c52f43e72d
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// test ratio_subtract
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#include <ratio>
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int main()
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{
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{
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typedef std::ratio<1, 1> R1;
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typedef std::ratio<1, 1> R2;
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typedef std::ratio_subtract<R1, R2>::type R;
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static_assert(R::num == 0 && R::den == 1, "");
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}
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{
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typedef std::ratio<1, 2> R1;
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typedef std::ratio<1, 1> R2;
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typedef std::ratio_subtract<R1, R2>::type R;
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static_assert(R::num == -1 && R::den == 2, "");
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}
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{
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typedef std::ratio<-1, 2> R1;
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typedef std::ratio<1, 1> R2;
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typedef std::ratio_subtract<R1, R2>::type R;
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static_assert(R::num == -3 && R::den == 2, "");
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}
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{
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typedef std::ratio<1, -2> R1;
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typedef std::ratio<1, 1> R2;
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typedef std::ratio_subtract<R1, R2>::type R;
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static_assert(R::num == -3 && R::den == 2, "");
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}
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{
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typedef std::ratio<1, 2> R1;
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typedef std::ratio<-1, 1> R2;
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typedef std::ratio_subtract<R1, R2>::type R;
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static_assert(R::num == 3 && R::den == 2, "");
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}
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{
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typedef std::ratio<1, 2> R1;
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typedef std::ratio<1, -1> R2;
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typedef std::ratio_subtract<R1, R2>::type R;
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static_assert(R::num == 3 && R::den == 2, "");
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}
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{
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typedef std::ratio<56987354, 467584654> R1;
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typedef std::ratio<544668, 22145> R2;
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typedef std::ratio_subtract<R1, R2>::type R;
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static_assert(R::num == -126708206685271LL && R::den == 5177331081415LL, "");
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}
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}
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