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 the common 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> 16 void test() 17 { 18 static_assert((std::ratio<N, D>::num == eN), ""); 19 static_assert((std::ratio<N, D>::den == eD), ""); 20 } 21 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
