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- ///////////////////////////////////////////////////////////////////////////////
- // max.hpp
- //
- // Copyright 2005 Eric Niebler. 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)
- #ifndef BOOST_ACCUMULATORS_STATISTICS_MAX_HPP_EAN_28_10_2005
- #define BOOST_ACCUMULATORS_STATISTICS_MAX_HPP_EAN_28_10_2005
- #include <limits>
- #include <boost/mpl/placeholders.hpp>
- #include <boost/accumulators/framework/accumulator_base.hpp>
- #include <boost/accumulators/framework/extractor.hpp>
- #include <boost/accumulators/framework/parameters/sample.hpp>
- #include <boost/accumulators/numeric/functional.hpp>
- #include <boost/accumulators/framework/depends_on.hpp>
- #include <boost/accumulators/statistics_fwd.hpp>
- namespace boost { namespace accumulators
- {
- namespace impl
- {
- ///////////////////////////////////////////////////////////////////////////////
- // max_impl
- template<typename Sample>
- struct max_impl
- : accumulator_base
- {
- // for boost::result_of
- typedef Sample result_type;
- template<typename Args>
- max_impl(Args const &args)
- : max_(numeric::as_min(args[sample | Sample()]))
- {
- }
- template<typename Args>
- void operator ()(Args const &args)
- {
- numeric::max_assign(this->max_, args[sample]);
- }
- result_type result(dont_care) const
- {
- return this->max_;
- }
- private:
- Sample max_;
- };
- } // namespace impl
- ///////////////////////////////////////////////////////////////////////////////
- // tag::max
- //
- namespace tag
- {
- struct max
- : depends_on<>
- {
- /// INTERNAL ONLY
- ///
- typedef accumulators::impl::max_impl<mpl::_1> impl;
- };
- }
- ///////////////////////////////////////////////////////////////////////////////
- // extract::max
- //
- namespace extract
- {
- extractor<tag::max> const max = {};
- BOOST_ACCUMULATORS_IGNORE_GLOBAL(max)
- }
- using extract::max;
- }} // namespace boost::accumulators
- #endif
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