/usr/include/openturns/SymbolicGradient.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | // -*- C++ -*-
/**
* @brief The class that implements the gradient of an analytical function.
*
* Copyright 2005-2017 Airbus-EDF-IMACS-Phimeca
*
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*
*
*/
#ifndef OPENTURNS_SYMBOLICGRADIENT_HXX
#define OPENTURNS_SYMBOLICGRADIENT_HXX
#include "openturns/GradientImplementation.hxx"
#include "openturns/SymbolicEvaluation.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class SymbolicGradient
*
* The class that implement the gradient of an analytical function.
*/
class OT_API SymbolicGradient
: public GradientImplementation
{
CLASSNAME;
public:
/** Default constructor */
SymbolicGradient();
/** Default constructor */
SymbolicGradient(const SymbolicEvaluation & evaluation);
/** Virtual constructor */
virtual SymbolicGradient * clone() const;
/** Comparison operator */
Bool operator ==(const SymbolicGradient & other) const;
/** String converter */
virtual String __repr__() const;
virtual String __str__(const String & offset = "") const;
/** Operator () */
using GradientImplementation::gradient;
Matrix gradient(const Point & inP) const;
/** Accessor for input point dimension */
UnsignedInteger getInputDimension() const;
/** Accessor for output point dimension */
UnsignedInteger getOutputDimension() const;
/** Accessor to a specific formula */
String getFormula(const UnsignedInteger i,
const UnsignedInteger j) const;
/** Get the i-th marginal function */
Implementation getMarginal(const UnsignedInteger i) const;
/** Get the function corresponding to indices components */
Implementation getMarginal(const Indices & indices) 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:
/* Must initialize the parser at the first call to operator() as the
reference associated with the variables may have change after the construction */
void initialize() const;
mutable Bool isInitialized_;
mutable Bool isAnalytical_;
SymbolicEvaluation evaluation_;
/** A mathematical expression parser from the muParser library */
mutable SymbolicParser parser_;
}; /* class SymbolicGradient */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_SYMBOLICGRADIENT_HXX */
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