/usr/include/octave-4.0.0/octave/dbleSVD.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.
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 | /*
Copyright (C) 1994-2015 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_dbleSVD_h)
#define octave_dbleSVD_h 1
#include <iosfwd>
#include "dDiagMatrix.h"
#include "dMatrix.h"
class
OCTAVE_API
SVD
{
public:
enum type
{
std,
economy,
sigma_only
};
enum driver
{
GESVD,
GESDD
};
SVD (void) : type_computed (), sigma (), left_sm (), right_sm () { }
SVD (const Matrix& a,
type svd_type = SVD::std, driver svd_driver = SVD::GESVD)
: type_computed (), sigma (), left_sm (), right_sm ()
{
init (a, svd_type, svd_driver);
}
SVD (const Matrix& a, octave_idx_type& info,
type svd_type = SVD::std, driver svd_driver = SVD::GESVD)
: type_computed (), sigma (), left_sm (), right_sm ()
{
info = init (a, svd_type, svd_driver);
}
SVD (const SVD& a)
: type_computed (a.type_computed), sigma (a.sigma),
left_sm (a.left_sm), right_sm (a.right_sm)
{ }
SVD& operator = (const SVD& a)
{
if (this != &a)
{
type_computed = a.type_computed;
sigma = a.sigma;
left_sm = a.left_sm;
right_sm = a.right_sm;
}
return *this;
}
~SVD (void) { }
DiagMatrix singular_values (void) const { return sigma; }
Matrix left_singular_matrix (void) const;
Matrix right_singular_matrix (void) const;
friend std::ostream& operator << (std::ostream& os, const SVD& a);
private:
SVD::type type_computed;
DiagMatrix sigma;
Matrix left_sm;
Matrix right_sm;
octave_idx_type init (const Matrix& a,
type svd_type = std, driver svd_driver = GESVD);
};
#endif
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