/usr/include/openturns/RationalKernel.hxx is in libopenturns-dev 0.15-2.
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 RationalKernel.hxx
* @brief Implementation of the rational kernel
*
* (C) Copyright 2005-2011 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 2.1 of the License.
*
* 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
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @author: $LastChangedBy: dutka $
* @date: $LastChangedDate: 2008-05-21 17:44:02 +0200 (Wed, 21 May 2008) $
* Id: $Id: RationalKernel.hxx 818 2008-05-21 15:44:02Z dutka $
*/
#ifndef OPENTURNS_RATIONALKERNEL_HXX
#define OPENTURNS_RATIONALKERNEL_HXX
#include "SVMKernelImplementation.hxx"
namespace OpenTURNS
{
namespace Uncertainty
{
namespace Algorithm
{
/**
* @class RationalKernel
*
* Implementation of the rational kernel
*/
class RationalKernel
: public SVMKernelImplementation
{
CLASSNAME;
public:
typedef SVMKernelImplementation::NumericalPoint NumericalPoint;
typedef SVMKernelImplementation::SymmetricMatrix SymmetricMatrix;
/** Constructor with parameters */
RationalKernel(const NumericalScalar constant = 1.0);
/** Virtual constructor */
virtual RationalKernel * clone() const;
/** String converter */
virtual String __repr__() const;
/** Constant term accessor */
virtual NumericalScalar getConstant() const;
virtual void setConstant(NumericalScalar constant);
/** Accessor to the parameter used for cross-validation */
virtual NumericalScalar getParameter() const;
virtual void setParameter(NumericalScalar value);
/** Parameters value and description accessor */
virtual NumericalPointWithDescription getParameters() const;
virtual void setParameters(const NumericalPointWithDescription & parameters);
/** Operator () */
virtual NumericalScalar operator() (const NumericalPoint & x1, const NumericalPoint & x2) const;
/** Partial gradient */
virtual NumericalPoint partialGradient(const NumericalPoint & x1, const NumericalPoint & x2) const;
/** Partial hessian */
virtual SymmetricMatrix partialHessian(const NumericalPoint & x1, const NumericalPoint & x2) const;
protected:
NumericalScalar constant_;
private:
} ; /* class RationalKernel */
} /* namespace Algorithm */
} /* namespace Uncertainty */
} /* namespace OpenTURNS */
#endif /* OPENTURNS_RATIONALKERNEL_HXX */
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