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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/mpl/negate.hpp
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+
+#ifndef BOOST_MPL_NEGATE_HPP_INCLUDED
+#define BOOST_MPL_NEGATE_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: negate.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
+// $Revision: 49267 $
+
+#include <boost/mpl/integral_c.hpp>
+#include <boost/mpl/aux_/msvc_eti_base.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+#include <boost/mpl/aux_/config/eti.hpp>
+#include <boost/mpl/aux_/config/integral.hpp>
+#include <boost/mpl/aux_/config/static_constant.hpp>
+
+namespace boost { namespace mpl {
+
+template< typename Tag > struct negate_impl;
+
+template< typename T > struct negate_tag
+{
+ typedef typename T::tag type;
+};
+
+template<
+ typename BOOST_MPL_AUX_NA_PARAM(N)
+ >
+struct negate
+#if !defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
+ : negate_impl<
+ typename negate_tag<N>::type
+ >::template apply<N>::type
+#else
+ : aux::msvc_eti_base< typename apply_wrap1<
+ negate_impl< typename negate_tag<N>::type >
+ , N
+ >::type >::type
+#endif
+{
+ BOOST_MPL_AUX_LAMBDA_SUPPORT(1, negate, (N))
+};
+
+BOOST_MPL_AUX_NA_SPEC(1, negate)
+
+
+#if defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC)
+namespace aux {
+template< typename T, T n > struct negate_wknd
+{
+ BOOST_STATIC_CONSTANT(T, value = -n);
+ typedef integral_c<T,value> type;
+};
+}
+#endif
+
+template<>
+struct negate_impl<integral_c_tag>
+{
+#if defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC)
+ template< typename N > struct apply
+ : aux::negate_wknd< typename N::value_type, N::value >
+#else
+ template< typename N > struct apply
+ : integral_c< typename N::value_type, (-N::value) >
+#endif
+ {
+ };
+};
+
+}}
+
+#endif // BOOST_MPL_NEGATE_HPP_INCLUDED