/usr/include/openturns/LinearEnumerateFunction.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.
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/**
* @brief The bijective function to select polynomials in the orthogonal basis
*
* Copyright 2005-2017 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_LINEARENUMERATEFUNCTION_HXX
#define OPENTURNS_LINEARENUMERATEFUNCTION_HXX
#include "openturns/EnumerateFunctionImplementation.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class LinearEnumerateFunction
*
* The bijective function to select polynomials in the orthogonal basis
*/
class OT_API LinearEnumerateFunction
: public EnumerateFunctionImplementation
{
CLASSNAME;
public:
/** Default constructor */
LinearEnumerateFunction();
/** Parameter constructor */
explicit LinearEnumerateFunction(const UnsignedInteger dimension);
/** Virtual constrcutor */
virtual LinearEnumerateFunction * clone() const;
/** String converter */
virtual String __repr__() const;
/** The bijective association between an integer and a set of indices */
virtual Indices operator() (const UnsignedInteger index) const;
/** The inverse of the association */
virtual UnsignedInteger inverse(const Indices & indices) const;
/** The cardinal of the given strata */
virtual UnsignedInteger getStrataCardinal(const UnsignedInteger strataIndex) const;
/** The cardinal of the cumulated strata above or equal to the given strata */
virtual UnsignedInteger getStrataCumulatedCardinal(const UnsignedInteger strataIndex) const;
/** The index of the strata of degree max <= maximumDegree */
virtual UnsignedInteger getMaximumDegreeStrataIndex(const UnsignedInteger maximumDegree) const;
/** Method save() stores the object through the StorageManager */
virtual void save(Advocate & adv) const;
/** Method load() reloads the object from the StorageManager */
virtual void load(Advocate & adv);
protected:
private:
/** Find the smallest n such that Binomial(n, n + dimension) > index and also returns the value of Binomial(n, n + dimension) */
UnsignedInteger findBinomialCoefficient(const UnsignedInteger index, const UnsignedInteger dimension, UnsignedInteger & BinomialCoefficient) const;
} ; /* class LinearEnumerateFunction */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_LINEARENUMERATEFUNCTION_HXX */
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