// Copyright 2023, UChicago Argonne, LLC
// All Rights Reserved
// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
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#include "neml2/models/solid_mechanics/crystal_plasticity/LinearSingleSlipHardeningRule.h"

namespace neml2
{
register_NEML2_object(LinearSingleSlipHardeningRule);

OptionSet
LinearSingleSlipHardeningRule::expected_options()
{
  OptionSet options = SingleSlipHardeningRule::expected_options();
  options.set<CrossRef<Scalar>>("hardening_slope");
  return options;
}

LinearSingleSlipHardeningRule::LinearSingleSlipHardeningRule(const OptionSet & options)
  : SingleSlipHardeningRule(options),
    _theta(declare_parameter<Scalar>("hardening_slope", "hardening_slope"))
{
}

void
LinearSingleSlipHardeningRule::set_value(bool out, bool dout_din, bool d2out_din2)
{
  neml_assert_dbg(!d2out_din2, "Second derivative not implemented.");

  if (out)
    _tau_dot = _theta * _gamma_dot_sum;

  if (dout_din)
    _tau_dot.d(_gamma_dot_sum) = _theta;
}
} // namespace neml2
