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/Src/Dependencies/Boost/boost/mpl/aux_/preprocessed/msvc60/minus.hpp

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C++ Header | 148 lines | 112 code | 26 blank | 10 comment | 0 complexity | b04d3be3f78c50c8ed269af15a1557cb 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
 18    , BOOST_MPL_AUX_NTTP_DECL(int, tag1_)  = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value
 19    , BOOST_MPL_AUX_NTTP_DECL(int, tag2_)  = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value
 20    >
 21struct minus_impl
 22    : if_c<
 23          ( tag1_ > tag2_ )
 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<> struct minus_impl< na,integral_c_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<> struct minus_impl< integral_c_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
 63/// forward declaration
 64
 65template<
 66      typename BOOST_MPL_AUX_NA_PARAM(N1)
 67    , typename BOOST_MPL_AUX_NA_PARAM(N2)
 68    >
 69struct minus2;
 70
 71template<
 72      typename BOOST_MPL_AUX_NA_PARAM(N1)
 73    , typename BOOST_MPL_AUX_NA_PARAM(N2)
 74    , typename N3 = na, typename N4 = na, typename N5 = na
 75    >
 76struct minus
 77
 78    : if_<
 79
 80          is_na<N3>
 81        , minus2< N1,N2 >
 82        , minus<
 83              minus2< N1,N2 >
 84            , N3, N4, N5
 85            >
 86        >::type
 87
 88{
 89    BOOST_MPL_AUX_LAMBDA_SUPPORT(
 90          5
 91        , minus
 92        , ( N1, N2, N3, N4, N5 )
 93        )
 94};
 95
 96template<
 97      typename N1
 98    , typename N2
 99    >
100struct minus2
101    : aux::msvc_eti_base< typename apply_wrap2<
102          minus_impl<
103              typename minus_tag<N1>::type
104            , typename minus_tag<N2>::type
105            >
106        , N1
107        , N2
108        >::type >::type
109
110{
111    BOOST_MPL_AUX_LAMBDA_SUPPORT(2, minus2, (N1, N2))
112
113};
114
115BOOST_MPL_AUX_NA_SPEC2(2, 5, minus)
116
117}}
118
119namespace boost { namespace mpl {
120
121namespace aux {
122template< typename T, T n1, T n2 >
123struct minus_wknd
124{
125    BOOST_STATIC_CONSTANT(T, value  = (n1 - n2));
126    typedef integral_c< T,value > type;
127};
128
129}
130
131template<>
132struct minus_impl< integral_c_tag,integral_c_tag >
133{
134    template< typename N1, typename N2 > struct apply
135        : aux::minus_wknd<
136              typename aux::largest_int<
137                  typename N1::value_type
138                , typename N2::value_type
139                >::type
140            , N1::value
141            , N2::value
142            >::type
143
144    {
145    };
146};
147
148}}