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Enable Treap balancing in tree.c

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Doesn't seem to have a difference
This commit is contained in:
Edgaru089 2024-04-02 14:55:33 +08:00
parent f70bf85ec2
commit 3e5456b718
1 changed files with 2 additions and 13 deletions
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15
util/tree.c
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@ -47,11 +47,7 @@ tree_Node *__tree_InsertNodes(tree_Tree *t, tree_Node *node, tree_Node *father,
if (!node) {
if (added)
*added = true;
#ifdef HELOS_UTIL_TREE_TYPE_TREAP
return *result = __tree_NewNode(t, key, father, random_Rand() ^ key);
#else
return *result = __tree_NewNode(t, key, father, 0);
#endif
return *result = __tree_NewNode(t, key, father, rand() ^ key);
} else if (key < node->key) {
node->left = __tree_InsertNodes(t, node->left, node, key, result, added);
return node;
@ -70,10 +66,8 @@ tree_Node *tree_InsertNode(tree_Tree *t, uintptr_t key, bool *added) {
tree_Node *result;
t->root = __tree_InsertNodes(t, t->root, 0, key, &result, added);
#ifdef HELOS_UTIL_TREE_TYPE_TREAP
if (*added)
if (added == NULL || *added)
__tree_treap_Adjust(result, &t->root);
#endif
return result;
}
@ -108,16 +102,11 @@ void *tree_Find(tree_Tree *t, uintptr_t key) {
void tree_Delete(tree_Tree *t, tree_Node *node) {
#ifdef HELOS_UTIL_TREE_TYPE_TREAP
while (node->left && node->right)
if (node->left->internal < node->right->internal)
__tree_Rotate(node->left, &t->root);
else
__tree_Rotate(node->right, &t->root);
#else
while (node->left)
__tree_Rotate(node->left, &t->root);
#endif
if (node == t->root)
t->root = (node->left ? node->left : node->right);