Eigenvalue.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 "libmesh/libmesh_config.h"

#include "Executioner.h"
#include "EigenProblemSolve.h"

class InputParameters;
class EigenProblem;

class Eigenvalue : public Executioner
{
public:
  static InputParameters validParams();

  Eigenvalue(const InputParameters & parameters);

  virtual void execute() override;

  virtual bool lastSolveConverged() const override { return _last_solve_converged; }

#ifdef LIBMESH_HAVE_SLEPC
  virtual void init() override;

  virtual void checkIntegrity();

  unsigned int numGridSteps() const { return _eigen_problem_solve.numGridSteps(); }
#endif

protected:
  EigenProblem & _eigen_problem;

  EigenProblemSolve _eigen_problem_solve;

  Real _system_time;
  int & _time_step;
  Real & _time;

  PerfID _final_timer;

private:
  bool _last_solve_converged = true;
};