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) |
5 | |
6 | #include <boost/rational.hpp> |
7 | |
8 | |
9 | int main() |
10 | { |
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. |
18 | |
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" ); |
27 | #endif |
28 | return 0; |
29 | } |
30 | |