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 // constexpr complex(const T& re = T(), const T& im = T());
12
13 #include <complex>
14 #include <cassert>
15
16 #include "test_macros.h"
17
18 template <class T>
19 void
test()20 test()
21 {
22 {
23 const std::complex<T> c;
24 assert(c.real() == 0);
25 assert(c.imag() == 0);
26 }
27 {
28 const std::complex<T> c = 7.5;
29 assert(c.real() == 7.5);
30 assert(c.imag() == 0);
31 }
32 {
33 const std::complex<T> c(8.5);
34 assert(c.real() == 8.5);
35 assert(c.imag() == 0);
36 }
37 {
38 const std::complex<T> c(10.5, -9.5);
39 assert(c.real() == 10.5);
40 assert(c.imag() == -9.5);
41 }
42 #if TEST_STD_VER >= 11
43 {
44 constexpr std::complex<T> c;
45 static_assert(c.real() == 0, "");
46 static_assert(c.imag() == 0, "");
47 }
48 {
49 constexpr std::complex<T> c = 7.5;
50 static_assert(c.real() == 7.5, "");
51 static_assert(c.imag() == 0, "");
52 }
53 {
54 constexpr std::complex<T> c(8.5);
55 static_assert(c.real() == 8.5, "");
56 static_assert(c.imag() == 0, "");
57 }
58 {
59 constexpr std::complex<T> c(10.5, -9.5);
60 static_assert(c.real() == 10.5, "");
61 static_assert(c.imag() == -9.5, "");
62 }
63 #endif
64 }
65
main(int,char **)66 int main(int, char**)
67 {
68 test<float>();
69 test<double>();
70 test<long double>();
71
72 return 0;
73 }
74