Mercurial > octave
view liboctave/numeric/base-min.h @ 18479:85d31344fb23 stable rc-3-8-1-2
3.8.1 release candidate 2
* configure.ac (OCTAVE_VERSION): Bump to 3.8.1-rc2.
(OCTAVE_MINOR_VERSION): Bump to 1-rc2.
(OCTAVE_RELEASE_DATE): Set to 2014-02-14.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 17 Feb 2014 02:20:39 -0500 |
parents | 49a5a4be04a1 |
children | 4197fc428c7d |
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/* Copyright (C) 1995-2013 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_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