LibtorchDRLControl.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

#ifdef LIBTORCH_ENABLED

#pragma once

#include "LibtorchArtificialNeuralNet.h"
#include "LibtorchNeuralNetControl.h"

class LibtorchDRLControl : public LibtorchNeuralNetControl
{
public:
  static InputParameters validParams();

  LibtorchDRLControl(const InputParameters & parameters);

  virtual void execute() override;

  Real getSignalLogProbability(const unsigned int signal_index) const;

protected:
  torch::Tensor computeLogProbability(const torch::Tensor & action,
                                      const torch::Tensor & output_tensor);

  std::vector<Real> _current_control_signal_log_probabilities;

  const std::vector<Real> _action_std;

  torch::Tensor _std;
};

#endif