1// Boost.Units - A C++ library for zero-overhead dimensional analysis and
2// unit/quantity manipulation and conversion
3//
4// Copyright (C) 2003-2008 Matthias Christian Schabel
5// Copyright (C) 2008 Steven Watanabe
6//
7// Distributed under the Boost Software License, Version 1.0. (See
8// accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10
11/**
12\file
13
14\brief test_negative_denominator.cpp
15
16\details
17Test negative denominator for static_rational class.
18
19Output:
20@verbatim
21@endverbatim
22**/
23
24#include <boost/units/static_rational.hpp>
25
26#include <boost/mpl/assert.hpp>
27#include <boost/type_traits/is_same.hpp>
28
29BOOST_MPL_ASSERT((boost::is_same<boost::units::static_rational<-2,1>::type, boost::units::static_rational<2, -1>::type>));
30
31int main() {
32}
33

source code of boost/libs/units/test/test_negative_denominator.cpp