CoefficientOfVariation.C

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//* This file is part of the MOOSE framework
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//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
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//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#include "CoefficientOfVariation.h"
#include <cmath>

registerMooseObject("StochasticToolsApp", CoefficientOfVariation);

InputParameters
CoefficientOfVariation::validParams()
{
  InputParameters params = ParallelAcquisitionFunctionBase::validParams();
  params.addClassDescription("Coefficient of variation acquisition function.");
  return params;
}

CoefficientOfVariation::CoefficientOfVariation(const InputParameters & parameters)
  : ParallelAcquisitionFunctionBase(parameters)
{
}

void
CoefficientOfVariation::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
{
  for (unsigned int i = 0; i < gp_mean.size(); ++i)
    acq[i] = gp_std[i] / gp_mean[i];
}