/usr/include/octave-3.8.1/octave/EIG.h is in liboctave-dev 3.8.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 1994-2013 John W. Eaton
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
Octave 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>.
*/
#if !defined (octave_EIG_h)
#define octave_EIG_h 1
#include <iosfwd>
#include "dMatrix.h"
#include "CMatrix.h"
#include "CColVector.h"
class
OCTAVE_API
EIG
{
friend class Matrix;
friend class ComplexMatrix;
public:
EIG (void) : lambda (), v () { }
EIG (const Matrix& a, bool calc_eigenvectors = true)
: lambda (), v ()
{
init (a, calc_eigenvectors);
}
EIG (const Matrix& a, octave_idx_type& info, bool calc_eigenvectors = true)
: lambda (), v ()
{
info = init (a, calc_eigenvectors);
}
EIG (const Matrix& a, const Matrix& b, bool calc_eigenvectors = true)
: lambda (), v ()
{
init (a, b, calc_eigenvectors);
}
EIG (const Matrix& a, const Matrix& b, octave_idx_type& info,
bool calc_eigenvectors = true)
: lambda (), v ()
{
info = init (a, b, calc_eigenvectors);
}
EIG (const ComplexMatrix& a, bool calc_eigenvectors = true)
: lambda (), v ()
{
init (a, calc_eigenvectors);
}
EIG (const ComplexMatrix& a, octave_idx_type& info,
bool calc_eigenvectors = true)
: lambda (), v ()
{
info = init (a, calc_eigenvectors);
}
EIG (const ComplexMatrix& a, const ComplexMatrix& b,
bool calc_eigenvectors = true)
: lambda (), v ()
{
init (a, b, calc_eigenvectors);
}
EIG (const ComplexMatrix& a, const ComplexMatrix& b,
octave_idx_type& info, bool calc_eigenvectors = true)
: lambda (), v ()
{
info = init (a, b, calc_eigenvectors);
}
EIG (const EIG& a)
: lambda (a.lambda), v (a.v) { }
EIG& operator = (const EIG& a)
{
if (this != &a)
{
lambda = a.lambda;
v = a.v;
}
return *this;
}
~EIG (void) { }
ComplexColumnVector eigenvalues (void) const { return lambda; }
ComplexMatrix eigenvectors (void) const { return v; }
friend std::ostream& operator << (std::ostream& os, const EIG& a);
private:
ComplexColumnVector lambda;
ComplexMatrix v;
octave_idx_type init (const Matrix& a, bool calc_eigenvectors);
octave_idx_type init (const Matrix& a, const Matrix& b,
bool calc_eigenvectors);
octave_idx_type init (const ComplexMatrix& a, bool calc_eigenvectors);
octave_idx_type init (const ComplexMatrix& a, const ComplexMatrix& b,
bool calc_eigenvectors);
octave_idx_type symmetric_init (const Matrix& a, bool calc_eigenvectors);
octave_idx_type symmetric_init (const Matrix& a, const Matrix& b,
bool calc_eigenvectors);
octave_idx_type hermitian_init (const ComplexMatrix& a,
bool calc_eigenvectors);
octave_idx_type hermitian_init (const ComplexMatrix& a,
const ComplexMatrix& b,
bool calc_eigenvectors);
};
#endif
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