DiscreteVariableResidualNorm.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 "ElementPostprocessor.h"
 
class DiscreteVariableResidualNorm : public ElementPostprocessor
{
public:
  static InputParameters validParams();
 
  enum class NormType
  {
    l_1 = 0,
    l_2 = 1,
    l_inf = 2
  };
 
  DiscreteVariableResidualNorm(const InputParameters & parameters);
 
  virtual void initialize() override;
  virtual void execute() override;
  virtual void threadJoin(const UserObject & y) override;
  virtual void finalize() override;
 
  virtual PostprocessorValue getValue() const override;
 
protected:
  MooseVariableFieldBase & _var;
  const NormType _norm_type;
  const bool _correct_mesh_bias;
  const bool _include_scaling_factor;
  NumericVector<Number> & _nl_residual_vector;
  std::set<dof_id_type> _local_dof_indices;
  std::map<processor_id_type, std::vector<dof_id_type>> _nonlocal_dof_indices_map;
  Real _norm;
};