[1022] | 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 | , BOOST_MPL_AUX_NTTP_DECL(int, tag1_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value |
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| 20 | , BOOST_MPL_AUX_NTTP_DECL(int, tag2_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value |
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| 21 | > |
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| 22 | struct shift_left_impl |
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| 23 | : if_c< |
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| 24 | ( tag1_ > tag2_ ) |
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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<> struct shift_left_impl< na,integral_c_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<> struct shift_left_impl< integral_c_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 | : tag< T,na > |
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| 61 | { |
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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 | : aux::msvc_eti_base< typename apply_wrap2< |
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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 | > |
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| 74 | , N1 |
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| 75 | , N2 |
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| 76 | >::type >::type |
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| 77 | |
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| 78 | { |
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| 79 | BOOST_MPL_AUX_LAMBDA_SUPPORT(2, shift_left, (N1, N2)) |
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| 80 | |
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| 81 | }; |
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| 82 | |
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| 83 | BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_left) |
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| 84 | |
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| 85 | }} |
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| 86 | |
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| 87 | namespace boost { namespace mpl { |
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| 88 | |
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| 89 | namespace aux { |
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| 90 | template< typename T, typename Shift, T n, Shift s > |
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| 91 | struct shift_left_wknd |
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| 92 | { |
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| 93 | BOOST_STATIC_CONSTANT(T, value = (n << s)); |
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| 94 | typedef integral_c< T,value > type; |
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| 95 | }; |
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| 96 | |
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| 97 | } |
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| 98 | |
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| 99 | template<> |
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| 100 | struct shift_left_impl< integral_c_tag,integral_c_tag > |
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| 101 | { |
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| 102 | template< typename N, typename S > struct apply |
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| 103 | : aux::shift_left_wknd< |
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| 104 | typename N::value_type |
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| 105 | , typename S::value_type |
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| 106 | , N::value |
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| 107 | , S::value |
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| 108 | >::type |
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| 109 | |
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| 110 | { |
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| 111 | }; |
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| 112 | }; |
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| 113 | |
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| 114 | }} |
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