| 1 | /* | 
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| 2 | * linkedcell.hpp | 
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| 3 | * | 
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| 4 | *  If the linked cell should be usable, the class has to inherit LCNodeSet and the nodes (containing the Vectors) have to inherit LCNode. This works well | 
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| 5 | *  for molecule and atom classes. | 
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| 6 | * | 
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| 7 | *  Created on: Aug 3, 2009 | 
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| 8 | *      Author: heber | 
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| 9 | */ | 
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| 10 |  | 
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| 11 | #ifndef LINKEDCELL_HPP_ | 
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| 12 | #define LINKEDCELL_HPP_ | 
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| 13 |  | 
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| 14 | using namespace std; | 
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| 15 |  | 
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| 16 | /*********************************************** includes ***********************************/ | 
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| 17 |  | 
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| 18 | // include config.h | 
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| 19 | #ifdef HAVE_CONFIG_H | 
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| 20 | #include <config.h> | 
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| 21 | #endif | 
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| 22 |  | 
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| 23 | #include <list> | 
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| 24 |  | 
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| 25 | #include "defs.hpp" | 
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| 26 | #include "vector.hpp" | 
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| 27 |  | 
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| 28 | /****************************************** forward declarations *****************************/ | 
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| 29 |  | 
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| 30 | class PointCloud; | 
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| 31 | class TesselPoint; | 
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| 32 |  | 
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| 33 | /********************************************** definitions *********************************/ | 
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| 34 |  | 
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| 35 | #define LinkedNodes list<TesselPoint *> | 
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| 36 |  | 
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| 37 | /********************************************** declarations *******************************/ | 
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| 38 |  | 
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| 39 | /** Linked Cell class for containing Vectors in real space efficiently. | 
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| 40 | */ | 
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| 41 | class LinkedCell { | 
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| 42 | public: | 
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| 43 | Vector max;       // upper boundary | 
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| 44 | Vector min;       // lower boundary | 
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| 45 | LinkedNodes *LC;  // linked cell list | 
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| 46 | double RADIUS;    // cell edge length | 
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| 47 | int N[NDIM];      // number of cells per axis | 
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| 48 | mutable int n[NDIM];      // temporary variable for current cell per axis | 
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| 49 | mutable int index;        // temporary index variable , access by index = n[0] * N[1] * N[2] + n[1] * N[2] + n[2]; | 
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| 50 |  | 
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| 51 | LinkedCell(); | 
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| 52 | LinkedCell(const  PointCloud * const set, const double RADIUS); | 
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| 53 | LinkedCell(LinkedNodes *set, const double radius); | 
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| 54 | ~LinkedCell(); | 
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| 55 | const LinkedNodes* GetCurrentCell()const ; | 
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| 56 | const LinkedNodes* GetRelativeToCurrentCell(const int relative[NDIM])const ; | 
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| 57 | bool SetIndexToNode(const TesselPoint * const Walker)const ; | 
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| 58 | bool SetIndexToVector(const Vector * const x)const ; | 
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| 59 | bool CheckBounds()const ; | 
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| 60 | bool CheckBounds(const int relative[NDIM])const ; | 
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| 61 | void GetNeighbourBounds(int lower[NDIM], int upper[NDIM])const ; | 
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| 62 |  | 
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| 63 | // not implemented yet | 
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| 64 | bool AddNode(Vector *Walker); | 
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| 65 | bool DeleteNode(Vector *Walker); | 
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| 66 | bool MoveNode(Vector *Walker); | 
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| 67 | }; | 
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| 68 |  | 
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| 69 | #endif /*LINKEDCELL_HPP_*/ | 
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