KernelDensity1D.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#pragma once

#include "Distribution.h"

class KernelDensity1D : public Distribution
{
public:
  static InputParameters validParams();

  KernelDensity1D(const InputParameters & parameters);

  virtual Real pdf(const Real & x) const override;
  virtual Real cdf(const Real & x) const override;
  virtual Real quantile(const Real & p) const override;

  static Real pdf(const Real & x,
                  const Real & bandwidth,
                  const std::vector<Real> & data,
                  const MooseEnum & kernel_function);
  static Real cdf(const Real & x,
                  const Real & bandwidth,
                  const std::vector<Real> & data,
                  const MooseEnum & kernel_function);
  static Real quantile(const Real & p,
                       const Real & bandwidth,
                       const std::vector<Real> & data,
                       const MooseEnum & kernel_function);

protected:
  const MooseEnum & _bandwidth_rule;

  const MooseEnum & _kernel_function;

  Real _bandwidth;

  std::vector<Real> _data;
};