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) 2007-2008 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 #include <boost/units/quantity.hpp>
12 #include <boost/units/unit.hpp>
13 #include <boost/units/systems/si/length.hpp>
14 
15 namespace bu = boost::units;
16 
main()17 int main() {
18     bu::quantity<bu::si::length, double> q1;
19     bu::quantity<bu::si::length, int> q2;
20     q1 + q2;
21     q1 -= q2;
22 }
23