| /////////////////////////////////////////////////////////////////////////////// |
| // min.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_MIN_HPP_EAN_28_10_2005 |
| #define BOOST_ACCUMULATORS_STATISTICS_MIN_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 |
| { |
| /////////////////////////////////////////////////////////////////////////////// |
| // min_impl |
| template<typename Sample> |
| struct min_impl |
| : accumulator_base |
| { |
| // for boost::result_of |
| typedef Sample result_type; |
| |
| template<typename Args> |
| min_impl(Args const &args) |
| : min_(numeric::as_max(args[sample | Sample()])) |
| { |
| } |
| |
| template<typename Args> |
| void operator ()(Args const &args) |
| { |
| numeric::min_assign(this->min_, args[sample]); |
| } |
| |
| result_type result(dont_care) const |
| { |
| return this->min_; |
| } |
| |
| private: |
| Sample min_; |
| }; |
| |
| } // namespace impl |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // tag::min |
| // |
| namespace tag |
| { |
| struct min |
| : depends_on<> |
| { |
| /// INTERNAL ONLY |
| /// |
| typedef accumulators::impl::min_impl<mpl::_1> impl; |
| }; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // extract::min |
| // |
| namespace extract |
| { |
| extractor<tag::min> const min = {}; |
| |
| BOOST_ACCUMULATORS_IGNORE_GLOBAL(min) |
| } |
| |
| using extract::min; |
| |
| }} // namespace boost::accumulators |
| |
| #endif |