Zernike.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 "SingleSeriesBasisInterface.h"

class Zernike : public SingleSeriesBasisInterface
{
public:
  Zernike();

  Zernike(const std::vector<MooseEnum> & domain,
          const std::vector<std::size_t> & order,
          MooseEnum expansion_type,
          MooseEnum generation_type);

  // Overrides from FunctionalBasisInterface
  virtual Real getStandardizedFunctionVolume() const override;
  virtual bool isInPhysicalBounds(const Point & point) const override;

  // Overrides from SingleSeriesBasisInterface
  virtual std::size_t
  calculatedNumberOfTermsBasedOnOrder(const std::vector<std::size_t> & order) const override;
  virtual const std::vector<Real> & getStandardizedFunctionLimits() const override;

protected:
  virtual void evaluateOrthonormal();
  virtual void evaluateStandard();
  virtual void evaluateSqrtMu();

  // Overrides from SingleSeriesBasisInterface
  virtual void checkPhysicalBounds(const std::vector<Real> & bounds) const override;
  virtual std::vector<Real>
  getStandardizedLocation(const std::vector<Real> & location) const override;

  void fillOutNegativeRankAndApplyAzimuthalComponent();

  std::size_t simpleDoubleToSingle(std::size_t n, long m) const;

  std::vector<Real> _negative_azimuthal_components;

  std::vector<Real> _positive_azimuthal_components;
};