1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // vector.c -- |
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8 | // |
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9 | // Author : Thierry Delisle |
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10 | // Created On : Tue Jul 5 18:07:52 2016 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Tue Jul 5 18:08:31 2016 |
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13 | // Update Count : 2 |
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14 | // |
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15 | |
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16 | #include <containers/vector> |
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17 | |
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18 | #include <stdlib> |
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19 | |
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20 | //------------------------------------------------------------------------------ |
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21 | //Initialization |
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22 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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23 | void ctor(vector(T, allocator_t) *const this) |
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24 | { |
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25 | ctor(&this->storage); |
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26 | this->size = 0; |
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27 | } |
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28 | |
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29 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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30 | void dtor(vector(T, allocator_t) *const this) |
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31 | { |
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32 | clear(this); |
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33 | dtor(&this->storage); |
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34 | } |
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35 | |
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36 | //------------------------------------------------------------------------------ |
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37 | //Modifiers |
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38 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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39 | void push_back(vector(T, allocator_t) *const this, T value) |
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40 | { |
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41 | realloc_storage(&this->storage, this->size+1); |
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42 | data(&this->storage)[this->size] = value; |
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43 | this->size++; |
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44 | } |
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45 | |
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46 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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47 | void pop_back(vector(T, allocator_t) *const this) |
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48 | { |
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49 | this->size--; |
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50 | DESTROY(data(&this->storage)[this->size]); |
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51 | } |
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52 | |
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53 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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54 | void clear(vector(T, allocator_t) *const this) |
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55 | { |
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56 | for(size_t i = 0; i < this->size; i++) |
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57 | { |
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58 | DESTROY(data(&this->storage)[this->size]); |
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59 | } |
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60 | this->size = 0; |
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61 | } |
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62 | |
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63 | //------------------------------------------------------------------------------ |
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64 | //Allocator |
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65 | forall(otype T) |
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66 | void ctor(heap_allocator(T) *const this) |
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67 | { |
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68 | this->storage = 0; |
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69 | this->capacity = 0; |
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70 | } |
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71 | |
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72 | forall(otype T) |
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73 | void dtor(heap_allocator(T) *const this) |
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74 | { |
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75 | free(this->storage); |
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76 | } |
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77 | |
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78 | forall(otype T) |
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79 | inline void realloc_storage(heap_allocator(T) *const this, size_t size) |
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80 | { |
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81 | enum { GROWTH_RATE = 2 }; |
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82 | if(size > this->capacity) |
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83 | { |
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84 | this->capacity = GROWTH_RATE * size; |
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85 | this->storage = (T*)realloc((void*)this->storage, this->capacity * sizeof(T)); |
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86 | } |
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87 | } |
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88 | |
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89 | // Local Variables: // |
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90 | // mode: c // |
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91 | // tab-width: 4 // |
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92 | // End: // |
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