Boost C++ Libraries

boost/mpl/min_max.hpp

#ifndef BOOST_MPL_MIN_MAX_HPP_INCLUDED
#define BOOST_MPL_MIN_MAX_HPP_INCLUDED

// Copyright Aleksey Gurtovoy 2000-2008
//
// 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: min_max.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
// $Revision: 49267 $

#include <boost/mpl/less.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/aux_/na_spec.hpp>

namespace boost { namespace mpl {

template<
      typename BOOST_MPL_AUX_NA_PARAM(N1)
    , typename BOOST_MPL_AUX_NA_PARAM(N2)
    >
struct min
    : if_< less<N1,N2>,N1,N2 >
{
};

template<
      typename BOOST_MPL_AUX_NA_PARAM(N1)
    , typename BOOST_MPL_AUX_NA_PARAM(N2)
    >
struct max
    : if_< less<N1,N2>,N2,N1 >
{
};

BOOST_MPL_AUX_NA_SPEC(2, min)
BOOST_MPL_AUX_NA_SPEC(2, max)

}}

#endif // BOOST_MPL_MIN_MAX_HPP_INCLUDED