1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
//===----------------------------------------------------------------------===//
//
// 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>
// complex& operator+=(const complex& rhs); // constexpr in C++20
#include <complex>
#include <cassert>
#include "test_macros.h"
template <class T>
TEST_CONSTEXPR_CXX20
bool
test()
{
std::complex<T> c;
const std::complex<T> c2(1.5, 2.5);
assert(c.real() == 0);
assert(c.imag() == 0);
c += c2;
assert(c.real() == 1.5);
assert(c.imag() == 2.5);
c += c2;
assert(c.real() == 3);
assert(c.imag() == 5);
std::complex<T> c3;
c3 = c;
std::complex<int> ic (1,1);
c3 += ic;
assert(c3.real() == 4);
assert(c3.imag() == 6);
c3 = c;
std::complex<float> fc (1,1);
c3 += fc;
assert(c3.real() == 4);
assert(c3.imag() == 6);
return true;
}
int main(int, char**)
{
test<float>();
test<double>();
test<long double>();
#if TEST_STD_VER >= 20
static_assert(test<float>());
static_assert(test<double>());
static_assert(test<long double>());
#endif
return 0;
}
|
