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
22namespace boost {
23
24namespace units {
25
26/// Utility class to simplify construction of dimensionless quantities.
27template<class System,class Y>
28struct 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

source code of boost/boost/units/dimensionless_quantity.hpp