ParallelAcquisitionFunctionBase.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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 "StochasticToolsApp.h"
#include "MooseObject.h"
#include "libmesh/utility.h"

class ParallelAcquisitionFunctionBase : public MooseObject
{
public:
  static InputParameters validParams();
  ParallelAcquisitionFunctionBase(const InputParameters & parameters);

  void computeAcquisition(std::vector<Real> & acq,
                          const std::vector<Real> & gp_mean,
                          const std::vector<Real> & gp_std,
                          const std::vector<std::vector<Real>> & test_inputs,
                          const std::vector<std::vector<Real>> & train_inputs,
                          const std::vector<Real> & generic) const;

  void penalizeAcquisition(std::vector<Real> & modified_acq,
                           std::vector<unsigned int> & sorted_indices,
                           const std::vector<Real> & acq,
                           const std::vector<Real> & length_scales,
                           const std::vector<std::vector<Real>> & inputs);

  void computeCorrelation(Real & corr,
                          const std::vector<Real> & input1,
                          const std::vector<Real> & input2,
                          const std::vector<Real> & length_scales);

protected:
  virtual void computeAcquisitionInternal(std::vector<Real> & acq,
                                          const std::vector<Real> & gp_mean,
                                          const std::vector<Real> & gp_std,
                                          const std::vector<std::vector<Real>> & test_inputs,
                                          const std::vector<std::vector<Real>> & train_inputs,
                                          const std::vector<Real> & generic) const = 0;
};