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