src/minimizers/SDMinimizer.hpp

/*
 * Copyright (C) 2000-2004  Object Oriented Parallel Simulation Engine (OOPSE) project
 * 
 * Contact: oopse@oopse.org
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 * All we ask is that proper credit is given for our work, which includes
 * - but is not limited to - adding the above copyright notice to the beginning
 * of your source code files, and to any copyright notice that you may distribute
 * with programs based on this work.
 * 
 * This program 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#ifndef MINIMIZERS_SDMINIMIZER_HPP
#define MINIMIZERS_SDMINIMIZER_HPP

#include "minimizers/OOPSEMinimizer.hpp"

namespace oopse {
/**
 * @class SDMinimizer 
 * steepest descent minimizer
 */
class SDMinimizer : public OOPSEMinimizer{
  public:
    SDMinimizer(SimInfo* info); 

    virtual void init();    
    virtual int step();
    virtual void prepareStep();
    virtual int checkConvg();
  protected:

     std::vector<double> direction;
    double prevF;
    double stepSize;

};

}

#endif  
Revision:	1900
Committed:	Tue Jan 4 22:18:06 2005 UTC (20 years, 6 months ago) by tim
File size:	1647 byte(s)
Log Message:	minimizers in progress
#	User	Rev	Content
1	tim	1900	/*
2			* Copyright (C) 2000-2004 Object Oriented Parallel Simulation Engine (OOPSE) project
3			*
4			* Contact: oopse@oopse.org
5			*
6			* This program is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public License
8			* as published by the Free Software Foundation; either version 2.1
9			* of the License, or (at your option) any later version.
10			* All we ask is that proper credit is given for our work, which includes
11			* - but is not limited to - adding the above copyright notice to the beginning
12			* of your source code files, and to any copyright notice that you may distribute
13			* with programs based on this work.
14			*
15			* This program is distributed in the hope that it will be useful,
16			* but WITHOUT ANY WARRANTY; without even the implied warranty of
17			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18			* GNU Lesser General Public License for more details.
19			*
20			* You should have received a copy of the GNU Lesser General Public License
21			* along with this program; if not, write to the Free Software
22			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23			*
24			*/
25
26			#ifndef MINIMIZERS_SDMINIMIZER_HPP
27			#define MINIMIZERS_SDMINIMIZER_HPP
28
29			#include "minimizers/OOPSEMinimizer.hpp"
30
31			namespace oopse {
32			/**
33			* @class SDMinimizer
34			* steepest descent minimizer
35			*/
36			class SDMinimizer : public OOPSEMinimizer{
37			public:
38			SDMinimizer(SimInfo* info);
39
40			virtual void init();
41			virtual int step();
42			virtual void prepareStep();
43			virtual int checkConvg();
44			protected:
45
46			std::vector<double> direction;
47			double prevF;
48			double stepSize;
49
50			};
51
52			}
53
54			#endif