13b96fdfbd
Summary: This patch is pretty simple. It just adds the _v traits from <ratio>. The draft can be found here. Reviewers: jroelofs, K-ballo, mclow.lists Reviewed By: mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D7351 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@229509 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.2 KiB
C++
48 lines
1.2 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 dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// <experimental/ratio>
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// template <class R1, class R2> constexpr bool ratio_equal_v;
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#include <experimental/ratio>
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#include <type_traits>
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namespace ex = std::experimental;
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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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static_assert(
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ex::ratio_equal_v<R1, R2>, ""
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);
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static_assert(
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ex::ratio_equal_v<R1, R2> == std::ratio_equal<R1, R2>::value, ""
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);
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static_assert(
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std::is_same<decltype(ex::ratio_equal_v<R1, R2>), const bool>::value
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, ""
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);
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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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static_assert(
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!ex::ratio_equal_v<R1, R2>, ""
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);
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static_assert(
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ex::ratio_equal_v<R1, R2> == std::ratio_equal<R1, R2>::value, ""
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);
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}
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}
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