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fix the balancing to avoid segmentation faults

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This commit is contained in:
krangelov
2021-08-05 16:28:50 +02:00
parent 84789c9fbf
commit 54421492b2
1 changed files with 43 additions and 23 deletions
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66
src/runtime/c/namespace.h
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@@ -111,30 +111,42 @@ public:
if (right->right == 0) {
return new_node(value,0,right);
} else {
Namespace<V> new_left =
new_node(value);
return new_node(right->value,
new_node(value),
new_left,
right->right);
}
} else {
if (right->right == 0) {
Namespace<V> new_left =
new_node(value);
Namespace<V> new_right =
new_node(right->value);
return new_node(right->left->value,
new_node(value),
new_node(right->value));
new_left,
new_right);
} else {
if (right->left->sz < 2 * right->right->sz) {
Namespace<V> new_left =
new_node(value,
0,
right->left);
return new_node(right->value,
new_node(value,
0,
right->left),
new_left,
right->right);
} else {
Namespace<V> new_left =
new_node(value,
0,
right->left->left);
Namespace<V> new_right =
new_node(right->value,
right->left->right,
right->right);
return new_node(right->left->value,
new_node(value,
0,
right->left->left),
new_node(right->value,
right->left->right,
right->right));
new_left,
new_right);
}
}
}
@@ -144,20 +156,28 @@ public:
return new_node(value,left,0);
} else {
if (right->sz > 3*left->sz) {
if (right->left->sz < 2*right->right->sz)
if (right->left->sz < 2*right->right->sz) {
Namespace<V> new_left =
new_node(value,
left,
right->left);
return new_node(right->value,
new_node(value,
left,
right->left),
new_left,
right->right);
else
} else {
Namespace<V> new_left =
new_node(value,
left,
right->left->left);
Namespace<V> new_right =
new_node(right->value,
right->left->right,
right->right);
return new_node(right->left->value,
new_node(value,
left,
right->left->left),
new_node(right->value,
right->left->right,
right->right));
new_left,
new_right
);
}
} else {
return new_node(value,left,right);
}