ADScalarKernel.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 "ScalarKernelBase.h"
 
class ADScalarKernel : public ScalarKernelBase
{
public:
  static InputParameters validParams();
 
  ADScalarKernel(const InputParameters & parameters);
 
  virtual void reinit() override;
  virtual void computeResidual() override;
  virtual void computeJacobian() override;
  virtual void computeOffDiagJacobian(unsigned int jvar) override;
  virtual void computeOffDiagJacobianScalar(unsigned int jvar) override;
 
protected:
  virtual ADReal computeQpResidual() = 0;
  virtual Real computeQpJacobian() { mooseError("Should not be called for AD scalar kernels"); };
 
  const ADVariableValue & _u;
 
  std::vector<ADReal> _residuals;
 
private:
  void computeADJacobian();
 
  bool _jacobian_already_computed;
};