ADCubicTransition.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 "ADSmoothTransition.h"
 
class ADCubicTransition : public ADSmoothTransition
{
public:
  ADCubicTransition(const ADReal & x_center, const ADReal & transition_width);
 
  virtual ADReal value(const ADReal & x, const ADReal & f1, const ADReal & f2) const override;
 
  void initialize(const ADReal & f1_end_value,
                  const ADReal & f2_end_value,
                  const ADReal & df1dx_end_value,
                  const ADReal & df2dx_end_value);
 
protected:
  // Polynomial coefficients
  ADReal _A;
  ADReal _B;
  ADReal _C;
  ADReal _D;
 
  bool _initialized;
};