cxx/test/utilities/ratio/ratio.arithmetic/ratio_add.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

1 line
1.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test ratio_add
#include <ratio>
int main()
{
{
typedef std::ratio<1, 1> R1;
typedef std::ratio<1, 1> R2;
typedef std::ratio_add<R1, R2>::type R;
static_assert(R::num == 2 && R::den == 1, "");
}
{
typedef std::ratio<1, 2> R1;
typedef std::ratio<1, 1> R2;
typedef std::ratio_add<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_add<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_add<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_add<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_add<R1, R2>::type R;
static_assert(R::num == -1 && R::den == 2, "");
}
{
typedef std::ratio<56987354, 467584654> R1;
typedef std::ratio<544668, 22145> R2;
typedef std::ratio_add<R1, R2>::type R;
static_assert(R::num == 127970191639601LL && R::den == 5177331081415LL, "");
}
}