1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <complex> 11 12 // template<> class complex<double> 13 // { 14 // public: 15 // explicit constexpr complex(const complex<long double>&); 16 // }; 17 18 #include <complex> 19 #include <cassert> 20 21 #include "test_macros.h" 22 main()23int main() 24 { 25 { 26 const std::complex<long double> cd(2.5, 3.5); 27 std::complex<double> cf(cd); 28 assert(cf.real() == cd.real()); 29 assert(cf.imag() == cd.imag()); 30 } 31 #if TEST_STD_VER >= 11 32 { 33 constexpr std::complex<long double> cd(2.5, 3.5); 34 constexpr std::complex<double> cf(cd); 35 static_assert(cf.real() == cd.real(), ""); 36 static_assert(cf.imag() == cd.imag(), ""); 37 } 38 #endif 39 } 40