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85 lines
2.1 KiB
85 lines
2.1 KiB
/////////////////////////////////////////////////////////////////////////////// |
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// min.hpp |
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// |
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// Copyright 2005 Eric Niebler. Distributed under the Boost |
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// Software License, Version 1.0. (See accompanying file |
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_ACCUMULATORS_STATISTICS_MIN_HPP_EAN_28_10_2005 |
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#define BOOST_ACCUMULATORS_STATISTICS_MIN_HPP_EAN_28_10_2005 |
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#include <limits> |
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#include <boost/mpl/placeholders.hpp> |
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#include <boost/accumulators/framework/accumulator_base.hpp> |
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#include <boost/accumulators/framework/extractor.hpp> |
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#include <boost/accumulators/framework/parameters/sample.hpp> |
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#include <boost/accumulators/numeric/functional.hpp> |
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#include <boost/accumulators/framework/depends_on.hpp> |
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#include <boost/accumulators/statistics_fwd.hpp> |
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namespace boost { namespace accumulators |
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{ |
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namespace impl |
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{ |
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/////////////////////////////////////////////////////////////////////////////// |
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// min_impl |
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template<typename Sample> |
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struct min_impl |
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: accumulator_base |
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{ |
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// for boost::result_of |
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typedef Sample result_type; |
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template<typename Args> |
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min_impl(Args const &args) |
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: min_(numeric::as_max(args[sample | Sample()])) |
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{ |
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} |
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template<typename Args> |
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void operator ()(Args const &args) |
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{ |
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numeric::min_assign(this->min_, args[sample]); |
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} |
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result_type result(dont_care) const |
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{ |
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return this->min_; |
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} |
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private: |
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Sample min_; |
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}; |
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} // namespace impl |
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/////////////////////////////////////////////////////////////////////////////// |
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// tag::min |
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// |
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namespace tag |
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{ |
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struct min |
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: depends_on<> |
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{ |
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/// INTERNAL ONLY |
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/// |
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typedef accumulators::impl::min_impl<mpl::_1> impl; |
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}; |
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} |
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/////////////////////////////////////////////////////////////////////////////// |
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// extract::min |
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// |
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namespace extract |
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{ |
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extractor<tag::min> const min = {}; |
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BOOST_ACCUMULATORS_IGNORE_GLOBAL(min) |
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} |
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using extract::min; |
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}} // namespace boost::accumulators |
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#endif
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