/////////////////////////////////////////////////////////////////////////////// // 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 int main() { #ifndef BOOST_NO_CXX11_CONSTEXPR constexpr boost::rational i1; constexpr boost::rational i2(3); constexpr boost::rational i3(i2); constexpr boost::rational i4(i2); constexpr boost::rational i5(23u); // converting constructor // constexpr boost::rational 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; }