blob: db4a8c7764bc31217d1b839e23377887781afdbc (
plain)
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
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <complex>
// template<Arithmetic T>
// T
// real(const T& x);
#include <complex>
#include <type_traits>
#include <cassert>
#include "../cases.h"
template <class T>
void
test(T x, typename std::enable_if<std::is_integral<T>::value>::type* = 0)
{
static_assert((std::is_same<decltype(std::real(x)), double>::value), "");
assert(std::real(x) == x);
}
template <class T>
void
test(T x, typename std::enable_if<!std::is_integral<T>::value>::type* = 0)
{
static_assert((std::is_same<decltype(std::real(x)), T>::value), "");
assert(std::real(x) == x);
}
template <class T>
void
test()
{
test<T>(0);
test<T>(1);
test<T>(10);
}
int main()
{
test<float>();
test<double>();
test<long double>();
test<int>();
test<unsigned>();
test<long long>();
}
|
