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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// test ratio_subtract
#include <ratio>
#include "test_macros.h"
int main(int, char**)
{
{
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, "");
}
{
typedef std::ratio<0> R1;
typedef std::ratio<0> R2;
typedef std::ratio_subtract<R1, R2>::type R;
static_assert(R::num == 0 && R::den == 1, "");
}
{
typedef std::ratio<1> R1;
typedef std::ratio<0> R2;
typedef std::ratio_subtract<R1, R2>::type R;
static_assert(R::num == 1 && R::den == 1, "");
}
{
typedef std::ratio<0> R1;
typedef std::ratio<1> R2;
typedef std::ratio_subtract<R1, R2>::type R;
static_assert(R::num == -1 && R::den == 1, "");
}
return 0;
}
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