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## Struct template extended_p_square_quantile_impl

boost::accumulators::impl::extended_p_square_quantile_impl — Quantile estimation using the extended algorithm for weighted and unweighted samples.

## Synopsis

    // In header: <boost/accumulators/statistics/extended_p_square_quantile.hpp>

    template<typename Sample, typename Impl1, typename Impl2>
    struct extended_p_square_quantile_impl {
      // types
      typedef numeric::functional::fdiv< Sample, std::size_t >::result_type float_type;
      typedef std::vector< float_type >                                     array_type;
      typedef unspecified                                                   range_type;
      typedef float_type                                                    result_type;

      // construct/copy/destruct
      template<typename Args> extended_p_square_quantile_impl(Args const &);

      // public member functions
      template<typename Args> result_type result(Args const &) const;
    };

## Description

Uses the quantile estimates calculated by the extended algorithm to compute intermediate quantile estimates by means of quadratic interpolation.

### `extended_p_square_quantile_impl` public construct/copy/destruct

1.     template<typename Args> extended_p_square_quantile_impl(Args const & args);

### `extended_p_square_quantile_impl` public member functions

1.     template<typename Args> result_type result(Args const & args) const;