/usr/include/openturns/GaussianProcess.hxx is in libopenturns-dev 1.9-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* @brief A class which implements the Gaussian process
*
* Copyright 2005-2017 Airbus-EDF-IMACS-Phimeca
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef OPENTURNS_GAUSSIANPROCESS_HXX
#define OPENTURNS_GAUSSIANPROCESS_HXX
#include "openturns/ProcessImplementation.hxx"
#include "openturns/SquareMatrix.hxx"
#include "openturns/SecondOrderModel.hxx"
#include "openturns/CovarianceModel.hxx"
#include "openturns/TrendTransform.hxx"
#include "openturns/HMatrix.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class GaussianProcess
*
* The implementation of the Normal process class
*/
class OT_API GaussianProcess
: public ProcessImplementation
{
CLASSNAME;
public:
/** Some typedefs to ease reading */
/** Default constructor */
GaussianProcess();
/** Standard constructor */
GaussianProcess(const TrendTransform & trend,
const SecondOrderModel & model,
const Mesh & mesh);
/** Standard constructor */
GaussianProcess(const TrendTransform & trend,
const CovarianceModel & covarianceModel,
const Mesh & mesh);
/** Standard constructor */
GaussianProcess(const SecondOrderModel & model,
const Mesh & mesh);
/** Standard constructor */
GaussianProcess(const CovarianceModel & covarianceModel,
const Mesh & mesh);
/** Virtual constructor */
virtual GaussianProcess * clone() const;
/** String converter */
String __repr__() const;
/** String converter - pretty print */
String __str__(const String & offset = "") const;
/** Mesh accessor */
void setMesh(const Mesh & mesh);
void setTimeGrid(const RegularGrid & timeGrid);
/** Set sampling method accessor */
void setSamplingMethod(const UnsignedInteger samplingMethod);
/** Realization accessor */
Field getRealization() const;
private:
Sample getRealizationCholesky() const;
Sample getRealizationGibbs() const;
Sample getRealizationHMatrix() const;
public:
/** Covariance model accessor */
CovarianceModel getCovarianceModel() const;
/** Trend accessor */
TrendTransform getTrend() const;
/** Check if the process is stationary */
Bool isStationary() const;
/** Check if the process trend is stationary */
Bool isTrendStationary() const;
/** Check if the process is Normal */
Bool isNormal() const;
/** Method save() stores the object through the StorageManager */
void save(Advocate & adv) const;
/** Method load() reloads the object from the StorageManager */
void load(Advocate & adv);
protected:
/** Initialization of the process */
void initialize() const;
/** Check if the trend function is stationary */
void checkStationaryTrend() const;
/** Covariance model */
CovarianceModel covarianceModel_;
/** Cholesky factor */
mutable TriangularMatrix covarianceCholeskyFactor_;
/** Cholesky factor */
mutable HMatrix covarianceHMatrix_;
/** Flag to manage process initialization */
mutable Bool isInitialized_;
/** Flag to tell if the process has a stationary trend */
mutable Bool hasStationaryTrend_;
mutable Bool checkedStationaryTrend_;
/** Trend function */
TrendTransform trend_;
mutable Point stationaryTrendValue_;
/** Sampling method */
UnsignedInteger samplingMethod_;
}; /* class GaussianProcess */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_NORMALPROCESS_HXX */
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