spline.hpp

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// toolboxes/stats/include/nk/stats/spline/spline.hpp
//
// Knot-manipulation primitives and pp-form splines.
 
#pragma once
 
#include <memory_resource>
#include <nk/value/value.hpp>
 
#include <string>
#include <tuple>
 
namespace nk::stats {

 

Value aveknt(const Value &t, int k, std::pmr::memory_resource *mr = nullptr);

Value augknt(const Value &knots, int k,
             std::pmr::memory_resource *mr = nullptr);

Value brk2knt(const Value &breaks, const Value &mults,
              std::pmr::memory_resource *mr = nullptr);

std::tuple<Value, Value>
knt2brk(const Value &knots, std::pmr::memory_resource *mr = nullptr);

Value ppmak(const Value &breaks, const Value &coefs, int d,
            std::pmr::memory_resource *mr = nullptr);

Value fnval(const Value &pp, const Value &x,
            std::pmr::memory_resource *mr = nullptr);

Value fnder(const Value &pp, int order,
            std::pmr::memory_resource *mr = nullptr);

Value fnint(const Value &pp, std::pmr::memory_resource *mr = nullptr);

Value csapi(const Value &x, const Value &y,
            std::pmr::memory_resource *mr = nullptr);

Value fnbrk(const Value &pp, const std::string &part,
            std::pmr::memory_resource *mr = nullptr);

Value fncmb(const Value &pp1, double c1,
            const Value &pp2 = Value::Empty, double c2 = 0.0,
            std::pmr::memory_resource *mr = nullptr);
 

} // namespace nk::stats