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root/group/trunk/OOPSE-2.0/src/io/BendTypesSectionParser.cpp
Revision: 1957
Committed: Tue Jan 25 17:45:23 2005 UTC (19 years, 5 months ago) by tim
File size: 8049 byte(s)
Log Message:
(1) complete section parser's error message
(2) add GhostTorsion
(3) accumulate inertial tensor from the directional atoms before calculate rigidbody's inertial tensor

File Contents

# User Rev Content
1 gezelter 1930 /*
2     * Copyright (c) 2005 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. Acknowledgement of the program authors must be made in any
10     * publication of scientific results based in part on use of the
11     * program. An acceptable form of acknowledgement is citation of
12     * the article in which the program was described (Matthew
13     * A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14     * J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15     * Parallel Simulation Engine for Molecular Dynamics,"
16     * J. Comput. Chem. 26, pp. 252-271 (2005))
17     *
18     * 2. Redistributions of source code must retain the above copyright
19     * notice, this list of conditions and the following disclaimer.
20     *
21     * 3. Redistributions in binary form must reproduce the above copyright
22     * notice, this list of conditions and the following disclaimer in the
23     * documentation and/or other materials provided with the
24     * distribution.
25     *
26     * This software is provided "AS IS," without a warranty of any
27     * kind. All express or implied conditions, representations and
28     * warranties, including any implied warranty of merchantability,
29     * fitness for a particular purpose or non-infringement, are hereby
30     * excluded. The University of Notre Dame and its licensors shall not
31     * be liable for any damages suffered by licensee as a result of
32     * using, modifying or distributing the software or its
33     * derivatives. In no event will the University of Notre Dame or its
34     * licensors be liable for any lost revenue, profit or data, or for
35     * direct, indirect, special, consequential, incidental or punitive
36     * damages, however caused and regardless of the theory of liability,
37     * arising out of the use of or inability to use software, even if the
38     * University of Notre Dame has been advised of the possibility of
39     * such damages.
40     */
41    
42     #include "io/BendTypesSectionParser.hpp"
43     #include "types/HarmonicBendType.hpp"
44     #include "types/UreyBradleyBendType.hpp"
45     #include "types/CubicBendType.hpp"
46     #include "types/QuarticBendType.hpp"
47     #include "types/PolynomialBendType.hpp"
48     #include "UseTheForce/ForceField.hpp"
49     #include "utils/NumericConstant.hpp"
50 tim 1957 #include "utils/simError.h"
51 gezelter 1930 namespace oopse {
52    
53     BendTypesSectionParser::BendTypesSectionParser() {
54     setSectionName("BendTypes");
55    
56     stringToEnumMap_["Harmonic"] = btHarmonic;
57     stringToEnumMap_["GhostBend"] = btGhostBend;
58     stringToEnumMap_["UreyBradley"] = btUreyBradley;
59     stringToEnumMap_["Cubic"] = btCubic;
60     stringToEnumMap_["Quartic"] = btQuartic;
61     stringToEnumMap_["Polynomial"] = btPolynomial;
62     }
63    
64     void BendTypesSectionParser::parseLine(ForceField& ff,const std::string& line, int lineNo){
65     StringTokenizer tokenizer(line);
66     BendType* bendType = NULL;
67    
68     int nTokens = tokenizer.countTokens();
69    
70     if (nTokens < 5) {
71 tim 1957 sprintf(painCave.errMsg, "BendTypesSectionParser Error: Not enough tokens at line %d\n",
72     lineNo);
73     painCave.isFatal = 1;
74     simError();
75 gezelter 1930 return;
76     }
77    
78     std::string at1 = tokenizer.nextToken();
79     std::string at2 = tokenizer.nextToken();
80     std::string at3 = tokenizer.nextToken();
81     BendTypeEnum bt = getBendTypeEnum(tokenizer.nextToken());
82     double theta0 = tokenizer.nextTokenAsDouble() / 180.0 * NumericConstant::PI; //convert to rad
