rician.hpp

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// toolboxes/stats/include/nk/stats/distributions/rician.hpp
//
// Rician (Rice) distribution.
 
#pragma once
 
#include <memory_resource>
#include <nk/value/value.hpp>
 
#include <tuple>
 
namespace nk {

 namespace ops { class RngContext; } }
 
namespace nk::stats {

Value ricepdf(const Value &x, double s, double sigma,
              std::pmr::memory_resource *mr = nullptr);

Value ricecdf(const Value &x, double s, double sigma,
              std::pmr::memory_resource *mr = nullptr);

Value riceinv(const Value &p, double s, double sigma,
              std::pmr::memory_resource *mr = nullptr);

Value ricernd(::nk::ops::RngContext &rng, double s, double sigma, size_t rows = 1, size_t cols = 1,
              std::pmr::memory_resource *mr = nullptr);

std::tuple<double, double>
ricestat(double s, double sigma,
         std::pmr::memory_resource *mr = nullptr);
 

} // namespace nk::stats