/usr/include/octave-3.8.1/octave/dbleQR.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.
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 | /*
Copyright (C) 1994-2013 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_dbleQR_h)
#define octave_dbleQR_h 1
#include <iosfwd>
#include "dMatrix.h"
#include "dColVector.h"
#include "dRowVector.h"
#include "base-qr.h"
class
OCTAVE_API
QR : public base_qr<Matrix>
{
public:
// Import them here to allow the QR:: prefix.
typedef qr_type_t type;
static const type std = qr_type_std;
static const type raw = qr_type_raw;
static const type economy = qr_type_economy;
QR (void) : base_qr<Matrix> () { }
QR (const Matrix&, qr_type_t = qr_type_std);
QR (const Matrix& qx, const Matrix& rx)
: base_qr<Matrix> (qx, rx) { }
QR (const QR& a) : base_qr<Matrix> (a) { }
void init (const Matrix&, qr_type_t);
void update (const ColumnVector& u, const ColumnVector& v);
void update (const Matrix& u, const Matrix& v);
void insert_col (const ColumnVector& u, octave_idx_type j);
void insert_col (const Matrix& u, const Array<octave_idx_type>& j);
void delete_col (octave_idx_type j);
void delete_col (const Array<octave_idx_type>& j);
void insert_row (const RowVector& u, octave_idx_type j);
void delete_row (octave_idx_type j);
void shift_cols (octave_idx_type i, octave_idx_type j);
protected:
void form (octave_idx_type n, Matrix& afact,
double *tau, qr_type_t qr_type);
};
#endif
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