moments.hpp

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#pragma once
 
#include <randlib/fit/mle.hpp>
 
#include <ranges>
#include <span>
#include <type_traits>
 
namespace randlib
{
 
template <class Distribution>
    requires detail::FittableModel<Distribution>
FitResult<Distribution> fit_moments(std::span<const typename Distribution::value_type> sample)
{
    return fit<Distribution>(sample, Method::MethodOfMoments);
}
 
template <class Distribution, std::ranges::contiguous_range Range>
    requires std::same_as<std::remove_cv_t<std::ranges::range_value_t<Range>>, typename Distribution::value_type> &&
             detail::FittableModel<Distribution>
FitResult<Distribution> fit_moments(const Range &sample)
{
    return fit_moments<Distribution>(std::span<const typename Distribution::value_type>(sample));
}
 
} // namespace randlib