/usr/include/openturns/RandomWalk.hxx is in libopenturns-dev 1.5-7build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* @file RandomWalk.hxx
* @brief A class which implements the RandomWalk process
*
* Copyright 2005-2015 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/>.
*
* @author lebrun
* @date 2011-10-19 22:47:28 +0200 (mer. 19 oct. 2011)
*/
#ifndef OPENTURNS_RANDOMWALK_HXX
#define OPENTURNS_RANDOMWALK_HXX
#include "ProcessImplementation.hxx"
#include "Process.hxx"
#include "Pointer.hxx"
#include "Distribution.hxx"
#include "NumericalPoint.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class RandomWalk
*
* An interface class for composite White Noise
*/
class OT_API RandomWalk
: public ProcessImplementation
{
CLASSNAME;
public:
/** Default constructor */
RandomWalk();
/** Standard constructor */
RandomWalk(const NumericalPoint & origin,
const Distribution & distribution);
/** Standard constructor */
RandomWalk(const NumericalPoint & origin,
const Distribution & distribution,
const RegularGrid & timeGrid);
/** Virtual constructor */
virtual RandomWalk * clone() const;
/** String converter */
String __repr__() const;
/** Is the underlying stationary ? */
Bool isStationary() const;
/** Is the underlying a Normal process ? */
Bool isNormal() const;
/** Realization accessor */
Field getRealization() const;
/** Continuation of the last realization on a given number of steps */
using ProcessImplementation::getFuture;
TimeSeries getFuture(const UnsignedInteger stepNumber) const;
/** Get the process corresponding to the i-th marginal component */
Implementation getMarginal(const UnsignedInteger i) const;
/** Get the marginal process corresponding to indices components */
Implementation getMarginal(const Indices & indices) const;
/** Distribution accessor */
Distribution getDistribution() const;
/** Distribution accessor */
void setDistribution(const Distribution & distribution);
/** Origin accessor */
NumericalPoint getOrigin() const;
/** Origin accessor */
void setOrigin(const NumericalPoint & origin);
/** 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);
private:
/** The origin of the walk */
NumericalPoint origin_;
/** The distribution of the walk steps */
Distribution distribution_;
/** The current position of the walk */
mutable NumericalPoint currentPosition_;
}; /* class RandomWalk */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_RANDOMWALK_HXX */
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