35 lines
970 B
C++
35 lines
970 B
C++
|
// Boost.Units - A C++ library for zero-overhead dimensional analysis and
|
||
|
// unit/quantity manipulation and conversion
|
||
|
//
|
||
|
// Copyright (C) 2003-2008 Matthias Christian Schabel
|
||
|
// Copyright (C) 2008 Steven Watanabe
|
||
|
//
|
||
|
// Distributed under the Boost Software License, Version 1.0. (See
|
||
|
// accompanying file LICENSE_1_0.txt or copy at
|
||
|
// http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
||
|
#ifndef BOOST_UNITS_IS_DIMENSIONLESS_QUANTITY_HPP
|
||
|
#define BOOST_UNITS_IS_DIMENSIONLESS_QUANTITY_HPP
|
||
|
|
||
|
/// \file
|
||
|
/// \brief check that a type is a dimensionless quantity
|
||
|
|
||
|
#include <boost/units/is_quantity_of_dimension.hpp>
|
||
|
#include <boost/units/units_fwd.hpp>
|
||
|
|
||
|
namespace boost {
|
||
|
|
||
|
namespace units {
|
||
|
|
||
|
/// Check that a type is a dimensionless quantity.
|
||
|
template<class T>
|
||
|
struct is_dimensionless_quantity :
|
||
|
public is_quantity_of_dimension<T,dimensionless_type>
|
||
|
{ };
|
||
|
|
||
|
} // namespace units
|
||
|
|
||
|
} // namespace boost
|
||
|
|
||
|
#endif // BOOST_UNITS_IS_DIMENSIONLESS_QUANTITY_HPP
|