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root/group/trunk/OOPSE-4/src/UseTheForce/ForceField.cpp
Revision: 2759
Committed: Wed May 17 21:51:42 2006 UTC (18 years, 1 month ago) by tim
File size: 8422 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 /**
43 * @file ForceField.cpp
44 * @author tlin
45 * @date 11/04/2004
46 * @time 22:51am
47 * @version 1.0
48 */
49
50 #include "UseTheForce/ForceField.hpp"
51 #include "utils/simError.h"
52 #include "UseTheForce/DarkSide/atype_interface.h"
53 #include "UseTheForce/DarkSide/fForceOptions_interface.h"
54 #include "UseTheForce/DarkSide/switcheroo_interface.h"
55 namespace oopse {
56
57 ForceField::ForceField() {
58 char* tempPath;
59 tempPath = getenv("FORCE_PARAM_PATH");
60
61 if (tempPath == NULL) {
62 //convert a macro from compiler to a string in c++
63 STR_DEFINE(ffPath_, FRC_PATH );
64 } else {
65 ffPath_ = tempPath;
66 }
67 }
68
69
70 ForceField::~ForceField() {
71 deleteAtypes();
72 deleteSwitch();
73 }
74
75 AtomType* ForceField::getAtomType(const std::string &at) {
76 std::vector<std::string> keys;
77 keys.push_back(at);
78 return atomTypeCont_.find(keys);
79 }
80
81 BondType* ForceField::getBondType(const std::string &at1, const std::string &at2) {
82 std::vector<std::string> keys;
83 keys.push_back(at1);
84 keys.push_back(at2);
85
86 //try exact match first
87 BondType* bondType = bondTypeCont_.find(keys);
88 if (bondType) {
89 return bondType;
90 } else {
91 //if no exact match found, try wild card match
92 return bondTypeCont_.find(keys, wildCardAtomTypeName_);
93 }
94
95 }
96
97 BendType* ForceField::getBendType(const std::string &at1, const std::string &at2,
98 const std::string &at3) {
99 std::vector<std::string> keys;
100 keys.push_back(at1);
101 keys.push_back(at2);
102 keys.push_back(at3);
103
104 //try exact match first
105 BendType* bendType = bendTypeCont_.find(keys);
106 if (bendType) {
107 return bendType;
108 } else {
109 //if no exact match found, try wild card match
110 return bendTypeCont_.find(keys, wildCardAtomTypeName_);
111 }
112 }
113
114 TorsionType* ForceField::getTorsionType(const std::string &at1, const std::string &at2,
115 const std::string &at3, const std::string &at4) {
116 std::vector<std::string> keys;
117 keys.push_back(at1);
118 keys.push_back(at2);
119 keys.push_back(at3);
120 keys.push_back(at4);
121
122 TorsionType* torsionType = torsionTypeCont_.find(keys);
123 if (torsionType) {
124 return torsionType;
125 } else {
126 //if no exact match found, try wild card match
127 return torsionTypeCont_.find(keys, wildCardAtomTypeName_);
128 }
129
130 return torsionTypeCont_.find(keys, wildCardAtomTypeName_);
131
132 }
133
134 BondType* ForceField::getExactBondType(const std::string &at1, const std::string &at2){
135 std::vector<std::string> keys;
136 keys.push_back(at1);
137 keys.push_back(at2);
138 return bondTypeCont_.find(keys);
139 }
140
141 BendType* ForceField::getExactBendType(const std::string &at1, const std::string &at2,
142 const std::string &at3){
143 std::vector<std::string> keys;
144 keys.push_back(at1);
145 keys.push_back(at2);
146 keys.push_back(at3);
147 return bendTypeCont_.find(keys);
148 }
149
150 TorsionType* ForceField::getExactTorsionType(const std::string &at1, const std::string &at2,
151 const std::string &at3, const std::string &at4){
152 std::vector<std::string> keys;
153 keys.push_back(at1);
154 keys.push_back(at2);
155 keys.push_back(at3);
156 keys.push_back(at4);
157 return torsionTypeCont_.find(keys);
158 }
159 bool ForceField::addAtomType(const std::string &at, AtomType* atomType) {
160 std::vector<std::string> keys;
161 keys.push_back(at);
162 return atomTypeCont_.add(keys, atomType);
163 }
164
165 bool ForceField::addBondType(const std::string &at1, const std::string &at2, BondType* bondType) {
166 std::vector<std::string> keys;
167 keys.push_back(at1);
168 keys.push_back(at2);
169 return bondTypeCont_.add(keys, bondType);
170
171 }
172
173 bool ForceField::addBendType(const std::string &at1, const std::string &at2,
174 const std::string &at3, BendType* bendType) {
175 std::vector<std::string> keys;
176 keys.push_back(at1);
177 keys.push_back(at2);
178 keys.push_back(at3);
179 return bendTypeCont_.add(keys, bendType);
180 }
181
182 bool ForceField::addTorsionType(const std::string &at1, const std::string &at2,
183 const std::string &at3, const std::string &at4, TorsionType* torsionType) {
184 std::vector<std::string> keys;
185 keys.push_back(at1);
186 keys.push_back(at2);
187 keys.push_back(at3);
188 keys.push_back(at4);
189 return torsionTypeCont_.add(keys, torsionType);
190 }
191
192 RealType ForceField::getRcutFromAtomType(AtomType* at) {
193 /**@todo */
194 GenericData* data;
195 RealType rcut = 0.0;
196
197 if (at->isLennardJones()) {
198 data = at->getPropertyByName("LennardJones");
199 if (data != NULL) {
200 LJParamGenericData* ljData = dynamic_cast<LJParamGenericData*>(data);
201
202 if (ljData != NULL) {
203 LJParam ljParam = ljData->getData();
204
205 //by default use 2.5*sigma as cutoff radius
206 rcut = 2.5 * ljParam.sigma;
207
208 } else {
209 sprintf( painCave.errMsg,
210 "Can not cast GenericData to LJParam\n");
211 painCave.severity = OOPSE_ERROR;
212 painCave.isFatal = 1;
213 simError();
214 }
215 } else {
216 sprintf( painCave.errMsg, "Can not find Parameters for LennardJones\n");
217 painCave.severity = OOPSE_ERROR;
218 painCave.isFatal = 1;
219 simError();
220 }
221 }
222
223 return rcut;
224 }
225
226
227 ifstrstream* ForceField::openForceFieldFile(const std::string& filename) {
228 std::string forceFieldFilename(filename);
229 ifstrstream* ffStream = new ifstrstream();
230
231 //try to open the force filed file in current directory first
232 ffStream->open(forceFieldFilename.c_str());
233 if(!ffStream->is_open()){
234
235 forceFieldFilename = ffPath_ + "/" + forceFieldFilename;
236 ffStream->open( forceFieldFilename.c_str() );
237
238 //if current directory does not contain the force field file,
239 //try to open it in the path
240 if(!ffStream->is_open()){
241
242 sprintf( painCave.errMsg,
243 "Error opening the force field parameter file:\n"
244 "\t%s\n"
245 "\tHave you tried setting the FORCE_PARAM_PATH environment "
246 "variable?\n",
247 forceFieldFilename.c_str() );
248 painCave.severity = OOPSE_ERROR;
249 painCave.isFatal = 1;
250 simError();
251 }
252 }
253
254 return ffStream;
255
256 }
257
258 void ForceField::setFortranForceOptions(){
259 ForceOptions theseFortranOptions;
260 forceFieldOptions_.makeFortranOptions(theseFortranOptions);
261 setfForceOptions(&theseFortranOptions);
262 }
263 } //end namespace oopse