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/Src/Dependencies/Boost/boost/mpl/aux_/preprocessed/plain/minus.hpp

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C++ Header | 141 lines | 111 code | 21 blank | 9 comment | 0 complexity | 83127c2989707358c355bafdc5ea5ace MD5 | raw file
  1
  2// Copyright Aleksey Gurtovoy 2000-2004
  3//
  4// Distributed under the Boost Software License, Version 1.0. 
  5// (See accompanying file LICENSE_1_0.txt or copy at 
  6// http://www.boost.org/LICENSE_1_0.txt)
  7//
  8
  9// Preprocessed version of "boost/mpl/minus.hpp" header
 10// -- DO NOT modify by hand!
 11
 12namespace boost { namespace mpl {
 13
 14template<
 15      typename Tag1
 16    , typename Tag2
 17    >
 18struct minus_impl
 19    : if_c<
 20          ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
 21              > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
 22            )
 23
 24        , aux::cast2nd_impl< minus_impl< Tag1,Tag1 >,Tag1, Tag2 >
 25        , aux::cast1st_impl< minus_impl< Tag2,Tag2 >,Tag1, Tag2 >
 26        >::type
 27{
 28};
 29
 30/// for Digital Mars C++/compilers with no CTPS/TTP support
 31template<> struct minus_impl< na,na >
 32{
 33    template< typename U1, typename U2 > struct apply
 34    {
 35        typedef apply type;
 36        BOOST_STATIC_CONSTANT(int, value  = 0);
 37    };
 38};
 39
 40template< typename Tag > struct minus_impl< na,Tag >
 41{
 42    template< typename U1, typename U2 > struct apply
 43    {
 44        typedef apply type;
 45        BOOST_STATIC_CONSTANT(int, value  = 0);
 46    };
 47};
 48
 49template< typename Tag > struct minus_impl< Tag,na >
 50{
 51    template< typename U1, typename U2 > struct apply
 52    {
 53        typedef apply type;
 54        BOOST_STATIC_CONSTANT(int, value  = 0);
 55    };
 56};
 57
 58template< typename T > struct minus_tag
 59{
 60    typedef typename T::tag type;
 61};
 62
 63template<
 64      typename BOOST_MPL_AUX_NA_PARAM(N1)
 65    , typename BOOST_MPL_AUX_NA_PARAM(N2)
 66    , typename N3 = na, typename N4 = na, typename N5 = na
 67    >
 68struct minus
 69    : minus< minus< minus< minus< N1,N2 >, N3>, N4>, N5>
 70{
 71};
 72
 73template<
 74      typename N1, typename N2, typename N3, typename N4
 75    >
 76struct minus< N1,N2,N3,N4,na >
 77
 78    : minus< minus< minus< N1,N2 >, N3>, N4>
 79{
 80    BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
 81          5
 82        , minus
 83        , ( N1, N2, N3, N4, na )
 84        )
 85};
 86
 87template<
 88      typename N1, typename N2, typename N3
 89    >
 90struct minus< N1,N2,N3,na,na >
 91
 92    : minus< minus< N1,N2 >, N3>
 93{
 94    BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
 95          5
 96        , minus
 97        , ( N1, N2, N3, na, na )
 98        )
 99};
100
101template<
102      typename N1, typename N2
103    >
104struct minus< N1,N2,na,na,na >
105    : minus_impl<
106          typename minus_tag<N1>::type
107        , typename minus_tag<N2>::type
108        >::template apply< N1,N2 >::type
109{
110    BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
111          5
112        , minus
113        , ( N1, N2, na, na, na )
114        )
115
116};
117
118BOOST_MPL_AUX_NA_SPEC2(2, 5, minus)
119
120}}
121
122namespace boost { namespace mpl {
123template<>
124struct minus_impl< integral_c_tag,integral_c_tag >
125{
126    template< typename N1, typename N2 > struct apply
127
128        : integral_c<
129              typename aux::largest_int<
130                  typename N1::value_type
131                , typename N2::value_type
132                >::type
133            , ( BOOST_MPL_AUX_VALUE_WKND(N1)::value
134                  - BOOST_MPL_AUX_VALUE_WKND(N2)::value
135                )
136            >
137    {
138    };
139};
140
141}}