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&); // 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; 24 assert(c.real() == 0); 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() == -1.5); 31 assert(c.imag() == 0); 32 return true; 33 } 34 main(int,char **)35int main(int, char**) 36 { 37 test<float>(); 38 test<double>(); 39 test<long double>(); 40 41 #if TEST_STD_VER >= 20 42 static_assert(test<float>()); 43 static_assert(test<double>()); 44 static_assert(test<long double>()); 45 #endif 46 47 return 0; 48 } 49