cxx/test/utilities/ratio/ratio.arithmetic/ratio_subtract.pass.cpp

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//===----------------------------------------------------------------------===// // // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // test ratio_subtract #include <ratio> int main() { { typedef std::ratio<1, 1> R1; typedef std::ratio<1, 1> R2; typedef std::ratio_subtract<R1, R2>::type R; static_assert(R::num == 0 && R::den == 1, ""); } { typedef std::ratio<1, 2> R1; typedef std::ratio<1, 1> R2; typedef std::ratio_subtract<R1, R2>::type R; static_assert(R::num == -1 && R::den == 2, ""); } { typedef std::ratio<-1, 2> R1; typedef std::ratio<1, 1> R2; typedef std::ratio_subtract<R1, R2>::type R; static_assert(R::num == -3 && R::den == 2, ""); } { typedef std::ratio<1, -2> R1; typedef std::ratio<1, 1> R2; typedef std::ratio_subtract<R1, R2>::type R; static_assert(R::num == -3 && R::den == 2, ""); } { typedef std::ratio<1, 2> R1; typedef std::ratio<-1, 1> R2; typedef std::ratio_subtract<R1, R2>::type R; static_assert(R::num == 3 && R::den == 2, ""); } { typedef std::ratio<1, 2> R1; typedef std::ratio<1, -1> R2; typedef std::ratio_subtract<R1, R2>::type R; static_assert(R::num == 3 && R::den == 2, ""); } { typedef std::ratio<56987354, 467584654> R1; typedef std::ratio<544668, 22145> R2; typedef std::ratio_subtract<R1, R2>::type R; static_assert(R::num == -126708206685271LL && R::den == 5177331081415LL, ""); } }