1.1 --- a/epoc32/include/stdapis/boost/graph/detail/is_same.hpp Wed Mar 31 12:27:01 2010 +0100
1.2 +++ b/epoc32/include/stdapis/boost/graph/detail/is_same.hpp Wed Mar 31 12:33:34 2010 +0100
1.3 @@ -1,103 +1,40 @@
1.4 +//=======================================================================
1.5 +// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
1.6 +// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
1.7 +//
1.8 +// Distributed under the Boost Software License, Version 1.0. (See
1.9 +// accompanying file LICENSE_1_0.txt or copy at
1.10 +// http://www.boost.org/LICENSE_1_0.txt)
1.11 +//=======================================================================
1.12 +#ifndef BOOST_GRAPH_DETAIL_IS_SAME_HPP
1.13 +#define BOOST_GRAPH_DETAIL_IS_SAME_HPP
1.14
1.15 -// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
1.16 -// Howard Hinnant and John Maddock 2000.
1.17 -// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
1.18 -
1.19 -// Use, modification and distribution are subject to the Boost Software License,
1.20 -// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
1.21 -// http://www.boost.org/LICENSE_1_0.txt).
1.22 -//
1.23 -// See http://www.boost.org/libs/type_traits for most recent version including documentation.
1.24 -
1.25 -// Fixed is_pointer, is_reference, is_const, is_volatile, is_same,
1.26 -// is_member_pointer based on the Simulated Partial Specialization work
1.27 -// of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or
1.28 -// http://groups.yahoo.com/group/boost/message/5441
1.29 -// Some workarounds in here use ideas suggested from "Generic<Programming>:
1.30 -// Mappings between Types and Values"
1.31 -// by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
1.32 -
1.33 -
1.34 -#ifndef BOOST_TT_IS_SAME_HPP_INCLUDED
1.35 -#define BOOST_TT_IS_SAME_HPP_INCLUDED
1.36 -
1.37 -#include <boost/type_traits/config.hpp>
1.38 -#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
1.39 -#include <boost/type_traits/detail/yes_no_type.hpp>
1.40 -#include <boost/type_traits/detail/ice_and.hpp>
1.41 -#include <boost/type_traits/is_reference.hpp>
1.42 -#endif
1.43 -// should be the last #include
1.44 -#include <boost/type_traits/detail/bool_trait_def.hpp>
1.45 +#include <boost/pending/ct_if.hpp>
1.46
1.47 namespace boost {
1.48 + struct false_tag;
1.49 + struct true_tag;
1.50
1.51 -#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
1.52 -
1.53 -BOOST_TT_AUX_BOOL_TRAIT_DEF2(is_same,T,U,false)
1.54 -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_1(typename T,is_same,T,T,true)
1.55 -#if BOOST_WORKAROUND(__BORLANDC__, < 0x600)
1.56 -// without this, Borland's compiler gives the wrong answer for
1.57 -// references to arrays:
1.58 -BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_1(typename T,is_same,T&,T&,true)
1.59 + namespace graph_detail {
1.60 +
1.61 +#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
1.62 + template <class U, class V>
1.63 + struct is_same {
1.64 + typedef boost::false_tag is_same_tag;
1.65 + };
1.66 + template <class U>
1.67 + struct is_same<U, U> {
1.68 + typedef boost::true_tag is_same_tag;
1.69 + };
1.70 +#else
1.71 + template <class U, class V>
1.72 + struct is_same {
1.73 + enum { Unum = U::num, Vnum = V::num };
1.74 + typedef typename boost::ct_if< (Unum == Vnum),
1.75 + boost::true_tag, boost::false_tag>::type is_same_tag;
1.76 + };
1.77 #endif
1.78 -
1.79 -#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
1.80 -
1.81 -namespace detail {
1.82 -
1.83 -#ifdef BOOST_MSVC
1.84 -// the following VC6 specific implementation is *NOT* legal
1.85 -// C++, but has the advantage that it works for incomplete
1.86 -// types.
1.87 -
1.88 -template< typename T1 >
1.89 -struct is_same_part_1
1.90 -{
1.91 - template<typename T2> struct part_2 { enum { value = false }; };
1.92 - template<> struct part_2<T1> { enum { value = true }; };
1.93 -};
1.94 -
1.95 -template< typename T1, typename T2 >
1.96 -struct is_same_impl
1.97 -{
1.98 - enum { value = detail::is_same_part_1<T1>::template part_2<T2>::value };
1.99 -};
1.100 -
1.101 -#else // generic "no-partial-specialization" version
1.102 -
1.103 -template <typename T>
1.104 -::boost::type_traits::yes_type
1.105 -BOOST_TT_DECL is_same_tester(T*, T*);
1.106 -
1.107 -::boost::type_traits::no_type
1.108 -BOOST_TT_DECL is_same_tester(...);
1.109 -
1.110 -template <typename T, typename U>
1.111 -struct is_same_impl
1.112 -{
1.113 - static T t;
1.114 - static U u;
1.115 -
1.116 - BOOST_STATIC_CONSTANT(bool, value =
1.117 - (::boost::type_traits::ice_and<
1.118 - (sizeof(type_traits::yes_type) == sizeof(detail::is_same_tester(&t,&u))),
1.119 - (::boost::is_reference<T>::value == ::boost::is_reference<U>::value),
1.120 - (sizeof(T) == sizeof(U))
1.121 - >::value));
1.122 -};
1.123 -
1.124 -#endif // BOOST_MSVC
1.125 -
1.126 -} // namespace detail
1.127 -
1.128 -BOOST_TT_AUX_BOOL_TRAIT_DEF2(is_same,T,U,(::boost::detail::is_same_impl<T,U>::value))
1.129 -
1.130 -#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
1.131 -
1.132 + } // namespace graph_detail
1.133 } // namespace boost
1.134
1.135 -#include <boost/type_traits/detail/bool_trait_undef.hpp>
1.136 -
1.137 -#endif // BOOST_TT_IS_SAME_HPP_INCLUDED
1.138 -
1.139 +#endif