1 | package de.ugoe.cs.autoquest.tasktrees.alignment.matrix; |
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2 | |
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3 | import java.util.ArrayList; |
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4 | |
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5 | //Must be initialized! |
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6 | public class DynamicTriangleMatrix implements ITriangleMatrix { |
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7 | |
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8 | private ArrayList<Float> matrix; |
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9 | protected int size; |
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10 | private float initalizationValue; |
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11 | |
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12 | |
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13 | |
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14 | //Increases the size |
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15 | /* (non-Javadoc) |
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16 | * @see de.ugoe.cs.autoquest.tasktrees.alignment.matrix.ITriangleMatrix#increaseSize(int) |
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17 | */ |
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18 | @Override |
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19 | public void increaseSize(int count) { |
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20 | int oldsize = size; |
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21 | this.size += count; |
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22 | matrix.ensureCapacity(size*(size+1/2)); |
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23 | for(int i=0;i<(oldsize*count)+(count*(count+1)/2);i++) { |
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24 | matrix.add(this.initalizationValue); |
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25 | } |
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26 | } |
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27 | |
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28 | |
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29 | public DynamicTriangleMatrix(int size) { |
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30 | this.size = size; |
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31 | matrix = new ArrayList<Float>(); |
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32 | matrix.ensureCapacity(size*(size+1/2)); |
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33 | } |
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34 | |
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35 | |
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36 | /* (non-Javadoc) |
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37 | * @see de.ugoe.cs.autoquest.tasktrees.alignment.matrix.ITriangleMatrix#get(int, int) |
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38 | */ |
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39 | @Override |
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40 | public float get(int first, int second) { |
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41 | int row = Math.min(first, second); |
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42 | int col = Math.max(first, second); |
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43 | return matrix.get(row*size-(row*(row+1)/2 - (size-col))); |
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44 | |
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45 | } |
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46 | |
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47 | /* (non-Javadoc) |
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48 | * @see de.ugoe.cs.autoquest.tasktrees.alignment.matrix.ITriangleMatrix#set(int, int, float) |
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49 | */ |
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50 | @Override |
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51 | public void set(int first, int second, float value) { |
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52 | int row = Math.min(first, second); |
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53 | int col = Math.max(first, second); |
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54 | matrix.set(row*size-(row*(row+1)/2 - (size-col)),value); |
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55 | } |
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56 | |
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57 | /* (non-Javadoc) |
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58 | * @see de.ugoe.cs.autoquest.tasktrees.alignment.matrix.ITriangleMatrix#initialize(float) |
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59 | */ |
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60 | @Override |
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61 | public void initialize(float value) { |
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62 | this.initalizationValue = value; |
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63 | matrix.clear(); |
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64 | for (int i=0; i < this.size*(this.size+1)/2; i++) { |
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65 | matrix.add(value); |
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66 | } |
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67 | } |
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68 | |
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69 | |
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70 | /* (non-Javadoc) |
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71 | * @see de.ugoe.cs.autoquest.tasktrees.alignment.matrix.ITriangleMatrix#toString() |
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72 | */ |
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73 | @Override |
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74 | public String toString() { |
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75 | String result = ""; |
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76 | for (int i = 0; i < size; i++) { |
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77 | for(int j = 0; j< size; j++) { |
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78 | if(i<j) { |
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79 | if(Float.isInfinite(this.get(i,j))) { |
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80 | result = result + " -------"; |
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81 | } |
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82 | else { |
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83 | result = result + String.format("%+8.2f",this.get(i,j)); |
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84 | } |
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85 | } |
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86 | else { |
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87 | result = result + (" "); |
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88 | } |
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89 | } |
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90 | result = result + "\n"; |
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91 | } |
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92 | return result; |
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93 | } |
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94 | |
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95 | |
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96 | @Override |
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97 | public int size() { |
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98 | return size; |
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99 | } |
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100 | } |
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