ceph/src/boost/libs/mpl/include/boost/mpl/aux_/preprocessed/plain/minus.hpp

   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
  12 namespace boost { namespace mpl {
  13
  14 template<
  15       typename Tag1
  16     , typename Tag2
  17     >
  18 struct 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
  31 template<> 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
  40 template< 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
  49 template< 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
  58 template< typename T > struct minus_tag
  59 {
  60     typedef typename T::tag type;
  61 };
  62
  63 template<
  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     >
  68 struct minus
  69     : minus< minus< minus< minus< N1,N2 >, N3>, N4>, N5>
  70 {
  71 };
  72
  73 template<
  74       typename N1, typename N2, typename N3, typename N4
  75     >
  76 struct 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
  87 template<
  88       typename N1, typename N2, typename N3
  89     >
  90 struct 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
 101 template<
 102       typename N1, typename N2
 103     >
 104 struct 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
 118 BOOST_MPL_AUX_NA_SPEC2(2, 5, minus)
 119
 120 }}
 121
 122 namespace boost { namespace mpl {
 123 template<>
 124 struct 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 }}