PiecewiseConstant.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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 "PiecewiseTabularBase.h"

class PiecewiseConstant : public PiecewiseTabularBase
{
public:
  static InputParameters validParams();

  PiecewiseConstant(const InputParameters & parameters);

  using Function::value;
  virtual Real value(Real t, const Point & p) const override;
  virtual ADReal value(const ADReal & t, const ADPoint & p) const override;

  virtual Real timeDerivative(Real t, const Point & pt) const override;
  virtual Real integral() const override;
  virtual Real average() const override;

private:
  const enum class Direction { LEFT, RIGHT, LEFT_INCLUSIVE, RIGHT_INCLUSIVE } _direction;
};