| 1 | gezelter | 507 | /* | 
| 2 | gezelter | 246 | * 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 | gezelter | 1390 | * 1. Redistributions of source code must retain the above copyright | 
| 10 | gezelter | 246 | *    notice, this list of conditions and the following disclaimer. | 
| 11 |  |  | * | 
| 12 | gezelter | 1390 | * 2. Redistributions in binary form must reproduce the above copyright | 
| 13 | gezelter | 246 | *    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 | gezelter | 1390 | * | 
| 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]  Vardeman & Gezelter, in progress (2009). | 
| 40 | gezelter | 246 | */ | 
| 41 |  |  |  | 
| 42 |  |  | #include "brains/Snapshot.hpp" | 
| 43 | tim | 3 | #include "integrators/Integrator.hpp" | 
| 44 |  |  | #include "utils/simError.h" | 
| 45 | gezelter | 1390 | namespace OpenMD { | 
| 46 | gezelter | 507 | Integrator::Integrator(SimInfo* info) | 
| 47 | chrisfen | 993 | : info_(info), forceMan_(NULL) , needPotential(false), needStress(false), | 
| 48 |  |  | needReset(false), velocitizer_(NULL), needVelocityScaling(false), | 
| 49 | gezelter | 1329 | rnemd_(NULL), useRNEMD(false), | 
| 50 | chrisfen | 993 | dumpWriter(NULL), statWriter(NULL), thermo(info), | 
| 51 | gezelter | 246 | currentSnapshot_(info->getSnapshotManager()->getCurrentSnapshot()) { | 
| 52 | gezelter | 2 |  | 
| 53 | gezelter | 507 | simParams = info->getSimParams(); | 
| 54 | gezelter | 2 |  | 
| 55 | gezelter | 507 | if (simParams->haveDt()) { | 
| 56 | gezelter | 246 | dt = simParams->getDt(); | 
| 57 | gezelter | 507 | } else { | 
| 58 |  |  | sprintf(painCave.errMsg, | 
| 59 |  |  | "Integrator Error: dt is not set\n"); | 
| 60 |  |  | painCave.isFatal = 1; | 
| 61 |  |  | simError(); | 
| 62 |  |  | } | 
| 63 | gezelter | 246 |  | 
| 64 | gezelter | 507 | if (simParams->haveRunTime()) { | 
| 65 | gezelter | 246 | runTime = simParams->getRunTime(); | 
| 66 | gezelter | 507 | } else { | 
| 67 |  |  | sprintf(painCave.errMsg, | 
| 68 |  |  | "Integrator Error: runTime is not set\n"); | 
| 69 |  |  | painCave.isFatal = 1; | 
| 70 |  |  | simError(); | 
| 71 |  |  | } | 
| 72 |  |  | // set the status, sample, and thermal kick times | 
| 73 |  |  | if (simParams->haveSampleTime()){ | 
| 74 | gezelter | 246 | sampleTime = simParams->getSampleTime(); | 
| 75 |  |  | statusTime = sampleTime; | 
| 76 | gezelter | 507 | } else{ | 
| 77 | gezelter | 246 | sampleTime = simParams->getRunTime(); | 
| 78 |  |  | statusTime = sampleTime; | 
| 79 | gezelter | 507 | } | 
| 80 | gezelter | 2 |  | 
| 81 | gezelter | 507 | if (simParams->haveStatusTime()){ | 
| 82 | gezelter | 246 | statusTime = simParams->getStatusTime(); | 
| 83 | gezelter | 507 | } | 
| 84 | gezelter | 2 |  | 
| 85 | gezelter | 507 | if (simParams->haveThermalTime()){ | 
| 86 | gezelter | 246 | thermalTime = simParams->getThermalTime(); | 
| 87 | gezelter | 507 | } else { | 
| 88 | gezelter | 246 | thermalTime = simParams->getRunTime(); | 
| 89 | gezelter | 507 | } | 
| 90 | gezelter | 2 |  | 
| 91 | tim | 665 | if (!simParams->getUseInitalTime()) { | 
| 92 | gezelter | 246 | currentSnapshot_->setTime(0.0); | 
| 93 | gezelter | 507 | } | 
| 94 | tim | 546 |  | 
| 95 |  |  | if (simParams->haveResetTime()) { | 
| 96 |  |  | needReset = true; | 
| 97 |  |  | resetTime = simParams->getResetTime(); | 
| 98 |  |  | } | 
| 99 |  |  |  | 
| 100 | chrisfen | 993 | // Create a default ForceManager: If the subclass wants to use | 
| 101 |  |  | // a different ForceManager, use setForceManager | 
| 102 | gezelter | 507 | forceMan_ = new ForceManager(info); | 
| 103 | gezelter | 2 |  | 
| 104 | gezelter | 507 | // check for the temperature set flag (velocity scaling) | 
| 105 |  |  | if (simParams->haveTempSet()) { | 
| 106 | gezelter | 246 | needVelocityScaling = simParams->getTempSet(); | 
| 107 | gezelter | 2 |  | 
| 108 | gezelter | 246 | if (simParams->haveTargetTemp()) { | 
| 109 | gezelter | 507 | targetScalingTemp = simParams->getTargetTemp(); | 
| 110 | gezelter | 246 | } | 
| 111 |  |  | else { | 
| 112 | gezelter | 507 | sprintf(painCave.errMsg, | 
| 113 |  |  | "Integrator Error: Target Temperature is not set\n"); | 
| 114 |  |  | painCave.isFatal = 1; | 
| 115 |  |  | simError(); | 
| 116 | gezelter | 2 |  | 
| 117 |  |  | } | 
| 118 | gezelter | 507 | } | 
| 119 | gezelter | 1343 |  | 
| 120 | chrisfen | 993 | // Create a default a velocitizer: If the subclass wants to use | 
| 121 |  |  | // a different velocitizer, use setVelocitizer | 
| 122 | gezelter | 507 | velocitizer_ = new Velocitizer(info); | 
| 123 | gezelter | 2 |  | 
| 124 | gezelter | 1343 | if (simParams->haveUseRNEMD()) { | 
| 125 |  |  | if (simParams->getUseRNEMD()) { | 
| 126 |  |  | // Create a default a RNEMD. | 
| 127 |  |  | rnemd_ = new RNEMD(info); | 
| 128 |  |  | useRNEMD = simParams->getUseRNEMD(); | 
| 129 | skuang | 1368 | if (simParams->haveRNEMD_exchangeTime()) { | 
| 130 |  |  | RNEMD_exchangeTime = simParams->getRNEMD_exchangeTime(); | 
| 131 | gezelter | 1343 | } | 
| 132 |  |  | } | 
| 133 |  |  | } | 
| 134 |  |  | } | 
| 135 |  |  |  | 
| 136 | gezelter | 507 | Integrator::~Integrator(){ | 
| 137 | gezelter | 246 | delete forceMan_; | 
| 138 |  |  | delete velocitizer_; | 
| 139 | skuang | 1330 | delete rnemd_; | 
| 140 | gezelter | 246 |  | 
| 141 |  |  | delete dumpWriter; | 
| 142 |  |  | delete statWriter; | 
| 143 | gezelter | 507 | } | 
| 144 | gezelter | 2 |  | 
| 145 |  |  |  | 
| 146 |  |  | } | 
| 147 |  |  |  |