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()17int 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