/usr/include/openturns/ComputedNumericalMathGradientImplementation.hxx is in libopenturns-dev 1.2-2.
This file is owned by root:root, with mode 0o644.
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/**
* @file ComputedNumericalMathGradientImplementation.hxx
* @brief Abstract top-level class for all ComputedNumerical math functions
*
* 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_COMPUTEDNUMERICALMATHGRADIENTIMPLEMENTATION_HXX
#define OPENTURNS_COMPUTEDNUMERICALMATHGRADIENTIMPLEMENTATION_HXX
#include "NumericalMathGradientImplementation.hxx"
#include "Pointer.hxx"
#include "NumericalPoint.hxx"
#include "Matrix.hxx"
#include "WrapperFile.hxx"
BEGIN_NAMESPACE_OPENTURNS
/* Forward declaration */
class WrapperObject;
/**
* @class ComputedNumericalMathGradientImplementation
*
* This class acts like an real numerical mathematical gradient
* into the platform. It realizes the computation of the image vector
* of a vector (aka NumericalPoint) through the function. The
* function may be loaded in an external way through a wrapper.
*/
class ComputedNumericalMathGradientImplementation
: public NumericalMathGradientImplementation
{
CLASSNAME;
public:
/* Some typedefs to ease reading */
typedef Pointer<WrapperObject> InternalGradient;
/** Default constructor */
ComputedNumericalMathGradientImplementation(const String & name, const WrapperFile & file, void * p_state = 0);
/** Copy constructor */
ComputedNumericalMathGradientImplementation(const ComputedNumericalMathGradientImplementation & other);
/** Virtual constructor */
virtual ComputedNumericalMathGradientImplementation * clone() const;
/** Destructor */
virtual ~ComputedNumericalMathGradientImplementation();
/** Comparison operator */
Bool operator ==(const ComputedNumericalMathGradientImplementation & other) const;
/** String converter */
String __repr__() const;
virtual String __str__(const String & offset = "") const;
/* Here is the interface that all derived class must implement */
/** Gradient method */
virtual Matrix gradient(const NumericalPoint & inP) const;
/** Accessor for input point dimension */
virtual UnsignedLong getInputDimension() const;
/** Accessor for output point dimension */
virtual UnsignedLong getOutputDimension() 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:
/** The function object that is linked to the external code */
InternalGradient p_gradient_;
/** State management */
void * getState() const;
private:
ComputedNumericalMathGradientImplementation() {};
friend class Factory<ComputedNumericalMathGradientImplementation>;
/** A pointer to an internal structure that saves the state of the function into the wrapper */
void * p_state_;
/** A flag that is true when the gradient shares its internal state with its related function */
Bool commonState_;
}; /* class ComputedNumericalMathGradientImplementation */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_COMPUTEDNUMERICALMATHGRADIENTIMPLEMENTATION_HXX */
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