ratio.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c 
1//===----------------------------------------------------------------------===//
2//
3// ��������������������The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. 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
15template <long long N, long long D, long long eN, long long eD>
16void test()
17{
18    static_assert((std::ratio<N, D>::num == eN), "");
19    static_assert((std::ratio<N, D>::den == eD), "");
20}
21
22int 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