SmoothTransitionFunction.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 "Function.h"
#include "FunctionInterface.h"

class SmoothTransitionFunction : public Function, public FunctionInterface
{
public:
  SmoothTransitionFunction(const InputParameters & parameters);

protected:
  const unsigned int _component;
  const bool _use_time;

  const Function & _function1;
  const Function & _function2;

  const Real & _x_center;
  const Real & _transition_width;

public:
  static InputParameters validParams();
};