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43 lines
958 B
C++
43 lines
958 B
C++
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// Boost.Units - A C++ library for zero-overhead dimensional analysis and
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// unit/quantity manipulation and conversion
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//
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// Copyright (C) 2003-2008 Matthias Christian Schabel
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// Copyright (C) 2008 Steven Watanabe
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_UNITS_IS_QUANTITY_HPP
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#define BOOST_UNITS_IS_QUANTITY_HPP
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///
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/// \file
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/// \brief Check that a type is a quantity.
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///
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#include <boost/mpl/bool.hpp>
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#include <boost/units/units_fwd.hpp>
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namespace boost {
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namespace units {
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/// Check that a type is a quantity.
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template<typename T>
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struct is_quantity :
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public mpl::false_
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{ };
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template<class Unit,
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class Y>
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struct is_quantity< quantity<Unit,Y> > :
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public mpl::true_
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{ };
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} // namespace units
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} // namespace boost
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#endif // BOOST_UNITS_IS_QUANTITY_HPP
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