/usr/include/openturns/SymmetricMatrix.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 SymmetricMatrix.hxx
* @brief SymmetricMatrix implements the classical mathematical symmetric matrix
*
* (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: schueller $
* @date: $LastChangedDate: 2011-06-30 10:19:34 +0200 (Thu, 30 Jun 2011) $
* Id: $Id: SymmetricMatrix.hxx 1972 2011-06-30 08:19:34Z schueller $
*/
#ifndef OPENTURNS_SYMMETRICMATRIX_HXX
#define OPENTURNS_SYMMETRICMATRIX_HXX
#include "OTprivate.hxx"
#include "SquareMatrix.hxx"
namespace OpenTURNS
{
namespace Base
{
namespace Type
{
class IdentityMatrix;
/**
* @class SymmetricMatrix
*
* SymmetricMatrix implements the classical mathematical square matrix
*/
class SymmetricMatrix :
public SquareMatrix
{
CLASSNAME;
#ifndef SWIG
friend SymmetricMatrix operator * (const NumericalScalar & s,
const SymmetricMatrix & m);
#endif
public:
/** Default constructor */
SymmetricMatrix();
/** Constructor with size (dim, which is the same for nbRows_ and nbColumns_) */
SymmetricMatrix(const UnsignedLong dim);
#if 0
/** Constructor from range of external collection */
template <class InputIterator>
SymmetricMatrix(const UnsignedLong dim,
InputIterator first,
InputIterator last);
#endif
/** Constructor from external collection */
/** If the dimensions of the matrix and of the collection */
/** do not correspond, either the collection is truncated */
/** or the rest of the matrix is filled with zeros */
SymmetricMatrix(const UnsignedLong dim,
const Collection<NumericalScalar> & elementsValues);
/** Check if the internal representation is really symmetric */
void checkSymmetry() const;
/** String converter */
String __repr__() const;
String __str__(const String & offset = "") const;
#ifndef SWIG
/** Operator () gives access to the elements of the matrix (to modify these elements) */
/** The element of the matrix is designated by its row number i and its column number j */
NumericalScalar & operator () (const UnsignedLong i,
const UnsignedLong j) /* throw(InvalidDimensionException) */;
/** Operator () gives access to the elements of the matrix (read only) */
/** The element of the matrix is designated by its row number i and its column number j */
const NumericalScalar & operator () (const UnsignedLong i,
const UnsignedLong j) const /* throw(InvalidDimensionException) */;
#endif
/** SymmetricMatrix transpose */
SymmetricMatrix transpose () const ;
/** SymmetricMatrix addition (must have the same dimensions) */
Matrix operator + (const Matrix & m) const /* throw(InvalidDimensionException) */;
SquareMatrix operator + (const SquareMatrix & m) const /* throw(InvalidDimensionException) */;
SymmetricMatrix operator + (const SymmetricMatrix & m) const /* throw(InvalidDimensionException) */;
/** SymmetricMatrix substraction (must have the same dimensions) */
Matrix operator - (const Matrix & m) const /* throw(InvalidDimensionException) */;
SquareMatrix operator - (const SquareMatrix & m) const /* throw(InvalidDimensionException) */;
SymmetricMatrix operator - (const SymmetricMatrix & m) const /* throw(InvalidDimensionException) */;
/** SymmetricMatrix multiplications (must have consistent dimensions) */
Matrix operator * (const Matrix & m) const /* throw(InvalidDimensionException) */;
SquareMatrix operator * (const SquareMatrix & m) const /* throw(InvalidDimensionException) */;
SymmetricMatrix operator * (const SymmetricMatrix & m) const /* throw(InvalidDimensionException) */;
SymmetricMatrix operator * (const IdentityMatrix & m) const /* throw(InvalidDimensionException) */;
/** SymmetricMatrix integer power */
SymmetricMatrix power(const UnsignedLong n) const;
/** Multiplication with a NumericalPoint (must have consistent dimensions) */
NumericalPoint operator * (const NumericalPoint & p) const /* throw(InvalidDimensionException) */;
/** Multiplication with a NumericalScalar */
SymmetricMatrix operator * (const NumericalScalar & s) const ;
/** Division by a NumericalScalar*/
SymmetricMatrix operator / (const NumericalScalar & s) const /* throw(InvalidArgumentException) */;
/** Resolution of a linear system */
NumericalPoint solveLinearSystem(const NumericalPoint & b,
const Bool keepIntact = true);
Matrix solveLinearSystem(const Matrix & b,
const Bool keepIntact = true);
/** Compute determinant */
NumericalScalar computeDeterminant(const Bool keepIntact = true);
/** Compute eigenvalues */
NumericalPoint computeEigenValues(const Bool keepIntact = true);
/** Constructor with implementation */
SymmetricMatrix(const Implementation & i);
protected:
private:
/** Check if one needs to symmetrized the internal representation of the tensor */
mutable Bool hasBeenSymmetrized_;
}
; /* class SymmetricMatrix */
inline SymmetricMatrix operator * (const NumericalScalar & s,
const SymmetricMatrix & m)
{
return m.operator*(s);
}
} /* namespace Common */
} /* namespace Base */
} /* namespace OpenTURNS */
#endif /* OPENTURNS_MATRIX_HXX */
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