/usr/include/octave-4.0.0/octave/CmplxCHOL.h is in liboctave-dev 4.0.0-3ubuntu9.
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) 1994-2015 John W. Eaton
Copyright (C) 2008-2009 Jaroslav Hajek
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_CmplxCHOL_h)
#define octave_CmplxCHOL_h 1
#include <iosfwd>
#include "CMatrix.h"
#include "CColVector.h"
class
OCTAVE_API
ComplexCHOL
{
public:
ComplexCHOL (void) : chol_mat (), xrcond (0) { }
ComplexCHOL (const ComplexMatrix& a, bool calc_cond = false)
: chol_mat (), xrcond (0)
{
init (a, calc_cond);
}
ComplexCHOL (const ComplexMatrix& a, octave_idx_type& info,
bool calc_cond = false)
: chol_mat (), xrcond (0)
{
info = init (a, calc_cond);
}
ComplexCHOL (const ComplexCHOL& a)
: chol_mat (a.chol_mat), xrcond (a.xrcond) { }
ComplexCHOL& operator = (const ComplexCHOL& a)
{
if (this != &a)
{
chol_mat = a.chol_mat;
xrcond = a.xrcond;
}
return *this;
}
ComplexMatrix chol_matrix (void) const { return chol_mat; }
double rcond (void) const { return xrcond; }
ComplexMatrix inverse (void) const;
void set (const ComplexMatrix& R);
void update (const ComplexColumnVector& u);
octave_idx_type downdate (const ComplexColumnVector& u);
octave_idx_type insert_sym (const ComplexColumnVector& u, octave_idx_type j);
void delete_sym (octave_idx_type j);
void shift_sym (octave_idx_type i, octave_idx_type j);
friend OCTAVE_API std::ostream& operator << (std::ostream& os,
const ComplexCHOL& a);
private:
ComplexMatrix chol_mat;
double xrcond;
octave_idx_type init (const ComplexMatrix& a, bool calc_cond);
};
ComplexMatrix OCTAVE_API chol2inv (const ComplexMatrix& r);
#endif
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