/usr/include/openturns/LinearEnumerateFunction.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 LinearEnumerateFunction.hxx
* @brief The bijective function to select polynomials in the orthogonal basis
*
* 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 2008-05-21 17:44:02 +0200 (Wed, 21 May 2008)
*/
#ifndef OPENTURNS_LINEARENUMERATEFUNCTION_HXX
#define OPENTURNS_LINEARENUMERATEFUNCTION_HXX
#include "EnumerateFunctionImplementation.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class LinearEnumerateFunction
*
* The bijective function to select polynomials in the orthogonal basis
*/
class LinearEnumerateFunction
: public EnumerateFunctionImplementation
{
CLASSNAME;
public:
/** Default constructor */
LinearEnumerateFunction();
/** Parameter constructor */
LinearEnumerateFunction(const UnsignedLong 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 UnsignedLong index) const;
/** The inverse of the association */
virtual UnsignedLong inverse(const Indices & indices) const;
/** The cardinal of the given strata */
virtual UnsignedLong getStrataCardinal(const UnsignedLong strataIndex) const;
/** The cardinal of the cumulated strata above or equal to the given strata */
virtual UnsignedLong getStrataCumulatedCardinal(const UnsignedLong strataIndex) const;
/** The index of the strata of degree max <= maximumDegree */
virtual UnsignedLong getMaximumDegreeStrataIndex(const UnsignedLong 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) */
UnsignedLong findBinomialCoefficient(const UnsignedLong index, const UnsignedLong dimension, UnsignedLong & BinomialCoefficient) const;
} ; /* class LinearEnumerateFunction */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_LINEARENUMERATEFUNCTION_HXX */
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