forked from boostorg/mpl
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/arithmetic/plus.hpp header file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2000-02
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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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#ifndef BOOST_MPL_ARITHMETIC_PLUS_HPP_INCLUDED
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#define BOOST_MPL_ARITHMETIC_PLUS_HPP_INCLUDED
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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/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 plus_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 plus
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: plus_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_VALUE_WKND(T1)::value
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, BOOST_MPL_AUX_VALUE_WKND(T2)::value
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, BOOST_MPL_AUX_VALUE_WKND(T3)::value
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, BOOST_MPL_AUX_VALUE_WKND(T4)::value
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, BOOST_MPL_AUX_VALUE_WKND(T5)::value
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>
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{
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};
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BOOST_MPL_AUX_VOID_SPEC_EXT(2,5,plus)
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_ARITHMETIC_PLUS_HPP_INCLUDED
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