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 // <chrono> 11 12 // duration 13 14 // template <class Rep1, class Period1, class Rep2, class Period2> 15 // constexpr 16 // typename common_type<Rep1, Rep2>::type 17 // operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs); 18 19 #include <chrono> 20 #include <cassert> 21 22 int main() 23 { 24 { 25 std::chrono::nanoseconds ns1(15); 26 std::chrono::nanoseconds ns2(5); 27 assert(ns1 / ns2 == 3); 28 } 29 { 30 std::chrono::microseconds us1(15); 31 std::chrono::nanoseconds ns2(5); 32 assert(us1 / ns2 == 3000); 33 } 34 { 35 std::chrono::duration<int, std::ratio<2, 3> > s1(30); 36 std::chrono::duration<int, std::ratio<3, 5> > s2(5); 37 assert(s1 / s2 == 6); 38 } 39 { 40 std::chrono::duration<int, std::ratio<2, 3> > s1(30); 41 std::chrono::duration<double, std::ratio<3, 5> > s2(5); 42 assert(s1 / s2 == 20./3); 43 } 44 #ifndef _LIBCPP_HAS_NO_CONSTEXPR 45 { 46 constexpr std::chrono::nanoseconds ns1(15); 47 constexpr std::chrono::nanoseconds ns2(5); 48 static_assert(ns1 / ns2 == 3, ""); 49 } 50 { 51 constexpr std::chrono::microseconds us1(15); 52 constexpr std::chrono::nanoseconds ns2(5); 53 static_assert(us1 / ns2 == 3000, ""); 54 } 55 { 56 constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30); 57 constexpr std::chrono::duration<int, std::ratio<3, 5> > s2(5); 58 static_assert(s1 / s2 == 6, ""); 59 } 60 { 61 constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(30); 62 constexpr std::chrono::duration<double, std::ratio<3, 5> > s2(5); 63 static_assert(s1 / s2 == 20./3, ""); 64 } 65 #endif 66 } 67
