| 1 | /* | 
| 2 | * Copyright (c) 2007 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 "io/NonBondedInteractionsSectionParser.hpp" | 
| 44 | #include "types/AtomType.hpp" | 
| 45 | #include "types/MorseInteractionType.hpp" | 
| 46 | #include "types/MAWInteractionType.hpp" | 
| 47 | #include "types/LennardJonesInteractionType.hpp" | 
| 48 | #include "types/RepulsivePowerInteractionType.hpp" | 
| 49 | #include "UseTheForce/ForceField.hpp" | 
| 50 | #include "utils/simError.h" | 
| 51 | namespace OpenMD { | 
| 52 |  | 
| 53 | NonBondedInteractionsSectionParser::NonBondedInteractionsSectionParser(ForceFieldOptions& options) : options_(options){ | 
| 54 | setSectionName("NonBondedInteractions"); | 
| 55 |  | 
| 56 | stringToEnumMap_["MAW"] =  MAW; | 
| 57 | stringToEnumMap_["ShiftedMorse"] =  ShiftedMorse; | 
| 58 | stringToEnumMap_["LennardJones"] = LennardJones; | 
| 59 | stringToEnumMap_["RepulsiveMorse"] = RepulsiveMorse; | 
| 60 | stringToEnumMap_["RepulsivePower"] = RepulsivePower; | 
| 61 |  | 
| 62 | } | 
| 63 |  | 
| 64 | void NonBondedInteractionsSectionParser::parseLine(ForceField& ff,const std::string& line, int lineNo){ | 
| 65 | StringTokenizer tokenizer(line); | 
| 66 | NonBondedInteractionType* nbiType = NULL; | 
| 67 | int nTokens = tokenizer.countTokens(); | 
| 68 |  | 
| 69 | if (nTokens < 3) { | 
| 70 | sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", | 
| 71 | lineNo); | 
| 72 | painCave.isFatal = 1; | 
| 73 | simError(); | 
| 74 | } | 
| 75 |  | 
| 76 | std::string at1 = tokenizer.nextToken(); | 
| 77 | std::string at2 = tokenizer.nextToken(); | 
| 78 | std::string itype = tokenizer.nextToken(); | 
| 79 |  | 
| 80 | NonBondedInteractionTypeEnum nbit = getNonBondedInteractionTypeEnum(itype); | 
| 81 | nTokens -= 3; | 
| 82 | NonBondedInteractionType* interactionType; | 
| 83 |  | 
| 84 | //switch is a nightmare to maintain | 
| 85 | switch(nbit) { | 
| 86 | case MAW : | 
| 87 | if (nTokens < 5) { | 
| 88 | sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", | 
| 89 | lineNo); | 
| 90 | painCave.isFatal = 1; | 
| 91 | simError(); | 
| 92 | } else { | 
| 93 | RealType r_e = tokenizer.nextTokenAsDouble(); | 
| 94 | RealType D_e = tokenizer.nextTokenAsDouble(); | 
| 95 | RealType beta = tokenizer.nextTokenAsDouble(); | 
| 96 | RealType ca1 = tokenizer.nextTokenAsDouble(); | 
| 97 | RealType cb1 = tokenizer.nextTokenAsDouble(); | 
| 98 | interactionType = new MAWInteractionType(D_e, beta, r_e, ca1, cb1); | 
| 99 | } | 
| 100 | break; | 
| 101 |  | 
| 102 | case ShiftedMorse : | 
| 103 | if (nTokens < 3) { | 
| 104 | sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", | 
| 105 | lineNo); | 
| 106 | painCave.isFatal = 1; | 
| 107 | simError(); | 
| 108 | } else { | 
| 109 | RealType r0 = tokenizer.nextTokenAsDouble(); | 
| 110 | RealType D0 = tokenizer.nextTokenAsDouble(); | 
| 111 | RealType beta0 = tokenizer.nextTokenAsDouble(); | 
| 112 | interactionType = new MorseInteractionType(D0, beta0, r0, mtShifted); | 
| 113 | } | 
| 114 | break; | 
| 115 |  | 
| 116 | case RepulsiveMorse : | 
| 117 | if (nTokens < 3) { | 
| 118 | sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", | 
| 119 | lineNo); | 
| 120 | painCave.isFatal = 1; | 
| 121 | simError(); | 
| 122 | } else { | 
| 123 | RealType r0 = tokenizer.nextTokenAsDouble(); | 
| 124 | RealType D0 = tokenizer.nextTokenAsDouble(); | 
| 125 | RealType beta0 = tokenizer.nextTokenAsDouble(); | 
| 126 | interactionType = new MorseInteractionType(D0, beta0, r0, mtRepulsive); | 
| 127 | } | 
| 128 | break; | 
| 129 |  | 
| 130 | case LennardJones : | 
| 131 | if (nTokens < 2) { | 
| 132 | sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", | 
| 133 | lineNo); | 
| 134 | painCave.isFatal = 1; | 
| 135 | simError(); | 
| 136 | } else { | 
| 137 | RealType sigma = tokenizer.nextTokenAsDouble(); | 
| 138 | RealType epsilon = tokenizer.nextTokenAsDouble(); | 
| 139 | interactionType = new LennardJonesInteractionType(sigma, epsilon); | 
| 140 | } | 
| 141 | break; | 
| 142 |  | 
| 143 | case RepulsivePower : | 
| 144 | if (nTokens < 3) { | 
| 145 | sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", | 
| 146 | lineNo); | 
| 147 | painCave.isFatal = 1; | 
| 148 | simError(); | 
| 149 | } else { | 
| 150 | RealType sigma = tokenizer.nextTokenAsDouble(); | 
| 151 | RealType epsilon = tokenizer.nextTokenAsDouble(); | 
| 152 | int nRep = tokenizer.nextTokenAsInt(); | 
| 153 | interactionType = new RepulsivePowerInteractionType(sigma, epsilon, nRep); | 
| 154 | } | 
| 155 | break; | 
| 156 |  | 
| 157 | case Unknown : | 
| 158 | default: | 
| 159 | sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Unknown Interaction Type at line %d\n", | 
| 160 | lineNo); | 
| 161 | painCave.isFatal = 1; | 
| 162 | simError(); | 
| 163 |  | 
| 164 | break; | 
| 165 |  | 
| 166 | } | 
| 167 |  | 
| 168 | if (interactionType != NULL) { | 
| 169 | ff.addNonBondedInteractionType(at1, at2, interactionType); | 
| 170 | } | 
| 171 |  | 
| 172 | } | 
| 173 |  | 
| 174 | NonBondedInteractionsSectionParser::NonBondedInteractionTypeEnum NonBondedInteractionsSectionParser::getNonBondedInteractionTypeEnum(const std::string& str) { | 
| 175 | std::map<std::string, NonBondedInteractionTypeEnum>::iterator i; | 
| 176 | i = stringToEnumMap_.find(str); | 
| 177 |  | 
| 178 | return i == stringToEnumMap_.end() ? Unknown : i->second; | 
| 179 | } | 
| 180 |  | 
| 181 | } //end namespace OpenMD | 
| 182 |  |