30 lines
998 B
C++
30 lines
998 B
C++
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/*-----------------------------------------------------------------------------+
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Copyright (c) 2010-2010: Joachim Faulhaber
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+------------------------------------------------------------------------------+
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENCE.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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+-----------------------------------------------------------------------------*/
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#ifndef BOOST_ICL_TYPE_TRAITS_ADDS_INVERSELY_HPP_JOFA_100829
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#define BOOST_ICL_TYPE_TRAITS_ADDS_INVERSELY_HPP_JOFA_100829
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#include <boost/icl/type_traits/has_inverse.hpp>
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#include <boost/icl/functors.hpp>
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namespace boost{ namespace icl
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{
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template<class Type, class Combiner>
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struct adds_inversely
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{
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typedef adds_inversely type;
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BOOST_STATIC_CONSTANT(bool,
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value = (mpl::and_<has_inverse<Type>, is_negative<Combiner> >::value));
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};
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}} // namespace boost icl
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#endif // BOOST_ICL_TYPE_TRAITS_ADDS_INVERSELY_HPP_JOFA_100829
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