static BSNode* initNode(int m, int key, void* value)
{
BSNode* node = _initNode(m);
node->keyNum = 1;
node->keys[1] = key;
node->values[1] = value;
return node;
}
static void splitNode(BSTree* tree, BSNode* node)
{
int m = (int)ceil((float)node->keyNum / 2);
int mKey = node->keys[m];
void* mValue = node->values[m];
BSNode* nNode = _initNode(tree->mOrder);
int j = 0, i = 0;
for(i = m + 1; i <= node->keyNum; ++i) {
++j;
nNode->keys[j] = node->keys[i];
nNode->values[j] = node->values[i];
nNode->children[j] = node->children[i];
if (node->children[i])
node->children[i]->parent = nNode;
node->keys[i] = INT_MIN;
node->values[i] = NULL;
node->children[i] = NULL;
}
nNode->children[0] = node->children[m];
if (nNode->children[0])
nNode->children[0]->parent = nNode;
nNode->keyNum = j;
node->keys[m] = INT_MIN;
node->children[m] = NULL;
node->values[m] = NULL;
node->keyNum = m - 1;
BSNode* p = node->parent;
if (p) {
insertKey(p, mKey, mValue, nNode);
nNode->parent = p;
if (p->keyNum > tree->mOrder -1)
splitNode(tree, p);
}
else {
BSNode* nNode2 = initNode(tree->mOrder, mKey, mValue);
nNode2->children[0] = node;
nNode2->children[1] = nNode;
node->parent = nNode2;
nNode->parent = nNode2;
tree->root = nNode2;
}
}
Queue::Queue() {
_initNode();
}