CXX2020bool21test()22{23 std::complex<T> c(1);24 assert(c.real() == 1);25 assert(c.imag() == 0);26 c *= 1.5;27 assert(c.real() == 1.5);28 assert(c.imag() == 0);29 c *= 1.5;30 assert(c.real() == 2.25);31 assert(c.imag() == 0);32 c *= -1.5;33 assert(c.real() == -3.375);34 assert(c.imag() == 0);35 c.imag(2);36 c *= 1.5;37 assert(c.real() == -5.0625);38 assert(c.imag() == 3);39 return true;40}41 42int main(int, char**)43{44 test<float>();45 test<double>();46 test<long double>();47 48#if TEST_STD_VER >= 2049 static_assert(test<float>());50 static_assert(test<double>());51 static_assert(test<long double>());52#endif53 54 return 0;55}56