source: NonGTP/Boost/boost/mpl/integral_c.hpp @ 857

Revision 857, 1.6 KB checked in by igarcia, 19 years ago (diff)
Line 
1
2#ifndef BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
3#define BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2000-2004
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// $Source: /cvsroot/boost/boost/boost/mpl/integral_c.hpp,v $
14// $Date: 2005/07/19 04:03:12 $
15// $Revision: 1.22 $
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, BOOST_TESTED_AT(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)
37BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
38// 'bool' constant doesn't have 'next'/'prior' members
39template< bool C >
40struct 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};
48BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
49#endif
50
51#endif // BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
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