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root/group/trunk/OOPSE-4/src/UseTheForce/EAM_FF.cpp
Revision: 2759
Committed: Wed May 17 21:51:42 2006 UTC (18 years, 1 month ago) by tim
File size: 5664 byte(s)
Log Message:
Adding single precision capabilities to c++ side

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 "UseTheForce/EAM_FF.hpp"
43 #include "UseTheForce/DarkSide/eam_interface.h"
44 #include "UseTheForce/DarkSide/lj_interface.h"
45 #include "UseTheForce/DarkSide/sticky_interface.h"
46 #include "UseTheForce/ForceFieldFactory.hpp"
47 #include "io/DirectionalAtomTypesSectionParser.hpp"
48 #include "io/AtomTypesSectionParser.hpp"
49 #include "io/LennardJonesAtomTypesSectionParser.hpp"
50 #include "io/ChargeAtomTypesSectionParser.hpp"
51 #include "io/MultipoleAtomTypesSectionParser.hpp"
52 #include "io/EAMAtomTypesSectionParser.hpp"
53 #include "io/StickyAtomTypesSectionParser.hpp"
54 #include "io/BondTypesSectionParser.hpp"
55 #include "io/BendTypesSectionParser.hpp"
56 #include "io/TorsionTypesSectionParser.hpp"
57 #include "io/OptionSectionParser.hpp"
58 #include "UseTheForce/ForceFieldCreator.hpp"
59 #include "utils/simError.h"
60 namespace oopse {
61
62 EAM_FF::EAM_FF(){
63
64 //set default force field filename
65 setForceFieldFileName("EAM.frc");
66
67 //the order of adding section parsers are important
68 //OptionSectionParser must come first to set options for other parsers
69 //DirectionalAtomTypesSectionParser should be added before AtomTypesSectionParser Since
70 //These two section parsers will actually create "real" AtomTypes (AtomTypesSectionParser will create
71 //AtomType and DirectionalAtomTypesSectionParser will creat DirectionalAtomType which is a subclass
72 //of AtomType, therefore it should come first). Other AtomTypes Section Parser will not create the
73 //"real" AtomType, they only add and set some attribute of the AtomType. Thus their order are not
74 //important. AtomTypesSectionParser should be added before other atom type section parsers.
75 //Make sure they are added after DirectionalAtomTypesSectionParser and AtomTypesSectionParser.
76 //The order of BondTypesSectionParser, BendTypesSectionParser and TorsionTypesSectionParser are
77 //not important.
78 spMan_.push_back(new OptionSectionParser(forceFieldOptions_));
79 spMan_.push_back(new AtomTypesSectionParser());
80 spMan_.push_back(new EAMAtomTypesSectionParser(forceFieldOptions_));
81
82
83 }
84
85 void EAM_FF::parse(const std::string& filename) {
86 ifstrstream* ffStream;
87 ffStream = openForceFieldFile(filename);
88
89 spMan_.parse(*ffStream, *this);
90
91 ForceField::AtomTypeContainer::MapTypeIterator i;
92 AtomType* at;
93
94 for (at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
95 at->makeFortranAtomType();
96 }
97
98 for (at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
99 at->complete();
100 }
101
102 delete ffStream;
103 }
104
105
106 RealType EAM_FF::getRcutFromAtomType(AtomType* at){
107 RealType rcut = 0.0;
108 if (at->isEAM()) {
109 GenericData* data = at->getPropertyByName("EAM");
110 if (data != NULL) {
111 EAMParamGenericData* eamData = dynamic_cast<EAMParamGenericData*>(data);
112
113 if (eamData != NULL) {
114
115 EAMParam& eamParam = eamData->getData();
116 rcut = eamParam.rcut;
117 } else {
118 sprintf( painCave.errMsg,
119 "Can not cast GenericData to EAMParam\n");
120 painCave.severity = OOPSE_ERROR;
121 painCave.isFatal = 1;
122 simError();
123 }
124 } else {
125 sprintf( painCave.errMsg, "Can not find EAM Parameters\n");
126 painCave.severity = OOPSE_ERROR;
127 painCave.isFatal = 1;
128 simError();
129 }
130 } else {
131 rcut = ForceField::getRcutFromAtomType(at);
132 }
133
134 return rcut;
135 }
136
137 EAM_FF::~EAM_FF(){
138 // We need to clean up the fortran side so we don't have bad things happen if
139 // we try to create a second EAM force field.
140 destroyEAMTypes();
141 }
142 } //end namespace oopse