/usr/include/openturns/SymmetricTensor.hxx is in libopenturns-dev 1.7-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* @brief SymmetricTensor implements the classical mathematical symmetric tensor
*
* 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/>.
*
*/
#ifndef OPENTURNS_SYMMETRICTENSOR_HXX
#define OPENTURNS_SYMMETRICTENSOR_HXX
#include "Tensor.hxx"
#include "SymmetricMatrix.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class SymmetricTensor
*
* SymmetricTensor implements the classical mathematical symmetric tensor
*/
class OT_API SymmetricTensor :
public Tensor
{
CLASSNAME;
public:
typedef Collection<NumericalScalar> NumericalScalarCollection;
/** Default constructor */
SymmetricTensor();
/** Constructor with size (squareDim, sheetDim) */
SymmetricTensor(const UnsignedInteger squareDim,
const UnsignedInteger sheetDim);
/** Constructor from a range of external collection */
template <class InputIterator>
SymmetricTensor(const UnsignedInteger squareDim,
const UnsignedInteger sheetDim,
InputIterator first,
InputIterator last);
/** Constructor from external collection */
SymmetricTensor(const UnsignedInteger squareDim,
const UnsignedInteger sheetDim,
const NumericalScalarCollection & elementsValues);
/** Constructor with implementation */
SymmetricTensor(const Implementation & i);
/** String converter */
virtual String __repr__() const;
virtual String __str__(const String & offset = "") const;
/** Check if the internal representation is really symmetric */
void checkSymmetry() const;
#ifndef SWIG
/** Operator () gives access to the elements of the symmetric tensor (to modify these elements and their symmetric element) */
/** The element of the symmetric tensor is designated by its row number i, its column number j and its sheet number k*/
NumericalScalar & operator () (const UnsignedInteger i,
const UnsignedInteger j,
const UnsignedInteger k);
/** Operator () gives access to the elements of the tensor (read only) */
/** The element of the tensor is designated by its row number i and its column number j */
const NumericalScalar & operator () (const UnsignedInteger i,
const UnsignedInteger j,
const UnsignedInteger k) const;
#endif
/** getSheet returns the sheet specified by its sheet number k */
SymmetricMatrix getSheet(const UnsignedInteger k) const;
/** setSheet sets matrix m as the sheet specified by its sheet number k */
void setSheet(const UnsignedInteger k,
const SymmetricMatrix & m);
protected:
private:
/** Check if one needs to symmetrized the internal representation of the tensor */
mutable Bool hasBeenSymmetrized_;
}
; /* class SymmetricTensor */
/** Constructor from a range of external collection */
template <class InputIterator>
SymmetricTensor::SymmetricTensor(const UnsignedInteger squareDim,
const UnsignedInteger sheetDim,
InputIterator first,
InputIterator last)
: Tensor(squareDim, squareDim, sheetDim, first, last)
{
// Nothing to do
}
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_SYMMETRICTENSOR_HXX */
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