1 | /*
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2 | * LinkedCell_Controller.hpp
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3 | *
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4 | * Created on: Nov 15, 2011
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5 | * Author: heber
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6 | */
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7 |
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8 | #ifndef LINKEDCELL_CONTROLLER_HPP_
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9 | #define LINKEDCELL_CONTROLLER_HPP_
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10 |
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11 | // include config.h
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12 | #ifdef HAVE_CONFIG_H
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13 | #include <config.h>
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14 | #endif
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15 |
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16 | #include <map>
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17 |
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18 | #include "CodePatterns/Range.hpp"
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19 | #include "LinkedCell/LinkedCell_View.hpp"
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20 |
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21 | class LinkedCell_ControllerTest;
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22 |
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23 | namespace LinkedCell {
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24 |
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25 | class LinkedCell_Model;
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26 |
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27 | /** This is the controller in the MVC ansatz for the LinkedCell structure.
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28 | *
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29 | * \sa linkedcell
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30 | *
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31 | * The Controller contains multiple models (i.e. LinkedCell instances) and he
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32 | * takes care that the view (the interface) can give its functionality with
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33 | * low computational complexity.
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34 | *
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35 | * Here, it contains multiple LinkedCell models, each with different edge
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36 | * lengths of the inherent mesh. You request a LinkedCell instance from the
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37 | * controller, but you basically just receive a const interface reference
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38 | * to a present LinkedCell instance.
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39 | *
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40 | */
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41 | class LinkedCell_Controller
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42 | {
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43 | //!> grant unit tests access to internal parts
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44 | friend class ::LinkedCell_ControllerTest;
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45 | public:
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46 | LinkedCell_Controller(const Box &_domain);
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47 | ~LinkedCell_Controller();
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48 |
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49 | LinkedCell_View getView(const double distance);
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50 |
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51 | private:
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52 | const LinkedCell_Model * getBestModel(const double distance) const;
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53 | const range<double> getHeuristicRange(const double distance) const;
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54 | void insertNewModel(const double edgelength, LinkedCell_Model*& instance);
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55 |
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56 | private:
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57 | //!> typedef for the (edge length, model) map
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58 | typedef std::map<double, LinkedCell_Model* > MapEdgelengthModel;
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59 |
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60 | //!> internal map of present LinkedCell_Model instances by their egde length
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61 | MapEdgelengthModel ModelsMap;
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62 |
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63 | //!> lower threshold below which no new instances are generated.
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64 | static double lower_threshold;
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65 |
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66 | //!> upper threshold above which no new instances are generated.
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67 | static double upper_threshold;
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68 |
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69 | //!> internal reference to domain required for constructing LinkedCell_Model instances.
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70 | const Box &domain;
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71 | };
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72 |
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73 | }
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74 |
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75 | #endif /* LINKEDCELL_CONTROLLER_HPP_ */
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