| 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. 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]  Vardeman & Gezelter, in progress (2009). | 
| 40 | */ | 
| 41 |  | 
| 42 | #ifndef PARALLEL_FORCEMATRIXDECOMPOSITION_HPP | 
| 43 | #define PARALLEL_FORCEMATRIXDECOMPOSITION_HPP | 
| 44 |  | 
| 45 | #include "Parallel/ForceDecomposition.hpp" | 
| 46 | #include "math/SquareMatrix3.hpp" | 
| 47 |  | 
| 48 | #ifdef IS_MPI | 
| 49 | #include "Parallel/Communicator.hpp" | 
| 50 | #endif | 
| 51 |  | 
| 52 | using namespace std; | 
| 53 | namespace OpenMD { | 
| 54 |  | 
| 55 | class ForceMatrixDecomposition : public ForceDecomposition { | 
| 56 | public: | 
| 57 | ForceMatrixDecomposition(SimInfo* info) : ForceDecomposition(info) {sman_ = info_->getSnapshotManager();} | 
| 58 | void distributeInitialData(); | 
| 59 | void distributeData(); | 
| 60 | void collectIntermediateData(); | 
| 61 | void distributeIntermediateData(); | 
| 62 | void collectData(); | 
| 63 |  | 
| 64 | // neighbor list routines | 
| 65 | bool checkNeighborList(); | 
| 66 | vector<pair<int, int> >  buildNeighborList(); | 
| 67 |  | 
| 68 | // group bookkeeping | 
| 69 | pair<int, int> getGroupTypes(int cg1, int cg2); | 
| 70 |  | 
| 71 | // Group->atom bookkeeping | 
| 72 | vector<int> getAtomsInGroupRow(int cg1); | 
| 73 | vector<int> getAtomsInGroupColumn(int cg2); | 
| 74 | Vector3d getAtomToGroupVectorRow(int atom1, int cg1); | 
| 75 | Vector3d getAtomToGroupVectorColumn(int atom2, int cg2); | 
| 76 | RealType getMfactRow(int atom1); | 
| 77 | RealType getMfactColumn(int atom2); | 
| 78 |  | 
| 79 | // spatial data | 
| 80 | Vector3d getIntergroupVector(int cg1, int cg2); | 
| 81 | Vector3d getInteratomicVector(int atom1, int atom2); | 
| 82 |  | 
| 83 | // atom bookkeeping | 
| 84 | vector<int> getAtomList(); | 
| 85 | vector<int> getSkipsForAtom(int atom1); | 
| 86 | bool skipAtomPair(int atom1, int atom2); | 
| 87 | void addForceToAtomRow(int atom1, Vector3d fg); | 
| 88 | void addForceToAtomColumn(int atom2, Vector3d fg); | 
| 89 |  | 
| 90 | // filling interaction blocks with pointers | 
| 91 | InteractionData fillInteractionData(int atom1, int atom2); | 
| 92 | InteractionData fillSkipData(int atom1, int atom2); | 
| 93 | SelfData fillSelfData(int atom1); | 
| 94 |  | 
| 95 | private: | 
| 96 | SnapshotManager* sman_; | 
| 97 | #ifdef IS_MPI | 
| 98 | Communicator<Row, int>* AtomCommIntRow; | 
| 99 | Communicator<Row, RealType>* AtomCommRealRow; | 
| 100 | Communicator<Row, Vector3d>* AtomCommVectorRow; | 
| 101 | Communicator<Row, Mat3x3d>*  AtomCommMatrixRow; | 
| 102 |  | 
| 103 | Communicator<Column, int>* AtomCommIntColumn; | 
| 104 | Communicator<Column, RealType>* AtomCommRealColumn; | 
| 105 | Communicator<Column, Vector3d>* AtomCommVectorColumn; | 
| 106 | Communicator<Column, Mat3x3d>*  AtomCommMatrixColumn; | 
| 107 |  | 
| 108 | Communicator<Row, int>* cgCommIntRow; | 
| 109 | Communicator<Row, Vector3d>* cgCommVectorRow; | 
| 110 | Communicator<Column, int>* cgCommIntColumn; | 
| 111 | Communicator<Column, Vector3d>* cgCommVectorColumn; | 
| 112 |  | 
| 113 | vector<vector<RealType> > pot_row; | 
| 114 | vector<vector<RealType> > pot_col; | 
| 115 | vector<int> identsRow; | 
| 116 | vector<int> identsCol; | 
| 117 |  | 
| 118 | vector<int> AtomLocalToGlobal; | 
| 119 | vector<int> AtomRowToGlobal; | 
| 120 | vector<int> AtomColToGlobal; | 
| 121 | vector<int> cgLocalToGlobal; | 
| 122 | vector<int> cgRowToGlobal; | 
| 123 | vector<int> cgColToGlobal; | 
| 124 | #endif | 
| 125 | vector<RealType> pot_local; | 
| 126 | }; | 
| 127 |  | 
| 128 | } | 
| 129 | #endif | 
| 130 |  |