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      1 
      2 #ifndef BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
      3 #define BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
      4 
      5 // Copyright Aleksey Gurtovoy 2000-2006
      6 //
      7 // Distributed under the Boost Software License, Version 1.0.
      8 // (See accompanying file LICENSE_1_0.txt or copy at
      9 // http://www.boost.org/LICENSE_1_0.txt)
     10 //
     11 // See http://www.boost.org/libs/mpl for documentation.
     12 
     13 // $Id: integral_c.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
     14 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
     15 // $Revision: 49267 $
     16 
     17 #include <boost/mpl/integral_c_fwd.hpp>
     18 #include <boost/mpl/aux_/config/ctps.hpp>
     19 #include <boost/mpl/aux_/config/static_constant.hpp>
     20 #include <boost/mpl/aux_/config/workaround.hpp>
     21 
     22 #if BOOST_WORKAROUND(__HP_aCC, <= 53800)
     23 // the type of non-type template arguments may not depend on template arguments
     24 #   define AUX_WRAPPER_PARAMS(N) typename T, long N
     25 #else
     26 #   define AUX_WRAPPER_PARAMS(N) typename T, T N
     27 #endif
     28 
     29 #define AUX_WRAPPER_NAME integral_c
     30 #define AUX_WRAPPER_VALUE_TYPE T
     31 #define AUX_WRAPPER_INST(value) AUX_WRAPPER_NAME< T, value >
     32 #include <boost/mpl/aux_/integral_wrapper.hpp>
     33 
     34 
     35 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
     36  && !BOOST_WORKAROUND(__BORLANDC__, <= 0x551)
     37 BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
     38 // 'bool' constant doesn't have 'next'/'prior' members
     39 template< bool C >
     40 struct integral_c<bool, C>
     41 {
     42     BOOST_STATIC_CONSTANT(bool, value = C);
     43     typedef integral_c_tag tag;
     44     typedef integral_c type;
     45     typedef bool value_type;
     46     operator bool() const { return this->value; }
     47 };
     48 BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
     49 #endif
     50 
     51 #endif // BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
     52