#include <boost/accumulators/accumulators.hpp>
#include <boost/accumulators/statistics/stats.hpp>
#include <boost/accumulators/statistics/count.hpp>
#include <boost/accumulators/statistics/sum.hpp>
#include <boost/accumulators/statistics/min.hpp>
#include <boost/accumulators/statistics/max.hpp>
#include <boost/accumulators/statistics/weighted_mean.hpp>
#include <boost/accumulators/statistics/weighted_variance.hpp>
#include <boost/accumulators/statistics/weighted_skewness.hpp>
#include <boost/accumulators/statistics/weighted_kurtosis.hpp>
#include <boost/accumulators/statistics/weighted_moment.hpp>

class Test {
  public:
    void add(double value, double weight = 1.0) {
        acc_(value, boost::accumulators::weight=weight);
    }
  private:
    typedef boost::accumulators::accumulator_set<
        double,
        boost::accumulators::stats<
            boost::accumulators::tag::count,
            boost::accumulators::tag::min,
            boost::accumulators::tag::max,
            boost::accumulators::tag::weighted_mean,
            boost::accumulators::tag::weighted_variance,
            boost::accumulators::tag::weighted_skewness,
            boost::accumulators::tag::weighted_kurtosis,
            boost::accumulators::tag::sum_of_weights>,
        double> accumulator_set;
    accumulator_set acc_;
};