preprocessed/no_ctps/bitor.hpp

0001
0002 // Copyright Aleksey Gurtovoy 2000-2004
0003 // Copyright Jaap Suter 2003
0004 //
0005 // Distributed under the Boost Software License, Version 1.0.
0006 // (See accompanying file LICENSE_1_0.txt or copy at
0007 // http://www.boost.org/LICENSE_1_0.txt)
0008 //
0009
0010 // Preprocessed version of "boost/mpl/bitor.hpp" header
0011 // -- DO NOT modify by hand!
0012
0013 namespace boost { namespace mpl {
0014
0015 template<
0016       typename Tag1
0017     , typename Tag2
0018     >
0019 struct bitor_impl
0020     : if_c<
0021           ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
0022               > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
0023             )
0024
0025         , aux::cast2nd_impl< bitor_impl< Tag1,Tag1 >,Tag1, Tag2 >
0026         , aux::cast1st_impl< bitor_impl< Tag2,Tag2 >,Tag1, Tag2 >
0027         >::type
0028 {
0029 };
0030
0031 /// for Digital Mars C++/compilers with no CTPS/TTP support
0032 template<> struct bitor_impl< na,na >
0033 {
0034     template< typename U1, typename U2 > struct apply
0035     {
0036         typedef apply type;
0037         BOOST_STATIC_CONSTANT(int, value  = 0);
0038     };
0039 };
0040
0041 template<> struct bitor_impl< na,integral_c_tag >
0042 {
0043     template< typename U1, typename U2 > struct apply
0044     {
0045         typedef apply type;
0046         BOOST_STATIC_CONSTANT(int, value  = 0);
0047     };
0048 };
0049
0050 template<> struct bitor_impl< integral_c_tag,na >
0051 {
0052     template< typename U1, typename U2 > struct apply
0053     {
0054         typedef apply type;
0055         BOOST_STATIC_CONSTANT(int, value  = 0);
0056     };
0057 };
0058
0059 template< typename T > struct bitor_tag
0060 {
0061     typedef typename T::tag type;
0062 };
0063
0064 /// forward declaration
0065
0066 template<
0067       typename BOOST_MPL_AUX_NA_PARAM(N1)
0068     , typename BOOST_MPL_AUX_NA_PARAM(N2)
0069     >
0070 struct bitor_2;
0071
0072 template<
0073       typename BOOST_MPL_AUX_NA_PARAM(N1)
0074     , typename BOOST_MPL_AUX_NA_PARAM(N2)
0075     , typename N3 = na, typename N4 = na, typename N5 = na
0076     >
0077 struct bitor_
0078
0079     : if_<
0080
0081           is_na<N3>
0082         , bitor_2< N1,N2 >
0083         , bitor_<
0084               bitor_2< N1,N2 >
0085             , N3, N4, N5
0086             >
0087         >::type
0088
0089 {
0090     BOOST_MPL_AUX_LAMBDA_SUPPORT(
0091           5
0092         , bitor_
0093         , ( N1, N2, N3, N4, N5 )
0094         )
0095 };
0096
0097 template<
0098       typename N1
0099     , typename N2
0100     >
0101 struct bitor_2
0102     : bitor_impl<
0103           typename bitor_tag<N1>::type
0104         , typename bitor_tag<N2>::type
0105         >::template apply< N1,N2 >::type
0106 {
0107     BOOST_MPL_AUX_LAMBDA_SUPPORT(2, bitor_2, (N1, N2))
0108
0109 };
0110
0111 BOOST_MPL_AUX_NA_SPEC2(2, 5, bitor_)
0112
0113 }}
0114
0115 namespace boost { namespace mpl {
0116 template<>
0117 struct bitor_impl< integral_c_tag,integral_c_tag >
0118 {
0119     template< typename N1, typename N2 > struct apply
0120
0121         : integral_c<
0122               typename aux::largest_int<
0123                   typename N1::value_type
0124                 , typename N2::value_type
0125                 >::type
0126             , ( BOOST_MPL_AUX_VALUE_WKND(N1)::value
0127                   | BOOST_MPL_AUX_VALUE_WKND(N2)::value
0128                 )
0129             >
0130     {
0131     };
0132 };
0133
0134 }}