/usr/include/openturns/CovarianceHMatrix.hxx is in libopenturns-dev 1.5-7build2.
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 CovarianceHMatrix.hxx
* @brief This class builds a covariance model as an H-Matrix
*
* Copyright 2005-2015 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/>.
*
* @author schueller
* @date 2012-04-18 17:56:46 +0200 (Wed, 18 Apr 2012)
*/
#ifndef OPENTURNS_COVARIANCEHMATRIX_HXX
#define OPENTURNS_COVARIANCEHMATRIX_HXX
#include "Object.hxx"
#include "CovarianceModel.hxx"
#include "Mesh.hxx"
#include "NumericalPoint.hxx"
#include "Pointer.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class CovarianceHMatrix
*/
class OT_API CovarianceHMatrix
: public Object
{
CLASSNAME;
public:
/** Default constructor without parameters */
CovarianceHMatrix();
/* Parameters constructor */
CovarianceHMatrix(const CovarianceModel & covarianceModel, const Mesh & mesh, NumericalScalar epsilon = 0.0);
/** Dimension accessor */
UnsignedInteger getDimension() const;
/** String converter */
String __repr__() const;
/** String converter */
String __str__(const String & offset = "") const;
/** Return L*x */
NumericalPoint gemvLower(const NumericalPoint & x);
private:
void assembleAndComputeCholesky(const CovarianceModel & covarianceModel, const Mesh & mesh, NumericalScalar epsilon);
UnsignedInteger dimension_;
Bool isInitialized_;
// Forward declaration
struct MatImpl;
Pointer<MatImpl> hmat_;
} ; /* class CovarianceHMatrix */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_COVARIANCEHMATRIX_HXX */
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