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 T>
13//   bool
14//   operator==(const T& lhs, const complex<T>& rhs);
15
16#include <complex>
17#include <cassert>
18
19template <class T>
20void
21test_constexpr()
22{
23#if _LIBCPP_STD_VER > 11
24    {
25    constexpr T lhs(-2.5);
26    constexpr std::complex<T> rhs(1.5,  2.5);
27    static_assert(!(lhs == rhs), "");
28    }
29    {
30    constexpr T lhs(-2.5);
31    constexpr std::complex<T> rhs(1.5,  0);
32    static_assert(!(lhs == rhs), "");
33    }
34    {
35    constexpr T lhs(1.5);
36    constexpr std::complex<T> rhs(1.5, 2.5);
37    static_assert(!(lhs == rhs), "");
38    }
39    {
40    constexpr T lhs(1.5);
41    constexpr std::complex<T> rhs(1.5, 0);
42    static_assert(lhs == rhs, "");
43    }
44#endif
45}
46
47template <class T>
48void
49test()
50{
51    {
52    T lhs(-2.5);
53    std::complex<T> rhs(1.5,  2.5);
54    assert(!(lhs == rhs));
55    }
56    {
57    T lhs(-2.5);
58    std::complex<T> rhs(1.5,  0);
59    assert(!(lhs == rhs));
60    }
61    {
62    T lhs(1.5);
63    std::complex<T> rhs(1.5, 2.5);
64    assert(!(lhs == rhs));
65    }
66    {
67    T lhs(1.5);
68    std::complex<T> rhs(1.5, 0);
69    assert(lhs == rhs);
70    }
71
72    test_constexpr<T> ();
73}
74
75int main()
76{
77    test<float>();
78    test<double>();
79    test<long double>();
80//     test_constexpr<int>();
81}
82