Last change
on this file since 135 was
88,
checked in by rosiere, 16 years ago
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Almost complete design
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File size:
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1 | #ifndef Morpheo_Max_h |
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2 | #define Morpheo_Max_h |
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3 | |
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4 | /* |
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5 | * $Id: Max.h 88 2008-12-10 18:31:39Z rosiere $ |
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6 | * |
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7 | * [ Description ] |
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8 | * |
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9 | */ |
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10 | |
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11 | #include <stdint.h> |
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12 | |
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13 | namespace morpheo { |
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14 | |
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15 | template<typename T> inline T max (T * x, uint32_t size) |
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16 | { |
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17 | T res = x[0]; |
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18 | |
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19 | for (uint32_t i=1; i<size; i++) |
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20 | { |
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21 | T tmp = x[i]; |
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22 | if (res<tmp) |
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23 | res = tmp; |
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24 | } |
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25 | |
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26 | return res; |
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27 | } |
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28 | |
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29 | template<typename T> inline T max (T ** x, uint32_t size1, uint32_t size2) |
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30 | { |
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31 | T res = max(x[0],size2); |
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32 | |
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33 | for (uint32_t i=1; i<size1; i++) |
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34 | { |
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35 | T tmp = max(x[i],size2); |
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36 | if (res<tmp) |
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37 | res = tmp; |
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38 | } |
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39 | |
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40 | return res; |
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41 | } |
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42 | |
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43 | template<typename T> inline T max (T ** x, uint32_t size1, uint32_t * size2) |
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44 | { |
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45 | T res = max(x[0],size2[0]); |
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46 | |
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47 | for (uint32_t i=1; i<size1; i++) |
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48 | { |
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49 | T tmp = max(x[i],size2[i]); |
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50 | if (res<tmp) |
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51 | res = tmp; |
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52 | } |
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53 | |
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54 | return res; |
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55 | } |
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56 | |
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57 | |
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58 | template<typename T> inline T max (T * x, uint32_t size, uint32_t n) |
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59 | { |
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60 | if ((n==0) or (n>size)) |
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61 | return max<T>(x,size); |
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62 | |
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63 | // validity array |
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64 | bool val [size]; |
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65 | for (uint32_t i=0; i<size; i++) |
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66 | val [i] = true; |
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67 | |
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68 | // find min |
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69 | T min = x[0]; |
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70 | |
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71 | for (uint32_t i=1; i<size; i++) |
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72 | if (min>x[i]) |
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73 | min = x[i]; |
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74 | |
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75 | // find n max |
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76 | T res = min; |
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77 | for (uint32_t i=0; i<n; i++) |
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78 | { |
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79 | |
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80 | uint32_t index = 0; |
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81 | res = min; // always take the minor |
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82 | for (uint32_t j=0; j<size; j++) |
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83 | if ((res<x[j]) and val[j]) // find greater value, and slot is valid |
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84 | { |
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85 | res = x[j]; |
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86 | index = j; |
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87 | } |
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88 | val [index] = false; // invalid this value |
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89 | } |
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90 | |
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91 | return res; |
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92 | } |
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93 | |
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94 | |
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95 | }; // end namespace morpheo |
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96 | |
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97 | #endif |
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