/usr/include/openturns/OrthogonalUniVariatePolynomialFamily.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 | // -*- C++ -*-
/**
* @brief This is the interface class for orthogonal polynomial factories
*
* 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_ORTHOGONALUNIVARIATEPOLYNOMIALFAMILY_HXX
#define OPENTURNS_ORTHOGONALUNIVARIATEPOLYNOMIALFAMILY_HXX
#include "openturns/TypedInterfaceObject.hxx"
#include "openturns/OrthogonalUniVariatePolynomialFactory.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class OrthogonalUniVariatePolynomialFamily
*
* This is the interface class for orthogonal polynomial factories
*/
class OT_API 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 UnsignedInteger degree) const;
/** Roots of the polynomial of degree n as the eigenvalues of the associated matrix */
Point getRoots(const UnsignedInteger n) const;
/** Nodes and weights of the polynomial of degree n as the eigenvalues of the associated matrix, to build quadrature rules */
Point getNodesAndWeights(const UnsignedInteger n,
Point & 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 UnsignedInteger n) const;
protected:
private:
} ; /* class OrthogonalUniVariatePolynomialFamily */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_ORTHOGONALUNIVARIATEPOLYNOMIALFAMILY_HXX */
|