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root/group/trunk/OOPSE-2.0/src/io/LennardJonesAtomTypesSectionParser.cpp
Revision: 2538
Committed: Mon Jan 9 19:26:27 2006 UTC (18 years, 6 months ago) by chuckv
File size: 3934 byte(s)
Log Message:
Added energy scaling to section parsers.

File Contents

# Content
1 /*
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/LennardJonesAtomTypesSectionParser.hpp"
43 #include "io/ForceFieldOptions.hpp"
44 #include "types/AtomType.hpp"
45 #include "UseTheForce/ForceField.hpp"
46 #include "utils/simError.h"
47 namespace oopse {
48
49 LennardJonesAtomTypesSectionParser::LennardJonesAtomTypesSectionParser(ForceFieldOptions& options) : options_(options) {
50 setSectionName("LennardJonesAtomTypes");
51 }
52
53 void LennardJonesAtomTypesSectionParser::parseLine(ForceField& ff,const std::string& line, int lineNo){
54 StringTokenizer tokenizer(line);
55 int nTokens = tokenizer.countTokens();
56
57 //in LennardJonesAtomTypesSectionParser, a line at least contains 3 tokens
58 //atomTypeName, epsilon and sigma
59 if (nTokens < 3) {
60 sprintf(painCave.errMsg, "LennardJonesAtomTypesSectionParser Error: Not enough tokens at line %d\n",
61 lineNo);
62 painCave.isFatal = 1;
63 simError();
64 } else {
65
66 std::string atomTypeName = tokenizer.nextToken();
67 AtomType* atomType = ff.getAtomType(atomTypeName);
68
69 if (atomType != NULL) {
70 LJParam ljParam;
71 ljParam.epsilon = tokenizer.nextTokenAsDouble();
72 ljParam.sigma = tokenizer.nextTokenAsDouble();
73 ljParam.soft_pot = 0;
74
75 ljParam.epsilon *= options_.getEnergyUnitScaling();
76 ljParam.sigma *= options_.getDistanceUnitScaling();
77
78 if (tokenizer.hasMoreTokens()) {
79 std::string pot_type = tokenizer.nextToken();
80 if (pot_type == "soft") {
81 ljParam.soft_pot = 1;
82 }
83 }
84
85 atomType->addProperty(new LJParamGenericData("LennardJones", ljParam));
86 atomType->setLennardJones();
87 }else {
88 sprintf(painCave.errMsg, "LennardJonesAtomTypesSectionParser Error: Atom Type [%s] is not created yet\n", atomTypeName.c_str());
89 painCave.isFatal = 1;
90 simError();
91 }
92
93 }
94
95
96 }
97
98 } //end namespace oopse
99