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 // template<class T>
12 //   complex<T>
13 //   conj(const complex<T>& x);
14 
15 #include <complex>
16 #include <cassert>
17 
18 template <class T>
19 void
20 test(const std::complex<T>& z, std::complex<T> x)
21 {
22     assert(conj(z) == x);
23 }
24 
25 template <class T>
26 void
27 test()
28 {
29     test(std::complex<T>(1, 2), std::complex<T>(1, -2));
30     test(std::complex<T>(-1, 2), std::complex<T>(-1, -2));
31     test(std::complex<T>(1, -2), std::complex<T>(1, 2));
32     test(std::complex<T>(-1, -2), std::complex<T>(-1, 2));
33 }
34 
35 int main(int, char**)
36 {
37     test<float>();
38     test<double>();
39     test<long double>();
40 
41   return 0;
42 }
43