nl_keigen.h

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#ifndef CHITECH_NL_KEIGEN_H
#define CHITECH_NL_KEIGEN_H
 
#include "physics/SolverBase/chi_solver.h"
#include "LinearBoltzmannSolvers/A_LBSSolver/lbs_solver.h"
#include "A_LBSSolver/IterativeMethods/nl_keigen_ags_solver.h"
 
#include <petscsnes.h>
 
namespace lbs
{
 
class XXNonLinearKEigen : public chi_physics::Solver
{
protected:
  LBSSolver& lbs_solver_;
  std::shared_ptr<NLKEigenAGSContext<Vec,SNES>> nl_context_;
  NLKEigenvalueAGSSolver<Mat,Vec,SNES> nl_solver_;
 
  bool reinit_phi_1_;
  int num_free_power_its_;
 
public:
  static chi::InputParameters GetInputParameters();
  explicit XXNonLinearKEigen(const chi::InputParameters& params);
 
  void Initialize() override;
  void Execute() override;
};
 
}
 
#endif // CHITECH_NL_KEIGEN_H