/usr/include/openturns/NumericalMathHessianImplementation.hxx is in libopenturns-dev 1.2-2.
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 NumericalMathHessianImplementation.hxx
* @brief Abstract top-level class for all numerical math hessian implementations
*
* Copyright (C) 2005-2013 EDF-EADS-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 schueller
* @date 2012-02-17 19:35:43 +0100 (Fri, 17 Feb 2012)
*/
#ifndef OPENTURNS_NUMERICALMATHHESSIANIMPLEMENTATION_HXX
#define OPENTURNS_NUMERICALMATHHESSIANIMPLEMENTATION_HXX
#include "PersistentObject.hxx"
#include "NumericalPoint.hxx"
#include "Description.hxx"
#include "Indices.hxx"
#include "SymmetricTensor.hxx"
#include "Pointer.hxx"
#include "StorageManager.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class NumericalMathHessianImplementation
*
* This class offers an abstract interface for the implementation
* of an real numerical mathematical hessian into the platform.
*/
class NumericalMathHessianImplementation
: public PersistentObject
{
CLASSNAME;
public:
typedef Pointer<NumericalMathHessianImplementation> Implementation;
/** Default constructor */
NumericalMathHessianImplementation();
/** Virtual constructor */
virtual NumericalMathHessianImplementation * clone() const;
/** Comparison operator */
Bool operator ==(const NumericalMathHessianImplementation & other) const;
/** String converter */
virtual String __repr__() const;
virtual String __str__(const String & offset = "") const;
/** Description Accessor */
void setDescription(const Description & description);
Description getDescription() const;
/** Test for actual implementation */
virtual Bool isActualImplementation() const;
/** Get the i-th marginal evaluation */
virtual Implementation getMarginal(const UnsignedLong i) const;
/** Get the evaluation corresponding to indices components */
virtual Implementation getMarginal(const Indices & indices) const;
/* Here is the interface that all derived class must implement */
/** Hessian method */
virtual SymmetricTensor hessian(const NumericalPoint & inP) const;
/** Accessor for input point dimension */
virtual UnsignedLong getInputDimension() const;
/** Accessor for output point dimension */
virtual UnsignedLong getOutputDimension() const;
/** Get the number of calls to operator() */
UnsignedLong getCallsNumber() 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:
/** Number of calls since the construction */
mutable UnsignedLong callsNumber_;
private:
/** The description of all components */
Description description_;
}; /* class NumericalMathHessianImplementation */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_NUMERICALMATHHESSIANIMPLEMENTATION_HXX */
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