boost/units/dimensionless_quantity.hpp

   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 #include <boost/units/dimensionless_unit.hpp>
  15 #include <boost/units/quantity.hpp>
  16
  17 namespace boost {
  18
  19 namespace units {
  20
  21 /// utility class to simplify construction of dimensionless quantities
  22 template<class System,class Y>
  23 struct dimensionless_quantity
  24 {
  25     typedef quantity<typename dimensionless_unit<System>::type,Y>   type;
  26 };
  27
  28 } // namespace units
  29
  30 } // namespace boost
  31
  32 #endif // BOOST_UNITS_DIMENSIONLESS_QUANTITY_HPP