[857] | 1 |
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| 2 | // Copyright Aleksey Gurtovoy 2000-2004
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| 3 | // Copyright Jaap Suter 2003
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| 4 | //
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| 5 | // Distributed under the Boost Software License, Version 1.0.
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| 6 | // (See accompanying file LICENSE_1_0.txt or copy at
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| 7 | // http://www.boost.org/LICENSE_1_0.txt)
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| 8 | //
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| 9 |
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| 10 | // Preprocessed version of "boost/mpl/shift_left.hpp" header
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| 11 | // -- DO NOT modify by hand!
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| 12 |
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| 13 | namespace boost { namespace mpl {
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| 14 |
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| 15 | template<
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| 16 | typename Tag1
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| 17 | , typename Tag2
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| 18 | >
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| 19 | struct shift_left_impl
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| 20 | : if_c<
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| 21 | ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
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| 22 | > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
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| 23 | )
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| 24 |
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| 25 | , aux::cast2nd_impl< shift_left_impl< Tag1,Tag1 >,Tag1, Tag2 >
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| 26 | , aux::cast1st_impl< shift_left_impl< Tag2,Tag2 >,Tag1, Tag2 >
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| 27 | >::type
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| 28 | {
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| 29 | };
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| 30 |
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| 31 | /// for Digital Mars C++/compilers with no CTPS/TTP support
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| 32 | template<> struct shift_left_impl< na,na >
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| 33 | {
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| 34 | template< typename U1, typename U2 > struct apply
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| 35 | {
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| 36 | typedef apply type;
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| 37 | BOOST_STATIC_CONSTANT(int, value = 0);
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| 38 | };
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| 39 | };
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| 40 |
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| 41 | template< typename Tag > struct shift_left_impl< na,Tag >
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| 42 | {
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| 43 | template< typename U1, typename U2 > struct apply
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| 44 | {
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| 45 | typedef apply type;
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| 46 | BOOST_STATIC_CONSTANT(int, value = 0);
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| 47 | };
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| 48 | };
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| 49 |
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| 50 | template< typename Tag > struct shift_left_impl< Tag,na >
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| 51 | {
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| 52 | template< typename U1, typename U2 > struct apply
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| 53 | {
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| 54 | typedef apply type;
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| 55 | BOOST_STATIC_CONSTANT(int, value = 0);
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| 56 | };
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| 57 | };
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| 58 |
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| 59 | template< typename T > struct shift_left_tag
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| 60 | {
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| 61 | typedef typename T::tag type;
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| 62 | };
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| 63 |
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| 64 | template<
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| 65 | typename BOOST_MPL_AUX_NA_PARAM(N1)
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| 66 | , typename BOOST_MPL_AUX_NA_PARAM(N2)
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| 67 | >
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| 68 | struct shift_left
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| 69 |
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| 70 | : shift_left_impl<
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| 71 | typename shift_left_tag<N1>::type
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| 72 | , typename shift_left_tag<N2>::type
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| 73 | >::template apply< N1,N2 >::type
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| 74 | {
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| 75 | BOOST_MPL_AUX_LAMBDA_SUPPORT(2, shift_left, (N1, N2))
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| 76 |
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| 77 | };
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| 78 |
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| 79 | BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_left)
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| 80 |
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| 81 | }}
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| 82 |
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| 83 | namespace boost { namespace mpl {
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| 84 |
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| 85 | namespace aux {
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| 86 | template< typename T, typename Shift, T n, Shift s >
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| 87 | struct shift_left_wknd
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| 88 | {
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| 89 | BOOST_STATIC_CONSTANT(T, value = (n << s));
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| 90 | typedef integral_c< T,value > type;
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| 91 | };
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| 92 |
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| 93 | }
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| 94 |
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| 95 | template<>
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| 96 | struct shift_left_impl< integral_c_tag,integral_c_tag >
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| 97 | {
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| 98 | template< typename N, typename S > struct apply
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| 99 | : aux::shift_left_wknd<
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| 100 | typename N::value_type
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| 101 | , typename S::value_type
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| 102 | , N::value
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| 103 | , S::value
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| 104 | >::type
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| 105 |
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| 106 | {
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| 107 | };
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| 108 | };
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| 109 |
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| 110 | }}
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