NewtonWithLineSearch.h

// Copyright 2024, UChicago Argonne, LLC
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// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
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#pragma once
 
#include "neml2/solvers/Newton.h"
 
namespace neml2
{
class NewtonWithLineSearch : public Newton
{
public:
  static OptionSet expected_options();
 
  NewtonWithLineSearch(const OptionSet & options);
 
protected:
  virtual void update(NonlinearSystem & system, Tensor & x) override;
 
  virtual void linesearch(NonlinearSystem & system, const Tensor & x, const Tensor & dx);
 
  unsigned int _linesearch_miter;
 
  Real _linesearch_sigma;
 
  Real _linesearch_c;
 
  Scalar _alpha;
};
} // namespace neml2