ScalarL2Error.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

// MOOSE includes
#include "GeneralPostprocessor.h"

// Forward Declarations
class Function;
class MooseVariableScalar;

class ScalarL2Error : public GeneralPostprocessor
{
public:
  static InputParameters validParams();

  ScalarL2Error(const InputParameters & parameters);

  virtual void initialize() override;
  virtual void execute() override;

  virtual Real getValue() const override;

protected:
  MooseVariableScalar & _var;
  const Function & _func;
};