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文件: /usr/include/boost/icl/type_traits/is_discrete.hpp
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/*-----------------------------------------------------------------------------+ Copyright (c) 2008-2009: 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_IS_DISCRETE_HPP_JOFA_100410 #define BOOST_ICL_TYPE_TRAITS_IS_DISCRETE_HPP_JOFA_100410 #include <string> #include <boost/config.hpp> // For macro BOOST_STATIC_CONSTANT #include <boost/mpl/and.hpp> #include <boost/mpl/not.hpp> #ifdef BOOST_MSVC #pragma warning(push) #pragma warning(disable:4913) // user defined binary operator ',' exists but no overload could convert all operands, default built-in binary operator ',' used #endif #include <boost/detail/is_incrementable.hpp> #ifdef BOOST_MSVC #pragma warning(pop) #endif #include <boost/type_traits/is_integral.hpp> #include <boost/type_traits/is_floating_point.hpp> #include <boost/icl/type_traits/rep_type_of.hpp> #include <boost/icl/type_traits/is_numeric.hpp> namespace boost{ namespace icl { template <class Type> struct is_discrete { typedef is_discrete type; BOOST_STATIC_CONSTANT(bool, value = (mpl::and_ < boost::detail::is_incrementable<Type> , mpl::or_ < mpl::and_ < mpl::not_<has_rep_type<Type> > , is_non_floating_point<Type> > , mpl::and_ < has_rep_type<Type> , is_discrete<typename rep_type_of<Type>::type> > > >::value ) ); }; }} // namespace boost icl #endif
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