| 1 | gezelter | 246 | /* | 
| 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 Integrator.hpp | 
| 44 |  |  | * @author tlin | 
| 45 |  |  | * @date 11/08/2004 | 
| 46 |  |  | * @time 13:25am | 
| 47 |  |  | * @version 1.0 | 
| 48 |  |  | */ | 
| 49 | gezelter | 2 |  | 
| 50 | gezelter | 246 | #ifndef INTEGRATORS_INTEGRATOR_HPP | 
| 51 |  |  | #define INTEGRATORS_INTEGRATOR_HPP | 
| 52 | gezelter | 2 |  | 
| 53 | gezelter | 246 | #include "brains/ForceManager.hpp" | 
| 54 |  |  | #include "io/DumpWriter.hpp" | 
| 55 |  |  | #include "io/StatWriter.hpp" | 
| 56 |  |  | #include "integrators/Velocitizer.hpp" | 
| 57 | gezelter | 2 |  | 
| 58 | gezelter | 246 | namespace oopse { | 
| 59 | gezelter | 2 |  | 
| 60 |  |  |  | 
| 61 | gezelter | 246 | /** | 
| 62 |  |  | * @class Integrator Integrator.hpp "integrators/Integrator.hpp" | 
| 63 |  |  | * @brief Base class of Integrator | 
| 64 |  |  | * @todo document | 
| 65 |  |  | */ | 
| 66 |  |  | class Integrator { | 
| 67 |  |  | public: | 
| 68 | gezelter | 2 |  | 
| 69 | gezelter | 246 | virtual ~Integrator(); | 
| 70 | gezelter | 2 |  | 
| 71 | gezelter | 246 | //avoid public virtual function | 
| 72 |  |  | void integrate() { | 
| 73 |  |  | doIntegrate(); | 
| 74 |  |  | } | 
| 75 | gezelter | 2 |  | 
| 76 | gezelter | 246 | void update() { | 
| 77 |  |  | doUpdate(); | 
| 78 |  |  | } | 
| 79 | gezelter | 2 |  | 
| 80 | gezelter | 246 | void setForceManager(ForceManager* forceMan) { | 
| 81 |  |  | if (forceMan_ != forceMan && forceMan_  != NULL) { | 
| 82 |  |  | delete forceMan_; | 
| 83 |  |  | } | 
| 84 |  |  | forceMan_ = forceMan; | 
| 85 |  |  | } | 
| 86 | gezelter | 2 |  | 
| 87 | gezelter | 246 | void setVelocitizer(Velocitizer* velocitizer) { | 
| 88 |  |  | if (velocitizer_ != velocitizer && velocitizer_  != NULL) { | 
| 89 |  |  | delete velocitizer_; | 
| 90 |  |  | } | 
| 91 |  |  | velocitizer_  = velocitizer; | 
| 92 |  |  | } | 
| 93 |  |  |  | 
| 94 |  |  | protected: | 
| 95 | gezelter | 2 |  | 
| 96 | gezelter | 246 | Integrator(SimInfo* info); | 
| 97 | gezelter | 2 |  | 
| 98 | gezelter | 246 | virtual void doIntegrate() = 0; | 
| 99 | gezelter | 2 |  | 
| 100 | gezelter | 246 | virtual void doUpdate() {} | 
| 101 |  |  |  | 
| 102 |  |  | void saveConservedQuantity() { | 
| 103 |  |  | currentSnapshot_->statData[Stats::CONSERVED_QUANTITY] = calcConservedQuantity(); | 
| 104 |  |  | } | 
| 105 |  |  |  | 
| 106 |  |  | SimInfo* info_; | 
| 107 |  |  | ForceManager* forceMan_; | 
| 108 |  |  | bool needPotential; | 
| 109 |  |  | bool needStress; | 
| 110 |  |  |  | 
| 111 |  |  | Velocitizer* velocitizer_; | 
| 112 |  |  | bool needVelocityScaling; | 
| 113 |  |  | double targetScalingTemp; | 
| 114 |  |  |  | 
| 115 |  |  | DumpWriter*dumpWriter; | 
| 116 |  |  | StatWriter* statWriter; | 
| 117 |  |  | Thermo thermo; | 
| 118 | gezelter | 2 |  | 
| 119 | gezelter | 246 | double runTime; | 
| 120 |  |  | double sampleTime; | 
| 121 |  |  | double statusTime; | 
| 122 |  |  | double thermalTime; | 
| 123 |  |  | double dt; | 
| 124 | gezelter | 2 |  | 
| 125 | gezelter | 246 | Snapshot* currentSnapshot_; //During the integration, the address of currentSnapshot Will not change | 
| 126 | gezelter | 2 |  | 
| 127 | gezelter | 246 |  | 
| 128 | gezelter | 2 | private: | 
| 129 | gezelter | 246 |  | 
| 130 |  |  | virtual double calcConservedQuantity() = 0; | 
| 131 |  |  |  | 
| 132 |  |  | virtual DumpWriter* createDumpWriter() = 0; | 
| 133 |  |  |  | 
| 134 |  |  | virtual StatWriter* createStatWriter() = 0; | 
| 135 | gezelter | 2 | }; | 
| 136 |  |  |  | 
| 137 |  |  |  | 
| 138 | gezelter | 246 | } | 
| 139 |  |  | #endif //INTEGRATORS_INTEGRATOR_HPP |