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Viewing changes to boost/boost/mpl/minus.hpp

  • Committer: Bazaar Package Importer
  • Author(s): LaMont Jones
  • Date: 2004-08-24 07:25:04 UTC
  • Revision ID: james.westby@ubuntu.com-20040824072504-zf993vnevvisdsvb
Tags: upstream-0.9.1
Import upstream version 0.9.1

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boost/boost/mpl/minus.hpp
 
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#ifndef BOOST_MPL_MINUS_HPP_INCLUDED
 
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#define BOOST_MPL_MINUS_HPP_INCLUDED
 
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// + file: boost/mpl/minus.hpp
 
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// + last modified: 25/feb/03
 
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// Copyright (c) 2000-03
 
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// Aleksey Gurtovoy
 
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//
 
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// Permission to use, copy, modify, distribute and sell this software
 
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// and its documentation for any purpose is hereby granted without fee, 
 
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// provided that the above copyright notice appears in all copies and 
 
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// that both the copyright notice and this permission notice appear in 
 
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// supporting documentation. No representations are made about the 
 
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// suitability of this software for any purpose. It is provided "as is" 
 
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// without express or implied warranty.
 
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//
 
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// See http://www.boost.org/libs/mpl for documentation.
 
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#include "boost/mpl/integral_c.hpp"
 
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#include "boost/mpl/aux_/typeof.hpp"
 
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#include "boost/mpl/aux_/value_wknd.hpp"
 
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#include "boost/mpl/aux_/void_spec.hpp"
 
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#include "boost/mpl/aux_/lambda_support.hpp"
 
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#include "boost/config.hpp"
 
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namespace boost {
 
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namespace mpl {
 
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template<
 
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      typename T, T N1, T N2, T N3 = 0, T N4 = 0, T N5 = 0
 
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    >
 
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struct minus_c
 
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{
 
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    BOOST_STATIC_CONSTANT(T, value = (N1 - N2 - N3 - N4 - N5));
 
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#if !defined(__BORLANDC__)
 
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    typedef integral_c<T,value> type;
 
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#else
 
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    typedef integral_c<T,(N1 - N2 - N3 - N4 - N5)> type;
 
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#endif
 
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};
 
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template<
 
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      typename BOOST_MPL_AUX_VOID_SPEC_PARAM(T1)
 
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    , typename BOOST_MPL_AUX_VOID_SPEC_PARAM(T2)
 
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    , typename T3 = integral_c<int,0>
 
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    , typename T4 = integral_c<int,0>
 
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    , typename T5 = integral_c<int,0>
 
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    >
 
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struct minus
 
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    : minus_c<
 
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          BOOST_MPL_AUX_TYPEOF(T1,
 
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             T1::value - T2::value - T3::value - T4::value - T5::value
 
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            )
 
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        , BOOST_MPL_AUX_MSVC_VALUE_WKND(T1)::value
 
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        , BOOST_MPL_AUX_MSVC_VALUE_WKND(T2)::value
 
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        , BOOST_MPL_AUX_MSVC_VALUE_WKND(T3)::value
 
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        , BOOST_MPL_AUX_MSVC_VALUE_WKND(T4)::value
 
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        , BOOST_MPL_AUX_MSVC_VALUE_WKND(T5)::value
 
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        >
 
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{
 
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    BOOST_MPL_AUX_LAMBDA_SUPPORT(5, minus, (T1,T2,T3,T4,T5))
 
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};
 
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BOOST_MPL_AUX_VOID_SPEC_EXT(2,5,minus)
 
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} // namespace mpl
 
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} // namespace boost
 
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#endif // BOOST_MPL_MINUS_HPP_INCLUDED