/usr/include/openturns/OrthogonalUniVariatePolynomialFamily.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 OrthogonalUniVariatePolynomialFamily.hxx
* @brief This is the interface class for orthogonal polynomial factories
*
* 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 dutka
* @date 2008-05-21 17:44:02 +0200 (Wed, 21 May 2008)
*/
#ifndef OPENTURNS_ORTHOGONALUNIVARIATEPOLYNOMIALFAMILY_HXX
#define OPENTURNS_ORTHOGONALUNIVARIATEPOLYNOMIALFAMILY_HXX
#include "TypedInterfaceObject.hxx"
#include "OrthogonalUniVariatePolynomialFactory.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class OrthogonalUniVariatePolynomialFamily
*
* This is the interface class for orthogonal polynomial factories
*/
class OrthogonalUniVariatePolynomialFamily
: public TypedInterfaceObject<OrthogonalUniVariatePolynomialFactory>
{
CLASSNAME;
public:
typedef OrthogonalUniVariatePolynomialFactory::Coefficients Coefficients;
/** Default constructor */
OrthogonalUniVariatePolynomialFamily();
/** Constructor from implementation */
OrthogonalUniVariatePolynomialFamily(const OrthogonalUniVariatePolynomialFactory & implementation);
/** String converter */
virtual String __repr__() const;
/** The method to get the polynomial of any degree. */
OrthogonalUniVariatePolynomial build(const UnsignedLong degree) const;
/** Roots of the polynomial of degree n as the eigenvalues of the associated matrix */
NumericalPoint getRoots(const UnsignedLong n) const;
/** Nodes and weights of the polynomial of degree n as the eigenvalues of the associated matrix, to build quadrature rules */
NumericalPoint getNodesAndWeights(const UnsignedLong n,
NumericalPoint & weights) const;
/** Measure accessor */
Distribution getMeasure() const;
/** Calculate the coefficients of recurrence a0, a1, a2 such that
Pn+1(x) = (a0 * x + a1) * Pn(x) + a2 * Pn-1(x) */
Coefficients getRecurrenceCoefficients(const UnsignedLong n) const;
protected:
private:
} ; /* class OrthogonalUniVariatePolynomialFamily */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_ORTHOGONALUNIVARIATEPOLYNOMIALFAMILY_HXX */
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