ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/branches/development/src/optimization/MinimizerParameters.cpp
Revision: 1746
Committed: Wed Jun 6 02:18:54 2012 UTC (12 years, 10 months ago) by gezelter
File size: 3546 byte(s)
Log Message:
added a minimizer parsing block

File Contents

# User Rev Content
1 gezelter 1746 /*
2     * Copyright (c) 2012 The University of Notre Dame. All Rights Reserved.
3     *
4     * The University of Notre Dame grants you ("Licensee") a
5     * non-exclusive, royalty free, license to use, modify and
6     * redistribute this software in source and binary code form, provided
7     * that the following conditions are met:
8     *
9     * 1. Redistributions of source code must retain the above copyright
10     * notice, this list of conditions and the following disclaimer.
11     *
12     * 2. Redistributions in binary form must reproduce the above copyright
13     * notice, this list of conditions and the following disclaimer in the
14     * documentation and/or other materials provided with the
15     * distribution.
16     *
17     * This software is provided "AS IS," without a warranty of any
18     * kind. All express or implied conditions, representations and
19     * warranties, including any implied warranty of merchantability,
20     * fitness for a particular purpose or non-infringement, are hereby
21     * excluded. The University of Notre Dame and its licensors shall not
22     * be liable for any damages suffered by licensee as a result of
23     * using, modifying or distributing the software or its
24     * derivatives. In no event will the University of Notre Dame or its
25     * licensors be liable for any lost revenue, profit or data, or for
26     * direct, indirect, special, consequential, incidental or punitive
27     * damages, however caused and regardless of the theory of liability,
28     * arising out of the use of or inability to use software, even if the
29     * University of Notre Dame has been advised of the possibility of
30     * such damages.
31     *
32     * SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your
33     * research, please cite the appropriate papers when you publish your
34     * work. Good starting points are:
35     *
36     * [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).
37     * [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).
38     * [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).
39     * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40     * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41     */
42    
43     #include <iostream>
44     #include <stdlib.h>
45     #include <string.h>
46    
47     #include "optimization/MinimizerParameters.hpp"
48    
49     namespace OpenMD {
50     MinimizerParameters::MinimizerParameters() {
51     DefineOptionalParameterWithDefaultValue(UseMinimizer, "useMinimizer", "false");
52     DefineOptionalParameterWithDefaultValue(Method, "method", "SD");
53     DefineOptionalParameterWithDefaultValue(MaxIterations, "maxIterations", 1000);
54     DefineOptionalParameterWithDefaultValue(MaxStationaryStateIterations, "maxStationaryStateIterations", 100);
55     DefineOptionalParameterWithDefaultValue(RootEpsilon, "rootEpsilon", 1e-5);
56     DefineOptionalParameterWithDefaultValue(FunctionEpsilon, "functionEpsilon", 1e-5);
57     DefineOptionalParameterWithDefaultValue(GradientNormEpsilon, "gradientNormEpsilon", 1e-5);
58     }
59    
60     MinimizerParameters::~MinimizerParameters() {
61     }
62    
63     void MinimizerParameters::validate() {
64     CheckParameter(Method, isEqualIgnoreCase("SD") ||
65     isEqualIgnoreCase("CG") || isEqualIgnoreCase("BFGS"));
66     CheckParameter(MaxIterations, isPositive());
67     int one = 1;
68     int mi = this->getMaxIterations();
69     CheckParameter(MaxStationaryStateIterations,
70     isGreaterThanOrEqualTo(one) && isLessThanOrEqualTo(mi));
71     CheckParameter(RootEpsilon, isPositive());
72     CheckParameter(GradientNormEpsilon, isPositive());
73     }
74     }