forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. 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, "");
|
|
}
|
|
{
|
|
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, "");
|
|
}
|
|
}
|