source: NonGTP/Boost/boost/mpl/aux_/arithmetic_op.hpp @ 857

Revision 857, 2.6 KB checked in by igarcia, 19 years ago (diff)
Line 
1
2// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
3
4// Copyright Aleksey Gurtovoy 2000-2004
5//
6// Distributed under the Boost Software License, Version 1.0.
7// (See accompanying file LICENSE_1_0.txt or copy at
8// http://www.boost.org/LICENSE_1_0.txt)
9//
10// See http://www.boost.org/libs/mpl for documentation.
11
12// $Source: /cvsroot/boost/boost/boost/mpl/aux_/arithmetic_op.hpp,v $
13// $Date: 2004/09/07 08:51:32 $
14// $Revision: 1.4 $
15
16#if !defined(BOOST_MPL_PREPROCESSING_MODE)
17#   include <boost/mpl/integral_c.hpp>
18#   include <boost/mpl/aux_/largest_int.hpp>
19#   include <boost/mpl/aux_/value_wknd.hpp>
20#endif
21
22#if !defined(AUX778076_OP_PREFIX)
23#   define AUX778076_OP_PREFIX AUX778076_OP_NAME
24#endif
25
26#include <boost/mpl/aux_/numeric_op.hpp>
27#include <boost/mpl/aux_/config/static_constant.hpp>
28#include <boost/mpl/aux_/config/use_preprocessed.hpp>
29
30#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
31    && !defined(BOOST_MPL_PREPROCESSING_MODE)
32
33#   define BOOST_MPL_PREPROCESSED_HEADER AUX778076_OP_PREFIX.hpp
34#   include <boost/mpl/aux_/include_preprocessed.hpp>
35
36#else
37
38#   include <boost/mpl/aux_/config/workaround.hpp>
39#   include <boost/preprocessor/cat.hpp>
40
41
42namespace boost { namespace mpl {
43
44#if defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC)
45namespace aux {
46template< typename T, T n1, T n2 >
47struct BOOST_PP_CAT(AUX778076_OP_PREFIX,_wknd)
48{
49    BOOST_STATIC_CONSTANT(T, value = (n1 AUX778076_OP_TOKEN n2));
50    typedef integral_c<T,value> type;
51};
52}
53#endif
54
55template<>
56struct AUX778076_OP_IMPL_NAME<integral_c_tag,integral_c_tag>
57{
58    template< typename N1, typename N2 > struct apply
59#if !defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC)
60        : integral_c<
61              typename aux::largest_int<
62                  typename N1::value_type
63                , typename N2::value_type
64                >::type
65            , ( BOOST_MPL_AUX_VALUE_WKND(N1)::value
66                  AUX778076_OP_TOKEN BOOST_MPL_AUX_VALUE_WKND(N2)::value
67                )
68            >
69#else
70        : aux::BOOST_PP_CAT(AUX778076_OP_PREFIX,_wknd)<
71              typename aux::largest_int<
72                  typename N1::value_type
73                , typename N2::value_type
74                >::type
75            , N1::value
76            , N2::value
77            >::type
78#endif
79    {
80    };
81};
82
83}}
84
85#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
86
87#undef AUX778076_OP_TAG_NAME
88#undef AUX778076_OP_IMPL_NAME
89#undef AUX778076_OP_ARITY
90#undef AUX778076_OP_PREFIX
91#undef AUX778076_OP_NAME
92#undef AUX778076_OP_TOKEN
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