/usr/include/openturns/IdentityMatrix.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | // -*- C++ -*-
/**
* @brief The class IdentityMatrix implements identity matrices
*
* 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_IDENTITYMATRIX_HXX
#define OPENTURNS_IDENTITYMATRIX_HXX
#include "openturns/OTprivate.hxx"
#include "openturns/CorrelationMatrix.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class IdentityMatrix
*/
class OT_API IdentityMatrix
: public CorrelationMatrix
{
CLASSNAME;
public:
/** Default constructor */
IdentityMatrix();
/** Constructor with size */
explicit IdentityMatrix(const UnsignedInteger dim);
/** String converter */
virtual String __repr__() const;
/** IdentityMatrix transpose */
IdentityMatrix transpose () const;
#ifndef SWIG
/** 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 Scalar & operator () (const UnsignedInteger i,
const UnsignedInteger j) const;
#endif
/** Multiplications */
#ifdef _MSC_VER // VS2010 does not like 'using' being called after overloads
using CorrelationMatrix::operator *;
#endif
Matrix operator * (const Matrix & m) const;
SquareMatrix operator * (const SquareMatrix & m) const;
SymmetricMatrix operator * (const SymmetricMatrix & m) const;
CovarianceMatrix operator * (const CovarianceMatrix & m) const;
CorrelationMatrix operator * (const CorrelationMatrix & m) const;
#ifndef _MSC_VER
using CorrelationMatrix::operator *;
#endif
/** 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 eigenvalues */
Point computeEigenValues(const Bool keepIntact = true);
Point computeEV(SquareMatrix & v,
const Bool keepIntact = true);
/** Check if the matrix is SPD */
virtual Bool isPositiveDefinite(const Bool keepIntact = true);
/** Build the Cholesky factorization of the matrix */
TriangularMatrix computeCholesky(const Bool keepIntact = true);
/** Compute singular values */
Point computeSingularValues(const Bool keepIntact = true);
Point computeSVD(Matrix & u,
Matrix & vT,
const Bool fullSVD = false,
const Bool keepIntact = true);
protected:
/** Constructor with implementation */
IdentityMatrix(const Implementation & i);
private:
/** 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 */
Scalar & operator () (const UnsignedInteger i,
const UnsignedInteger j);
}; /* class IdentityMatrix */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_COVARIANCEMATRIX_HXX */
|