83     nTokens -= 5;
84    
85     //switch is a maintain nightmare
86     switch(bt) {
87    
88     case btHarmonic :
89    
90     if (nTokens < 1) {
91 tim 1957 sprintf(painCave.errMsg, "BendTypesSectionParser Error: Not enough tokens at line %d\n",
92     lineNo);
93     painCave.isFatal = 1;
94     simError();
95 gezelter 1930 } else {
96    
97     double ktheta = tokenizer.nextTokenAsDouble();
98     bendType = new HarmonicBendType(theta0, ktheta);
99     }
100     break;
101     case btGhostBend :
102     if (nTokens < 1) {
103 tim 1957 sprintf(painCave.errMsg, "BendTypesSectionParser Error: Not enough tokens at line %d\n",
104     lineNo);
105     painCave.isFatal = 1;
106     simError();
107 gezelter 1930 } else {
108     double ktheta = tokenizer.nextTokenAsDouble();
109     bendType = new HarmonicBendType(theta0, ktheta);
110     }
111     break;
112    
113     case btUreyBradley :
114     if (nTokens < 3) {
115 tim 1957 sprintf(painCave.errMsg, "BendTypesSectionParser Error: Not enough tokens at line %d\n",
116     lineNo);
117     painCave.isFatal = 1;
118     simError();
119 gezelter 1930 } else {
120     double ktheta = tokenizer.nextTokenAsDouble();
121     double s0 = tokenizer.nextTokenAsDouble();
122     double kub = tokenizer.nextTokenAsDouble();
123     bendType = new UreyBradleyBendType(theta0, ktheta, s0, kub);
124     }
125     break;
126    
127     case btCubic :
128     if (nTokens < 4) {
129 tim 1957 sprintf(painCave.errMsg, "BendTypesSectionParser Error: Not enough tokens at line %d\n",
130     lineNo);
131     painCave.isFatal = 1;
132     simError();
133 gezelter 1930 } else {
134    
135     double k3 = tokenizer.nextTokenAsDouble();
136     double k2 = tokenizer.nextTokenAsDouble();
137     double k1 = tokenizer.nextTokenAsDouble();
138     double k0 = tokenizer.nextTokenAsDouble();
139    
140     bendType = new CubicBendType(theta0, k3, k2, k1, k0);
141     }
142     break;
143    
144     case btQuartic :
145     if (nTokens < 5) {
146 tim 1957 sprintf(painCave.errMsg, "BendTypesSectionParser Error: Not enough tokens at line %d\n",
147     lineNo);
148     painCave.isFatal = 1;
149     simError();
150 gezelter 1930 } else {
151    
152     theta0 = tokenizer.nextTokenAsDouble();
153     double k4 = tokenizer.nextTokenAsDouble();
154     double k3 = tokenizer.nextTokenAsDouble();
155     double k2 = tokenizer.nextTokenAsDouble();
156     double k1 = tokenizer.nextTokenAsDouble();
157     double k0 = tokenizer.nextTokenAsDouble();
158    
159     bendType = new QuarticBendType(theta0, k4, k3, k2, k1, k0);
160     }
161     break;
162    
163     case btPolynomial :
164     if (nTokens < 2 || nTokens % 2 != 0) {
165 tim 1957 sprintf(painCave.errMsg, "BendTypesSectionParser Error: Not enough tokens at line %d\n",
166     lineNo);
167     painCave.isFatal = 1;
168     simError();
169 gezelter 1930 } else {
170     int nPairs = nTokens / 2;
171     int power;
172     double coefficient;
173     PolynomialBendType* pbt = new PolynomialBendType(theta0);
174    
175     for (int i = 0; i < nPairs; ++i) {
176     power = tokenizer.nextTokenAsInt();
177     coefficient = tokenizer.nextTokenAsDouble();
178     pbt->setCoefficient(power, coefficient);
179     }
180     }
181    
182     break;
183    
184     case btUnknown :
185     default:
186 tim 1957 sprintf(painCave.errMsg, "BendTypesSectionParser Error: Unknown Bond Type at line %d\n",
187     lineNo);
188     painCave.isFatal = 1;
189     simError();
190 gezelter 1930 break;
191    
192     }
193    
194     if (bendType != NULL) {
195     ff.addBendType(at1, at2, at3, bendType);
196     }
197     }
198    
199     BendTypesSectionParser::BendTypeEnum BendTypesSectionParser::getBendTypeEnum(const std::string& str) {
200     std::map<std::string, BendTypeEnum>::iterator i;
201     i = stringToEnumMap_.find(str);
202    
203     return i == stringToEnumMap_.end() ? btUnknown : i->second;
204     }
205    
206     } //end namespace oopse
207    
208