forked from boostorg/mpl
68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
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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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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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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
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