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 #ifndef BOOST_UNIT_SYSTEMS_IMPERIAL_TON_HPP_INCLUDED 12 #define BOOST_UNIT_SYSTEMS_IMPERIAL_TON_HPP_INCLUDED 13 14 #include <boost/units/scaled_base_unit.hpp> 15 #include <boost/units/static_rational.hpp> 16 #include <boost/units/scale.hpp> 17 #include <boost/units/base_units/imperial/pound.hpp> 18 19 namespace boost { 20 21 namespace units { 22 23 namespace imperial { 24 25 typedef scaled_base_unit<pound_base_unit, scale<2240, static_rational<1> > > ton_base_unit; 26 27 } // namespace imperial 28 29 template<> 30 struct base_unit_info<imperial::ton_base_unit> { nameboost::units::base_unit_info31 static BOOST_CONSTEXPR const char* name() { return("long ton"); } symbolboost::units::base_unit_info32 static BOOST_CONSTEXPR const char* symbol() { return("t"); } 33 }; 34 35 } // namespace units 36 37 } // namespace boost 38 39 #endif // BOOST_UNIT_SYSTEMS_IMPERIAL_TON_HPP_INCLUDED 40 41