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/* |
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* Copyright (c) 2007 The University of Notre Dame. All Rights Reserved. |
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* |
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* The University of Notre Dame grants you ("Licensee") a |
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* non-exclusive, royalty free, license to use, modify and |
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* redistribute this software in source and binary code form, provided |
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* that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the |
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* distribution. |
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* |
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* This software is provided "AS IS," without a warranty of any |
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* kind. All express or implied conditions, representations and |
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* warranties, including any implied warranty of merchantability, |
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* fitness for a particular purpose or non-infringement, are hereby |
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* excluded. The University of Notre Dame and its licensors shall not |
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* be liable for any damages suffered by licensee as a result of |
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* using, modifying or distributing the software or its |
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* derivatives. In no event will the University of Notre Dame or its |
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* licensors be liable for any lost revenue, profit or data, or for |
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* direct, indirect, special, consequential, incidental or punitive |
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* damages, however caused and regardless of the theory of liability, |
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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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* |
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* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
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* research, please cite the appropriate papers when you publish your |
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* work. Good starting points are: |
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* |
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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
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* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
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*/ |
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|
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#include "io/NonBondedInteractionsSectionParser.hpp" |
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#include "types/AtomType.hpp" |
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#include "types/MorseInteractionType.hpp" |
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#include "types/MAWInteractionType.hpp" |
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#include "types/LennardJonesInteractionType.hpp" |
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#include "types/RepulsivePowerInteractionType.hpp" |
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#include "UseTheForce/ForceField.hpp" |
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#include "utils/simError.h" |
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namespace OpenMD { |
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|
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NonBondedInteractionsSectionParser::NonBondedInteractionsSectionParser(ForceFieldOptions& options) : options_(options){ |
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setSectionName("NonBondedInteractions"); |
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|
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stringToEnumMap_["MAW"] = MAW; |
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stringToEnumMap_["ShiftedMorse"] = ShiftedMorse; |
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stringToEnumMap_["LennardJones"] = LennardJones; |
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stringToEnumMap_["RepulsiveMorse"] = RepulsiveMorse; |
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stringToEnumMap_["RepulsivePower"] = RepulsivePower; |
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|
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} |
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|
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void NonBondedInteractionsSectionParser::parseLine(ForceField& ff,const std::string& line, int lineNo){ |
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StringTokenizer tokenizer(line); |
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NonBondedInteractionType* nbiType = NULL; |
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int nTokens = tokenizer.countTokens(); |
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|
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if (nTokens < 3) { |
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sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", |
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lineNo); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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std::string at1 = tokenizer.nextToken(); |
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std::string at2 = tokenizer.nextToken(); |
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std::string itype = tokenizer.nextToken(); |
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|
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NonBondedInteractionTypeEnum nbit = getNonBondedInteractionTypeEnum(itype); |
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nTokens -= 3; |
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NonBondedInteractionType* interactionType; |
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|
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//switch is a nightmare to maintain |
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switch(nbit) { |
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case MAW : |
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if (nTokens < 5) { |
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sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", |
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lineNo); |
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painCave.isFatal = 1; |
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simError(); |
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} else { |
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RealType r_e = tokenizer.nextTokenAsDouble(); |
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RealType D_e = tokenizer.nextTokenAsDouble(); |
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RealType beta = tokenizer.nextTokenAsDouble(); |
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RealType ca1 = tokenizer.nextTokenAsDouble(); |
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RealType cb1 = tokenizer.nextTokenAsDouble(); |
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interactionType = new MAWInteractionType(D_e, beta, r_e, ca1, cb1); |
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} |
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break; |
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|
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case ShiftedMorse : |
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if (nTokens < 3) { |
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sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", |
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lineNo); |
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painCave.isFatal = 1; |
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simError(); |
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} else { |
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RealType r0 = tokenizer.nextTokenAsDouble(); |
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RealType D0 = tokenizer.nextTokenAsDouble(); |
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RealType beta0 = tokenizer.nextTokenAsDouble(); |
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interactionType = new MorseInteractionType(D0, beta0, r0, mtShifted); |
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} |
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break; |
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|
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case RepulsiveMorse : |
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if (nTokens < 3) { |
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sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", |
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lineNo); |
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painCave.isFatal = 1; |
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simError(); |
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} else { |
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RealType r0 = tokenizer.nextTokenAsDouble(); |
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RealType D0 = tokenizer.nextTokenAsDouble(); |
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RealType beta0 = tokenizer.nextTokenAsDouble(); |
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interactionType = new MorseInteractionType(D0, beta0, r0, mtRepulsive); |
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} |
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break; |
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|
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case LennardJones : |
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if (nTokens < 2) { |
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sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", |
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lineNo); |
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painCave.isFatal = 1; |
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simError(); |
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} else { |
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RealType sigma = tokenizer.nextTokenAsDouble(); |
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RealType epsilon = tokenizer.nextTokenAsDouble(); |
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interactionType = new LennardJonesInteractionType(sigma, epsilon); |
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} |
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break; |
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|
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case RepulsivePower : |
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if (nTokens < 3) { |
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sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Not enough tokens at line %d\n", |
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lineNo); |
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painCave.isFatal = 1; |
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simError(); |
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} else { |
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RealType sigma = tokenizer.nextTokenAsDouble(); |
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RealType epsilon = tokenizer.nextTokenAsDouble(); |
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int nRep = tokenizer.nextTokenAsInt(); |
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interactionType = new RepulsivePowerInteractionType(sigma, epsilon, nRep); |
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} |
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break; |
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|
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case Unknown : |
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default: |
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sprintf(painCave.errMsg, "NonBondedInteractionsSectionParser Error: Unknown Interaction Type at line %d\n", |
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lineNo); |
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painCave.isFatal = 1; |
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simError(); |
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|
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break; |
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|
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} |
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|
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if (interactionType != NULL) { |
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ff.addNonBondedInteractionType(at1, at2, interactionType); |
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} |
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|
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} |
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|
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NonBondedInteractionsSectionParser::NonBondedInteractionTypeEnum NonBondedInteractionsSectionParser::getNonBondedInteractionTypeEnum(const std::string& str) { |
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std::map<std::string, NonBondedInteractionTypeEnum>::iterator i; |
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i = stringToEnumMap_.find(str); |
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|
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return i == stringToEnumMap_.end() ? Unknown : i->second; |
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} |
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|
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} //end namespace OpenMD |
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|