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- ///////////////////////////////////////////////////////////////////////////////
- // Copyright 2015 John Maddock. Distributed under the Boost
- // Software License, Version 1.0. (See accompanying file
- // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- #include <boost/rational.hpp>
- int main()
- {
- #ifndef BOOST_NO_CXX11_CONSTEXPR
- constexpr boost::rational<int> i1;
- constexpr boost::rational<int> i2(3);
- constexpr boost::rational<long long> i3(i2);
- constexpr boost::rational<short> i4(i2);
- constexpr boost::rational<long long> i5(23u); // converting constructor
- // constexpr boost::rational<short> i6(23u); // Not supported, needs an explicit typecast in constructor.
- static_assert(i1.numerator() == 0, "constexpr test");
- static_assert(i1.denominator() == 1, "constexpr test");
- static_assert(i2.numerator() == 3, "constexpr test");
- static_assert(i2.denominator() == 1, "constexpr test");
- static_assert(i3.numerator() == 3, "constexpr test");
- static_assert(i3.denominator() == 1, "constexpr test");
- static_assert(!i1, "constexpr test");
- static_assert(i2, "constexpr test");
- #endif
- return 0;
- }
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