/usr/include/openturns/SquareMatrix.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.
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/**
* @brief SquareMatrix implements the classical mathematical square matrix
*
* 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_SQUAREMATRIX_HXX
#define OPENTURNS_SQUAREMATRIX_HXX
#include "openturns/OTprivate.hxx"
#include "openturns/Matrix.hxx"
BEGIN_NAMESPACE_OPENTURNS
class IdentityMatrix;
class SymmetricMatrix;
class SquareComplexMatrix;
/**
* @class SquareMatrix
*
* SquareMatrix implements the classical mathematical square matrix
*/
class OT_API SquareMatrix :
public Matrix
{
CLASSNAME;
#ifndef SWIG
friend SquareMatrix operator * (const Scalar s,
const SquareMatrix & m);
#endif
public:
/** Default constructor */
SquareMatrix();
/** Constructor with implementation */
SquareMatrix(const Implementation & i);
/** Constructor with implementation */
SquareMatrix(const MatrixImplementation & i);
/** Constructor with size (dim, which is the same for nbRows_ and nbColumns_) */
explicit SquareMatrix(const UnsignedInteger dim);
#if 0
/** Constructor from range of external collection */
template <class InputIterator>
SquareMatrix(const UnsignedInteger 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 */
SquareMatrix(const UnsignedInteger dim,
const ScalarCollection & elementsValues);
/** Constructor from symmetric matrix */
SquareMatrix(const SymmetricMatrix & symmetric);
/** String converter */
String __repr__() const;
/** Get the dimension of the matrix */
UnsignedInteger getDimension() const;
/** SquareMatrix transpose */
SquareMatrix transpose () const;
/** SquareMatrix additions (must have the same dimensions) */
SquareMatrix operator + (const SquareMatrix & m) const;
SquareMatrix operator + (const SymmetricMatrix & m) const;
/** SquareMatrix substractions (must have the same dimensions) */
SquareMatrix operator - (const SquareMatrix & m) const;
SquareMatrix operator - (const SymmetricMatrix & m) const;
/** SquareMatrix multiplications (must have consistent dimensions) */
#ifdef _MSC_VER // VS2010 does not like 'using' being called after overloads
using Matrix::operator *;
#endif
SquareMatrix operator * (const SquareMatrix & m) const;
SquareMatrix operator * (const SymmetricMatrix & m) const;
SquareMatrix operator * (const IdentityMatrix & m) const;
/** SquareMatrix integer power */
SquareMatrix power(const UnsignedInteger n) const;
/** Multiplication with a Point (must have consistent dimensions) */
Point operator * (const Point & p) const;
/** Multiplication with a Scalar */
SquareMatrix operator * (const Scalar s) const;
// We import the definitions from the upper class (for Matrix multiplication)
#ifndef _MSC_VER // VS2010 does not like 'using' being called after overloads
using Matrix::operator *;
#endif
/** Division by a Scalar*/
SquareMatrix operator / (const Scalar s) const;
/** Resolution of a linear system */
Point solveLinearSystem(const Point & b,
const Bool keepIntact = true);
Matrix solveLinearSystem(const Matrix & b,
const Bool keepIntact = true);
/** Compute determinant */
Scalar computeLogAbsoluteDeterminant(Scalar & sign,
const Bool keepIntact = true);
Scalar computeDeterminant(const Bool keepIntact = true);
/** Compute trace */
Scalar computeTrace() const;
/** Compute eigenvalues */
ComplexCollection computeEigenValues(const Bool keepIntact = true);
ComplexCollection computeEV(SquareComplexMatrix & v,
const Bool keepIntact = true);
/** Check if it is diagonal */
Bool isDiagonal() const;
protected:
private:
}; /* class SquareMatrix */
inline SquareMatrix operator * (const Scalar s,
const SquareMatrix & m)
{
return m.operator * (s);
}
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_MATRIX_HXX */
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