1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===//
2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//
3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//                     The LLVM Compiler Infrastructure
4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//
5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open
6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details.
7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//
8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===//
9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <chrono>
11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// duration
13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// template <class Rep1, class Period1, class Rep2, class Period2>
15473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant//   constexpr
16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//   typename common_type<Rep1, Rep2>::type
17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//   operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <chrono>
20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert>
21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main()
23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{
24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    {
25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    std::chrono::nanoseconds ns1(15);
26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    std::chrono::nanoseconds ns2(5);
27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    assert(ns1 / ns2 == 3);
28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    }
29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    {
30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    std::chrono::microseconds us1(15);
31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    std::chrono::nanoseconds ns2(5);
32c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    assert(us1 / ns2 == 3000);
33c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    }
34c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    {
35c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    std::chrono::duration<int, std::ratio<2, 3> > s1(30);
36c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    std::chrono::duration<int, std::ratio<3, 5> > s2(5);
37c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    assert(s1 / s2 == 6);
38c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    }
39c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    {
40c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    std::chrono::duration<int, std::ratio<2, 3> > s1(30);
41c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    std::chrono::duration<double, std::ratio<3, 5> > s2(5);
42c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    assert(s1 / s2 == 20./3);
43c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    }
44473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant#ifndef _LIBCPP_HAS_NO_CONSTEXPR
45473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    {
46473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    constexpr std::chrono::nanoseconds ns1(15);
47473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    constexpr std::chrono::nanoseconds ns2(5);
48473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    static_assert(ns1 / ns2 == 3, "");
49473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    }
50473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    {
51473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    constexpr std::chrono::microseconds us1(15);
52473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    constexpr std::chrono::nanoseconds ns2(5);
53473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    static_assert(us1 / ns2 == 3000, "");
54473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    }
55473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    {
56473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30);
57473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    constexpr std::chrono::duration<int, std::ratio<3, 5> > s2(5);
58473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    static_assert(s1 / s2 == 6, "");
59473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    }
60473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    {
61473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30);
62473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    constexpr std::chrono::duration<double, std::ratio<3, 5> > s2(5);
63473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    static_assert(s1 / s2 == 20./3, "");
64473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant    }
65473f838128bcf118ab50d08a65a83433ed1b015aHoward Hinnant#endif
66c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}
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