epoc32/include/stdapis/boost/mpl/aux_/numeric_cast_utils.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
     1 
     2 #ifndef BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED
     3 #define BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED
     4 
     5 // Copyright Aleksey Gurtovoy 2003-2004
     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/aux_/numeric_cast_utils.hpp,v $
    14 // $Date: 2004/11/28 01:39:23 $
    15 // $Revision: 1.2 $
    16 
    17 #include <boost/mpl/numeric_cast.hpp>
    18 #include <boost/mpl/apply_wrap.hpp>
    19 #include <boost/mpl/aux_/config/forwarding.hpp>
    20 
    21 namespace boost { namespace mpl { namespace aux {
    22 
    23 template<
    24       typename F
    25     , typename Tag1
    26     , typename Tag2
    27     >
    28 struct cast1st_impl
    29 {
    30     template< typename N1, typename N2 > struct apply
    31 #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
    32         : apply_wrap2< 
    33               F
    34             , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag1,Tag2>,N1 >::type
    35             , N2
    36             >
    37     {
    38 #else
    39     {
    40     typedef typename apply_wrap2< 
    41               F
    42             , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag1,Tag2>,N1 >::type
    43             , N2
    44             >::type type;
    45 #endif
    46     };
    47 };
    48 
    49 template<
    50       typename F
    51     , typename Tag1
    52     , typename Tag2
    53     >
    54 struct cast2nd_impl
    55 {
    56     template< typename N1, typename N2 > struct apply
    57 #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
    58         : apply_wrap2< 
    59               F
    60             , N1
    61             , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag2,Tag1>,N2 >::type
    62             >
    63     {
    64 #else
    65     {
    66         typedef typename apply_wrap2< 
    67               F
    68             , N1
    69             , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag2,Tag1>,N2 >::type
    70             >::type type;
    71 #endif
    72     };
    73 };
    74 
    75 }}}
    76 
    77 #endif // BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED