/usr/include/octave-3.8.1/octave/base-dae.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 | /*
Copyright (C) 2002-2013 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_base_dae_h)
#define octave_base_dae_h 1
#include "base-de.h"
class
base_diff_alg_eqn : public base_diff_eqn
{
public:
base_diff_alg_eqn (void)
: base_diff_eqn (), xdot () { }
base_diff_alg_eqn (const ColumnVector& xx, double tt)
: base_diff_eqn (xx, tt), xdot (xx.length (), 0.0) { }
base_diff_alg_eqn (const ColumnVector& xx, const ColumnVector& xxdot,
double tt)
: base_diff_eqn (xx, tt), xdot (xxdot) { }
base_diff_alg_eqn (const base_diff_alg_eqn& a)
: base_diff_eqn (a), xdot (a.xdot) { }
virtual ~base_diff_alg_eqn (void) { }
base_diff_alg_eqn& operator = (const base_diff_alg_eqn& a)
{
if (this != &a)
{
base_diff_eqn::operator = (a);
xdot = a.xdot;
}
return *this;
}
void initialize (const ColumnVector& x0, double t0)
{
base_diff_eqn::initialize (x0, t0);
xdot = ColumnVector (x0.length (), 0.0);
}
void initialize (const ColumnVector& x0, const ColumnVector& xdot0,
double t0)
{
base_diff_eqn::initialize (x0, t0);
xdot = xdot0;
}
ColumnVector state_derivative (void) { return xdot; }
protected:
ColumnVector xdot;
};
#endif
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