Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/algorithm/minmax.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/algorithm/minmax.hpp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,47 @@ +// (C) Copyright Herve Bronnimann 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) + +/* + Revision history: + 1 July 2004 + Split the code into two headers to lessen dependence on + Boost.tuple. (Herve) + 26 June 2004 + Added the code for the boost minmax library. (Herve) +*/ + +#ifndef BOOST_ALGORITHM_MINMAX_HPP +#define BOOST_ALGORITHM_MINMAX_HPP + +/* PROPOSED STANDARD EXTENSIONS: + * + * minmax(a, b) + * Effect: (b<a) ? std::make_pair(b,a) : std::make_pair(a,b); + * + * minmax(a, b, comp) + * Effect: comp(b,a) ? std::make_pair(b,a) : std::make_pair(a,b); + * + */ + +#include <boost/tuple/tuple.hpp> // for using pairs with boost::cref +#include <boost/ref.hpp> + +namespace boost { + + template <typename T> + tuple< T const&, T const& > + minmax(T const& a, T const& b) { + return (b<a) ? make_tuple(cref(b),cref(a)) : make_tuple(cref(a),cref(b)); + } + + template <typename T, class BinaryPredicate> + tuple< T const&, T const& > + minmax(T const& a, T const& b, BinaryPredicate comp) { + return comp(b,a) ? make_tuple(cref(b),cref(a)) : make_tuple(cref(a),cref(b)); + } + +} // namespace boost + +#endif // BOOST_ALGORITHM_MINMAX_HPP