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 // complex& operator*=(const T& rhs); // constexpr in C++20 12 13 #include <complex> 14 #include <cassert> 15 16 #include "test_macros.h" 17 18 template <class T> 19 TEST_CONSTEXPR_CXX20 20 bool test()21test() 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 main(int,char **)42int main(int, char**) 43 { 44 test<float>(); 45 test<double>(); 46 test<long double>(); 47 48 #if TEST_STD_VER >= 20 49 static_assert(test<float>()); 50 static_assert(test<double>()); 51 static_assert(test<long double>()); 52 #endif 53 54 return 0; 55 } 56