/usr/include/openturns/RootStrategyImplementation.hxx is in libopenturns-dev 1.7-3.
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
*
* 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/>.
*
*/
#ifndef OPENTURNS_ROOTSTRATEGYIMPLEMENTATION_HXX
#define OPENTURNS_ROOTSTRATEGYIMPLEMENTATION_HXX
#include "PersistentObject.hxx"
#include "Solver.hxx"
#include "Collection.hxx"
#include "PersistentObject.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class RootStrategyImplementation
*/
class OT_API RootStrategyImplementation
: public PersistentObject
{
CLASSNAME;
public:
typedef Collection<NumericalScalar> NumericalScalarCollection;
/** Default constructor with Brent solver */
RootStrategyImplementation();
/** Constructor with parameters */
explicit RootStrategyImplementation(const Solver & solver);
/** Constructor with parameters */
RootStrategyImplementation(const Solver & solver,
const NumericalScalar maximumDistance,
const NumericalScalar stepSize);
/** Virtual constructor */
virtual RootStrategyImplementation * clone() const;
/** Solve gives all the roots found applying the root strategy */
virtual NumericalScalarCollection solve(const NumericalMathFunction & function,
const NumericalScalar value);
/** Solver accessor */
void setSolver(const Solver & solver);
Solver getSolver() const;
/** Maximum distance accessor */
void setMaximumDistance(const NumericalScalar maximumDistance);
NumericalScalar getMaximumDistance() const;
/** Step size accessor */
void setStepSize(const NumericalScalar stepSize);
NumericalScalar getStepSize() const;
/** Value of the performance function at the origin accessor */
void setOriginValue(const NumericalScalar originValue);
NumericalScalar getOriginValue() const;
/** String converter */
virtual String __repr__() 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:
private:
/** Univariate root solver for the localization of zeros along a ray */
Solver solver_;
/** Distance beyond which the density is negligible */
NumericalScalar maximumDistance_;
/** Size of the intervals in which we look for zeros */
NumericalScalar stepSize_;
/** Flag to avoid repeated evaluations of the model at the origin */
mutable Bool isAlreadyComputedOriginValue_;
/** Value of the model at the origin */
NumericalScalar originValue_;
} ; /* class RootStrategyImplementation */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_ROOTSTRATEGYIMPLEMENTATION_HXX */
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