/usr/include/octave-4.0.0/octave/base-min.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) 1995-2015 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_base_min_h)
#define octave_base_min_h 1
#include "dColVector.h"
class
base_minimizer
{
public:
base_minimizer (void) : x () { }
base_minimizer (const ColumnVector& xx) : x (xx) { }
base_minimizer (const base_minimizer& a) : x (a.x) { }
virtual ~base_minimizer (void) { }
base_minimizer& operator = (const base_minimizer& a)
{
if (this != &a)
x = a.x;
return *this;
}
// Derived classes must provide a function to actually do the
// minimization.
virtual ColumnVector do_minimize (double& objf, octave_idx_type& inform,
ColumnVector& lambda) = 0;
// Lots of ways to call the single function and optionally set and
// get additional information.
virtual ColumnVector minimize (void)
{
double objf;
octave_idx_type inform;
ColumnVector lambda;
return do_minimize (objf, inform, lambda);
}
virtual ColumnVector minimize (double& objf)
{
octave_idx_type inform;
ColumnVector lambda;
return do_minimize (objf, inform, lambda);
}
virtual ColumnVector minimize (double& objf, octave_idx_type& inform)
{
ColumnVector lambda;
return do_minimize (objf, inform, lambda);
}
virtual ColumnVector minimize (double& objf, octave_idx_type& inform,
ColumnVector& lambda)
{
return do_minimize (objf, inform, lambda);
}
virtual ColumnVector minimize (const ColumnVector& x0)
{
x = x0;
double objf;
octave_idx_type inform;
ColumnVector lambda;
return do_minimize (objf, inform, lambda);
}
virtual ColumnVector minimize (const ColumnVector& x0, double& objf)
{
x = x0;
octave_idx_type inform;
ColumnVector lambda;
return do_minimize (objf, inform, lambda);
}
virtual ColumnVector minimize (const ColumnVector& x0, double& objf,
octave_idx_type& inform)
{
x = x0;
ColumnVector lambda;
return do_minimize (objf, inform, lambda);
}
virtual ColumnVector minimize (const ColumnVector& x0, double& objf,
octave_idx_type& inform, ColumnVector& lambda)
{
x = x0;
return do_minimize (objf, inform, lambda);
}
octave_idx_type size (void) const { return x.capacity (); }
protected:
ColumnVector x;
};
#endif
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