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Initial work for G-code sender and more intensive usage of Boost
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// (c) Copyright Fernando Luis Cacciola Carballal 2000-2004
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (See 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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// See library home page at http://www.boost.org/libs/numeric/conversion
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//
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// Contact the author at: fernando_cacciola@hotmail.com
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//
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#ifndef BOOST_NUMERIC_CONVERSION_DETAIL_CONVERSION_TRAITS_FLC_12NOV2002_HPP
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#define BOOST_NUMERIC_CONVERSION_DETAIL_CONVERSION_TRAITS_FLC_12NOV2002_HPP
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#include "boost/type_traits/is_arithmetic.hpp"
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#include "boost/type_traits/is_same.hpp"
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#include "boost/type_traits/remove_cv.hpp"
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#include "boost/numeric/conversion/detail/meta.hpp"
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#include "boost/numeric/conversion/detail/int_float_mixture.hpp"
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#include "boost/numeric/conversion/detail/sign_mixture.hpp"
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#include "boost/numeric/conversion/detail/udt_builtin_mixture.hpp"
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#include "boost/numeric/conversion/detail/is_subranged.hpp"
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namespace boost { namespace numeric { namespace convdetail
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{
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//-------------------------------------------------------------------
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// Implementation of the Conversion Traits for T != S
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//
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// This is a VISIBLE base class of the user-level conversion_traits<> class.
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//-------------------------------------------------------------------
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template<class T,class S>
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struct non_trivial_traits_impl
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{
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typedef typename get_int_float_mixture <T,S>::type int_float_mixture ;
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typedef typename get_sign_mixture <T,S>::type sign_mixture ;
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typedef typename get_udt_builtin_mixture <T,S>::type udt_builtin_mixture ;
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typedef typename get_is_subranged<T,S>::type subranged ;
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typedef mpl::false_ trivial ;
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typedef T target_type ;
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typedef S source_type ;
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typedef T result_type ;
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typedef typename mpl::if_< is_arithmetic<S>, S, S const&>::type argument_type ;
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typedef typename mpl::if_<subranged,S,T>::type supertype ;
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typedef typename mpl::if_<subranged,T,S>::type subtype ;
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} ;
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//-------------------------------------------------------------------
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// Implementation of the Conversion Traits for T == S
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//
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// This is a VISIBLE base class of the user-level conversion_traits<> class.
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//-------------------------------------------------------------------
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template<class N>
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struct trivial_traits_impl
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{
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typedef typename get_int_float_mixture <N,N>::type int_float_mixture ;
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typedef typename get_sign_mixture <N,N>::type sign_mixture ;
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typedef typename get_udt_builtin_mixture<N,N>::type udt_builtin_mixture ;
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typedef mpl::false_ subranged ;
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typedef mpl::true_ trivial ;
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typedef N target_type ;
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typedef N source_type ;
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typedef N const& result_type ;
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typedef N const& argument_type ;
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typedef N supertype ;
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typedef N subtype ;
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} ;
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//-------------------------------------------------------------------
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// Top level implementation selector.
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//-------------------------------------------------------------------
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template<class T, class S>
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struct get_conversion_traits
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{
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typedef typename remove_cv<T>::type target_type ;
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typedef typename remove_cv<S>::type source_type ;
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typedef typename is_same<target_type,source_type>::type is_trivial ;
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typedef trivial_traits_impl <target_type> trivial_imp ;
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typedef non_trivial_traits_impl<target_type,source_type> non_trivial_imp ;
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typedef typename mpl::if_<is_trivial,trivial_imp,non_trivial_imp>::type type ;
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} ;
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} } } // namespace boost::numeric::convdetail
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#endif
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