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 // test ratio: The static data members num and den shall have thcommon
11 // divisor of the absolute values of N and D:
12
13 #include <ratio>
14
15 template <long long N, long long D, long long eN, long long eD>
test()16 void test()
17 {
18 static_assert((std::ratio<N, D>::num == eN), "");
19 static_assert((std::ratio<N, D>::den == eD), "");
20 }
21
main()22 int main()
23 {
24 test<1, 1, 1, 1>();
25 test<1, 10, 1, 10>();
26 test<10, 10, 1, 1>();
27 test<10, 1, 10, 1>();
28 test<12, 4, 3, 1>();
29 test<12, -4, -3, 1>();
30 test<-12, 4, -3, 1>();
31 test<-12, -4, 3, 1>();
32 test<4, 12, 1, 3>();
33 test<4, -12, -1, 3>();
34 test<-4, 12, -1, 3>();
35 test<-4, -12, 1, 3>();
36 test<222, 333, 2, 3>();
37 test<222, -333, -2, 3>();
38 test<-222, 333, -2, 3>();
39 test<-222, -333, 2, 3>();
40 test<0x7FFFFFFFFFFFFFFFLL, 127, 72624976668147841LL, 1>();
41 test<-0x7FFFFFFFFFFFFFFFLL, 127, -72624976668147841LL, 1>();
42 test<0x7FFFFFFFFFFFFFFFLL, -127, -72624976668147841LL, 1>();
43 test<-0x7FFFFFFFFFFFFFFFLL, -127, 72624976668147841LL, 1>();
44 }
45