int main(){
//iteradores
int i,j,q;
double times[100];
FILE *temp, *gnu;
//inicializando a semente de GNA
srand( (unsigned)time(NULL) );
//inicializando raiz
struct node *root = __init_node();
root->name = "raiz";
root->age = 10000;
struct node *tmp = __init_node();
root->next=tmp;
//preenchendo os demais nós
for(i=1;i<100000;i++){
tmp->name = "tt";
tmp->age = i;
struct node *aux = __init_node();
tmp->next = aux;
tmp = aux;
}
clock_t t;
char *n;
int time,s=1000;
//obtendo tempos de pesquisa
for(i=0;i<100;i++){
printf("Indo de %d a %d...\n",i*1000,(i+1)*1000-1);
for(q=0;q<100;q++){
tmp = root;
time = (rand() % 1000) + (i*1000);
t = clock();
for(j=0;j<time;j++){
tmp = tmp->next;
}
t = clock() - t;
times[i] += ((double)t)/CLOCKS_PER_SEC;
}
}
temp = fopen("data.txt","w");
gnu = popen("gnuplot -persistent","w");
for(i=0;i<100;i++){
times[i] = times[i]/100.0;
printf("Media do tempo %d: %lf seg\n",i,times[i]);
fprintf(temp,"%d %lf\n",i,times[i]);
}
fprintf(gnu,"set title \"ACESSOS À MEMÓRIA EM C NO LINUX\"\n");
fprintf(gnu,"plot 'data.txt' with lines\n");
return 0;
}
int dlist_append(dlist_t *thiz, void *data)
{
node_t *n;
if (NULL == (n = __init_node(data, thiz->size)))
goto err0;
if (NULL == thiz->head)
{
n->next = n;
n->prev = n;
thiz->head = n;
}
else
{
n->next = thiz->head;
n->prev = thiz->head->prev;
n->prev->next = n;
n->next->prev = n;
}
thiz->count++;
return 0;
err0:
return -1;
}
int dlist_insert_sort(dlist_t *thiz, void *data, dlist_cmp_t cmp)
{
int i;
node_t *pos;
node_t *n;
// 找到插入点 pos
for (i = 0, pos = thiz->head;
i < thiz->count;
i++, pos = pos->next)
{
if (cmp(data, pos->data) <= 0)
break;
}
if (NULL == (n = __init_node(data, thiz->size)))
goto err0;
// 前插在 pos
if (NULL == thiz->head)
{
n->next = n;
n->prev = n;
thiz->head = n;
}
else
{
n->next = pos;
n->prev = pos->prev;
n->next->prev = n;
n->prev->next = n;
}
if (i == 0)
thiz->head = n;
thiz->count++;
return 0;
err0:
return -1;
}
int dlist_insert_indx(dlist_t *thiz, void *data, int indx)
{
if (indx < 0 || indx > thiz->count)
return -2;
int i;
node_t *pos;
node_t *n;
i = 0, pos = thiz->head;
while (i < indx)
i++, pos = pos->next;
if (NULL == (n = __init_node(data, thiz->size)))
goto err0;
// 没有节点
if (NULL == pos)
{
n->prev = n;
n->next = n;
thiz->head = n;
}
else
{
n->next = pos;
n->prev = pos->prev;
n->prev->next = n;
n->next->prev = n;
}
// 插入到首节点之前
if (0 == indx)
thiz->head = n;
thiz->count++;
return 0;
err0:
return -1;
}