|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // <complex> | 
|  |  | 
|  | // template<> class complex<float> | 
|  | // { | 
|  | // public: | 
|  | //     explicit constexpr complex(const complex<double>&); | 
|  | // }; | 
|  |  | 
|  | #include <complex> | 
|  | #include <cassert> | 
|  |  | 
|  | int main(int, char**) | 
|  | { | 
|  | const std::complex<double> cd(2.5, 3.5); | 
|  | std::complex<float> cf = cd; | 
|  | assert(cf.real() == cd.real()); | 
|  | assert(cf.imag() == cd.imag()); | 
|  |  | 
|  | return 0; | 
|  | } |