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