diff options
Diffstat (limited to 'libvector.c')
| -rw-r--r-- | libvector.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/libvector.c b/libvector.c new file mode 100644 index 0000000..b113abe --- /dev/null +++ b/libvector.c | |||
| @@ -0,0 +1,121 @@ | |||
| 1 | #include <stdio.h> | ||
| 2 | #include <stdlib.h> | ||
| 3 | #include "vector.h" | ||
| 4 | |||
| 5 | vector_t vector_init(int size){ | ||
| 6 | vector_t vec; | ||
| 7 | vec.max_size = size; | ||
| 8 | vec.arr = malloc(sizeof(int)*vec.max_size); | ||
| 9 | vec.cur_size = 0; | ||
| 10 | return vec; | ||
| 11 | } | ||
| 12 | |||
| 13 | int size(vector_t vec){ | ||
| 14 | return vec.cur_size; | ||
| 15 | } | ||
| 16 | |||
| 17 | int capacity(vector_t vec){ | ||
| 18 | return vec.max_size; | ||
| 19 | } | ||
| 20 | |||
| 21 | int is_empty(vector_t vec){ | ||
| 22 | if (vec.cur_size == 0){ | ||
| 23 | return 1; | ||
| 24 | } | ||
| 25 | return 0; | ||
| 26 | } | ||
| 27 | |||
| 28 | int is_full(vector_t vec){ | ||
| 29 | if (vec.cur_size >= vec.max_size){ | ||
| 30 | return 1; | ||
| 31 | } | ||
| 32 | return 0; | ||
| 33 | } | ||
| 34 | |||
| 35 | int at(vector_t vec, int index){ | ||
| 36 | if (index >= vec.max_size){ | ||
| 37 | printf("Index out of bound!!\n"); | ||
| 38 | exit(1); | ||
| 39 | } | ||
| 40 | |||
| 41 | return vec.arr[index]; | ||
| 42 | } | ||
| 43 | |||
| 44 | void push(vector_t *vec, int value){ | ||
| 45 | if (is_full(*vec)){ | ||
| 46 | printf("Array out of Size!!\n\ | ||
| 47 | Can't push!! \n\ | ||
| 48 | Not yet implemented resize!!\n"); | ||
| 49 | exit(1); | ||
| 50 | } | ||
| 51 | |||
| 52 | vec->arr[vec->cur_size] = value; | ||
| 53 | vec->cur_size++; | ||
| 54 | } | ||
| 55 | |||
| 56 | void insert(vector_t *vec, int index, int val){ | ||
| 57 | if (is_full(*vec)){ | ||
| 58 | printf("Array out of Size!!\n\ | ||
| 59 | Can't insert!\n\ | ||
| 60 | Not yet implemented resize!!\n"); | ||
| 61 | exit(1); | ||
| 62 | } | ||
| 63 | |||
| 64 | int tmp; | ||
| 65 | for (int i = index; i <= vec->cur_size; i++){ | ||
| 66 | tmp = val; | ||
| 67 | val = vec->arr[i]; | ||
| 68 | vec->arr[i] = tmp; | ||
| 69 | } | ||
| 70 | vec->cur_size += 1; | ||
| 71 | } | ||
| 72 | |||
| 73 | void delete_vec(vector_t *vec, int index){ | ||
| 74 | if (!(index < vec->cur_size)){ | ||
| 75 | printf("Invalid Index!\nFailed to Delete Element\n"); | ||
| 76 | exit(-1); | ||
| 77 | } | ||
| 78 | int len = vec->cur_size - 1; | ||
| 79 | |||
| 80 | for (int i = index; i < len; i++){ | ||
| 81 | vec->arr[i] = vec->arr[i+1]; | ||
| 82 | } | ||
| 83 | |||
| 84 | vec->cur_size = vec->cur_size - 1; | ||
| 85 | } | ||
| 86 | |||
| 87 | void remove_val(vector_t *vec, int value){ | ||
| 88 | int i = 0; | ||
| 89 | while (i < vec->cur_size){ | ||
| 90 | if (vec->arr[i] == value){ | ||
| 91 | delete_vec(vec, i); | ||
| 92 | continue; | ||
| 93 | } | ||
| 94 | i++; | ||
| 95 | } | ||
| 96 | } | ||
| 97 | |||
| 98 | void prepend(vector_t *vec, int value){ | ||
| 99 | insert(vec, 0, value); | ||
| 100 | } | ||
| 101 | |||
| 102 | int pop(vector_t *vec){ | ||
| 103 | // remove item at the end, return value | ||
| 104 | int ret = vec->arr[vec->cur_size-1]; | ||
| 105 | vec->cur_size--; | ||
| 106 | return ret; | ||
| 107 | } | ||
| 108 | |||
| 109 | void print_vec(vector_t vec){ | ||
| 110 | printf("["); | ||
| 111 | for (int i = 0; i < vec.cur_size; i++){ | ||
| 112 | printf("%d ", vec.arr[i]); | ||
| 113 | |||
| 114 | } | ||
| 115 | printf("]\n"); | ||
| 116 | } | ||
| 117 | |||
| 118 | void destroy_vec(vector_t *vec){ | ||
| 119 | free(vec->arr); | ||
| 120 | } | ||
| 121 | |||
