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git.proxmox.com Git - ceph.git/blob - ceph/src/boost/libs/rational/test/constexpr_test.cpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 // Copyright 2015 John Maddock. Distributed under the Boost
3 // Software License, Version 1.0. (See accompanying file
4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 #include <boost/rational.hpp>
11 #ifndef BOOST_NO_CXX11_CONSTEXPR
12 constexpr boost::rational
<int> i1
;
13 constexpr boost::rational
<int> i2(3);
14 constexpr boost::rational
<long long> i3(i2
);
15 constexpr boost::rational
<short> i4(i2
);
16 constexpr boost::rational
<long long> i5(23u); // converting constructor
17 // constexpr boost::rational<short> i6(23u); // Not supported, needs an explicit typecast in constructor.
19 static_assert(i1
.numerator() == 0, "constexpr test");
20 static_assert(i1
.denominator() == 1, "constexpr test");
21 static_assert(i2
.numerator() == 3, "constexpr test");
22 static_assert(i2
.denominator() == 1, "constexpr test");
23 static_assert(i3
.numerator() == 3, "constexpr test");
24 static_assert(i3
.denominator() == 1, "constexpr test");
25 static_assert(!i1
, "constexpr test");
26 static_assert(i2
, "constexpr test");