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 #ifndef BOOST_UNITS_DIMENSIONLESS_QUANTITY_HPP 12 #define BOOST_UNITS_DIMENSIONLESS_QUANTITY_HPP 13 14 /// 15 /// \file 16 /// \brief Utility class to simplify construction of dimensionless quantities. 17 /// 18 19 #include <boost/units/dimensionless_unit.hpp> 20 #include <boost/units/quantity.hpp> 21 22 namespace boost { 23 24 namespace units { 25 26 /// Utility class to simplify construction of dimensionless quantities. 27 template<class System,class Y> 28 struct dimensionless_quantity 29 { 30 typedef quantity<typename dimensionless_unit<System>::type,Y> type; 31 }; 32 33 } // namespace units 34 35 } // namespace boost 36 37 #endif // BOOST_UNITS_DIMENSIONLESS_QUANTITY_HPP 38